Exhibit 5.2 INVESTOR RIGHTS AGREEMENT THIS INVESTOR RIGHTS AGREEMENT, dated as of August 10, 2001, between Travelers Insurance Company, a Connecticut corporation (the "Holder"), and On2 Technologies, Inc., a Delaware corporation (the "Company")....Investor Rights Agreement • August 23rd, 2001 • On2 Technologies Inc • Mortgage bankers & loan correspondents • New York
Exhibit 5.1 ON2 TECHNOLOGIES, INC. PREFERRED STOCK SUBSCRIPTION AGREEMENT THIS PREFERRED STOCK SUBSCRIPTION AGREEMENT (this "AGREEMENT") is entered into as of August 10, 2001, by and among On2 Technologies, Inc., a Delaware corporation (the...Preferred Stock Subscription Agreement • August 23rd, 2001 • On2 Technologies Inc • Mortgage bankers & loan correspondents • New York
