4 million square feet ofdevelopment in progress

Gold,Chairman and Chief Executive Officer of BioMed Realty Trust."We look forwardto supporting Vertex as their company advances in the years ahead."About BioMed Realty TrustBioMed Realty Trust, Inc. is a real estate investment trust (REIT) focused onProviding Real Estate to the Life Science Industry(R). The company's tenantsprimarily include biotechnology and pharmaceutical companies, scientificresearch institutions, government agencies and other entities involved in thelife science industry. BioMed Realty Trust owns or has interests in 69properties, representing 112 buildings with approximately 10.4 millionrentable square feet, including approximately 1.4 million square feet ofdevelopment in progress.

The company also owns undeveloped land parcelsadjacent to existing properties that it estimates can support up to 1.4million rentable square feet. The company's properties are locatedpredominantly in the major U.S. life science markets of Boston, San Diego, SanFrancisco, Seattle, Maryland, Pennsylvania and New York/New Jersey, which havewell-established reputations as centers for scientific research. Additionalinformation is available at http:// Vertex Vertex Pharmaceuticals Incorporated is a global biotechnology companycommitted to the discovery and development of breakthrough small moleculedrugs for serious diseases. The Company's strategy is to commercialize itsproducts both independently and in collaboration with major pharmaceuticalcompanies. Vertexco-discovered the HIV protease inhibitor, Lexiva, with GlaxoSmithKline.

Lexiva is a registered trademark of the GlaxoSmithKline group of companies. This press release contains forward-looking statements within the meaning ofthe Private Securities Litigation Reform Act of 1995 based on currentexpectations, forecasts and assumptions that involve risks and uncertaintiesthat could cause actual outcomes and results to differ materially. For a further list and description of such risks anduncertainties, see the reports filed by the company with the Securities andExchange Commission, including the company's most recent annual report on Form10-K and quarterly reports on Form 10-Q. The company disclaims any intentionor obligation to update or revise any forward-looking statements, whether as aresult of new information, future events or otherwise.SOURCEBioMed Realty Trust, Inc.Rick Howe, Director, Corporate Communications of BioMed Realty Trust, Inc.,1-858-207-5859.