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 global information analytics company that helps institutions and professionals progress science, advance healthcare and improve performance for the benefit of humanity. Elsevier provides digital solutions and tools in the areas of strategic research management, R&D performance, clinical decision support, and professional education; including ScienceDirect, Scopus, ClinicalKey and Sherpath. Elsevier publishes over 2,500 digitized journals, including The Lancet and Cell, more than 35,000 e-book titles and many iconic reference works, including Gray's Anatomy. Elsevier is part of RELX Group, a global provider of information and analytics for professionals and business customers across industries. www.elsevier.com

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