POWER OF ATTORNEY

       Know all by these presents, that the undersigned hereby constitutes and appoints

each of George L. Rose and Thomas Tippl, signing singly, the undersigned's true and

lawful attorney-in-fact to:

(1) execute for and on behalf of the undersigned, in the undersigned's capacity as an

officer of Activision, Inc. (the "Company"), Forms 3, 4, and 5 in accordance with

Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;

(2) do and perform any and all acts for and on behalf of the undersigned which may be

necessary or desirable to complete and execute any such Form 3, 4, or 5, complete and

execute any amendment or amendments thereto, and timely file such form with the

United States Securities and Exchange Commission and any stock exchange or similar

authority; and

(2) take any other action of any type whatsoever in connection with the foregoing which,

in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or

legally required by, the undersigned, it being understood that the documents executed by

such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney

shall be in such form and shall contain such terms and conditions as such attorney-in-fact

may approve in such attorney-in-fact's discretion.

       The undersigned hereby grants to each such attorney-in-fact full power and authority

to do and perform any and every act and thing whatsoever requisite, necessary, or proper

to be done in the exercise of any of the rights and powers herein granted, as fully to all

intents and purposes as the undersigned might or could do if personally present, with full

power of substitution or revocation, hereby ratifying and confirming all that such

attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully do or

cause to be done by virtue of this power of attorney and the rights and powers herein

granted.  The undersigned acknowledges that the foregoing attorneys-in-fact, in serving

in such capacity at the request of the undersigned, are not assuming, nor is the Company

assuming, any of the undersigned's responsibilities to comply with Section 16 of the

Securities Exchange Act of 1934.

       This Power of Attorney shall remain in full force and effect until the undersigned is

no longer required to file Forms 3, 4, and 5 with respect to the undersigned's holdings of

and transactions in securities issued by the Company, unless earlier revoked by the

undersigned in a signed writing delivered to the foregoing attorneys-in-fact.

       IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be

executed as of this 4th day of July, 2008.



/s/ Frederic Crepin

Frederic Crepin



1

C057331/0153309/1343128.11

C057331/0153309/1343128.1



2

C057331/0153309/1343128.12

C057331/0153309/1343128.1