Press Release Details

Activision to Join NASDAQ-100 Index

December 12, 2005 at 12:00 AM EST

SANTA MONICA, Calif., Dec 12, 2005 /PRNewswire-FirstCall via COMTEX News Network/ -- Activision, Inc. (Nasdaq: ATVI) today announced that the company will be added to the NASDAQ-100 Index(R) effective from the beginning of trading on December 19, 2005. Shares of Activision will be included in the NASDAQ-100 Index Tracking Stock(R).

The NASDAQ-100 is composed of the largest non-financial stocks listed on The NASDAQ Stock Market(R) based on market capitalization. The index reflects companies across major industry groups, including computer hardware and software, retail/wholesale trade, telecommunications and biotechnology.

Headquartered in Santa Monica, California, Activision, Inc. is a leading worldwide developer, publisher and distributor of interactive entertainment and leisure products. Founded in 1979, Activision posted net revenues of $1.4 billion for the fiscal year ended March 31, 2005.

Activision maintains operations in the U.S., Canada, the United Kingdom, France, Germany, Italy, Japan, Australia, Scandinavia and the Netherlands. More information about Activision and its products can be found on the company's World Wide Web site, which is located at

The statements made in this press release that are not historical facts are "forward-looking statements." These forward-looking statements are based on current expectations and assumptions that are subject to risks and uncertainties. The Company cautions readers of this press release that a number of important factors could cause Activision's actual future results to differ materially from those expressed in any such forward-looking statements. Such factors include, without limitation, product delays, retail acceptance of our products, industry competition, rapid changes in technology and industry standards, protection of proprietary rights, maintenance of relationships with key personnel, vendors and third-party developers, international economic and political conditions, integration of recently acquired subsidiaries and identification of suitable future acquisition opportunities. These important factors and other factors that potentially could affect the Company's financial results are described in our filings with the Securities and Exchange Commission, including the Company's most recent Annual report on Form 10-K and Quarterly Report on Form 10-Q. Readers of this press release are referred to such filings. The Company may change its intention, belief or expectation, at any time and without notice, based upon any changes in such factors, in the Company's assumptions or otherwise. The Company undertakes no obligation to release publicly any revisions to any forward-looking statements to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

SOURCE Activision, Inc.

Ashley Dyer, Sr. Manager, Corporate Communications, +1-310-255- 2548,, or Kristin Mulvihill Southey, Vice President, Investor
Relations, +1-310-255-2635,, both of Activision, Inc.

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