Louis Hernandez, Jr. Joins Unica Board of Directors

Market Wire, May, 2009

Unica Corporation (NASDAQ: UNCA), a leading global provider of enterprise marketing management ( EMM ) solutions, today announced that Louis Hernandez, Jr., chairman of the board and chief executive officer of Open Solutions Inc., has been elected to the company's board of directors.

In addition to his leadership duties at Open Solutions, Hernandez, a highly regarded technology executive, serves on the board of HSBC North America Holdings Inc., the North American holding company for the consumer lending arm and principal banking subsidiaries in the U.S. and Canada of one of the largest banking and financial services organizations in the world. He also serves on the board of directors of HSBC USA Inc., an indirectly-held wholly-owned subsidiary of HSBC North America Holdings Inc. and one of the 10 largest bank holding companies in the U.S. by assets, and its principal subsidiary, HSBC Bank USA, N.A. Mr. Hernandez also serves on the board of Avid Technology Inc. (NASDAQ: AVID). Additionally, he has served in numerous governor-appointed executive roles on key economic and technology boards in Connecticut, as vice chair of the Governor's Council on Economic Competitiveness and Technology, as chair of the Connecticut Technology Council, and as vice chair of the Commission for Educational Technology.

"Unica is in an enviable leadership position with a strong value proposition; the company's breadth of innovative interactive marketing solutions and long-term vision have them poised for continued success in a constantly evolving industry," said Louis Hernandez. "I am excited to provide executive guidance to Unica as it furthers its technology development and expands its global reach."

"Louis brings a tremendous skill set to our board. His experience of leading a large technology company will complement our organization," said Yuchun Lee, CEO of Unica. "We're excited to welcome Louis onto an already strong board that's now even stronger; he will certainly be an asset to Unica."

About Unica

Unica Corporation (NASDAQ: UNCA) is a leading global provider of enterprise marketing management (EMM) software and services. The most comprehensive EMM suite on the market today, Unica's marketing management solutions streamline the entire marketing process from analysis and planning to project management, execution and measurement. More than 800 companies worldwide depend on Unica for their enterprise marketing management solution.

Unica is headquartered in Waltham, Massachusetts with offices around the globe. For more information, visit www.unica.com .

Note to Editors: Copyright 2009 Unica Corporation. Unica, the Unica logo, MarketingCentral and NetInsight are registered trademarks of Unica Corporation. All other product names, service marks, and trademarks mentioned herein are trademarks of their respective owners.

Forward-looking Statements

The information provided in this press release above contains forward-looking statements that relate to future events and future financial performance of Unica. These forward-looking statements are based upon Unica's historical performance and its current plans, estimates and expectations and are not a representation that such plans, estimates, or expectations will be achieved. These forward-looking statements represent Unica's expectations as of the date of this press announcement. Subsequent events may cause these expectations to change; and Unica disclaims any obligation to update or revise the forward-looking statements in the future. Matters subject to forward-looking statements involve known and unknown risks and uncertainties, including those listed in the Annual Report on Form 10-K for the fiscal year ended September 30, 2008 under "Risk Factors," which could cause Unica's performance or achievements to be materially different from those expressed or implied by the forward-looking statements.

Contacts: Dan Ring Unica 781-487-8641 dring@unica.com