UNITED STATES OF AMERICA,                   Plaintiff,                   v. THE THOMSON CORPORATION, and    REUTERS GROUP PLC                   Defendants.

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CASE NO.: 1:08-cv-00262 Assigned To: Hogan, Thomas F. Assign. Date: 02/19/2008 Description: Antitrust

CERTIFICATE OF SERVICE

I hereby certify that on February 19, 2008, I caused copies of the

• Complaint;
• [proposed] Final Judgment;
• Competitive Impact Statement;
• Asset Preservation Stipulation and Order;
• Stipulated Motion To Place Schedules 2, 3, And 4 To The Proposed Final Judgment Under Seal;
• [Proposed] Order Placing Schedules 2, 3, And 4 To The Proposed Final Judgment Under Seal;
• Notice Of Filing Under Seal;
• Plaintiff United States' Memorandum Concerning Tunney Act Procedures Required Before Entry Of Final Judgment;
• Civil Cover Sheet; and
• Certificate Of Service

to be served by U.S. mail and electronic mail on the following duly authorized legal representatives of the Defendants in this matter:

Counsel for Defendant The Thomson Corporation
Beau W. Buffier, Esq.
Shearman & Sterling LLP
599 Lexington Avenue
New York, New York 10022
(212) 848-4843
bbuffier@shearman.com

Counsel for Defendant Reuters Group PLC
Lee K. Van Voorhis, Esq.
Weil, Gotshal & Manges LLP
1300 I Street, NW
Washington, D.C. 20005
(202) 682-7272
lee.vanvoorhis@weil.com

Dated: February 19, 2008

FOR PLAINTIFF UNITED STATES OF AMERICA _______________/s/________________ Robert P. Mahnke Networks and Technology Enforcement Section United States Department of Justice Antitrust Division 600 E Street, N.W., Suite 9500 Washington, D.C. 20530 (202) 307-6200