Marc Ecko Enterprises Expands SPSS Deployment for Brand Performance Analysis

CHICAGO, 03/20/06 — SPSS Inc. (NASDAQ: SPSS), a leading worldwide provider of predictive analytics software, today announced that Marc Ecko Enterprises has purchased additional SPSS predictive analytic technology to help analyze brand performance at a retail level. As Marc Ecko Enterprises has achieved significant success using SPSS to analyze its various apparel brands at a wholesale level, implementing additional SPSS software will enable the global fashion and lifestyle company to gain a new perspective on brand management.

Founded in 1993, Marc Ecko Enterprises evolved from a collection of six T-shirts and a can of spray paint, to a full-scale global fashion and lifestyle company that reported international retail sales of approximately $1.2 billion in 2005. Brand names under Marc Ecko Enterprises include ecko unltd., the world famous rhino brand; Marc Ecko “Cut & Sew,” a contemporary menswear line launched Fall 2004; G-Unit® clothing and accessories, a joint venture with multi-platinum musician, 50 Cent; Zoo York®, a line of action sports-inspired clothing and accessories; and Avirex, a recently acquired mid-tier sportswear collection.

Marc Ecko Enterprises has chosen additional SPSS software to analyze brand performance at a retail level, giving the organization a complete view of key business metrics and customer trends.

“SPSS has become critical to all aspects of our company, from the design of our various lines to the way our sales team goes to market,” said Mark Faber, Senior Vice President of Business Solutions, Marc Ecko Enterprises. “With SPSS, we’re able to identify key growth areas and gain a competitive edge with our customers.”

“Fashion retailers need to feel the pulse of tomorrow, while monitoring the successes of today,” said SPSS President and CEO Jack Noonan. “SPSS predictive analytics will help Marc Ecko Enterprises obtain valuable new insights on brand performance and project retail trends of the future.”

Sixteen of the top 20 retailers worldwide use SPSS software.

About Marc Ecko Enterprises

The youngest member of the Council of Fashion Designers of America’s board of directors, Marc Ecko is founder of *ecko unltd., the world famous rhino brand. In eleven years since its creation in 1993, the group of companies that comprise Marc Ecko Enterprises has grown to include: *ecko unltd.® men’s and Eckored® women’s apparel, as well as outerwear, footwear, watches, eyewear, underwear, belts, bags, hats, small leather goods, formalwear and more.

Marc Ecko Enterprises also includes Marc Ecko “Cut & Sew” (a contemporary menswear line launched Fall 2004); G-Unit® clothing and accessories (a joint venture with multi-platinum musician, 50 Cent); Zoo York® (a line of action sports-inspired clothing and accessories); and Avirex® Sportswear Collection (a mid-tier brand launched Spring 2005). The company also publishes Complex® magazine, a men’s consumer magazine with a rate base of 330,000, and is developing Marc Ecko’s Getting Up: Contents Under Pressure™, the first truly authentic video game based on urban culture and graffiti art launched February 2006. *ecko unltd. products are available in over 5,000 stores domestically and in over 45 countries internationally, as well as through 38 of its own retail stores across the country. For additional information, please visit www.marceckoenterprises.com.

About SPSS Inc.

SPSS Inc. (NASDAQ: SPSS) is a leading worldwide provider of predictive analytics software and solutions. The company’s predictive analytics technology connects data to effective strategic action by drawing reliable conclusions about current conditions and critical future events. More than 250,000 commercial, academic and public sector customers rely on SPSS technology to help increase revenue, reduce costs, improve important processes and detect and prevent fraud. More than 95 percent of the Fortune 1000 companies are SPSS customers. Founded in 1968, SPSS is headquartered in Chicago, Illinois. For additional information, please visit www.spss.com.

SafeHarborStatement

This press release contains forward-looking information made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward looking statements can be identified by phrases such as “anticipates,” “believes,” “estimates,” “expects,” “plans,” “intends,” “could,” “designed,” “should be” and other similar expressions which denote expectations of future events rather than statements of fact. These forward-looking statements involve factors that are subject to risks and uncertainties. These risks and uncertainties, which may not be currently ascertainable and many of which are beyond the Company’s control, may cause the Company’s actual results, performance or achievements to be materially different than the results, performance or achievements expressed in or implied by the forward-looking statements. These risks and uncertainties are described in the Company’s filings with the Securities and Exchange Commission (“SEC”). Copies of these filings are available either on the SEC’s website at www.sec.gov or from the Company’s investor relations department. In light of these risks and uncertainties, the inclusion of forward-looking statements in this press release should not be regarded as a representation by the Company that any future results, performance or achievements will be attained. These forward-looking statements speak only as of the date on which they are made. The Company assumes no obligation to update the forward-looking statements contained in this press release.

Contact Information

Bob Reczek

Corporate Communications Manager

SPSS Inc.

Contact via E-mail