DRCO / Dynamics Research Corp - SEC-arkiveringar, Årsredovisning, Fullmaktsutlåtande

Dynamics Research Corp
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DENNA SYMBOL ÄR INTE LÄNGRE AKTIV

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CIK 30822
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 Dynamics Research Corp
SEC Filings (Chronological Order)
Denna sida innehåller en komplett, kronologisk lista över SEC-arkiveringar, exklusive ägande-arkiveringar som vi tillhandahåller på andra ställen.
February 5, 2015 SC 13G/A

DRCO / Dynamics Research Corp / DIMENSIONAL FUND ADVISORS LP - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 rrd147.htm SCHEDULE 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* DYNAMICS RESEARCH CORP (Name of Issuer) Common Stock (Title of Class of Securities) 268057106 (CUSIP Number) December 31, 2014 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desig

July 3, 2014 POSASR

EGL / Engility Holdings, Inc. POSASR - - POSASR

As filed with the Securities and Exchange Commission on July 3, 2014 Registration No.

February 11, 2014 15-12G

- FORM 15-12G

Form 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 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 1-34135 DYNAMICS RESEARCH CORPORATION (Exact name of registrant

February 10, 2014 SC 13G/A

DRCO / Dynamics Research Corp / DIMENSIONAL FUND ADVISORS LP - SCHEDULE 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* DYNAMICS RESEARCH CORP (Name of Issuer) Common Stock (Title of Class of Securities) 268057106 (CUSIP Number) December 31, 2013 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

February 6, 2014 SC 13G/A

DRCO / Dynamics Research Corp / HEARTLAND ADVISORS INC - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 8) DYNAMICS RESEARCH CORPORATION (Name of Issuer) Common Stock (Title of Class of Securities) 268057106 (CUSIP Number) December 31st, 2013 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whi

February 6, 2014 EX-99.1

JOINT FILING AGREEMENT

EXHIBIT 1 – JOINT FILING AGREEMENT JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, each of the undersigned hereby agrees to the joint filing with the other reporting person of a statement on Schedule 13G (including amendments thereto) with respect to the Common Stock, $0.

February 5, 2014 S-8 POS

- FORM S-8 POS

FORM S-8 POS As filed with the Securities and Exchange Commission on February 5, 2014 Registration No.

February 5, 2014 S-8 POS

- FORM S-8 POS

FORM S-8 POS As filed with the Securities and Exchange Commission on February 5, 2014 Registration No.

February 5, 2014 S-8 POS

- FORM S-8 POS

FORM S-8 POS As filed with the Securities and Exchange Commission on February 5, 2014 Registration No.

February 5, 2014 S-8 POS

- FORM S-8 POS

As filed with the Securities and Exchange Commission on February 5, 2014 Registration No.

February 5, 2014 S-8 POS

- FORM S-8 POS

Form S-8 POS As filed with the Securities and Exchange Commission on February 5, 2014 Registration No.

February 5, 2014 S-8 POS

- FORM S-8 POS

FORM S-8 POS As filed with the Securities and Exchange Commission on February 5, 2014 Registration No.

February 5, 2014 S-8 POS

- FORM S-8 POS

FORM S-8 POS As filed with the Securities and Exchange Commission on February 5, 2014 Registration No.

February 5, 2014 S-8 POS

- FORM S-8 POS

FORM S-8 POS As filed with the Securities and Exchange Commission on February 5, 2014 Registration No.

February 3, 2014 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, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Material Modification to Rights of Security Holders, Unregistered Sales of Equity Securities, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 29, 2014 DYNAMICS RESEARCH CORPORATION (Exact Name of Registrant as Specified in Its Charter) Commission file number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdiction of Incorporation or organization) (IRS Employer Identification No.

February 3, 2014 EX-3.2

SECOND AMENDED AND RESTATED DYNAMICS RESEARCH CORPORATION ARTICLE I

EX-3.2 Exhibit 3.2 SECOND AMENDED AND RESTATED BY-LAWS of DYNAMICS RESEARCH CORPORATION ARTICLE I SHAREHOLDERS Section 1. Annual Meeting. The Corporation shall hold an annual meeting of shareholders at a time fixed by the Directors. The purposes for which the annual meeting is to be held, in addition to those prescribed by the Articles of Organization, shall be for electing directors and for such

February 3, 2014 EX-3.1

Amendments to the Articles of Organization of Dynamics Research Corporation

EX-3.1 Exhibit 3.1 Amendments to the Articles of Organization of Dynamics Research Corporation Article II Intentionally omitted. Article III The total number of shares and par value of each class of stock that the corporation is authorized to issue is amended as follows: Class of Stock Par Value Authorized Shares Common $ 0.01 100 Article IV Intentionally omitted. Article VI The following addition

January 29, 2014 SC TO-T/A

- SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Rule 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 4) DYNAMICS RESEARCH CORPORATION (Name of subject company (Issuer)) ENGILITY SOLUTIONS, INC., (Offeror) a wholly owned subsidiary of ENGILITY CORPORATION, (Offeror) a wholly owned

January 29, 2014 EX-99.A5H

Engility Completes Tender Offer for All Outstanding Shares of Dynamics Research Corporation

Exhibit (a)(5)(H) Exhibit (a)(5)(H) Engility Completes Tender Offer for All Outstanding Shares of Dynamics Research Corporation CHANTILLY, VA – January 29, 2014, Engility Holdings, Inc.

January 29, 2014 SC 14D9/A

- SC 14D9/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 (Rule 14d-101) (Amendment No. 4) Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 DYNAMICS RESEARCH CORPORATION (Name of Subject Company) DYNAMICS RESEARCH CORPORATION (Name of Person Filing Statement) Common Stock, $0.10 par value per share (Title of Class of Securities) 268

January 29, 2014 EX-99.(A)(5)(C)

Engility Completes Tender Offer for All Outstanding Shares of Dynamics Research Corporation

EX-99.(a)(5)(C) Exhibit (a)(5)(C) Engility Completes Tender Offer for All Outstanding Shares of Dynamics Research Corporation CHANTILLY, VA – January 29, 2014, Engility Holdings, Inc. (NYSE: EGL) (“Engility”) today announced the successful completion of its previously announced tender offer for all of the outstanding shares of common stock of Dynamics Research Corporation (“DRC”) for $11.50 per sh

January 21, 2014 SC TO-T/A

- SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Rule 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 3) DYNAMICS RESEARCH CORPORATION (Name of subject company (Issuer)) ENGILITY SOLUTIONS, INC., (Offeror) a wholly owned subsidiary of ENGILITY CORPORATION, (Offeror) a wholly owned

January 21, 2014 SC 14D9/A

- SC 14D9/A

SC 14D9/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 (Rule 14d-101) (Amendment No. 3) Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 DYNAMICS RESEARCH CORPORATION (Name of Subject Company) DYNAMICS RESEARCH CORPORATION (Name of Person Filing Statement) Common Stock, $0.10 par value per share (Title of Class of Secur

January 15, 2014 CORRESP

-

CORRESP Daniel McAvoy Counsel T 212-940-3112 [email protected] Nixon Peabody LLP 437 Madison Avenue New York, NY 10022-7039 212-940-3000 January 15, 2014 Via EDGAR and OVERNIGHT COURIER Securities and Exchange Commission Office of Mergers and Acquisitions 100 F Street, NE Washington, DC 20549 Attention: Alexandra M. Ledbetter, Esq. Office of Mergers and Acquisitions Division of Corporation

January 15, 2014 SC 14D9/A

- SC 14D9/A

SC 14D9/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 (Rule 14d-101) (Amendment No. 2) Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 DYNAMICS RESEARCH CORPORATION (Name of Subject Company) DYNAMICS RESEARCH CORPORATION (Name of Person Filing Statement) Common Stock, $0.10 par value per share (Title of Class of Secur

January 15, 2014 EX-99.A5G

Engility Announces Early Termination of Hart-Scott-Rodino Waiting Period for Acquisition of Dynamics Research Corporation

Exhibit (a)(5)(G) Exhibit (a)(5)(G) Engility Announces Early Termination of Hart-Scott-Rodino Waiting Period for Acquisition of Dynamics Research Corporation CHANTILLY, VA – January 14, 2014, Engility Holdings, Inc.

January 15, 2014 SC TO-T/A

- SC TO-T/A

SC TO-T/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Rule 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 2) DYNAMICS RESEARCH CORPORATION (Name of subject company (Issuer)) ENGILITY SOLUTIONS, INC., (Offeror) a wholly owned subsidiary of ENGILITY CORPORATION, (Offeror) a wholly owned

January 9, 2014 SC TO-T/A

- AMENDMENT #1 TO SCHEDULE TO

Amendment #1 to Schedule TO UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

January 9, 2014 SC 14D9/A

- SCHEDULE 14D-9/A

Schedule 14D-9/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 (Rule 14d-101) (Amendment No. 1) Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 DYNAMICS RESEARCH CORPORATION (Name of Subject Company) DYNAMICS RESEARCH CORPORATION (Name of Person Filing Statement) Common Stock, $0.10 par value per share (Title of Class o

January 9, 2014 EX-99.A.5.B

FAQ Sheet for Employees of DRC

Exhibit (a)(5)(B) Exhibit (a)(5)(B) FAQ Sheet for Employees of DRC 1. Will the DRC 401(k) Plan continue post acquisition in 2014? Are there changes being made within the current program for 2014? For all employees who were employed by DRC prior to the closing of the merger and who are participants in the DRC 401(k) plan, the parties intend that DRC’s 401(k) plan will continue in effect until at le

December 30, 2013 SC 14D9

- SC 14D-9

SC 14D-9 Table of Contents SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 (Rule 14d-101) Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 DYNAMICS RESEARCH CORPORATION (Name of Subject Company) DYNAMICS RESEARCH CORPORATION (Name of Person Filing Statement) Common Stock, $0.10 par value per share (Title of Class of Securi

December 30, 2013 EX-99.D.3

PRIVATE AND CONFIDENTIAL

Exhibit (d)(3) Exhibit (d)(3) PRIVATE AND CONFIDENTIAL October 4, 2013 Anthony Smeraglinolo Chief Executive Officer Engility Holdings, Inc.

December 30, 2013 EX-99.A.1.A

OFFER TO PURCHASE FOR CASH All Outstanding Shares of Common Stock DYNAMICS RESEARCH CORPORATION $11.50 Per Share ENGILITY SOLUTIONS, INC., a wholly owned subsidiary of ENGILITY CORPORATION, a wholly owned subsidiary of ENGILITY HOLDINGS, INC.

Exhibit (a)(1)(A) Table of Contents Exhibit (a)(1)(A) OFFER TO PURCHASE FOR CASH All Outstanding Shares of Common Stock of DYNAMICS RESEARCH CORPORATION at $11.

December 30, 2013 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 Exhibit 1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby (i) agree to the joint filing with all other Reporting Persons (as such term is defined in the statement on Schedule 13D described below) of a statement on Schedule 13D (including amendments thereto) with respect to the common stock, par value $

December 30, 2013 EX-99.A.1.E

Offer to Purchase All Outstanding Shares of Common Stock DYNAMICS RESEARCH CORPORATION $11.50 Per Share Pursuant to the Offer to Purchase Dated December 30, 2013 by ENGILITY SOLUTIONS, INC., a wholly owned subsidiary of ENGILITY CORPORATION, a wholly

Exhibit (a)(1)(E) Exhibit (a)(1)(E) Offer to Purchase All Outstanding Shares of Common Stock of DYNAMICS RESEARCH CORPORATION at $11.

December 30, 2013 SC 13D

DRCO / Dynamics Research Corp / Engility Holdings, Inc. - SC 13D Activist Investment

SC 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) Under the Securities Exchange Act of 1934 DYNAMICS RESEARCH CORPORATION (Name of Issuer) Common Stock, $0.10 par value per share (Title of Class of Securities) 268

December 30, 2013 SC TO-T

- SC TO-T

SC TO-T UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Rule 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 DYNAMICS RESEARCH CORPORATION (Name of subject company (Issuer)) ENGILITY SOLUTIONS, INC., (Offeror) a wholly owned subsidiary of ENGILITY CORPORATION, (Offeror) a wholly owned subsidiary of ENGIL

December 30, 2013 EX-99.D.4

FIRST ADDENDUM

Exhibit (d)(4) Exhibit (d)(4) Anthony Smeraglinolo Chief Executive Officer Engility Holdings, Inc.

December 30, 2013 EX-99.A.1.C

Notice of Guaranteed Delivery for Tender of Shares of Common Stock of DYNAMICS RESEARCH CORPORATION $11.50 Per Share Pursuant to the Offer to Purchase Dated December 30, 2013 by ENGILITY SOLUTIONS, INC., a wholly owned subsidiary of ENGILITY CORPORAT

Exhibit (a)(1)(C) Exhibit (a)(1)(C) Notice of Guaranteed Delivery for Tender of Shares of Common Stock of DYNAMICS RESEARCH CORPORATION at $11.

December 30, 2013 EX-99.A.1.D

Offer to Purchase All Outstanding Shares of Common Stock DYNAMICS RESEARCH CORPORATION $11.50 Per Share Pursuant to the Offer to Purchase Dated December 30, 2013 by ENGILITY SOLUTIONS, INC., a wholly owned subsidiary of ENGILITY CORPORATION, a wholly

Exhibit (a)(1)(D) Exhibit (a)(1)(D) Offer to Purchase All Outstanding Shares of Common Stock of DYNAMICS RESEARCH CORPORATION at $11.

December 30, 2013 EX-99.A.5.F

Engility Announces Commencement of Tender Offer for All Outstanding Shares of Dynamics Research Corporation

Exhibit (a)(5)(F) Exhibit (a)(5)(F) Engility Announces Commencement of Tender Offer for All Outstanding Shares of Dynamics Research Corporation CHANTILLY, VA – December 30, 2013, Engility Holdings, Inc.

December 30, 2013 EX-99.A.1.F

Notice of Offer to Purchase for Cash All Outstanding Shares of Common Stock Dynamics Research Corporation $11.50 Per Share Engility Solutions, Inc. an indirect wholly owned subsidiary of Engility Holdings, Inc.

Exhibit (a)(1)(F) Exhibit (a)(1)(F) This announcement is neither an offer to purchase nor a solicitation of an offer to sell Shares (as defined below).

December 30, 2013 EX-10.2

AMENDMENT NO. 5 TO SENIOR SUBORDINATED LOAN AGREEMENT

EX-10.2 Exhibit 10.2 EXECUTION VERSION AMENDMENT NO. 5 TO SENIOR SUBORDINATED LOAN AGREEMENT THIS AMENDMENT NO. 5, dated as of December 27, 2013 (this “Amendment No. 5”), to that certain Senior Subordinated Loan Agreement referred to below is entered into by and among Dynamics Research Corporation, a Massachusetts corporation (the “Borrower”), the Guarantors, Ares Mezzanine Partners, L.P. (the “Le

December 30, 2013 EX-99.A.1.B

Letter of Transmittal to Tender Shares of Common Stock DYNAMICS RESEARCH CORPORATION $11.50 Per Share Pursuant to the Offer to Purchase Dated December 30, 2013 by ENGILITY SOLUTIONS, INC., a wholly owned subsidiary of ENGILITY CORPORATION, a wholly o

Exhibit (a)(1)(B) Exhibit (a)(1)(B) Letter of Transmittal to Tender Shares of Common Stock of DYNAMICS RESEARCH CORPORATION at $11.

December 30, 2013 EX-10.1

AMENDMENT NO. 6 TO CREDIT AGREEMENT

EX-10.1 Exhibit 10.1 EXECUTION VERSION AMENDMENT NO. 6 TO CREDIT AGREEMENT THIS AMENDMENT NO. 6, dated as of December 27, 2013 (this “Amendment No. 6”), to that certain Credit Agreement referred to below is entered into by and among Dynamics Research Corporation, a Massachusetts corporation (the “Borrower”), the Guarantors, each Lender party hereto, and Bank of America, N.A., as administrative age

December 30, 2013 8-K

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

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 27, 2013 DYNAMICS RESEARCH CORPORATION (Exact Name of Registrant as Specified in Its Charter) Commission file number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdiction of Incorporation or organization) (IRS Employer Identification No.

December 30, 2013 EX-99.D.5

CONSULTING AGREEMENT

Exhibit (d)(5) Exhibit (d)(5) Execution Version CONSULTING AGREEMENT This Consulting Agreement (the “Agreement”) is made and entered into as of this 20th day of December, 2013 and made effective as of (subject to Section 1 hereof) the closing date of the Transaction (as defined below), between Engility Corporation (the “Company”), and James P.

December 23, 2013 EX-99.2

THOMSON REUTERS STREETEVENTS

EX-99.2 Exhibit 99.2 THOMSON REUTERS STREETEVENTS EDITED TRANSCRIPT EGL—Engility Holdings Inc Conference Call to discuss the acquisition of Dynamics Research Corporation EVENT DATE/TIME: DECEMBER 23, 2013 / 1:30PM GMT THOMSON REUTERS STREETEVENTS | www.streetevents.com | Contact Us ©2013 Thomson Reuters. All rights reserved. Republication or redistribution of Thomson Reuters content, including by

December 23, 2013 EX-3.1

AMENDED AND RESTATED BY-LAWS DYNAMICS RESEARCH CORPORATION As amended through December 20, 2013 Section 1. ARTICLES OF ORGANIZATION

EX-3.1 Exhibit 3.1 AMENDED AND RESTATED BY-LAWS of DYNAMICS RESEARCH CORPORATION As amended through December 20, 2013 Section 1. ARTICLES OF ORGANIZATION The name and purposes of the corporation shall be as set forth in the Articles of Organization. These By-laws, the powers of the corporation and of its directors and stockholders, or of any class of stockholders if there shall be more than one cl

December 23, 2013 EX-10.3

December 20, 2013

EX-10.3 Exhibit 10.3 December 20, 2013 Strictly Confidential & Personal Helen Tsingos, Esq. 382 Ocean Ave. #502 Revere, MA 02511 [email protected] Re: Letter Agreement – Transaction Retention Bonus Dear Helen: As you know, Dynamics Research Corporation (the “Corporation”) is currently contemplating strategic alternatives involving potential business combinations pursuant to a process designated as

December 23, 2013 8-K

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, Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Other Events - 8-K

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 20, 2013 DYNAMICS RESEARCH CORPORATION (Exact Name of Registrant as Specified in Its Charter) Commission file number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdiction of Incorporation or organization) (IRS Employer Identification No.

December 23, 2013 EX-10.2

December 20, 2013

EX-10.2 Exhibit 10.2 December 20, 2013 Strictly Confidential & Personal Mr. David Keleher 234 Cushing Road Newmarket, NH 03857 Re: Letter Agreement – Transaction Retention Bonus Dear Dave: As you know, Dynamics Research Corporation (the “Corporation”) is currently contemplating strategic alternatives involving potential business combinations pursuant to a process designated as Project Leader. You

December 23, 2013 EX-2.2

TENDER AND VOTING AGREEMENT INCLUDING IRREVOCABLE PROXY COUPLED WITH AN INTEREST

EX-2.2 Exhibit 2.2 TENDER AND VOTING AGREEMENT INCLUDING IRREVOCABLE PROXY COUPLED WITH AN INTEREST This Tender and Voting Agreement, dated as of December 20, 2013 (this “Agreement”), is by and among Engility Corporation, a Delaware corporation (“Parent”), Engility Solutions, Inc., a Massachusetts corporation (“Merger Sub”), and the shareholder of Dynamics Research Corporation, a Massachusetts cor

December 23, 2013 SC TO-C

- 8-K

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 23, 2013 (December 20, 2013) ENGILITY HOLDINGS, INC.

December 23, 2013 SC TO-C

- SC TO-C

SC TO-C UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO (Rule 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 DYNAMICS RESEARCH CORPORATION (Name of subject company (Issuer)) ENGILITY SOLUTIONS, INC. (Offeror) a wholly owned subsidiary of ENGILITY CORPORATION (Offeror) a wholly owned subsidiary of ENGILIT

December 23, 2013 EX-4.1

DYNAMICS RESEARCH CORPORATION AMERICAN STOCK TRANSFER & TRUST COMPANY, LLC as Rights Agent Amendment No. 1 to Amended and Restated Rights Agreement Dated as of December 20, 2013 AMENDMENT NO. 1 TO AMENDED AND RESTATED RIGHTS AGREEMENT

EX-4.1 Exhibit 4.1 DYNAMICS RESEARCH CORPORATION and AMERICAN STOCK TRANSFER & TRUST COMPANY, LLC as Rights Agent Amendment No. 1 to Amended and Restated Rights Agreement Dated as of December 20, 2013 AMENDMENT NO. 1 TO AMENDED AND RESTATED RIGHTS AGREEMENT This Amendment No. 1 to Amended and Restated Rights Agreement dated as of December 20, 2013 (this “Amendment”) is between Dynamics Research Co

December 23, 2013 SC14D9C

- SC14D9C

SC14D9C SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 (Rule 14d-101) Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 DYNAMICS RESEARCH CORPORATION (Name of Subject Company) DYNAMICS RESEARCH CORPORATION (Name of Person Filing Statement) Common Stock, $0.10 par value per share (Title of Class of Securities) 268057106 (CU

December 23, 2013 EX-99.4

Engility Employee FAQ

EX-99.4 Exhibit 99.4 Engility Employee FAQ 1. Why is Engility buying Dynamics Research Corporation (DRC)? The acquisition of DRC is a pivotal first step in our strategy of growth through strong partnerships and targeted acquisition opportunities and through this transaction we will be able to further expand and diversify our addressable market, customer base and capabilities. Our long-term success

December 23, 2013 EX-99.3

Engility Employee Letter

EX-99.3 Exhibit 99.3 Engility Employee Letter Dear Engility Colleagues: I am very pleased to announce that Engility has entered into an agreement to acquire Dynamics Research Corporation (DRC), a U.S. government services, information technology and management consulting firm. Led by a seasoned executive team, DRC brings a trusted, highly-specialized and talented workforce with a strong focus on cu

December 23, 2013 EX-10.4

DYNAMICS RESEARCH CORPORATION SPECIAL SEVERANCE PLAN

EX-10.4 Exhibit 10.4 DYNAMICS RESEARCH CORPORATION SPECIAL SEVERANCE PLAN Dynamics Research Corporation’s (DRC) Special Severance Plan will, in the event of a Change of Control, resulting from protect selected and participating senior executives by providing a generous compensation arrangement should they be adversely affected by the Change of Control, and help DRC retain qualified employees and m

December 23, 2013 SC14D9C

- SC14D9C

SC14D9C SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14D-9 (Rule 14d-101) Solicitation/Recommendation Statement Under Section 14(d)(4) of the Securities Exchange Act of 1934 DYNAMICS RESEARCH CORPORATION (Name of Subject Company) DYNAMICS RESEARCH CORPORATION (Name of Person Filing Statement) Common Stock, $0.10 par value per share (Title of Class of Securities) 268057106 (CU

December 23, 2013 EX-99.1

Engility to Acquire Dynamics Research Corporation Complementary Businesses Expand Market Opportunity with New Customers in High Priority Markets Further Diversifies Engility’s Government Services Offerings and Access to Contract Vehicles Expected to

EX-99.1 Exhibit 99.1 Engility to Acquire Dynamics Research Corporation Complementary Businesses Expand Market Opportunity with New Customers in High Priority Markets Further Diversifies Engility’s Government Services Offerings and Access to Contract Vehicles Expected to be Accretive to 2014 Earnings and Significantly Accretive to Earnings in 2015 and Beyond CHANTILLY, VA and ANDOVER, MA – December

December 23, 2013 8-A12B/A

- 8-A12B/A

8-A12B/A 1 d649050d8a12ba.htm 8-A12B/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A/A (Amendment No. 1) FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 DYNAMICS RESEARCH CORPORATION (Exact name of registrant as specified in its charter) MASSACHUSETTS 04-2211809 (State of incorporation or organization) (

December 23, 2013 EX-99.1

Engility to Acquire Dynamics Research Corporation Complementary Businesses Expand Market Opportunity with New Customers in High Priority Markets Further Diversifies Engility’s Government Services Offerings and Access to Contract Vehicles Expected to

EX-99.1 Exhibit 99.1 Engility to Acquire Dynamics Research Corporation Complementary Businesses Expand Market Opportunity with New Customers in High Priority Markets Further Diversifies Engility’s Government Services Offerings and Access to Contract Vehicles Expected to be Accretive to 2014 Earnings and Significantly Accretive to Earnings in 2015 and Beyond CHANTILLY, VA and ANDOVER, MA – December

December 23, 2013 EX-10.1

BANK OF AMERICA, N.A. MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED One Bryant Park New York, New York 10036

EX-10.1 Exhibit 10.1 EXECUTION COPY BANK OF AMERICA, N.A. MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED One Bryant Park New York, New York 10036 December 22, 2013 Engility Holdings, Inc. Engility Corporation 3750 Centerview Drive Chantilly, Virginia 20151 Ladies and Gentlemen: You have advised Bank of America, N.A. (“Bank of America”) and Merrill Lynch, Pierce, Fenner & Smith Incorporated (or

December 23, 2013 EX-2.1

AGREEMENT AND PLAN OF MERGER DATED AS OF DECEMBER 20, 2013 BY AND AMONG DYNAMICS RESEARCH CORPORATION, ENGILITY CORPORATION, ENGILITY SOLUTIONS, INC. TABLE OF CONTENTS Page ARTICLE 1 THE OFFER AND THE MERGER 2 1.1 The Offer. 2 1.2 Company Actions. 4

EX-2.1 Exhibit 2.1 EXECUTION VERSION AGREEMENT AND PLAN OF MERGER DATED AS OF DECEMBER 20, 2013 BY AND AMONG DYNAMICS RESEARCH CORPORATION, ENGILITY CORPORATION, AND ENGILITY SOLUTIONS, INC. TABLE OF CONTENTS Page ARTICLE 1 THE OFFER AND THE MERGER 2 1.1 The Offer. 2 1.2 Company Actions. 4 1.3 Top-Up Option. 5 ARTICLE 2 THE MERGER 7 2.1 The Merger 7 2.2 Effective Time of the Merger 7 2.3 Closing 7

December 23, 2013 EX-99.1

Built for today.

EX-99.1 Exhibit 99.1 Exhibit 99.1 Built for today. Designed for tomorrow. Engility to Acquire Dynamics Research Corporation December 23, 2013 Forward Looking Statements This presentation contains forward-looking statements with respect to the tender offer and related transactions, the expectation that the transaction would be accretive to Engility’s earnings, expectations with respect to synergies

December 23, 2013 EX-10.1

-2-

EX-10.1 Exhibit 10.1 December 20, 2013 Strictly Confidential & Personal Mr. James P. Regan Address 1 Address 2 Re: Letter Agreement – Special Transaction Success Bonus Dear Jim: As you know, Dynamics Research Corporation (the “Corporation”) is currently contemplating strategic alternatives involving potential business combinations pursuant to a process designated as Project Leader. You have been a

December 23, 2013 EX-2.1

AGREEMENT AND PLAN OF MERGER DATED AS OF DECEMBER 20, 2013 BY AND AMONG DYNAMICS RESEARCH CORPORATION, ENGILITY CORPORATION, ENGILITY SOLUTIONS, INC. TABLE OF CONTENTS Page ARTICLE 1 THE OFFER AND THE MERGER 2 1.1 The Offer. 2 1.2 Company Actions. 4

EX-2.1 Exhibit 2.1 EXECUTION VERSION AGREEMENT AND PLAN OF MERGER DATED AS OF DECEMBER 20, 2013 BY AND AMONG DYNAMICS RESEARCH CORPORATION, ENGILITY CORPORATION, AND ENGILITY SOLUTIONS, INC. TABLE OF CONTENTS Page ARTICLE 1 THE OFFER AND THE MERGER 2 1.1 The Offer. 2 1.2 Company Actions. 4 1.3 Top-Up Option. 5 ARTICLE 2 THE MERGER 7 2.1 The Merger 7 2.2 Effective Time of the Merger 7 2.3 Closing 7

December 23, 2013 EX-2.2

TENDER AND VOTING AGREEMENT INCLUDING IRREVOCABLE PROXY COUPLED WITH AN INTEREST

EX-2.2 Exhibit 2.2 TENDER AND VOTING AGREEMENT INCLUDING IRREVOCABLE PROXY COUPLED WITH AN INTEREST This Tender and Voting Agreement, dated as of December 20, 2013 (this “Agreement”), is by and among Engility Corporation, a Delaware corporation (“Parent”), Engility Solutions, Inc., a Massachusetts corporation (“Merger Sub”), and the shareholder of Dynamics Research Corporation, a Massachusetts cor

October 31, 2013 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 30, 2013 DYNAMICS RESEARCH CORPORATION (Exact name of registrant as specified in its charter) Commission File Number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdic

October 31, 2013 EX-99

DRC Reports Third Quarter 2013 Results

EXHIBIT 99.1 DRC Reports Third Quarter 2013 Results Adjusted EBITDA of 9.2 Percent on Revenue of $68 Million Major Homeland Security Contract Wins Highlight Quarter Results 18 Percent Growth in Healthcare Operating Cash Generation at 10.5 Percent of Revenue ANDOVER, Mass., Oct. 30, 2013 (GLOBE NEWSWIRE) - Dynamics Research Corporation (Nasdaq:DRCO), a leading technology and management consulting c

October 31, 2013 10-Q

Quarterly Report - FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2013 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission file number 001-34135 DYNAMI

August 1, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - FORM 8-K FILING DOCUMENT

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 31, 2013 DYNAMICS RESEARCH CORPORATION (Exact name of registrant as specified in its charter) Commission File Number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdictio

August 1, 2013 EX-99

DRC Reports Second Quarter 2013 Results

EXHIBIT 99.1 DRC Reports Second Quarter 2013 Results - Adjusted EBITDA of 7.9 Percent on Revenue of $72 Million - - New Business Pipeline Up 25 Percent Sequentially; $200 Million Awaiting Award - - 11 Percent Growth in Healthcare Revenue - ANDOVER, Mass., July 31, 2013 (GLOBE NEWSWIRE) - Dynamics Research Corporation (Nasdaq:DRCO), a leading technology and management consulting company focused on

June 6, 2013 S-8

- FORM S-8

As filed with the Securities and Exchange Commission on June 6, 2013 Registration No.

June 6, 2013 EX-10.1

2013 INCENTIVE PLAN

EXHIBIT 10.1 2013 INCENTIVE PLAN 1. ADMINISTRATION Subject to the express provisions of the Plan, the Administrator has the authority to interpret the Plan; determine eligibility for and grant Awards; determine, modify or waive the terms and conditions of any Award; prescribe forms, rules and procedures (which it may modify or waive); and otherwise do all things necessary to implement the Plan. On

June 6, 2013 8-K

Submission of Matters to a Vote of Security Holders - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 4, 2013 DYNAMICS RESEARCH CORPORATION (Exact name of registrant as specified in its charter) Commission file number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdiction of Incorporation or organization) (I.

May 2, 2013 EX-10.2

AMENDMENT NO. 4 TO SENIOR SUBORDINATED LOAN AGREEMENT

EXHIBIT 10.2 EXECUTION VERSION AMENDMENT NO. 4 TO SENIOR SUBORDINATED LOAN AGREEMENT THIS AMENDMENT NO. 4, dated as of April 26, 2013 (this "Amendment No. 4"), to that certain Senior Subordinated Loan Agreement referred to below is entered into by and among Dynamics Research Corporation, a Massachusetts corporation (the "Borrower"), the Guarantors, Ares Mezzanine Partners, L.P. (the "Lead Investor

May 2, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 1, 2013 DYNAMICS RESEARCH CORPORATION (Exact name of registrant as specified in its charter) Commission file number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdiction of Incorporation or organization) (I.

May 2, 2013 EX-10.1

AMENDMENT NO. 5 TO CREDIT AGREEMENT

EXHIBIT 10.1 Execution Copy AMENDMENT NO. 5 TO CREDIT AGREEMENT THIS AMENDMENT NO. 5, dated as of April 26, 2013 (this "Amendment No. 5"), to that certain Credit Agreement referred to below is entered into by and among Dynamics Research Corporation, a Massachusetts corporation (the "Borrower"), the Guarantors, each Lender party hereto, and Bank of America, N.A., as administrative agent (in such ca

May 2, 2013 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 26, 2013 DYNAMICS RESEARCH CORPORATION (Exact name of registrant as specified in its charter) Commission file number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdiction of Incorporation or organization) (I.

May 2, 2013 EX-99.1

CONTACTS: Investors: Chris Witty Media: Ilina Dimitrova Darrow Associates, Inc. Sage Communications (for DRC) 646.438.9385 703.531.8256 [email protected] [email protected] ATTACHMENT I DYNAMICS RESEARCH CORPORATION CONDENSED CONSOLIDATED STATEME

DRC Reports First Quarter 2013 Results - Adjusted EBITDA of 8.3 Percent on Revenue of $74 Million - Andover, Mass. - May 1, 2013 - Dynamics Research Corporation (Nasdaq: DRCO), a leading technology and management consulting company focused on driving performance and process improvement for government clients, today announced operating results for the first quarter ended March 31, 2013. Financial R

April 19, 2013 DEFA14A

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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 þ 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

April 19, 2013 DEF 14A

- DEFINITIVE PROXY

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 þ 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)) þ Definitive Proxy State

April 10, 2013 PRE 14A

- PRELIMINARY PROXY STATEMENT

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 þ Filed by a Party other than the Registrant  Check the appropriate box: þ Preliminary Proxy Statement  Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))  Definitive Proxy State

March 5, 2013 8-K/A

Other Events - FORM 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A Amendment No.

March 1, 2013 8-K

Other Events - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 27, 2013 DYNAMICS RESEARCH CORPORATION (Exact name of registrant as specified in its charter) Commission file number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdiction of Incorporation or organization) (I.

February 21, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - FOURTH QUARTER 2012 RESULTS NEWS RELEASE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 31, 2012 DYNAMICS RESEARCH CORPORATION (Exact name of registrant as specified in its charter) Commission file number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdiction of Incorporation or organization) (I.

February 21, 2013 EX-99.1

DRC Reports Fourth Quarter and Year-End 2012 Results --- 2012 Adjusted EBITDA of 9.9 Percent on Revenue of $317 Million --- --- 2012 Free Cash Flow of $23 Million, 7.3 Percent of Revenue --- --- 2012 Debt Repayments of $28 Million Drop Leverage to 3.

DRC Reports Fourth Quarter and Year-End 2012 Results - 2012 Adjusted EBITDA of 9.9 Percent on Revenue of $317 Million - - 2012 Free Cash Flow of $23 Million, 7.3 Percent of Revenue - - 2012 Debt Repayments of $28 Million Drop Leverage to 3.0 Times EBITDA - - Qualified New Business Pipeline of $1.1 Billion, Up 15 Percent In Past 3 Months - Andover, Mass. - February 20, 2013 - Dynamics Research Corp

February 11, 2013 SC 13G

DRCO / Dynamics Research Corp / DIMENSIONAL FUND ADVISORS LP - 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. )* DYNAMICS RESEARCH CORP (Name of Issuer) Common Stock (Title of Class of Securities) 268057106 (CUSIP Number) December 31, 2012 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this S

February 8, 2013 424B3

Dated February 8, 2013

Filed pursuant to Rule 424(b)(3) Registration No. 333-185220 Dated February 8, 2013 PROSPECTUS DYNAMICS RESEARCH CORPORATION Up to 86,458 Shares Dynamics Research Corporation 2000 Employee Stock Purchase Plan Rescission Offer Under the terms and conditions described in this prospectus, we are offering to rescind sales of up to 86,458 shares of our common stock which we sold during the period from

February 6, 2013 CORRESP

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Dynamics Research Corporation Two Tech Drive, Andover MA 01810-2434 Tel: 978/289-1500 www.

February 6, 2013 EX-99.2

Two Tech Drive Andover, Massachusetts 01810 FORM OF RESCISSION OFFER ELECTION FORM , 2013

Exhibit 99.2 Two Tech Drive Andover, Massachusetts 01810 FORM OF RESCISSION OFFER ELECTION FORM , 2013 To: [NAME] [ADDRESS #1] [ADDRESS #2] [CITY, STATE, ZIP] [USA] IDENTIFICATION NUMBER: [UNIQUE IDENTIFICATION NUMBER] YOU MAY ELECT TO ACCEPT OR REJECT THE RESCISSION OFFER. IF YOU WISH TO REJECT THE RESCISSION OFFER, DO NOT RETURN THIS FORM. YOU DO NOT NEED TO DO ANYTHING TO REJECT THE RESCISSION

February 6, 2013 EX-99.1

Two Tech Drive Andover, Massachusetts 01810 , 2013

Exhibit 99.1 Two Tech Drive Andover, Massachusetts 01810 , 2013 Dear 2000 Employee Stock Purchase Plan Participant: This letter and the accompanying document called a "Prospectus" contain important information. We are sending you these materials because you are a current or former participant in the Dynamics Research Corporation 2000 Employee Stock Purchase Plan (the "ESPP") and acquired shares of

February 6, 2013 EX-21.1

DYNAMICS RESEARCH CORPORATION Subsidiaries of the Registrant

Exhibit 21.1 DYNAMICS RESEARCH CORPORATION Subsidiaries of the Registrant Name Jurisdiction DRC International Corporation Massachusetts H.J. Ford Associates, Inc. Delaware High Performance Technologies Innovations, LLC Florida Kadix Systems, LLC Virginia

February 6, 2013 S-1/A

- FORM S-1

As filed with the Securities and Exchange Commission on February 6, 2013 Registration No.

January 24, 2013 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 17, 2013 DYNAMICS RESEARCH CORPORATION (Exact name of registrant as specified in its charter) Commission file number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdiction of Incorporation or organization) (I.

January 11, 2013 EX-99.1

Two Tech Drive Andover, Massachusetts 01810 , 2013

Exhibit 99.1 Two Tech Drive Andover, Massachusetts 01810 , 2013 Dear 2000 Employee Stock Purchase Plan Participant: This letter and the accompanying document called a "Prospectus" contain important information. We are sending you these materials because you are a current or former participant in the Dynamics Research Corporation 2000 Employee Stock Purchase Plan (the "ESPP") and acquired shares of

January 11, 2013 EX-99.2

Two Tech Drive Andover, Massachusetts 01810 FORM OF RESCISSION OFFER ELECTION FORM , 2013

Exhibit 99.2 Two Tech Drive Andover, Massachusetts 01810 FORM OF RESCISSION OFFER ELECTION FORM , 2013 To: [NAME] [ADDRESS #1] [ADDRESS #2] [CITY, STATE, ZIP] [USA] IDENTIFICATION NUMBER: [UNIQUE IDENTIFICATION NUMBER] YOU MAY ELECT TO ACCEPT OR REJECT THE RESCISSION OFFER. IF YOU WISH TO REJECT THE RESCISSION OFFER, DO NOT RETURN THIS FORM. YOU DO NOT NEED TO DO ANYTHING TO REJECT THE RESCISSION

January 11, 2013 S-1/A

- FORM S-1

As filed with the Securities and Exchange Commission on January 11, 2013 Registration No.

January 10, 2013 CORRESP

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NIXON PEABODY LLP ATTORNEYS AT LAW 437 Madison Avenue New York, New York 10022-7001 (212) 940-3000 Fax: (212) 940-3111 Daniel McAvoy Direct Dial: (212) 940-3112 Direct Fax: (866) 260-0650 E-Mail: dmcavoy@nixonpeabody.

January 7, 2013 EX-10.1

AMENDMENT NO. 3 TO SENIOR SUBORDINATED LOAN AGREEMENT

Exhibit 10.1 EXECUTION VERSION AMENDMENT NO. 3 TO SENIOR SUBORDINATED LOAN AGREEMENT THIS AMENDMENT NO. 3 dated as of December 31, 2012 (this "Amendment No. 3") to that certain Senior Subordinated Loan Agreement referred to below is entered into by and among Dynamics Research Corporation, a Massachusetts corporation (the "Borrower"), the Guarantors, Ares Mezzanine Partners, L.P. (the "Lead Investo

January 7, 2013 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 31, 2012 DYNAMICS RESEARCH CORPORATION (Exact name of registrant as specified in its charter) Commission file number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdiction of Incorporation or organization) (I.

January 7, 2013 EX-99.1

DRC Reports Debt Pay Down and Loan Amendments -- Strong Cash Flow Enables $58 Million of Debt Repayment over Past 18 Months --

DYNAMICS RESEARCH CORPORATION TWO TECH DRIVE, ANDOVER, MASSACHUSETTS 01810 TEL.: 978/289-1500 www.drc.com DRC Reports Debt Pay Down and Loan Amendments - Strong Cash Flow Enables $58 Million of Debt Repayment over Past 18 Months - ANDOVER, Mass. — January 7, 2013 — Dynamics Research Corporation (Nasdaq:DRCO), a leading provider of innovative management consulting, engineering, science and technolo

January 7, 2013 EX-10.2

AMENDMENT NO. 4 TO CREDIT AGREEMENT

Exhibit 10-2 Execution Copy AMENDMENT NO. 4 TO CREDIT AGREEMENT THIS AMENDMENT NO. 4, dated as of December 31, 2012 (this "Amendment No. 4"), to that certain Credit Agreement referred to below is entered into by and among Dynamics Research Corporation, a Massachusetts corporation (the "Borrower"), the Guarantors, each Lender party hereto, and Bank of America, N.A., as administrative agent (in such

November 30, 2012 EX-99.1

Two Tech Drive Andover, Massachusetts 01810 , 2012

EX-99.1 6 ex99.1.htm PARTICIPANT LETTER Exhibit 99.1 Two Tech Drive Andover, Massachusetts 01810 , 2012 Dear 2000 Employee Stock Purchase Plan Participant: This letter and the accompanying document called a "Prospectus" contain important information. We are sending you these materials because you are a current or former participant in the Dynamics Research Corporation 2000 Employee Stock Purchase

November 30, 2012 EX-21.1

- SUBSIDIARIES OF DRC

Exhibit 21.1 DYNAMICS RESEARCH CORPORATION Subsidiaries of the Registrant Name Jurisdiction DRC International Corporation Massachusetts H.J. Ford Associates, Inc. Delaware High Performance Technologies, Inc. Florida Kadix Systems, LLC Virginia

November 30, 2012 EX-99.2

Two Tech Drive Andover, Massachusetts 01810 FORM OF RESCISSION OFFER ELECTION FORM , 2013

Exhibit 99.2 Two Tech Drive Andover, Massachusetts 01810 FORM OF RESCISSION OFFER ELECTION FORM , 2013 To: [NAME] [ADDRESS #1] [ADDRESS #2] [CITY, STATE, ZIP] [USA] IDENTIFICATION NUMBER: [UNIQUE IDENTIFICATION NUMBER] YOU MAY ELECT TO ACCEPT OR REJECT THE RESCISSION OFFER. IF YOU WISH TO REJECT THE RESCISSION OFFER, DO NOT RETURN THIS FORM. YOU DO NOT NEED TO DO ANYTHING TO REJECT THE RESCISSION

November 30, 2012 EX-10.28

AMENDMENT NO. 1 TO CREDIT AGREEMENT

Exhibit 10.28 AMENDMENT NO. 1 TO CREDIT AGREEMENT THIS AMENDMENT NO. 1 dated as of September 15, 2011 (this "Agreement") to that certain Credit Agreement referred to below is entered into by and among Dynamics Research Corporation, a Massachusetts corporation (the "Borrower"), the Guarantors party hereto, each Lender party hereto, and Bank of America, N.A., as administrative agent (in such capacit

November 30, 2012 S-1

Registration Statement - FORM S-1

As filed with the Securities and Exchange Commission on November 30, 2012 Registration No.

November 1, 2012 8-K

Financial Statements and Exhibits, Material Impairments, Results of Operations and Financial Condition - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 31, 2012 DYNAMICS RESEARCH CORPORATION (Exact name of registrant as specified in its charter) Commission file number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdiction of Incorporation or organization) (I.

November 1, 2012 EX-99.1

DRC Reports Third Quarter 2012 Results --- Adjusted EBITDA of 11.6 Percent on Revenue of $77 Million --- --- $11.7 Million Free Cash Flow, 15 Percent of Revenue --- --- $125 Million of New Contract Awards and Funded Bookings of $108 Million --- --- G

Exhibit 99.1 DRC Reports Third Quarter 2012 Results - Adjusted EBITDA of 11.6 Percent on Revenue of $77 Million - - $11.7 Million Free Cash Flow, 15 Percent of Revenue - - $125 Million of New Contract Awards and Funded Bookings of $108 Million - - Goodwill Impairment Charge Concluded at $48.6M, $36.6M Third Quarter Charge - Andover, Mass. - October 31, 2012 - Dynamics Research Corporation (Nasdaq:

July 26, 2012 EX-99.1

DRC REPORTS PRELIMINARY SECOND QUARTER 2012 RESULTS --- Company Reports Solid Cash Flow, Bookings and New Business Pipeline; Company Evaluating Possible Goodwill Impairment Charge ---

Exhibit 99.1 DRC REPORTS PRELIMINARY SECOND QUARTER 2012 RESULTS - Company Reports Solid Cash Flow, Bookings and New Business Pipeline; Company Evaluating Possible Goodwill Impairment Charge - Andover, Mass. - July 25, 2012 - Dynamics Research Corporation (Nasdaq: DRCO), a leading provider of innovative management consulting, engineering, science and information technology services and solutions t

July 26, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - FORM 8-K - SECOND QUARTER 2012 RESULTS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2012 DYNAMICS RESEARCH CORPORATION (Exact name of registrant as specified in its charter) Commission file number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdiction of Incorporation or organization) (I.

July 3, 2012 EX-10.2

AMENDMENT NO. 1 TO SENIOR SUBORDINATED LOAN AGREEMENT

EXHIBIT 10.2 EXECUTION AMENDMENT NO. 1 TO SENIOR SUBORDINATED LOAN AGREEMENT THIS AMENDMENT NO. 1 dated as of June 29, 2012 (this “Amendment No. 1”) to that certain Senior Subordinated Loan Agreement referred to below is entered into by and among Dynamics Research Corporation, a Massachusetts corporation (the “Borrower”), the Guarantors, Ares Mezzanine Partners, L.P. (the “Lead Investor”) and each

July 3, 2012 EX-10.1

AMENDMENT NO. 2 TO CREDIT AGREEMENT

EXHIBIT 10.1 EXECUTION AMENDMENT NO. 2 TO CREDIT AGREEMENT THIS AMENDMENT NO. 2 dated as of June 29, 2012 (this “Amendment No. 2”) to that certain Credit Agreement referred to below is entered into by and among Dynamics Research Corporation, a Massachusetts corporation (the “Borrower”), the Guarantors, each Lender party hereto, and Bank of America, N.A., as administrative agent (in such capacity,

July 3, 2012 8-K

Financial Statements and Exhibits, Other Events - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 29, 2012 DYNAMICS RESEARCH CORPORATION (Exact name of registrant as specified in its charter) Commission file number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdiction of Incorporation or organization) (I.

June 19, 2012 EX-3.1

AMENDED AND RESTATED BY-LAWS DYNAMICS RESEARCH CORPORATION Dated June 13, 2012 Section 1. ARTICLES OF ORGANIZATION

AMENDED AND RESTATED BY-LAWS of DYNAMICS RESEARCH CORPORATION Dated June 13, 2012 Section 1.

June 19, 2012 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders - FORM 8-K - ITEM 5.03 AND 5.07

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2012 DYNAMICS RESEARCH CORPORATION (Exact name of registrant as specified in its charter) Commission file number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdiction of Incorporation or organization) (I.

April 27, 2012 PRE 14A

- PRE 14A

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 þ Filed by a Party other than the Registrant  Check the appropriate box: þ Preliminary Proxy Statement  Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))  Definitive Proxy State

April 25, 2012 EX-99.1

DRC Reports First Quarter 2012 Results

Exhibit 99.1 News Release DYNAMICS RESEARCH CORPORATION TWO TECH DRIVE, ANDOVER, MASSACHUSETTS 01810-2434 TEL. 978/289-1500 www.drc.com DRC Reports First Quarter 2012 Results Andover, Mass. – April 24, 2012 – Dynamics Research Corporation (Nasdaq: DRCO), a leading provider of innovative management consulting, engineering, science and information technology services and solutions to federal and sta

April 25, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - FORM 8-K - FIRST QUARTER 2012 RESULTS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 24, 2012 DYNAMICS RESEARCH CORPORATION (Exact name of registrant as specified in its charter) Commission file number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdiction of Incorporation or organization) (I.

April 20, 2012 DEFA14A

- 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 Filed by the Registrant þ 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

April 20, 2012 DEF 14A

- DEF 14A

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 þ Filed by a Party other than the Registrant  Check the appropriate box: þ Preliminary Proxy Statement  Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))  Definitive Proxy State

February 23, 2012 EX-99.1

DRC REPORTS FOURTH QUARTER AND YEAR-END 2011 RESULTS

Exhibit 99.1 News Release DYNAMICS RESEARCH CORPORATION TWO TECH DRIVE, ANDOVER, MASSACHUSETTS 01810-2434 TEL. 978/289-1500 www.drc.com DRC REPORTS FOURTH QUARTER AND YEAR-END 2011 RESULTS - Fourth Quarter Revenue Up 26 Percent – - Continued Strong Cash Flow Driving Rapid Debt Reduction - Andover, Mass. – February 22, 2012 – Dynamics Research Corporation (Nasdaq: DRCO), a leading provider of innov

February 23, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - FORM 8-K - FOURTH QUARTER 2011 RESULTS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 22, 2012 DYNAMICS RESEARCH CORPORATION (Exact name of registrant as specified in its charter) Commission file number 001-34135 MASSACHUSETTS 04-2211809 (State or other jurisdiction of Incorporation or organization) (I.

October 17, 2011 CORRESP

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DYNAMICS RESEARCH CORPORATION Two Tech Drive Andover, Massachusetts 01810 October 17, 2011 VIA EDGAR AND OVERNIGHT COURIER Securities and Exchange Commission 100 F Street, N.

October 7, 2011 CORRESP

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October 7, 2011 VIA EDGAR Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Attention: Patrick Gilmore, Accounting Branch Chief Jennifer Fugario, Staff Accountant Division of Corporation Finance Re: Dynamics Research Corporation. Form 10-K for Fiscal Year Ended December 31, 2010 Filed February 28, 2011 Form 8-K/A Filed September 16, 2011 File No. 001-34135 Dear Mr. Gilmo

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