Wall Street Reporter Interviews Paul R. Ryan, Chairman and CEO of Acacia Research Corp

Business Wire, July 5, 2001

Business Editors

PASADENA, Calif.--(BUSINESS WIRE)--July 5, 2001

Acacia Research Corp. (Nasdaq:ACRI) today announced that Paul R. Ryan, chairman and chief executive officer of Acacia Research, has been featured in an interview by the Wall Street Reporter.

Ryan discussed the strategy and vision of the company, as well as an important strategic alliance that was recently signed between its majority-owned subsidiary, CombiMatrix Corp., and Roche Diagnostics.

The interview was conducted Thursday, July 3, at 10:30 a.m. (PDT) by Wall Street Reporter Senior Analyst, Levent Tuner, and is currently available for viewing at the Wall Street Reporter Web site, www.wallstreetreporter.com. The audio file is also available on Acacia's Web site at www.acaciaresearch.com/index_pressroom.html.> Wall Street Reporter is a leading information source for professional investors seeking successful new investment ideas. Their in-depth interviews of CEOs with leading public companies are geared toward sophisticated investors who seek an unbiased, unscripted, first-hand perspective that enables them to make informed investment decisions.

The interview can be found at www.wallstreetreporter.com by clicking on the CEO Interviews link; interviews are listed in alphabetical order. The interview is currently featured on the Wall Street Reporter's home page under "TODAY'S CEO INTERVIEWS."

For more information on Acacia Research visit the company's Web site at www.acaciaresearch.com.

About Acacia Research

Acacia Research develops and operates life science and enabling technology companies. The company's core technology opportunity has been developed through its subsidiary, CombiMatrix Corp. Acacia Research intends to build and acquire companies in the life science and material science fields that will utilize CombiMatrix's biochip technology. Acacia Research's Web site is located at www.acaciaresearch.com.