Unica Named to Software Magazine's 26th Annual Software 500

Waltham, MA – October 27, 2008 - Unica Corporation (Nasdaq: UNCA), a leading global provider of enterprise marketing management (EMM) solutions, today announced its inclusion on Software Magazine’s 26th Annual Software 500 ranking of the world’s largest software and service providers. Unica was ranked 205 overall.

“The 2008 Software 500 results show that revenue growth in the software and services industry was healthy, with total Software 500 revenue of $451.8 billion worldwide for 2007 representing 14.7% growth from the previous year,” said John P Desmond, editor of Software Magazine and Softwaremag.com. “The Software 500 is a reference of vendor viability for CIOs, senior IT managers and IT staff.”

“We are honored to be recognized by Software Magazine as one of the world’s largest software companies; this marks Unica’s seventh consecutive year of being named to the prestigious Software 500,” said Yuchun Lee, CEO of Unica. Our inclusion is great validation of our continued global growth and demand for interactive marketing solutions.”

The Software 500 is a revenue-based ranking of the world’s largest software and services suppliers targeting medium to large enterprises, their IT professionals, software developers and business managers involved in software and services purchasing. The ranking is based on total worldwide software and services revenue for 2007. The financial information was gathered by a survey prepared by King Content Co. and posted at www.Softwaremag.com, as well as from public documents.

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 Affinium® software streamlines the entire marketing process from analysis and planning to project management, execution and measurement. More than 600 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 2008 Unica Corporation. Unica, the Unica logo, Affinium, 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, 2007 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:
Anne Mathewson
Greenough Communications
617-275-6528 
amathewson@greenoughcom.com