Trevor Heritage, Ph.D., Joins Elsevier MDL; Experienced Exec to Lead N

    Business Editors/Health/Medical Writers

    SAN LEANDRO, Calif.--(BUSINESS WIRE)--May 2, 2005--Elsevier MDL has announced that Trevor Heritage has joined the company as senior vice president of the Workflow Business Group. Heritage, a former executive at Tripos Inc., brings extensive scientific and pharmaceutical research experience to the Elsevier MDL management team as well as knowledge of biopharma workflows and computational modeling.
    "We are very excited to welcome Trevor to Elsevier MDL," said President and CEO Lars Barfod. "His experience and leadership will be important assets to the company and to the life sciences researchers we support. I am confident that under his direction our Workflow Business Group will excel at developing and delivering integrated workflow solutions that are critical to a broad base of scientists."
    The Workflow Business Group headed by Heritage is charged with developing and updating integrated discovery workflow applications for logistics, compound registration, plate and biological data management as well as a recently announced electronic lab notebook (planned for 2006).
    "I am proud to join Elsevier MDL with its 27 years experience delivering high quality informatics solutions to the research community," said Heritage. "I look forward to continuing that tradition and pursuing the next generation of innovative products and solutions to meet the ever-evolving needs of discovery scientists around the globe."
    Heritage was a senior vice president, corporate officer and general manager of Tripos Inc.'s discovery informatics business prior to joining Elsevier MDL. He has a Ph.D. in organic chemistry from University of Reading, England. Heritage began his career with Shell Research Ltd in the UK.

    About Elsevier MDL

    Elsevier MDL provides informatics, database and workflow solutions that accelerate successful life sciences R&D by improving the speed and quality of scientists' decision making. Researchers around the world depend on Elsevier MDL for innovative and reliable discovery informatics software solutions and services augmented by 400 Elsevier chemistry and life sciences journals and related products. For more information, visit www.mdl.com. Elsevier is a world-leading publisher of scientific, technical and medical information products and services. For more information, visit www.elsevier.com.
    Elsevier is part of Reed Elsevier Group plc, a world-leading publisher and information provider. Reed Elsevier's ticker symbols are REN (Euronext Amsterdam), REL (London Stock Exchange), RUK and ENL (New York Stock Exchange). For more information, visit www.reedelsevier.com.

    MDL is a registered trademarks of MDL Information Systems, Inc. ('Elsevier MDL') in the United States and/or other countries. All rights reserved.

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CONTACT: Elsevier MDL Dr. Phil McHale, 510-357-2222 ext. 3541 email: p.mchale@mdl.com

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