TRANSACTION AGREEMENT by and among ACI WORLDWIDE, INC., ANTELOPE INVESTMENT CO. LLC and S1 CORPORATION Dated as of October 3, 2011Transaction Agreement • October 3rd, 2011 • S1 Corp /De/ • Services-computer programming, data processing, etc. • New York
Contract Type FiledOctober 3rd, 2011 Company Industry JurisdictionThis TRANSACTION AGREEMENT (this “Agreement”) is made and entered into as of October 3, 2011 by and among ACI Worldwide, Inc., a Delaware corporation (“Parent”), Antelope Investment Co. LLC, a Delaware limited liability company and a wholly owned indirect Subsidiary of Parent (“Merger Sub”), and S1 Corporation, a Delaware corporation (the “Company”). Capitalized terms in this Agreement shall have the meanings ascribed to them as provided in Section 1.1.