@Ventures Names Matt Horton as Principal.

WALTHAM, Mass. -- @Ventures, the venture capital affiliate of CMGI, Inc. (Nasdaq: CMGI), announced today that Matt Horton has joined the firm as a Principal in @Ventures V, LLC. The fund, which is @Ventures' fifth fund, was formed in May 2004 and is primarily focused on investments in companies developing clean energy technologies, including alternative energy, energy efficiency, and water purification and management. Mr. Horton joins @Ventures from Garage Technology Ventures, where he played an active role in that firm's clean energy investments, including Hoku Scientific (Nasdaq: HOKU), a developer of membranes and assemblies for stationary and automotive fuel cells; Miasole, a manufacturer of thin-film solar cells; and ClearFuels Technologies, a developer of technology for lower-cost production of ethanol.

"Matt has a broad network of contacts and relevant experience in the clean tech investment sector, and he will be a terrific resource to @Ventures as we continue to pursue investment opportunities in this emerging sector," said Marc Poirier, a Managing Director with @Ventures. With investments in Advent Solar and H2Gen Innovations during the last year, @Ventures began its investment activity in clean tech, adding to the firm's existing portfolio of Internet and software company investments.

About @Ventures

@Ventures, CMGI's affiliated venture capital group, invests in early-stage and mid-stage technology companies. Formed in 1995, @Ventures has funded more than 70 Internet, software, IT and clean energy companies. For additional information, see www.ventures.com.

About CMGI

CMGI, Inc. (Nasdaq: CMGI), through its subsidiary, ModusLink, provides technology and products solutions that help businesses market, sell and distribute their products and services. In addition, CMGI's venture capital affiliate, @Ventures, invests in a variety of technology ventures. For additional information, see www.cmgi.com.

This release contains forward-looking statements, including @Ventures' intent to continue to pursue investment opportunities in the clean technology sector. All statements other than statements of historical fact set forth herein are forward-looking statements. The following important factors and uncertainties, among others, could cause actual results to differ materially from those described in these forward-looking statements: CMGI's success depends on its ability to execute on its business strategy; CMGI's cash balances may not be sufficient to allow CMGI to meet all of its business and investment goals; the mergers and acquisitions and IPO markets are inherently unpredictable and liquidity events for companies in the venture capital portfolio may not occur; and increased competition and technological changes in the markets in which CMGI competes. For a detailed discussion of cautionary statements that may affect CMGI's future results of operations and financial results, please refer to CMGI's filings with the Securities and Exchange Commission, including CMGI's most recent Annual Report on Form 10-K. Forward-looking statements represent management's current expectations and are inherently uncertain. We do not undertake any obligation to update forward-looking statements made by us.