Collexis Subsidiary Lawriter Inc. Announces Expansion of Casemaker Legal Library.

Casemaker Expansion to Add 3.5 Million Additional Documents to Raise its Total to 11 Million

CINCINNATI -- Lawriter, Inc., a wholly owned subsidiary of Collexis Holdings, Inc. (OTCBB:CLXS), a leading developer of high definition search and knowledge discovery software, announced today that the company has acquired an additional legal library consisting of 3.5 million documents to add to Casemaker([R]), which provides online legal research services to lawyers in the United States. Collexis previously announced on February 4, 2008 that it had acquired Lawriter LLC and its Casemaker platform - already the leading legal provider for state bar associations with over 450,000 members.

Steve Newsom, General Manager for Lawriter, stated: "This expansion will provide increased coverage of federal and state court cases. The addition of this impressive library to the current 7.5 million document library of Casemaker will make it one of the largest legal libraries in the small to medium size legal market segment."

Lawriter plans to leverage the knowledge discovery technology of the parent organization, Collexis Holdings, Inc., to develop a new suite of products that addresses the productivity and workflow opportunities in the legal marketplace. These new offerings will provide the state bar associations with an affordable, dynamic legal case law platform.

About Collexis Holdings, Inc.

Collexis Holdings, Inc., a leading developer of high definition search and knowledge discovery software since 1999, headquartered in Columbia, South Carolina (USA) with major operations in Cincinnati, Ohio, Geldermalsen, the Netherlands and Cologne, Germany. Collexis now offers the world's first pre-populated professional social network for life science researchers, www.biomedexperts.com. Collexis' proprietary technology builds conceptual profiles of text, called Fingerprints, from documents, Websites, emails and other digitized content and matches them with a comprehensive list of pre-defined "fingerprinted" concepts to make research results more relevant and efficient. This matching of concepts eliminates the ambiguity and lack of priority associated with word searches. The results are often described as "finding needles in many haystacks." Through this novel approach, Collexis can build unique applications to search, index and aggregate information as well as prioritize, trend and predict data based on sources in multiple industries without the limitations of language or dialect. Collexis' current clients in the public, private and academic sectors include the Mayo Clinic; Johns Hopkins University; the University of California, San Francisco; the University of South Carolina; Erasmus University Library; Bristol-Myers Squibb; Lockheed Martin; the World Health Organization; Wellcome Trust; the National Institutes of Health; and the U.S. Department of Defense. Shares of Collexis common stock are traded under the symbol CLXS on the OTC Bulletin Board (OTC BB). For more information, visit www.collexis.com.

Forward-Looking Statements

Some of the statements made in this press release may constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are based on management's current expectations and include known and unknown risks, uncertainties and other factors, many of which the company is unable to predict or control, that may cause the company's actual results or performance to differ materially from any future results or performance expressed or implied by such forward-looking statements. These statements involve risks and uncertainties, including risks and uncertainties associated with the company's acquisition of Lawriter and its plans to enhance Casemaker's services. These risks and uncertainties are in addition to other factors detailed from time to time in the company's filings with the SEC, including the section entitled "Risk Factors" in its transition report on Form 10-KSB for the period ended June 30, 2007, as amended. The company cautions investors that any forward-looking statements made by the company are not necessarily indicative of future performance. The company is not responsible for updating the information contained in this press release beyond the published date, or for changes made to this document by wire services or Internet services.

Collexis and its activities are not sponsored by or controlled by Reed Elsevier Properties Inc. or its licensee LexisNexis.