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Law Offices of Howard G. Smith Announces Investigation of S1 Corporation

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^{Published in Science and Technology on Tuesday, July 26th 2011 at 10:05 GMT by Market Wire}  

BENSALEM, Pa.--([ BUSINESS WIRE ])--Law Offices of Howard G. Smith announces that it is investigating potential claims against the Board of Directors of S1 Corporation (aS1a or the aCompanya) (NASDAQ:SONE) related to the Companya™s agreement to be acquired by ACI Worldwide, Inc. in a proposed transaction where S1 shareholders will receive $9.50 per share of S1 stock.

The investigation concerns whether the Board of Directors of S1 breached their fiduciary duties to stockholders by failing to adequately shop the Company before agreeing to enter into the proposed transaction, and whether the Company has disclosed all material information to shareholders about the transaction. The Company has seen substantial recent growth. Further, at least one analyst has set a target price for the Companya™s stock at $13.00.

If you are a shareholder of S1, if you have information or would like to learn more about these claims, or if you wish to discuss these matters or have any questions concerning this announcement or your rights or interests with respect to these matters, please contact Howard G. Smith, Esquire, of Law Offices of Howard G. Smith, 3070 Bristol Pike, Suite 112, Bensalem, Pennsylvania 19020 by telephone at (215) 638-4847, Toll Free at (888) 638-4847, or by email to [ howardsmith@howardsmithlaw.com ], or visit our website at [ http://www.howardsmithlaw.com ].