Press Release

Sterling Savings Bank Consolidates Online Business Banking with ACI Worldwide

May 19, 2008
Sterling Savings Bank Consolidates Online Business Banking with ACI Worldwide

“Enterprise Banker provides a unique product that targets a growing need at Sterling Savings Bank,” said Jeanette Manning, vice president and director of central banking services for Sterling Savings Bank.  “With ACI’s solution, we will be able to support all customers, across multiple markets, from a single platform.”  

Lavon Kordash, assistant vice president and online product leader for Sterling’s corporate product management, added, “Enterprise Banker gracefully accommodates the needs of business customers from micro to large corporate, while its best-of-breed functionality will help us to compete effectively and win business relationships.”

“Enterprise Banker gives Sterling Savings Bank a significant competitive advantage by allowing its online banking system to seamlessly grow with its customers as their needs change,” said Ralph Dangelmaier, president of the Americas at ACI Worldwide.  “With Enterprise Banker, Sterling can quickly and easily adjust the configuration to meet customers' evolving requirements.  The bank can easily add or enhance services on the existing Enterprise Banker customer platform without requiring that their customer migrate to a new system when their business needs change.  Enterprise Banker gives customers nearly immediate access to new services, enhancing the user experience, strengthening client relationships and increasing fee income.”

About Sterling Financial Corporation
Sterling Financial Corporation of Spokane, Washington, is a bank holding company, of which the principal operating subsidiaries are Sterling Savings Bank and Golf Savings Bank. Sterling Savings Bank is a Washington State-chartered, federally insured commercial bank, which opened in April 1983 as a stock savings and loan association.  Sterling Savings Bank, based in Spokane, Washington, has financial service centers throughout Washington, California, Oregon, Idaho and Montana.  Through Sterling Savings Bank's wholly owned subsidiaries, Action Mortgage Company and INTERVEST-Mortgage Investment Company, it operates loan production offices in Washington, Oregon, Idaho, Montana, Utah, Arizona and California.  Visit Sterling's website at www.sterlingfinancialcorporation-spokane.com.  
About ACI Worldwide, Inc.

ACI Worldwide is a leading provider of electronic payments software and services to major banks, retailers and processors around the world.  The company's solutions enable online payment processing, online banking, fraud prevention and detection, and back office services such as settlement, account management, card management and dispute processing.  ACI solutions provide market-leading levels of reliability, manageability and scale to over 800 customers in 88 countries.  Visit ACI Worldwide at www.aciworldwide.com

Any statements in this press release regarding projected results are preliminary and "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995.  In addition, this press release may contain other forward-looking statements including statements regarding ACI Worldwide Incorporated, its subsidiaries or third parties’ expectations, predictions, views, opportunities, plans, strategies, beliefs, and statements of similar effect.  The forward-looking statements in this press release are subject to a variety of risks and uncertainties.  Actual results could differ materially. 

For a detailed discussion of these risk factors, parties that are relying on the forward-looking statements should review the Company's filings with the Securities and Exchange Commission, including the Company's Form 10-K filed on January 30, 2008, the Company’s Form 10-Q filed on February 19, 2008, both as amended by the Form 10-K/A and Form 10-Q/A, respectively, filed on March 4, 2008.

Investor Contacts

John Kraft, Head of Strategy & Finance
Email: john.kraft@aciworldwide.com

Global Headquarters:
ACI Worldwide
2811 Ponce de Leon Blvd, PH1
Coral Gables, FL 33134