MMP / Magellan Midstream Partners L.P. - SEC-arkiveringar, Årsredovisning, Fullmaktsutlåtande

Magellan Midstream Partners L.P.
US ˙ NYSE ˙ US5590801065
DENNA SYMBOL ÄR INTE LÄNGRE AKTIV

Grundläggande statistik
LEI MZF5TI8NFVZZNUSKDL39
CIK 1126975
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Magellan Midstream Partners L.P.
SEC Filings (Chronological Order)
Denna sida innehåller en komplett, kronologisk lista över SEC-arkiveringar, exklusive ägande-arkiveringar som vi tillhandahåller på andra ställen.
August 6, 2025 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 ONEOK INC /NEW/ Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Debt Debt Securities 457(r) 0.

August 6, 2025 POSASR

As filed with the Securities and Exchange Commission on August 6, 2025

POSASR As filed with the Securities and Exchange Commission on August 6, 2025 Registration No.

September 10, 2024 EX-FILING FEES

Table 1: Newly Registered and Carry Forward Securities

Calculation of Filing Fee Tables S-3 ONEOK INC /NEW/ Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Debt Debt Securities 457(r) 0.

September 10, 2024 POSASR

As filed with the Securities and Exchange Commission on September 10, 2024

As filed with the Securities and Exchange Commission on September 10, 2024 Registration No.

September 10, 2024 EX-5.3

609 Main Street Houston, TX 77002 United States +1 713 836 3600

Exhibit 5.3 609 Main Street Houston, TX 77002 United States +1 713 836 3600 www.kirkland.com Facsimile: +1 713 836 3601 September 10, 2024 ONEOK, Inc. 100 West Fifth Street Tulsa, Oklahoma 74103 Re: ONEOK, Inc. Post-Effective Amendment No. 1 to Registration Statement on Form S-3ASR We are issuing this opinion in our capacity as special legal counsel to ONEOK, Inc., an Oklahoma corporation (the “Co

October 11, 2023 S-8 POS

As filed with the Securities and Exchange Commission on October 11, 2023.

As filed with the Securities and Exchange Commission on October 11, 2023. Registration No. 333-71670 Registration No. 333-147206 Registration No. 333-176062 Registration No. 333-255623 Registration No. 333-212836 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 2 TO FORM S-8 REGISTRATION STATEMENT NO. 333-71670 POST-EFFECTIVE AMENDMENT NO. 1 TO F

October 11, 2023 S-8 POS

As filed with the Securities and Exchange Commission on October 11, 2023.

As filed with the Securities and Exchange Commission on October 11, 2023. Registration No. 333-71670 Registration No. 333-147206 Registration No. 333-176062 Registration No. 333-255623 Registration No. 333-212836 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 2 TO FORM S-8 REGISTRATION STATEMENT NO. 333-71670 POST-EFFECTIVE AMENDMENT NO. 1 TO F

October 11, 2023 POSASR

As filed with the Securities and Exchange Commission on October 11, 2023.

As filed with the Securities and Exchange Commission on October 11, 2023. Registration No. 333-253266 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT NO. 333-253266 UNDER THE SECURITIES ACT OF 1933 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact name of registrant as specified in its charter) Delaware 73-1599053 (St

October 11, 2023 S-8 POS

As filed with the Securities and Exchange Commission on October 11, 2023.

As filed with the Securities and Exchange Commission on October 11, 2023. Registration No. 333-71670 Registration No. 333-147206 Registration No. 333-176062 Registration No. 333-255623 Registration No. 333-212836 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 2 TO FORM S-8 REGISTRATION STATEMENT NO. 333-71670 POST-EFFECTIVE AMENDMENT NO. 1 TO F

October 11, 2023 S-8 POS

As filed with the Securities and Exchange Commission on October 11, 2023.

As filed with the Securities and Exchange Commission on October 11, 2023. Registration No. 333-71670 Registration No. 333-147206 Registration No. 333-176062 Registration No. 333-255623 Registration No. 333-212836 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 2 TO FORM S-8 REGISTRATION STATEMENT NO. 333-71670 POST-EFFECTIVE AMENDMENT NO. 1 TO F

October 11, 2023 S-8 POS

As filed with the Securities and Exchange Commission on October 11, 2023.

As filed with the Securities and Exchange Commission on October 11, 2023. Registration No. 333-71670 Registration No. 333-147206 Registration No. 333-176062 Registration No. 333-255623 Registration No. 333-212836 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 2 TO FORM S-8 REGISTRATION STATEMENT NO. 333-71670 POST-EFFECTIVE AMENDMENT NO. 1 TO F

October 11, 2023 15-12G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 001-16335 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact name of registrant as sp

September 25, 2023 EX-99.25

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on October 06, 2023, pursuant to the provisions of Rule 12d2-2 (a).

September 25, 2023 8-K

Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Termination of a Material Definitive Agreement, Material Modification to Rights of Security Holders, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 25, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Com

September 22, 2023 8-K

Other Events, Submission of Matters to a Vote of Security Holders, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 21, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Com

September 22, 2023 EX-99.1

ONEOK Shareholders and Magellan Unitholders Approve Merger Transaction to Close on September 25, 2023

Exhibit 99.1 September 21, 2023 News ONEOK Shareholders and Magellan Unitholders Approve Merger Transaction to Close on September 25, 2023 TULSA, Okla., Sept. 21, 2023 /PRNewswire/ - ONEOK, Inc. (NYSE: OKE) (“ONEOK”) and Magellan Midstream Partners, L.P. (NYSE: MMP) (“Magellan”) today announced that, at their respective Special Meetings, ONEOK shareholders and Magellan unitholders approved the pre

September 22, 2023 425

Filed by ONEOK, Inc. pursuant to

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: September 22, 2023 The following is a transcript from the ONEOK Special Meeting of Shareholders held on Thursday, September 21, 2023 that is available on O

September 18, 2023 PX14A6G

U.S. Securities and Exchange Commission Washington, DC 20549 Notice of Exempt Solicitation Submitted Pursuant to Rule 14a-6(g)

U.S. Securities and Exchange Commission Washington, DC 20549 Notice of Exempt Solicitation Submitted Pursuant to Rule 14a-6(g) 1. Name of the Registrant: Magellan Midstream Partners, L.P. 2. Name of person relying on exemption: Energy Income Partners, LLC. 3. Address of person relying on exemption: 10 Wright Street, Westport, Connecticut 06880. 4. Written materials are submitted pursuant to Rule 1

September 14, 2023 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 14, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Com

September 14, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 14, 2023 MAGELLAN MIDST

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 14, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Com

September 13, 2023 PX14A6G

U.S. Securities and Exchange Commission Washington, DC 20549 Notice of Exempt Solicitation Submitted Pursuant to Rule 14a-6(g)

U.S. Securities and Exchange Commission Washington, DC 20549 Notice of Exempt Solicitation Submitted Pursuant to Rule 14a-6(g) 1. Name of the Registrant: Magellan Midstream Partners, L.P. 2. Name of person relying on exemption: Energy Income Partners, LLC. 3. Address of person relying on exemption: 10 Wright Street, Westport, Connecticut 06880. 4. Written materials are submitted pursuant to Rule 1

September 13, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

September 11, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 11, 2023 MAGELLAN MIDST

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 11, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Com

September 11, 2023 EX-99.1

Magellan Midstream Declares Special Cash Distribution

Exhibit 99.1 NYSE: MMP Date: Sept. 11, 2023 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream Declares Special Cash Distribution TULSA, Okla. – The board of directors of Magellan Midstream Partners, L.P. (NYSE: MMP) has declared a special cash distribution expected to equal 24.74 cents per unit payable on Sept. 25 to unitholders of record at the close of busines

September 11, 2023 8-K

Other Events, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 11, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Com

September 11, 2023 EX-99.1

Magellan Midstream Declares Special Cash Distribution

Exhibit 99.1 NYSE: MMP Date: Sept. 11, 2023 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream Declares Special Cash Distribution TULSA, Okla. – The board of directors of Magellan Midstream Partners, L.P. (NYSE: MMP) has declared a special cash distribution expected to equal 24.74 cents per unit payable on Sept. 25 to unitholders of record at the close of busines

September 8, 2023 8-K

Other Events, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 7, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Comm

September 8, 2023 425

Filed by ONEOK, Inc. pursuant to

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: September 8, 2023 The following is an excerpt of a frequently asked question made available to employees of ONEOK, Inc. on its intranet site on September 7

September 8, 2023 EX-99.1

Leading Independent Proxy Advisory Firm Glass Lewis Recommends Magellan Midstream Unitholders Vote “FOR” the Transaction with ONEOK Magellan urges unitholders to vote “FOR” the pending merger today

Exhibit 99.1 NYSE: MMP Date: Sept. 7, 2023 Contact: Investors: Media: Paula Farrell Bruce Heine (918) 574-7650 (918) 574-7010 [email protected] [email protected] Leading Independent Proxy Advisory Firm Glass Lewis Recommends Magellan Midstream Unitholders Vote “FOR” the Transaction with ONEOK Magellan urges unitholders to vote “FOR” the pending merger today TULSA, Okla. – Magel

September 8, 2023 EX-99.1

Leading Independent Proxy Advisory Firm Glass Lewis Recommends Magellan Midstream Unitholders Vote “FOR” the Transaction with ONEOK Magellan urges unitholders to vote “FOR” the pending merger today

Exhibit 99.1 NYSE: MMP Date: Sept. 7, 2023 Contact: Investors: Media: Paula Farrell Bruce Heine (918) 574-7650 (918) 574-7010 [email protected] [email protected] Leading Independent Proxy Advisory Firm Glass Lewis Recommends Magellan Midstream Unitholders Vote “FOR” the Transaction with ONEOK Magellan urges unitholders to vote “FOR” the pending merger today TULSA, Okla. – Magel

September 8, 2023 EX-99.2

Leading Independent Proxy Advisory Firm ISS Recommends Magellan Midstream Unitholders Vote “FOR” the Transaction with ONEOK Follows recommendation from Glass Lewis that unitholders vote “FOR” the transaction

Exhibit 99.2 NYSE: MMP Date: Sept. 7, 2023 Contact: Investors: Media: Paula Farrell Bruce Heine (918) 574-7650 (918) 574-7010 [email protected] [email protected] Leading Independent Proxy Advisory Firm ISS Recommends Magellan Midstream Unitholders Vote “FOR” the Transaction with ONEOK Follows recommendation from Glass Lewis that unitholders vote “FOR” the transaction TULSA, Okl

September 8, 2023 EX-99.2

Leading Independent Proxy Advisory Firm ISS Recommends Magellan Midstream Unitholders Vote “FOR” the Transaction with ONEOK Follows recommendation from Glass Lewis that unitholders vote “FOR” the transaction

Exhibit 99.2 NYSE: MMP Date: Sept. 7, 2023 Contact: Investors: Media: Paula Farrell Bruce Heine (918) 574-7650 (918) 574-7010 [email protected] [email protected] Leading Independent Proxy Advisory Firm ISS Recommends Magellan Midstream Unitholders Vote “FOR” the Transaction with ONEOK Follows recommendation from Glass Lewis that unitholders vote “FOR” the transaction TULSA, Okl

September 8, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

September 8, 2023 425

2

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: September 8, 2023 Subject: A Message from Pierce Norton and Aaron Milford to All ONEOK and Magellan Employees To All ONEOK and Magellan Employees: We’re pl

September 8, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 7, 2023 MAGELLAN MIDSTR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 7, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Comm

September 7, 2023 PX14A6G

U.S. Securities and Exchange Commission Washington, DC 20549 Notice of Exempt Solicitation Submitted Pursuant to Rule 14a-6(g)

U.S. Securities and Exchange Commission Washington, DC 20549 Notice of Exempt Solicitation Submitted Pursuant to Rule 14a-6(g) 1. Name of the Registrant: Magellan Midstream Partners, L.P. 2. Name of person relying on exemption: Energy Income Partners, LLC. 3. Address of person relying on exemption: 10 Wright Street, Westport, Connecticut 06880. 4. Written materials are submitted pursuant to Rule 1

September 7, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

September 7, 2023 425

Leading Independent Proxy Advisory Firms ISS and Glass Lewis Recommend ONEOK Shareholders Vote “FOR” Pending Acquisition of Magellan Midstream Partners

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: September 7, 2023 September 7, 2023 Analyst Contact: Megan Patterson 918-561-5325 Media Contact: Brad Borror 918-588-7582 Leading Independent Proxy Advisor

September 7, 2023 425

1

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: September 7, 2023 The following is a transcript from the Barclays CEO Energy-Power Conference on Wednesday, September 6, 2023 that is available on ONEOK’s

September 5, 2023 425

2

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: September 5, 2023 The following are relevant excerpts of frequently asked questions made available to employees of ONEOK, Inc. on its intranet site on Sept

September 5, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

September 5, 2023 425

2

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: September 1, 2023 FINAL: INTEGRATION NEWSLETTER CONTENT VOLUME 1 Name: Integration Insights Watch: Introducing “The Power of AND” Listen as Pierce Norton a

September 5, 2023 425

2

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: September 1, 2023 On September 1, 2023, Magellan Midstream Partners, L.P. (NYSE: MMP) (“Magellan”) and ONEOK, Inc. (NYSE: OKE) (“ONEOK”) shared a joint vid

September 1, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

September 1, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 31, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 31, 2023 PX14A6G

U.S. Securities and Exchange Commission Washington, DC 20549 Notice of Exempt Solicitation Submitted Pursuant to Rule 14a-6(g)

U.S. Securities and Exchange Commission Washington, DC 20549 Notice of Exempt Solicitation Submitted Pursuant to Rule 14a-6(g) 1. Name of the Registrant: Magellan Midstream Partners, L.P. 2. Name of person relying on exemption: Energy Income Partners, LLC. 3. Address of person relying on exemption: 10 Wright Street, Westport, Connecticut 06880. 4. Written materials are submitted pursuant to Rule 1

August 29, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 29, 2023 EX-99.1

Magellan Midstream Files Investor Presentation Highlighting Benefits of Pending ONEOK Transaction Transaction delivers full value to Magellan unitholders and provides unitholders with ownership in a stronger combined company Combined company better p

Exhibit 99.1 NYSE: MMP Date: Aug. 29, 2023 Contact: Investors: Media: Paula Farrell Bruce Heine (918) 574-7650 (918) 574-7010 [email protected] [email protected] Magellan Midstream Files Investor Presentation Highlighting Benefits of Pending ONEOK Transaction Transaction delivers full value to Magellan unitholders and provides unitholders with ownership in a stronger combined c

August 29, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 29, 2023 MAGELLAN MIDSTREA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 29, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commis

August 29, 2023 EX-99.1

Magellan Midstream Files Investor Presentation Highlighting Benefits of Pending ONEOK Transaction Transaction delivers full value to Magellan unitholders and provides unitholders with ownership in a stronger combined company Combined company better p

Exhibit 99.1 NYSE: MMP Date: Aug. 29, 2023 Contact: Investors: Media: Paula Farrell Bruce Heine (918) 574-7650 (918) 574-7010 [email protected] [email protected] Magellan Midstream Files Investor Presentation Highlighting Benefits of Pending ONEOK Transaction Transaction delivers full value to Magellan unitholders and provides unitholders with ownership in a stronger combined c

August 29, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 29, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 29, 2023 425

Filed by ONEOK, Inc. pursuant to

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: August 28, 2023 ONEOK SHAREHOLDERS: PLEASE VOTE TODAY! VOTE “FOR” ONEOK’s Acquisition of Magellan Midstream Partners TODAY on the Enclosed Proxy Card We’re

August 29, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 29, 2023 MAGELLAN MIDSTREA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 29, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commis

August 24, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 21, 2023 425

INVESTOR PRESENTATION August 2023 PAGE 3 CAUTIONARY STATEMENT (CONTINUED) No Offer or Solicitation This presentation is not intended to and shall not constitute an offer to sell or the solicitation of an offer to sell or the solicitation of an offer

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: August 21, 2023 INVESTOR PRESENTATION August 2023 PAGE 2 CAUTIONARY STATEMENT Forward - Looking Statements This presentation contains “forward - looking st

August 18, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 16, 2023 EX-99.1

Magellan Midstream Urges Unitholders to Vote “FOR” ONEOK Merger in Advance of Sept. 21 Special Meeting Mailing and Video with President and CEO Aaron Milford Available on MaximizingValueforMMPunitholders.com

Exhibit 99.1 NYSE: MMP Date: Aug. 16, 2023 Contact: Investors: Media: Paula Farrell Bruce Heine (918) 574-7650 (918) 574-7010 [email protected] [email protected] Magellan Midstream Urges Unitholders to Vote “FOR” ONEOK Merger in Advance of Sept. 21 Special Meeting Mailing and Video with President and CEO Aaron Milford Available on MaximizingValueforMMPunitholders.com TULSA, Okl

August 16, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 16, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 16, 2023 EX-99.1

Magellan Midstream Urges Unitholders to Vote “FOR” ONEOK Merger in Advance of Sept. 21 Special Meeting Mailing and Video with President and CEO Aaron Milford Available on MaximizingValueforMMPunitholders.com

Exhibit 99.1 NYSE: MMP Date: Aug. 16, 2023 Contact: Investors: Media: Paula Farrell Bruce Heine (918) 574-7650 (918) 574-7010 [email protected] [email protected] Magellan Midstream Urges Unitholders to Vote “FOR” ONEOK Merger in Advance of Sept. 21 Special Meeting Mailing and Video with President and CEO Aaron Milford Available on MaximizingValueforMMPunitholders.com TULSA, Okl

August 16, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 16, 2023 MAGELLAN MIDSTREA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 16, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commis

August 16, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 16, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commis

August 15, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 15, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 15, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 14, 2023 425

Filed by ONEOK, Inc. pursuant to

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: August 14, 2023

August 9, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 9, 2023 425

ONEOK Second Quarter 2023 Earnings Tuesday, August 8, 2023

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: August 9, 2023 ONEOK Second Quarter 2023 Earnings Tuesday, August 8, 2023 IMPORTANT ADDITIONAL INFORMATION AND WHERE TO FIND IT: In connection with the pro

August 9, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 9, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 9, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 7, 2023 425

ONEOK Announces 13% Increase in Second Quarter 2023 Net Income and 10% Increase in Adjusted EBITDA Increasing 2023 Financial Guidance

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: August 7, 2023 August 7, 2023 Analyst Contact: Megan Patterson 918-561-5325 Media Contact: Brad Borror 918-588-7582 ONEOK Announces 13% Increase in Second

August 7, 2023 425

SECOND QUARTER 2023 RESULTS August 2023 PAGE 3 CAUTIONARY STATEMENT (CONTINUED) No Offer or Solicitation This presentation is not intended to and shall not constitute an offer to sell or the solicitation of an offer to sell or the solicitation of an

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: August 7, 2023 SECOND QUARTER 2023 RESULTS August 2023 PAGE 2 CAUTIONARY STATEMENT Forward - Looking Statements This presentation contains “forward - looki

August 4, 2023 PX14A6G

U.S. Securities and Exchange Commission Washington, DC 20549 Notice of Exempt Solicitation

U.S. Securities and Exchange Commission Washington, DC 20549 Notice of Exempt Solicitation Submitted Pursuant to Rule 14a-6(g) 1. Name of the Registrant: Magellan Midstream Partners, L.P. 2. Name of person relying on exemption: Energy Income Partners, LLC. 3. Address of person relying on exemption: 10 Wright Street, Westport, Connecticut 06880. 4. Written materials are submitted pursuant to Rule 1

August 4, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 3, 2023 EX-99.1

Magellan Midstream Reports Second-Quarter Earnings

Exhibit 99.1 NYSE: MMP Date: August 3, 2023 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream Reports Second-Quarter Earnings TULSA, Okla. – Magellan Midstream Partners, L.P. (NYSE: MMP) (“Magellan”) today reported net income of $239 million for second quarter 2023, compared to $354 million for second quarter 2022. The prior period included a $162 million gain o

August 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No.: 1-16335 Magellan Midstream Partner

August 3, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 3, 2023 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commiss

July 31, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

July 26, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 25, 2023 MAGELLAN MIDSTREAM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 25, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commissi

July 26, 2023 EX-99.1

Magellan Midstream Announces Filing of Definitive Proxy Statement in Connection with Pending ONEOK Transaction Launches New Website, MaximizingValueforMMPunitholders.com, Outlining Benefits of the Transaction and Tax Considerations for Magellan Unith

Exhibit 99.1 NYSE: MMP Date: July 25, 2023 Contact: Investors: Media: Paula Farrell Bruce Heine (918) 574-7650 (918) 574-7010 [email protected] [email protected] Magellan Midstream Announces Filing of Definitive Proxy Statement in Connection with Pending ONEOK Transaction Launches New Website, MaximizingValueforMMPunitholders.com, Outlining Benefits of the Transaction and Tax C

July 26, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

July 26, 2023 EX-99.1

Press Release dated July 25, 2023.

Exhibit 99.1 NYSE: MMP Date: July 25, 2023 Contact: Investors: Media: Paula Farrell Bruce Heine (918) 574-7650 (918) 574-7010 [email protected] [email protected] Magellan Midstream Announces Filing of Definitive Proxy Statement in Connection with Pending ONEOK Transaction Launches New Website, MaximizingValueforMMPunitholders.com, Outlining Benefits of the Transaction and Tax C

July 26, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 25, 2023 MAGELLAN MIDSTREAM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 25, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commissi

July 26, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

July 26, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

July 25, 2023 425

2

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: July 25, 2023 Subject: Message From Pierce Norton and Aaron Milford: Filing of Our Joint Definitive Proxy Statement To All ONEOK and Magellan Employees: To

July 25, 2023 DEFM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

July 25, 2023 EX-99.1

Magellan Midstream Comments on Report by Renowned Tax Expert, Robert Willens Report Underscores Benefits of Tax Structure and Value Transaction Delivers to Magellan Unitholders Magellan Urges Unitholders to Vote “FOR” the Pending Merger

Exhibit 99.1 NYSE: MMP Date: July 25, 2023 Contact: Investors: Media: Paula Farrell Bruce Heine (918) 574-7650 (918) 574-7010 [email protected] [email protected] Magellan Midstream Comments on Report by Renowned Tax Expert, Robert Willens Report Underscores Benefits of Tax Structure and Value Transaction Delivers to Magellan Unitholders Magellan Urges Unitholders to Vote “FOR”

July 25, 2023 425

I N T E G R A T I O N OVERVIEW OUR C O MM I T M E N T S pr o x y under HSR Act (i n c l u de s i m po í tant infoímation foí shaíeholdeís / unitholdeís to vote) transaction (ongoing) meetings to vote on the transaction (to be held on Se p t em be í 2

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: July 25, 2023 I N T E G R A T I O N OVERVIEW OUR C O MM I T M E N T S pr o x y under HSR Act (i n c l u de s i m po í tant infoímation foí shaíeholdeís / u

July 25, 2023 425

ONEOK Announces Filing of Definitive Proxy Statement in Connection with its Pending Acquisition of Magellan Midstream Partners Special Meeting of Shareholders Set for Sept. 21, 2023 ONEOK’s Board of Directors Recommends Shareholders Vote “FOR” All Pr

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: July 25, 2023 News July 25, 2023 Analyst Contact Andrew Ziola 918-588-7683 Shareholder Contact: Innisfree M&A 877-750-9499 Media Contact: Brad Borror 918-5

July 25, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 25, 2023 MAGELLAN MIDSTREAM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 25, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commissi

July 25, 2023 425

Post-Announcement Frequently Asked Questions for Employees ONEOK and Magellan Integration

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: July 25, 2023 Post-Announcement Frequently Asked Questions for Employees ONEOK and Magellan Integration Updated July 25, 2023 Contents Transaction Overview

July 25, 2023 425

White Paper Regarding the Federal Income Tax Consequences of ONEOK’s Acquisition of MMP July 10, 2023 By Robert Willens | C.P.A. | President, Robert Willens LLC1

Filed by Magellan Midstream Partners, L.P. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No.: 001-16335 White Paper Regarding the Federal Income Tax Consequences of ONEOK’s Acquisition of MMP July 10, 2023 By Robert Willens | C.P.A. | Preside

July 25, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 25, 2023 MAGELLAN MIDSTREAM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 25, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commissi

July 25, 2023 EX-99.1

Magellan Midstream Comments on Report by Renowned Tax Expert, Robert Willens Report Underscores Benefits of Tax Structure and Value Transaction Delivers to Magellan Unitholders Magellan Urges Unitholders to Vote “FOR” the Pending Merger

Exhibit 99.1 NYSE: MMP Date: July 25, 2023 Contact: Investors: Media: Paula Farrell Bruce Heine (918) 574-7650 (918) 574-7010 [email protected] [email protected] Magellan Midstream Comments on Report by Renowned Tax Expert, Robert Willens Report Underscores Benefits of Tax Structure and Value Transaction Delivers to Magellan Unitholders Magellan Urges Unitholders to Vote “FOR”

July 25, 2023 425

Filed by ONEOK, Inc. pursuant to

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: July 25, 2023 YOUR VOTE IS IMPORTANT. ONEOK will hold a Special Meeting of Shareholders in connection with the transaction on SEPTEMBER 21, 2023. The ONEOK

July 18, 2023 PX14A6G

U.S. Securities and Exchange Commission Washington, DC 20549 Notice of Exempt Solicitation Submitted Pursuant to Rule 14a-6(g)

U.S. Securities and Exchange Commission Washington, DC 20549 Notice of Exempt Solicitation Submitted Pursuant to Rule 14a-6(g) 1. Name of the Registrant: Magellan Midstream Partners, L.P. 2. Name of person relying on exemption: Energy Income Partners, LLC. 3. Address of person relying on exemption: 10 Wright Street, Westport, Connecticut 06880. 4. Written materials are submitted pursuant to Rule 1

July 11, 2023 EX-99.1

Magellan Midstream Sets Record and Meeting Dates for Pending ONEOK Merger Vote Magellan Board Unanimously Recommends Unitholders Vote “FOR” the Pending Merger

EX-99.1 Exhibit 99.1 NYSE: MMP Date: July 11, 2023 Contact: Investors: Media: Paula Farrell Bruce Heine (918) 574-7650 (918) 574-7010 [email protected] [email protected] Magellan Midstream Sets Record and Meeting Dates for Pending ONEOK Merger Vote Magellan Board Unanimously Recommends Unitholders Vote “FOR” the Pending Merger TULSA, Okla. – Magellan Midstream Partners, L.P. (N

July 11, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 11, 2023 MAGELLAN MIDSTREAM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 11, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commissi

July 11, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 11, 2023 MAGELLAN MIDSTREAM

425 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 11, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Comm

June 28, 2023 425

2

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: June 27, 2023 INVESTOR RELATIONS ONEOK AND MAGELLAN ANNOUNCE EXPIRATION OF HART-SCOTT-RODINO ACT WAITING PERIOD June 27, 2023 TULSA, Okla., June 27, 2023 /

June 28, 2023 425

ONEOK and Magellan Announce Expiration of Hart-Scott-Rodino Act Waiting Period

Filed by Magellan Midstream Partners, L.P. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No.: 001-16335 June 27, 2023 News ONEOK and Magellan Announce Expiration of Hart-Scott-Rodino Act Waiting Period TULSA, Okla. – June 27, 2023 – ONEOK, In

June 28, 2023 425

Filed by Magellan Midstream Partners, L.P.

425 Filed by Magellan Midstream Partners, L.P. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No.: 001-16335 Cautionary Statement Regarding Forward-Looking Statements This communication includes “forward-looking statements” within the meaning

June 28, 2023 425

Filed by Magellan Midstream Partners, L.P.

425 Filed by Magellan Midstream Partners, L.P. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No.: 001-16335 Subject: Message From Pierce Norton and Aaron Milford: Important Transaction and Integration Updates To: All Employees From: Aaron Mil

June 27, 2023 425

2

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: June 27, 2023 Subject: Message From Pierce Norton and Aaron Milford: Important Transaction and Integration Updates To All ONEOK and Magellan Employees: We

June 27, 2023 425

Post-Announcement Frequently Asked Questions for Employees ONEOK and Magellan Integration

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: June 27, 2023 Post-Announcement Frequently Asked Questions for Employees ONEOK and Magellan Integration Contents Transaction Overview 2 Integration Process

June 27, 2023 425

2

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: June 27, 2023 Cautionary Statement Regarding Forward-Looking Statements This communication includes “forward-looking” statements within the meaning of Sect

June 22, 2023 425

Magellan Midstream Partners, L.P. Magellan Midstream Partners, L.P. presentation delivered at the 2023 Energy, Power & Renewables Conference on Wednesday, June 21, 2023 at 04:30 PM

425 Filed by Magellan Midstream Partners, L.P. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No.: 001-16335 On June 21, 2023, Aaron L. Milford, President and Chief Executive Officer of Magellan Midstream Partners, L.P. (“Magellan”), participa

June 21, 2023 425

* * * * * * *

425 Filed by Magellan Midstream Partners, L.P. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No.: 001-16335 On June 20, 2023, Aaron L. Milford, President and Chief Executive Officer of Magellan Midstream Partners, L.P. (“Magellan”), participa

June 20, 2023 EX-99.1

Cautionary statements CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS: This presentation includes “forward-looking” statements within the meaning of Section 27A of the Securities Act of 1933, as amended and Section 21E of the Securities and

EX-99.1 ONEOK Merger Considerations June 2023 NYSE: MMP | magellanlp.com Exhibit 99.1 Cautionary statements CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS: This presentation includes “forward-looking” statements within the meaning of Section 27A of the Securities Act of 1933, as amended and Section 21E of the Securities and Exchange Act of 1934, as amended. All statements, other than st

June 20, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 20, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commissi

June 20, 2023 EX-99.2

1

EX-99.2 Exhibit 99.2 Magellan-ONEOK Merger FAQ for Magellan Unitholders June 2023 This FAQ provides additional information regarding Magellan’s rationale for believing that the ONEOK merger maximizes value for and is in the best interests of unitholders. The Magellan Board took into account these considerations in reaching its decision to unanimously approve and recommend the merger. Magellan also

June 20, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 20, 2023 MAGELLAN MIDSTREAM

425 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 20, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Comm

June 14, 2023 425

Filed by Magellan Midstream Partners, L.P.

425 Filed by Magellan Midstream Partners, L.P. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Filer’s SEC File No.: 001-16335 This filing relates to the proposed transaction between Magellan Midstream Partners, L.P., a Delaware limited partnership (“Magellan”

June 14, 2023 425

2

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: June 13, 2023 [The following was first distributed on June 13, 2023.] Subject: Message From Pierce Norton and Aaron Milford: Forming an Integration Managem

June 2, 2023 425

Bernstein Strategic Decisions Conference – Fireside Chat Wednesday, May 31, 2023

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: May 31, 2023 [The following is a transcript of the Bernstein Strategic Decisions Conference on May 31, 2023.] Bernstein Strategic Decisions Conference – Fi

June 2, 2023 425

Filed by ONEOK, Inc. pursuant to

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: June 1, 2023 [The following was first distributed on June 1, 2023.] Subject: Message From Pierce Norton: Update on Integration To All Employees: This past

May 26, 2023 425

DO

425 Filed by Magellan Midstream Partners, L.P. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Filer’s SEC File No.: 001-16335 This filing relates to the proposed transaction between Magellan Midstream Partners, L.P., a Delaware limited partnership (“Magellan”

May 25, 2023 425

ONEOK 2023 Annual Meeting of Shareholders Transcript Wednesday, May 24, 2023

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: May 24, 2023 ONEOK 2023 Annual Meeting of Shareholders Transcript Wednesday, May 24, 2023 IMPORTANT ADDITIONAL INFORMATION AND WHERE TO FIND IT: In connect

May 24, 2023 425

Filed by Magellan Midstream Partners, L.P. pursuant to

425 Filed by Magellan Midstream Partners, L.P. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: May 23, 2023 On May 23, 2023, Aaron L. Milford, President and Chief Executive Officer of Magellan Midstream Partners, L.P. (“Mage

May 23, 2023 425

ONEOK Announces Retirement of Stephen B. Allen, Senior Vice President, General Counsel and Assistant Secretary Allen to Pursue Ministry Opportunity

425 Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: May 22, 2023 May 22, 2023 News ONEOK Announces Retirement of Stephen B. Allen, Senior Vice President, General Counsel and Assistant Secretary Allen to

May 23, 2023 CORRESP

1

May 23, 2023 VIA EDGAR TRANSMISSION U.S. Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street N.E. Washington, DC 20549 Division of Corporation Finance: We received your letter of April 25, 2023 wherein you provided a comment to our April 10, 2023 response to your comment letter related to the following filing: Magellan Midstream Partner

May 22, 2023 425

Filed by Magellan Midstream Partners, L.P. pursuant to

425 1 d463025d425.htm 425 Filed by Magellan Midstream Partners, L.P. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 The following presentation was published on Magellan Midstream Partners, L.P.’s website on May 22, 2023 for infor

May 18, 2023 EX-99.1

Magellan Midstream to Participate in the 20th Annual EIC Investor Conference

Exhibit 99.1 NYSE: MMP Date: May 18, 2023 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream to Participate in the 20th Annual EIC Investor Conference TULSA, Okla. – Magellan Midstream Partners, L.P. (NYSE: MMP) announced today that Aaron Milford, chief executive officer, is scheduled to participate in a question and answer session about Magellan at the 20th Annu

May 18, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 18, 2023 Magellan Midstream P

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 18, 2023 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commissio

May 16, 2023 425

ONEOK, Inc. and Magellan Midstream Partners, L.P. Merger Call Edited Transcript Monday, May 15th, 2023

425 Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: May 15, 2023 [The following is the transcript of a conference call conducted by ONEOK, Inc. (“ONEOK”) and Magellan Midstream Partners, L.P. (“Magellan”

May 16, 2023 425

ONEOK, Inc. and Magellan Midstream Partners, L.P. Merger Call Edited Transcript Monday, May 15th, 2023

425 Filed by Magellan Midstream Partners, L.P. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: May 15, 2023 [The following is the transcript of a conference call conducted by Magellan Midstream Partners, L.P. (“Magellan”) an

May 15, 2023 425

2

425 Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: May 14, 2023 [The following was first used May 14, 2023] ONEOK announced an agreement to acquire Magellan Midstream Partners. The combined company will

May 15, 2023 425

Filed by Magellan Midstream Partners, L.P.

425 Filed by Magellan Midstream Partners, L.P. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Filer’s SEC File No.: 001-16335 This filing relates to the proposed transaction between Magellan Midstream Partners, L.P., a Delaware limited partnership (“Magellan”

May 15, 2023 425

Acquisition of Magellan midstream partners May 2023 Filed by Magellan Midstream Partners, L.P. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: M

425 Acquisition of Magellan midstream partners May 2023 Filed by Magellan Midstream Partners, L.

May 15, 2023 425

DO

425 Filed by Magellan Midstream Partners, L.P. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Filer’s SEC File No.: 001-16335 This filing relates to the proposed transaction between Magellan Midstream Partners, L.P., a Delaware limited partnership (“Magellan”

May 15, 2023 425

ONEOK

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: May 14, 2023 [The following fact sheet was first used on May 14, 2023] FACT SHEET The Announcement ONEOK (NYSE: OKE) announced it plans to acquire Magellan

May 15, 2023 EX-99.1

Brings together two premier energy infrastructure businesses with strong returns on invested capital and diverse free cash flow generation Expect to achieve immediate financial benefits, including cost, operational and tax synergies, supporting meani

EX-99.1 Exhibit 99.1 May 14, 2023 News Brings together two premier energy infrastructure businesses with strong returns on invested capital and diverse free cash flow generation Expect to achieve immediate financial benefits, including cost, operational and tax synergies, supporting meaningful expected accretion Compelling long-term value proposition driven by consistent and disciplined capital al

May 15, 2023 425

1

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: May 14, 2023 [The following email was sent to ONEOK employees on May 14, 2023] Subject: ONEOK to Acquire Magellan Midstream Partners, L.P. Moments ago, ONE

May 15, 2023 425

1

425 Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: May 14, 2023 [The following was first distributed on May 14, 2023] Subject: ONEOK to Acquire Magellan Midstream Partners, L.P. ONEOK recently announced

May 15, 2023 EX-2.1

Agreement and Plan of Merger, dated as of May 14, 2023, by and among ONEOK, Inc., Otter Merger Sub, LLC and Magellan Midstream Partners, L.P.

EX-2.1 Exhibit 2.1 Execution Version AGREEMENT AND PLAN OF MERGER by and among ONEOK, INC., OTTER MERGER SUB, LLC and MAGELLAN MIDSTREAM PARTNERS, L.P. Dated as of May 14, 2023 TABLE OF CONTENTS ARTICLE I THE MERGER Section 1.1 The Merger 2 Section 1.2 Closing 2 Section 1.3 Effective Time 2 Section 1.4 Effects of the Merger 2 Section 1.5 Organizational Documents of the Surviving Entity 3 Section 1

May 15, 2023 425

2

Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: May 14, 2023 [The following information was distributed on May 14, 2023] • ONEOK announced an agreement to acquire Magellan Midstream Partners, L.P. (Magel

May 15, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 14, 2023 MAGELLAN MIDSTREAM P

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 14, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commissio

May 15, 2023 425

Acquisition of Magellan midstream partners May 2023 Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Part

425 Acquisition of Magellan midstream partners May 2023 Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: May 14, 2023 The following presentation was published on ONEOK, Inc.’s website on May 14, 2023 for

May 15, 2023 425

Filed by ONEOK, Inc. pursuant to

425 Filed by ONEOK, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Magellan Midstream Partners, L.P. Commission File No. 001-16335 Date: May 14, 2023 COMBINING TWO PREMIER ENERGY INFRASTRUCTURE COMPANIES COMBINED COMPANY BY THE NUMBERS $60B ~50K 5 SCOPE AND SCALE enterprise value mile pi

May 15, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): May 14, 2023 ONEOK, Inc. (Exact n

425 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): May 14, 2023 ONEOK, Inc. (Exact name of registrant as specified in its charter) Oklahoma 001-13643 73-1520922 (State or other jurisdiction of incorporation) (Commission File Numbe

May 15, 2023 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 14, 2023 MAGELLAN MIDSTREAM P

425 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 14, 2023 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commi

May 8, 2023 CORRESP

May 8, 2023

May 8, 2023 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporate Finance Office of Energy & Transportation 100 F Street N.E. Washington, D.C. 20549-7010 Division of Corporation Finance: We received your letter of April 25, 2023 wherein you provided a comment to our April 10, 2023 response to your comment letter related to the following filing: Magellan Midstream Partners, L.P. F

May 4, 2023 EX-99.1

Magellan Midstream Reports Increased First-Quarter 2023 Earnings, Raises 2023 Annual Guidance

Exhibit 99.1 NYSE: MMP Date: May 4, 2023 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream Reports Increased First-Quarter 2023 Earnings, Raises 2023 Annual Guidance TULSA, Okla. – Magellan Midstream Partners, L.P. (NYSE: MMP) today reported net income of $274 million for first quarter 2023, compared to $166 million for first quarter 2022. The increase in curren

May 4, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 4, 2023 Magellan Midstream Pa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 4, 2023 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commission

May 4, 2023 10-Q

Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No.: 1-16335 Magellan Midstream Partne

May 2, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 27, 2023 Magellan Midstream

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 27, 2023 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commiss

April 10, 2023 CORRESP

1

April 10, 2023 VIA EDGAR TRANSMISSION U.S. Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street N.E. Washington, DC 20549 Division of Corporation Finance: We received your letter of March 16, 2023 wherein you provided comments and questions related to: Magellan Midstream Partners, L.P. Form 10-K for the Fiscal Year ended December 31, 202

March 30, 2023 CORRESP

March 30, 2023

March 30, 2023 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporate Finance Office of Energy & Transportation 100 F Street N.E. Washington, D.C. 20549-7010 Division of Corporation Finance: We received your letter of March 16, 2023 wherein you provided your comments and questions related to the following filing: Magellan Midstream Partners, L.P. Form 10-K for the Fiscal Year ende

February 21, 2023 EX-32.B

Section 1350 Certification of Jeff Holman, Chief Financial Officer.

Exhibit 32(b) The following certification shall not be deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that section.

February 21, 2023 EX-10.P

Magellan Midstream Holdings GP, LLC Executive Severance Pay Plan and Summary Plan Description, amended and restated effective January 24, 2023.

Exhibit 10(p) Magellan Midstream Holdings GP, LLC Executive Severance Pay Plan and Summary Plan Description (Amended and Restated Effective January 24, 2023) INTRODUCTION Magellan Midstream Holdings GP, LLC has adopted an Executive Severance Pay Plan (“Plan”) to provide for the payment of severance benefits to eligible executives under the terms described herein.

February 21, 2023 EX-10.D

Magellan GP, LLC Non-Management Director Compensation Program effective January 1, 202

Exhibit 10(d) Magellan GP, LLC Non-Management Director Compensation Program Effective January 1, 2023 Compensation Timing of Payment Annual Board Retainer:(1) Cash Common Units $90,000 $135,000(2) Paid quarterly as of January 1st, April 1st, July 1st and October 1st As of January 1st Annual Chair Retainer:(3) Audit Committee Compensation Committee Nominating and Governance Committee Sustainability Committee Non-Executive Chair $20,000 $20,000 $15,000 $15,000 $100,000 Paid quarterly as of January 1st, April 1st, July 1st and October 1st Meeting Fees: Board Meeting Fees Committee Meeting Fees $1,500 per meeting $1,500 per meeting Paid quarterly as of January 1st, April 1st, July 1st and October 1st 1.

February 21, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy Statement ☒ Definitive Additional Materials ☐ Soliciting Material Under § 240.

February 21, 2023 10-K

Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 1-16335 Magellan Midstream Partners, L.P. (Exact name of re

February 21, 2023 EX-32.A

Section 1350 Certification of

Exhibit 32(a) The following certification shall not be deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that section.

February 21, 2023 EX-10.J

Performance Based Phantom Unit Agreement for awards granted pursuant to the Magellan Midstream Partners Long-Term Incentive Plan.

Exhibit 10(j) PERFORMANCE BASED PHANTOM UNIT AGREEMENT THIS PERFORMANCE BASED PHANTOM UNIT AGREEMENT (this “Agreement”) is by and between Magellan GP, LLC (the “Company”) and ###PARTICIPANTNAME### (the “Participant”).

February 21, 2023 EX-31.B

Certification of Jeff Holman, principal financial officer.

Exhibit 31(b) CERTIFICATION I, Jeff Holman, certify that: 1. I have reviewed this Annual Report on Form 10-K for the fiscal year ending December 31, 2022 (this “report”) of Magellan Midstream Partners, L.P. (the “registrant”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in lig

February 21, 2023 EX-21

Subsidiaries of Magellan Midstream Partners, L.P.

EXHIBIT 21 LIST OF SUBSIDIARIES AS OF DECEMBER 31, 2022 Magellan Midstream Partners, L.

February 21, 2023 EX-10.K

Retention Phantom Unit Agreement for awards granted pursuant to the Magellan Midstream Partners Long-Term Incentive Plan.

Exhibit 10(k) RETENTION PHANTOM UNIT AGREEMENT THIS RETENTION PHANTOM UNIT AGREEMENT (this “Agreement”) is by and between Magellan GP, LLC (the “Company”) and ###PARTICIPANTNAME### (the “Participant”).

February 21, 2023 EX-14.A

Code of Ethics dated May 1, 2022 by Aaron L. Milford, principal executive officer (filed as Exhibit 14(a) to Form 10-K filed February 21, 2023).

Exhibit 14(a) Code of Ethics for Senior Officers* In my role as principal executive officer, Chief Executive Officer and President of Magellan GP, LLC (the “Company”), the general partner of Magellan Midstream Partners, L.

February 21, 2023 EX-31.A

, principal executive officer.

Exhibit 31(a) CERTIFICATION I, Aaron L. Milford, certify that: 1. I have reviewed this Annual Report on Form 10-K for the fiscal year ending December 31, 2022 (this “report”) of Magellan Midstream Partners, L.P. (the “registrant”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, i

February 21, 2023 EX-10.C

Description of Magellan 202

Exhibit 10(c) 2023 Annual Incentive Program Summary Magellan's 2023 Annual Incentive Program (“AIP”) is a discretionary bonus program to encourage individual activities that will improve the overall financial and operational performance of Magellan Midstream Partners, L.

February 21, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material Under § 240.

February 13, 2023 SC 13G/A

MMP / Magellan Midstream Partners, L.P. / ALPS ADVISORS INC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5)* Magellan Midstream Partners, L.P. (Name of Issuer) Common Units (Title of Class of Securities) 559080106 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

February 2, 2023 EX-99.1

Magellan Midstream Reports Fourth-Quarter 2022 Financial Results Guides to 2023 Annual Net Income of $975 Million and Distributable Cash Flow of $1.18 Billion

Exhibit 99.1 NYSE: MMP Date: February 2, 2023 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream Reports Fourth-Quarter 2022 Financial Results Guides to 2023 Annual Net Income of $975 Million and Distributable Cash Flow of $1.18 Billion TULSA, Okla. – Magellan Midstream Partners, L.P. (NYSE: MMP) today reported net income of $187 million for fourth quarter 2022,

February 2, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 2, 2023 Magellan Midstre

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 2, 2023 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commi

February 2, 2023 SC 13G/A

MMP / Magellan Midstream Partners, L.P. / Invesco Ltd. - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Magellan Midstream Partners LP (Name of Issuer) Partnership Interest (Title of Class of Securities) 559080106 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursua

December 9, 2022 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 8, 2022 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commi

November 8, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 8, 2022 MAGELLAN MIDSTRE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 8, 2022 MAGELLAN MIDSTREAM PARTNERS, L.P. (Exact Name of Registrant as Specified in Charter) DELAWARE 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commi

November 8, 2022 EX-10.1

Second Amendment to Second Amended and Restated Credit Agreement, dated as of November 8, 2022, among Magellan Midstream Partners, L.P., as borrower, Wells Fargo Bank, National Association, as administrative agent, and the lenders party thereto.

EX-10.1 Exhibit 10.1 Execution Version SECOND AMENDMENT TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT THIS SECOND AMENDMENT TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT (this “Amendment”), effective as of the 8th day of November, 2022 (the “Effective Date”), is entered into by and among MAGELLAN MIDSTREAM PARTNERS, L.P., a Delaware limited partnership (the “Borrower”), the Lenders (as hereina

October 27, 2022 EX-99.1

Magellan Midstream Reports Third-Quarter 2022 Financial Results, Raises 2022 Annual Guidance

Exhibit 99.1 NYSE: MMP Date: October 27, 2022 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream Reports Third-Quarter 2022 Financial Results, Raises 2022 Annual Guidance TULSA, Okla. ? Magellan Midstream Partners, L.P. (NYSE: MMP) today reported net income of $330 million for third quarter 2022, compared to $237 million for third quarter 2021. The increase in cu

October 27, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No.: 1-16335 Magellan Midstream Pa

October 27, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 27, 2022 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commi

July 28, 2022 EX-99.1

Magellan Midstream Reports Second-Quarter 2022 Financial Results

Exhibit 99.1 NYSE: MMP Date: July 28, 2022 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream Reports Second-Quarter 2022 Financial Results TULSA, Okla. ? Magellan Midstream Partners, L.P. (NYSE: MMP) today reported net income of $354 million for second quarter 2022 compared to $280 million for second quarter 2021. The current period includes a $162 million gain

July 28, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 28, 2022 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commissi

July 28, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No.: 1-16335 Magellan Midstream Partner

June 3, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 2, 2022 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commissio

June 3, 2022 EX-99.1

Magellan Midstream to Close Independent Terminals Sale to Buckeye Partners on June 8

Exhibit 99.1 NYSE: MMP Date: June 2, 2022 Contacts: Magellan Investors: Magellan Media: Buckeye Media: Paula Farrell Bruce Heine [email protected] (918) 574-7650 (918) 574-7010 [email protected] [email protected] Magellan Midstream to Close Independent Terminals Sale to Buckeye Partners on June 8 TULSA, Okla. and HOUSTON, Texas ? Magellan Midstream Partners, L.P. (NYSE:

June 1, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 31, 2022 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commissio

May 5, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 5, 2022 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commission

May 5, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 ☐ TRANSITION REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No.: 1-16335 Magellan Midstream Partne

May 5, 2022 EX-99.1

Magellan Midstream Reports First-Quarter 2022 Financial Results and Raises 2022 Annual Guidance

Exhibit 99.1 NYSE: MMP Date: May 5, 2022 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream Reports First-Quarter 2022 Financial Results and Raises 2022 Annual Guidance TULSA, Okla. ? Magellan Midstream Partners, L.P. (NYSE: MMP) today reported net income of $166 million for first quarter 2022 compared to $221 million for first quarter 2021. The decrease in net i

April 22, 2022 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 21, 2022 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commiss

April 22, 2022 EX-99.1

Magellan Midstream Announces Board Member Retirement and Replacement

Exhibit 99.1 NYSE: MMP Date: April 22, 2022 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream Announces Board Member Retirement and Replacement TULSA, Okla. ? Magellan Midstream Partners, L.P. (NYSE: MMP) announced today that Robert Croyle has advised of his intent to retire from Magellan?s board of directors effective April 30 after 13 years of service. Followi

February 17, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy Statement ? Definitive Additional Materials ? Soliciting Material Under ? 240.

February 17, 2022 EX-10.J

Retention Phantom Unit Agreement for awards granted pursuant to the Magellan Midstream Partners Long-Term Incentive Plan.

Exhibit 10(j) FORM OF RETENTION PHANTOM UNIT AGREEMENT THIS RETENTION PHANTOM UNIT AGREEMENT (this ?Agreement?) is by and between Magellan GP, LLC (the ?Company?) and [PARTICIPANT NAME] (the ?Participant?).

February 17, 2022 EX-10.D

Magellan GP, LLC Non-Management Director Compensation Program effective January 1, 2022.

Exhibit 10(d) Magellan GP, LLC Non-Management Director Compensation Program Effective January 1, 2022 Compensation Timing of Payment(1) Annual Board Retainer:(2) Cash Common Units $80,000 $135,000(3) Paid quarterly as of January 1st, April 1st, July 1st and October 1st As of January 1st Annual Chair Retainer:(2) Audit Committee Compensation Committee Conflicts Committee Nominating and Governance C

February 17, 2022 EX-32.B

Section 1350 Certification of Jeff Holman, Chief Financial Officer.

Exhibit 32(b) The following certification shall not be deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that section.

February 17, 2022 EX-10.C

Description of Magellan 202

Exhibit 10(c) 2022 Annual Incentive Program Summary Magellan's 2022 Annual Incentive Program (?AIP?) is a discretionary bonus program to encourage individual activities that will improve the overall financial and operational performance of Magellan Midstream Partners, L.

February 17, 2022 EX-31.A

Certification of Michael N. Mears, principal executive officer.

Exhibit 31(a) CERTIFICATION I, Michael N. Mears, certify that: 1. I have reviewed this Annual Report on Form 10-K for the fiscal year ending December 31, 2021 (this “report”) of Magellan Midstream Partners, L.P. (the “registrant”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, i

February 17, 2022 EX-10.I

Performance Based Phantom Unit Agreement for awards granted pursuant to the Magellan Midstream Partners Long-Term Incentive Plan.

Exhibit 10(i) FORM OF PERFORMANCE BASED PHANTOM UNIT AGREEMENT THIS PERFORMANCE BASED PHANTOM UNIT AGREEMENT (this ?Agreement?) is by and between Magellan GP, LLC (the ?Company?) and [PARTICIPANT NAME] (the ?Participant?).

February 17, 2022 EX-21

Subsidiaries of Magellan Midstream Partners, L.P.

EXHIBIT 21 LIST OF SUBSIDIARIES AS OF DECEMBER 31, 2021 Magellan Midstream Partners, L.

February 17, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy Statement ? Definitive Additional Materials ? Soliciting Material Under ? 240.

February 17, 2022 EX-31.B

Certification of Jeff Holman, principal financial officer.

Exhibit 31(b) CERTIFICATION I, Jeff Holman, certify that: 1. I have reviewed this Annual Report on Form 10-K for the fiscal year ending December 31, 2021 (this “report”) of Magellan Midstream Partners, L.P. (the “registrant”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in lig

February 17, 2022 EX-10.N

Retention Agreement dated January 31, 2020 between Magellan Midstream Holdings GP, LLC and Melanie Little.

Exhibit 10(n) RETENTION AGREEMENT THIS RETENTION AGREEMENT (this ?Agreement?) is by and between Magellan Midstream Holdings GP, LLC (the ?Company?) and Melanie Little (the ?Employee?).

February 17, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 1-16335 Magellan Midstream Partners, L.P. (Exact name of re

February 17, 2022 EX-32.A

Section 1350 Certification of Michael N. Mears, Chief Executive Officer.

Exhibit 32(a) The following certification shall not be deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that section.

February 14, 2022 EX-99

JOINT FILING AGREEMENT

JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) (l) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing of the attached Schedule 13G, and any and all amendments thereto, and expressly authorize Invesco Ltd.

February 14, 2022 SC 13G

MMP / Magellan Midstream Partners, L.P. / Invesco Ltd. - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Magellan Midstream Partners LP (Name of Issuer) Partnership Interest (Title of Class of Securities) 559080106 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

February 3, 2022 SC 13G/A

MMP / Magellan Midstream Partners, L.P. / ALPS ADVISORS INC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* Magellan Midstream Partners, L.P. (Name of Issuer) Common Units (Title of Class of Securities) 559080106 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

February 2, 2022 EX-99.1

Magellan Midstream Reports Fourth-Quarter 2021 Financial Results

Exhibit 99.1 NYSE: MMP Date: February 2, 2022 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream Reports Fourth-Quarter 2021 Financial Results TULSA, Okla. ? Magellan Midstream Partners, L.P. (NYSE: MMP) today reported net income of $244 million for fourth quarter 2021 compared to $184 million for fourth quarter 2020. Diluted net income per common unit was $1.14

February 2, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 2, 2022 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commi

January 31, 2022 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 25, 2022 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commi

January 31, 2022 EX-99.1

Magellan Midstream Announces April 30 Retirement of Chief Executive Officer, Names Successor

Exhibit 99.1 NYSE: MMP Date: January 26, 2022 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream Announces April 30 Retirement of Chief Executive Officer, Names Successor TULSA, Okla. ? Magellan Midstream Partners, L.P. (NYSE: MMP) announced today that Michael Mears will retire on April 30. Mears has served as president, chief executive officer and chairman of th

January 31, 2022 EX-10.1

Exhibit 10.1

Exhibit 10.1 Retirement Agreement This Retirement Agreement (the ?Agreement?) is entered into as of January 28, 2022 by and between Michael N. Mears (?Executive?) and Magellan GP, LLC, a Delaware limited liability company (the ?Company?) (collectively referred to herein as the ?Parties?). WHEREAS, Executive has provided notice of his retirement as Chairman of the Board, Chief Executive Officer and

January 31, 2022 EX-3.1

Amendment No. 2 dated January 25, 2022 to Third Amended and Restated Limited Liability Company Agreement of Magellan GP, LLC dated September 28, 2009 (filed as Exhibit 3.1 to Form 8-K filed January 31, 2022).

Exhibit 3.1 AMENDMENT NO. 2 TO THIRD AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT OF MAGELLAN GP, LLC This Amendment No. 2 (this ?Amendment?) to the Third Amended and Restated Limited Liability Company Agreement (as amended, the ?Agreement?) of Magellan GP, LLC (the ?Company?), effective as of January 25, 2022, is adopted, executed and agreed to by Magellan Midstream Partners, L.P., a

November 2, 2021 EX-99.1

Magellan Midstream Reports Third-Quarter 2021 Financial Results and Raises 2021 Annual Guidance

Exhibit 99.1 NYSE: MMP Date: November 2, 2021 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream Reports Third-Quarter 2021 Financial Results and Raises 2021 Annual Guidance TULSA, Okla. ? Magellan Midstream Partners, L.P. (NYSE: MMP) today reported net income of $237 million for third quarter 2021 compared to $212 million for third quarter 2020. Diluted net inco

November 2, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 ☐ TRANSITION REPORT PURSUANT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No.: 1-16335 Magellan Midstream Pa

November 2, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 2, 2021 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commi

October 20, 2021 EX-99.1

Magellan Midstream Increases Quarterly Cash Distribution to $1.0375, Announces Completion of Previous Equity Repurchase Program and Approval of Additional $750 Million Authorization

Exhibit 99.1 NYSE: MMP Date: October 20, 2021 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream Increases Quarterly Cash Distribution to $1.0375, Announces Completion of Previous Equity Repurchase Program and Approval of Additional $750 Million Authorization TULSA, Okla. ? The board of directors of Magellan Midstream Partners, L.P. (NYSE: MMP) has increased the

October 20, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 20, 2021 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commi

July 29, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 ☐ TRANSITION REPORT PURSUANT TO S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No.: 1-16335 Magellan Midstream Partner

July 29, 2021 EX-10.1

Equity Purchase Agreement between Magellan OLP, L.P., as Seller, and Buckeye Partners, L.P., as Buyer, dated June 9, 2021.

Exhibit 10.1 Execution Version EQUITY PURCHASE AGREEMENT by and between MAGELLAN OLP, L.P., a Delaware limited partnership, as Seller, and BUCKEYE PARTNERS, L.P., a Delaware limited partnership, as Buyer Execution Date: June 9, 2021 TABLE OF CONTENTS Page Article I CERTAIN DEFINITIONS 1 1.1 Certain Defined Terms 1 1.2 References and Construction 1 Article II THE TRANSACTION 2 2.1 The Transaction 2

July 29, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 29, 2021 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commissi

July 29, 2021 EX-99.1

Magellan Midstream Reports Second-Quarter 2021 Financial Results

Exhibit 99.1 NYSE: MMP Date: July 29, 2021 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream Reports Second-Quarter 2021 Financial Results TULSA, Okla. ? Magellan Midstream Partners, L.P. (NYSE: MMP) today reported net income of $280.4 million for second quarter 2021 compared to $133.8 million for second quarter 2020. The 2021 results included a $69.7 million ga

June 10, 2021 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 9, 2021 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commissio

June 10, 2021 EX-99.1

Magellan Midstream Announces Sale of Independent Terminals

Exhibit 99.1 NYSE: MMP Date: June 10, 2021 Contact: Investors: Media: Paula Farrell Bruce Heine (918) 574-7650 (918) 574-7010 [email protected] [email protected] Magellan Midstream Announces Sale of Independent Terminals TULSA, Okla. ? Magellan Midstream Partners, L.P. (NYSE: MMP) announced today an agreement to sell its independent terminals network comprised of 26 refined pet

April 29, 2021 EX-10.1

Magellan Midstream Holdings GP, LLC Executive Severance Pay Plan and Summary Plan Description (Amended and Restated Effective April 1, 2021)

Exhibit 10.1 Magellan Midstream Holdings GP, LLC Executive Severance Pay Plan and Summary Plan Description (Amended and Restated Effective April 1, 2021) ? INTRODUCTION Magellan Midstream Holdings GP, LLC has adopted an Executive Severance Pay Plan (?Plan?) to provide for the payment of severance benefits to eligible executives under the terms described herein. For purposes of this Plan: (i) the t

April 29, 2021 EX-99.1

Magellan Midstream Reports First-Quarter 2021 Financial Results and Raises 2021 Annual Guidance

Exhibit 99.1 NYSE: MMP Date: April 29, 2021 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream Reports First-Quarter 2021 Financial Results and Raises 2021 Annual Guidance TULSA, Okla. ? Magellan Midstream Partners, L.P. (NYSE: MMP) today reported net income of $221.3 million for first quarter 2021 compared to $287.6 million for first quarter 2020. Diluted net in

April 29, 2021 EX-10.2

Amendment No. 1 dated April 1, 2021 to Magellan Midstream Partners Long-Term Incentive Plans (filed as Exhibit 10.2 to Form 10-Q filed April 29, 2021).

Exhibit 10.2 AMENDMENT NO. 1 TO MAGELLAN MIDSTREAM PARTNERS LONG-TERM INCENTIVE PLANS This AMENDMENT NO. 1 TO MAGELLAN MIDSTREAM PARTNERS LONG-TERM INCENTIVE PLANS (this ?Amendment?), dated as of April 1, 2021, amends that certain (i) Magellan Midstream Partners Long-Term Incentive Plan, as amended and restated on January 26, 2016 (the ?2016 LTIP?), and (ii) Magellan Midstream Partners Long-Term I

April 29, 2021 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File No.: 1-16335 Magellan Midstream Partne

April 29, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 29, 2021 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commiss

April 29, 2021 S-8

- S-8

As filed with the Securities and Exchange Commission on April 29, 2021 Registration No.

April 23, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 22, 2021 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commiss

February 18, 2021 EX-10.C

Magellan GP, LLC Non-Management Director Compensation Program effective January 1, 2021.

Exhibit 10(c) Magellan GP, LLC Non-Management Director Compensation Program Effective January 1, 2021 Compensation Timing of Payment(1) Annual Board Retainer:(2) Cash Common Units $80,000 $130,000(3) Paid quarterly as of January 1st, April 1st, July 1st and October 1st As of January 1st Annual Chairman Retainer:(2) Audit Committee Compensation Committee Conflicts Committee Nominating and Governanc

February 18, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy Statement ? Definitive Additional Materials ? Soliciting Material Under ? 240.

February 18, 2021 EX-10.A

Amended and Restated Magellan Midstream Partners Long-Term Incentive Plan dated January 26, 2021

Exhibit 10(a) Magellan Midstream Partners Long-Term Incentive Plan Amended and Restated January 26, 2021 Magellan Midstream Partners Long-Term Incentive Plan January 26, 2021 SECTION 1.

February 18, 2021 EX-10.B

Description of Magellan 2021 Annual Incentive Program.

Exhibit 10(b) 2021 Annual Incentive Program Summary Magellan's 2021 Annual Incentive Program (?AIP?) is a discretionary bonus program to encourage individual activities that will improve the overall financial and operational performance of Magellan Midstream Partners, L.

February 18, 2021 EX-31.B

Certification of Jeff Holman, principal financial officer.

Exhibit 31(b) CERTIFICATION I, Jeff Holman, certify that: 1. I have reviewed this Annual Report on Form 10-K for the fiscal year ending December 31, 2020 (this “report”) of Magellan Midstream Partners, L.P. (the “registrant”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in lig

February 18, 2021 EX-25.1

Form T-1 Statement of Eligibility and Qualification respecting the Senior Indenture.

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ? Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) U.S. BANK NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 31-0841368 I.R.S. Employer Identif

February 18, 2021 EX-32.A

Section 1350 Certification of Michael N. Mears, Chief Executive Officer.

Exhibit 32(a) The following certification shall not be deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that section.

February 18, 2021 EX-21

Subsidiaries of Magellan Midstream Partners, L.P.

EXHIBIT 21 LIST OF SUBSIDIARIES AS OF DECEMBER 31, 2020 Magellan Midstream Partners, L.

February 18, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 1-16335 Magellan Midstream Partners, L.P. (Exact name of re

February 18, 2021 S-3ASR

- S-3ASR

Table of Contents As filed with the Securities and Exchange Commission on February 18, 2021 Registration No.

February 18, 2021 EX-10.I

Form of 2021 Retention Phantom Unit Agreement for awards granted pursuant to the Magellan Midstream Partners Long-Term Incentive Plan.

Exhibit 10(i) RETENTION PHANTOM UNIT AGREEMENT THIS RETENTION PHANTOM UNIT AGREEMENT (this ?Agreement?) is by and between Magellan GP, LLC (the ?Company?) and [PARTICIPANT NAME] (the ?Participant?).

February 18, 2021 EX-31.A

Certification of Michael N. Mears, principal executive officer.

Exhibit 31(a) CERTIFICATION I, Michael N. Mears, certify that: 1. I have reviewed this Annual Report on Form 10-K for the fiscal year ending December 31, 2020 (this “report”) of Magellan Midstream Partners, L.P. (the “registrant”); 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, i

February 18, 2021 EX-10.H

Form of 2021 Performance Based Phantom Unit Agreement for awards granted pursuant to the Magellan Midstream Partners Long-Term Incentive Plan.

Exhibit 10(h) PERFORMANCE BASED PHANTOM UNIT AGREEMENT THIS PERFORMANCE BASED PHANTOM UNIT AGREEMENT (this ?Agreement?) is by and between Magellan GP, LLC (the ?Company?) and [PARTICIPANT NAME] (the ?Participant?).

February 18, 2021 EX-32.B

Section 1350 Certification of Jeff Holman, Chief Financial Officer.

Exhibit 32(b) The following certification shall not be deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that section.

February 18, 2021 EX-25.2

Form T-1 Statement of Eligibility and Qualification respecting the Subordinated Indenture.

EX-25.2 6 d123642dex252.htm EX-25.2 Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ☐ Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) U.S. BANK NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter

February 18, 2021 DEF 14A

- DEF 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy Statement ? Definitive Additional Materials ? Soliciting Material Under ? 240.

February 12, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G* (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2 (AMENDMENT NO. NINE )*

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G* (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2 (AMENDMENT NO. NINE )* Magellan Midstream Partners LP (Name of Issuer) Common units representing limited partner interests (Title of Class of Securities) 559080106 (CUSIP Nu

February 2, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 2, 2021 Magellan Midstream Partners, L.P. (Exact Name of Registrant as Specified in Charter) Delaware 1-16335 73-1599053 (State or Other Jurisdiction of Incorporation) (Commi

February 2, 2021 EX-99.1

Magellan Midstream Reports Fourth-Quarter 2020 Financial Results Guides to 2021 Net Income of $793 Million, Distributable Cash Flow of $1.02 Billion and 1.1 Times Distribution Coverage as Economy Continues to Recover

Exhibit 99.1 NYSE: MMP Date: Feb 2, 2021 Contact: Paula Farrell (918) 574-7650 [email protected] Magellan Midstream Reports Fourth-Quarter 2020 Financial Results Guides to 2021 Net Income of $793 Million, Distributable Cash Flow of $1.02 Billion and 1.1 Times Distribution Coverage as Economy Continues to Recover TULSA, Okla. – Magellan Midstream Partners, L.P. (NYSE: MMP) today reported

December 16, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 16, 2020 Magellan Midstream Partners, L.P. (Exact name of registrant as specified in its charter) DELAWARE 1-16335 73-1599053 (State or other jurisdiction of incorporation or

December 3, 2020 424B5

Title of Each Class of Securities to be Registered

424B5 Table of Contents Filed pursuant to Rule 424(b)(5) Registration No. 333-223097 Title of Each Class of Securities to be Registered Proposed Maximum Aggregate Offering Price Registration Fee(1) 3.950% Senior Notes Due 2050 $300,000,000 $32,730 (1) The filing fee, calculated in accordance with Rule 457(r) of the Securities Act of 1933, as amended, has been transmitted to the Securities and Exch

December 3, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 2, 2020 Magellan Midstream Partners, L.P. (Exact name of registrant as specified in its charter) DELAWARE 1-16335 73-1599053 (State or other jurisdiction of incorporation) (C

December 3, 2020 EX-1.1

Underwriting Agreement dated as of December 2, 2020, among Magellan Midstream Partners, L.P. and Wells Fargo Securities, LLC, Barclays Capital Inc., PNC Capital Markets LLC, TD Securities (USA) LLC and Truist Securities, Inc., as representatives of the several underwriters named therein.

EX-1.1 Exhibit 1.1 Execution Version MAGELLAN MIDSTREAM PARTNERS, L.P. UNDERWRITING AGREEMENT December 2, 2020 Wells Fargo Securities, LLC Barclays Capital Inc. PNC Capital Markets LLC TD Securities (USA) LLC Truist Securities, Inc. As Managers of the several Underwriters named in Schedule I hereto (the “Managers”) c/o Wells Fargo Securities, LLC 550 South Tryon Street, 5th Floor Charlotte, North

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