GSK Statement

GlaxoSmithKline PLC 08 September 2003 Philadelphia & London, September 8, 2003 GSK STATEMENT REGARDING LAUNCH OF GENERIC PAROXETINE HYDROCHLORIDE GlaxoSmithKline (GSK) confirmed that a generic form of paroxetine hydrochloride was launched by Apotex Corp. on Monday, September 8, 2003, triggering GSK's license agreement with Par Pharmaceutical, Inc. Under the terms of the agreement announced in April 2003, GSK will supply generic paroxetine hydrochloride immediate-release tablets, manufactured by a GSK subsidiary, to Par for distribution in the U.S. market. GSK remains committed to Paxil CR, which now represents approximately 40% of new Paxil prescriptions in the USA. Immediate release forms of Paxil, including the generic products, are not substitutable for Paxil CR as a generic equivalent. GSK is continuing to pursue litigation for infringement of patents relating to the immediate release form of Paxil against Apotex and other generic companies in Philadelphia. No trial date has been set for the Philadelphia litigation. Separately, in March of this year a federal judge for the United States District Court for the Northern District of Illinois (Chicago) ruled that GSK's patent in the United States covering the hemihydrate form of Paxil is valid but not infringed by Apotex's product. The patent expires in 2006. GSK is appealing the ruling of non-infringement. A date for the appeal court hearing has not been set. GlaxoSmithKline, one of the world's leading research-based pharmaceutical and healthcare companies, is committed to improving the quality of human life by enabling people to do more, feel better and live longer. For more information, please visit the company's web site at www.gsk.com. SM Bicknell Company Secretary 8th September 2003 GSK Inquiries US Media inquiries: Nancy Pekarek (215) 751 7709 Mary Anne Rhyne (919) 483 2839 Patty Seif (215) 751 7709 UK Media inquiries: Martin Sutton 020 8047 5502 Chris Hunter-Ward 020 8047 5502 David Mawdsley 020 8047 5502 US Analyst/Investor inquiries: Frank Murdolo (215) 751 7002 Tom Curry (215) 751 5419 European Analyst/Investor Duncan Learmouth 020 8047 5540 inquiries: Philip Thomson 020 8047 5543 Anita Kidgell 020 8047 5542 This information is provided by RNS The company news service from the London Stock Exchange

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