On2 and Google Announce Exchange Ratio for On2 Merger

CLIFTON PARK, NY and MOUNTAIN VIEW, Calif. (December 16, 2009) - On2 Technologies, Inc. (NYSE Amex: ONT) and Google Inc. (NASDAQ: GOOG) jointly announced today that the exchange ratio, or the fraction of a share of Google Class A Common Stock to be issued for each share of On2 Common Stock in connection with Google's proposed acquisition of On2, will be 0.0010. Any fractional share of Google Class A Common Stock (after aggregating all fractional shares of Google Class A Common Stock issuable to an On2 stockholder) resulting from the exchange of On2 Common Stock for Google Class A Common Stock will be paid out in a cash amount (rounded to the nearest whole cent), without interest, determined by multiplying such fraction by the trading price, as defined below. The exchange ratio was determined by dividing $0.60 per share by the trading price, which is defined in the merger agreement as the volume weighted average trading price of a share of Google Class A Common Stock based on the sales price of every share of Google Class A Common Stock traded during the 20 trading-day period ending on and including the second trading day prior to the date of the special meeting of On2's stockholders to consider and vote on the proposed merger. The special meeting of On2's stockholders is scheduled for Friday, December 18, 2009 at 4:00 p.m. EST.

About On2 Technologies, Inc.

On2 (NYSE Amex: ONT) creates advanced video compression technologies that power the video in today's leading desktop and mobile applications and devices. On2 customers include Adobe, Skype, Nokia, Infineon, Sun Microsystems, Mediatek, Sony, Brightcove, and Move Networks. On2 Technologies is headquartered in Clifton Park, NY USA. For more information, visit www.on2.com or www.on2.cn.

About Google Inc.

Google's innovative search technologies connect millions of people around the world with information every day. Founded in 1998 by Stanford Ph.D. students Larry Page and Sergey Brin, Google today is a top web property in all major global markets. Google's targeted advertising program provides businesses of all sizes with measurable results, while enhancing the overall web experience for users. Google is headquartered in Silicon Valley with offices throughout the Americas, Europe and Asia. For more information, visit www.google.com.