UNITED STATES DISTRICT COURT

FOR THE DISTRICT OF COLUMBIA

UNITED STATES OF AMERICA,

Plaintiff,

v.

COOKSON GROUP PLC,

COOKSON AMERICA INC.,

FOSECO METALLURGICAL INC., and

FOSECO PLC,

Defendants.

CASE NO.: 1:2008CV00389

JUDGE: Hon. R.M. Urbina

DECK TYPE: Antitrust

DATE STAMPED: May 22, 2008

CERTIFICATE OF SERVICE

I, Leslie D. Peritz, hereby certify that on May 22, 2008, I caused a copy of the foregoing Certificate of Compliance with Provisions of the Antitrust Procedures and Penalties Act and the Motion and Memorandum of the United States For Entry of Final Judgment with the attached proposed Final Judgment to be served on defendants COOKSON PLC, COOKSON AMERICA INC., FOSECO METALLURGICAL INC., and FOSECO PLC by mailing the documents electronically to the duly authorized legal representatives of each defendant, as follows:

Counsel for COOKSON GROUP PLC and	Counsel for FOSECO METALLURGICAL COOKSON AMERICA INC.:	INC . and FOSECO PLC:

Thomas A. McGrath, Esquire	Anthony Swisher, Esquire

Linklaters LLP	Akin Gump Strauss Hauer & Feld LLP

1345 Avenue of the Americas	1333 New Hampshire Avenue, N.W.

New York, New York 10105	Washington, DC 20036

(212)903-9140	(202) 887-4263

____/s/________________________

Leslie D. Peritz

PA Bar No. 87539

U.S. Department of Justice

Antitrust Division

1401 H Street, N.W., Suite 3000

Washington, D.C. 20530

(202) 307-0924