LONDON – 3 April 2008 – State Street Corporation (NYSE: STT), the world’s leading provider of financial services to institutional investors, announced today that it has been retained by BP Pension Trustees Limited for the Fund’s approximately £14 billion in assets.

State Street will provide custody, accounting, securities lending and performance measurement services for the BP Pension Fund from its offices in Edinburgh and London. State Street has serviced BP’s main UK pension scheme since 1987. The Fund was advised by Hewitt Associates in its review.

“We have enjoyed a long-standing, successful relationship with State Street and look forward to building on this partnership,” said Sally Bridgeland, chief executive officer at BP Pension Trustees.

“We are extremely pleased to be reappointed by BP Pension Trustees,” said Michael Walsh, senior vice president and managing director of State Street’s investment servicing business in the United Kingdom, Middle East and Africa . “After more than two decades of working together, we look forward to extending our very productive partnership.”

State Street Corporation (NYSE: STT) is the world's leading provider of financial services to institutional investors including investment servicing, investment management and investment research and trading. With $15.3 trillion in assets under custody and $2 trillion in assets under management at December 31, 2007, State Street operates in 26 countries and more than 100 geographic markets worldwide. For more information, visit State Street’s web site at www.statestreet.com.