CERTIFICATE OF SERVICE

I hereby certify that on January 24, 2008, I caused a copy of the foregoing Complaint,

proposed Final Judgment, Competitive Impact Statement, Hold Separate Stipulation and Order,

and Plaintiff United States' Explanation of Consent Decree Procedures to be served on the duly authorized legal representatives of the Defendants in this matter in the manner set forth below:

By U.S mail and electronic mail:

Counsel for Defendants Pearson plc and Pearson Education Inc.

Harry T. Robins, Esq.

Morgan, Lewis & Bockius, LLP

101 Park Avenue

New York, New York 10178

(212) 309-6728

hrobins@morganlewis.com

Counsel for Defendants Reed Elsevier PLC, Reed Elsevier NV, and Harcourt Assessment Inc.

Robert A Lipstein, Esq.

Crowell & Moring LLP

1001 Pennsylvania Avenue, NW

Washington, D.C. 20004

(202) 624-2630

rlipstein@crowell.com

For Plaintiff United States:

/s/

Damon J. Kalt, Esq.

United States Department of Justice

Antitrust Division

Networks and Technology Enforcement Section

600 E Street, NW, Suite 9500

Washington, DC 20530

(202) 307-6164