On2 Technologies Announces Date for Second Quarter 2009 Financial Results Release and Conference Call

Investor Conference Call Scheduled for 5:00 p.m. ET, Thursday, August 6.

CLIFTON PARK, N.Y., -- On2 Technologies (NYSE Amex: ONT), a leader in video compression solutions, announced that it will report financial results for the second quarter ended June 30, 2009, after market close on Thursday, August 6, 2009. Management will host a conference call and webcast to review the results and discuss other developments in the business.

Both the conference call and live webcast will begin at 5:00 p.m. ET. The earnings release and related financial information to be discussed during the call will be available on the Company's website at http://www.on2.com/index.php?480

What: On2 second quarter 2009 financial results conference
call
When: Thursday, August 6, 2009
Time: 5:00 p.m. ET
Live Call: (877) 407-9210, domestic
(201) 689-8049, international
Replay: (877) 660-6853
(201) 612-7415
Replay Passcodes: Account #: 286
Conference ID #: 329419
Webcast: http://www.investorcalendar.com/IC/CEPage.asp?ID=148129
(live and replay)
The webcast will be available until August 13, 2009.

About On2 Technologies

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.