X0303 4 2010-08-31 0000718877 Activision Blizzard, Inc. ATVI 0001412477 Weiser Ann C/O ACTIVISION BLIZZARD, INC. 3100 OCEAN PARK BOULEVARD SANTA MONICA CA 90405 0 1 0 0 Chief Human Resources Officer Common Stock, par value $0.000001 per share 2010-08-31 4 F 0 5502 10.675 D 124708 D On August 31, 2010, 15,000 restricted stock units held by Ms. Weiser vested. Pursuant to the terms of her restricted stock unit award, she elected to have the Company withhold 5,502 of the shares otherwise deliverable to her in order to satisfy the resulting tax withholding obligation. Following the transactions reported on this Form 4, Ms. Weiser held (a) 24,708 shares of the Company's common stock and (b) 100,000 restricted stock units, each representing the right to receive one share of the Company's common stock. /s/ Ann E. Weiser 2010-09-02