Elsevier Announces Acquisition of Gold Standard

Philadelphia, 19 April 2006 — Elsevier, a world-leading healthcare and scientific publisher, announced today that it has entered into a definitive agreement to acquire the entire share capital of Gold Standard, Inc., a US-based developer of online clinical drug information products, services and solutions to the healthcare market.

Founded in 1993 and based in Tampa, Florida, Gold Standard is a leading developer of drug information databases, software and clinical information solutions. Gold Standard employs 83 highly trained professionals with extensive experience in pharmacy practice, electronic publishing and software development.

Gold Standard is the only independent drug information company that is both 100% online and a major US provider to over a thousand hospitals, the largest retail pharmacy chains and consultant pharmacy organizations, leading health information websites, distinguished pharmacy and medical schools, and hundreds of thousands of healthcare professionals and consumers worldwide. The company is well known for its innovative approach to delivering clinical workflow tools to healthcare professionals where they need it most, at the point of care.

“I am pleased that the entire Gold Standard team will continue our success in developing innovative clinical products and solutions for the healthcare industry,” stated Russ Thomas, CEO of Gold Standard. “We look forward to a collaboration that will add value to both the Elsevier e-clinical reference information solutions and in our offerings to our collective customers.'' Mr. Thomas joined Gold Standard in 2000 and will continue to lead the company.

“The acquisition of Gold Standard provides Elsevier with a unique opportunity to upgrade our e-clinical reference services and products,” said Brian Nairn, CEO, Health Sciences, Elsevier, “Adding Gold Standard’s high caliber drug content to our leading evidence based decision support content will enable Elsevier to continue providing cutting edge information to support the overall efficiency and effectiveness of the healthcare community.”

Completion of the acquisition is subject to regulatory approval in the United States.

About Gold Standard
Based in Tampa, Gold Standard is a leading developer of drug information databases, software and clinical information solutions. The Company's products are developed by a staff of highly trained professionals with extensive experience in pharmacy practice, electronic publishing and software development. Gold Standard's customers include over a thousand hospitals, the nation's largest retail pharmacy chains and consultant pharmacy organizations, state and federal agencies, the country's top pharmacy and medical schools, well-known health information websites, and hundreds of thousands of healthcare professionals and consumers worldwide.

About Elsevier

Elsevier is a world-leading provider of information solutions that enhance the performance of science, health, and technology professionals, empowering them to make better decisions, deliver better care, and sometimes make groundbreaking discoveries that advance the boundaries of knowledge and human progress. Elsevier provides web-based, digital solutions — among them ScienceDirect, Scopus, Elsevier Research Intelligence,and ClinicalKey—and publishes over 2,200 journals, including The Lancet and Cell, and over 25,000 book titles, including a number of iconic reference works.

The company is part of Reed Elsevier Group PLC, a world leading provider of professional information solutions in the Science, Medical, Legal and Risk and Business sectors, which is jointly owned by Reed Elsevier PLC and Reed Elsevier NV. The ticker symbols are REN (Euronext Amsterdam), REL (London Stock Exchange), RUK and ENL (New York Stock Exchange).

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Marike Westra
Director - Corporate Relations
Phone: +31 20 485 2736
E-mail: newsroom@elsevier.com