Acacia Research Corporation (Nasdaq:ACTG)(Nasdaq:CBMX) announced today that its Acacia Technologies group, a leader in technology licensing, has named Marc Frechette and James Trueman as Vice Presidents.

Paul Ryan, Acacia Chairman and CEO, commented, "Mr. Frechette and Mr. Trueman have made many valuable contributions to Acacia since joining us last year. Each of their promotions to Vice President is well deserved."

Mr. Frechette joined Acacia in November 2006. Prior to joining Acacia, he was an associate attorney with Crockett & Crockett and an in-house attorney with Discovision Associates, a patent licensing division of Pioneer Electronics. Prior to becoming an attorney, he was an engineer with Boeing, Ducommun, and Conexant. Mr. Frechette is a registered patent attorney and holds a B.S. in Manufacturing Engineering from Boston University, a J.D. from Whittier Law School and recently earned his M.B.A. from the University of California, Los Angeles.

Mr. Trueman joined Acacia in December 2006. He was formerly a Managing Partner for M1 Partners, an Engagement Manager for McKinsey & Company, and a Product/Business Manager for Oracle Corporation. Mr. Trueman also held the positions of Senior Product Manager for Integrated Decision Systems and CEO of Computer Solutions. Mr. Trueman holds a B.S. degree in Business Administration from the University of California, Berkeley and an M.B.A. from the Wharton School.

ABOUT ACACIA RESEARCH CORPORATION

Acacia Research Corporation comprises two operating groups, Acacia Technologies group and CombiMatrix group.

The Acacia Technologies group develops, acquires, and licenses patented technologies. Acacia controls 71 patent portfolios covering technologies used in a wide variety of industries including audio/video enhancement & synchronization, broadcast data retrieval, computer memory cache coherency, credit card fraud protection, database management, data encryption & product activation, digital media transmission (DMT ), digital video production, dynamic manufacturing modeling, enhanced Internet navigation, image resolution enhancement, interactive data sharing, interactive television, laptop docking station connectivity, microprocessor enhancement, multi-dimensional bar codes, resource scheduling, spreadsheet automation, and user activated Internet advertising.

The CombiMatrix group is developing a platform technology to rapidly produce customizable arrays, which are semiconductor-based tools for use in identifying and determining the roles of genes, gene mutations and proteins. The CombiMatrix's group's technology has a wide range of potential applications in the areas of genomics, proteomics, biosensors, drug discovery, drug development, diagnostics, combinatorial chemistry, material sciences and nanotechnology.

Acacia Research-Acacia Technologies (Nasdaq: ACTG) and Acacia Research-CombiMatrix (Nasdaq: CBMX) are both classes of common stock issued by Acacia Research Corporation and are intended to reflect the performance of the respective operating groups and are not issued by the operating groups.

Information about the Acacia Technologies group and the CombiMatrix group is available at www.acaciaresearch.com.