Exhibit C
VIA ELECTRONIC MAIL AND OVERNIGHT MAIL
August 1, 2013
Ms. Alinka Flaminia
Vice President, General Counsel and Corporate Secretary
PMC – Sierra, Inc.
1380 Bordeaux Drive
Sunnyvale, CA 94089
Re: Board Nominee Election
Dear Alinka:
Pursuant to the letter agreement (“Agreement”) dated January 10, 2013 between PMC-Sierra, Inc. (the “Company”) and Relational Investors LLC (“Investor”) and each of the other individuals and entities set forth on the signatures pages thereto (the “Investor Affiliates,” and together with Investor, the Investor Affiliates, and the Affiliates and Associates and each of the foregoing, the “Investor Group”), the Investor Group hereby requests the Board of Directors of the Company appoint Kirt Karros to serve as a director in accordance with the terms of the Agreement.
Sincerely,
Principal and Managing Director