SCHEDULE 13G
EXHIBIT A
RELEVANT SUBSIDIARIES AND MEMBERS OF FILING GROUP
PARENT HOLDING COMPANIES OR CONTROL PERSONS:
Warren E. Buffett (an individual who may be deemed to control Berkshire Hathaway Inc.)
Berkshire Hathaway Inc.
INSURANCE COMPANIES AS DEFINED IN SECTION 3(a)(19) OF THE ACT:
National Indemnity Company
Berkshire Hathaway International Insurance Ltd.
Mount Vernon Fire Insurance Company
National Fire & Marine Insurance Company
Note: No Common Stock of Activision Blizzard, Inc. is held directly by Berkshire Hathaway Inc. or by Warren E. Buffett, an individual who may be deemed to control Berkshire Hathaway Inc. 772,000 shares or approximately 0.1% of Common Stock of Activision Blizzard, Inc. are held directly by NRG America Holding Company, which is not a person specified in Rule 13d-1(b)(1)(ii)(A) through (J).
