GlaxoSmithKline PLC announces change to the Board of Directors

GlaxoSmithKline plc (GSK) announces that Professor Sir Roy Anderson has been appointed a Non-Executive Director and will join the Board of the Company with effect from 1 October 2007.

Professor Anderson is Professor of Infectious Disease Epidemiology, ImperialCollege, Londonand, until 30 September 2007, Chief Scientific Advisor to the UK’s Ministry of Defence.

In commenting on his appointment, Sir Christopher Gent, Chairman of GSK, said, “I am delighted that Professor Anderson has agreed to join the Board. In addition to fulfilling the usual responsibilities of a Non-Executive Director, he will spend time within our research and development organisation and, with his experience, will provide the Board with valuable insights to scientific developments outside GSK.”