STT State Street Corporation

State Street Global Advisors (SSgA), the investment management arm of State Street Corporation (NYSE:STT) and the largest institutional fund manager in the world�, announced today that it has appointed Chee Ooi to senior portfolio manager in its global active equity group. Based in Boston, Ooi will join an experienced team responsible for managing SSgA�s actively managed portfolios. He will report to Didier Rosenfeld, managing director and head of EAFE (Europe, Australia and Far East) and global strategies for SSgA. Ooi joins SSgA from Citi Investment Research where he was a director and senior quantitative analyst in the quantitative research group. He has gained industry-wide recognition for having pioneered the application of classification and regression three techniques in stock selection modeling. At SSgA, Ooi will be responsible for research and portfolio management across its quantitative international active equity strategies. He joins a global team with investment professionals in Boston, Paris, London, Montreal, Sydney, Toronto, Tokyo and Hong Kong, who manage active risk-controlled strategies that include single-country, regional and global assignments managed against a wide-variety of client-specified benchmarks. �We are pleased to announce Chee�s appointment to the global active equity team, and are looking forward to capitalizing on his 13 years of quantitative research and modeling experience,� said Rosenfeld. �SSgA has been managing active equity strategies for more than 30 years, and we continue to build on our track record. Our focus on stock selection and a well-balanced model of valuation, growth and quality factors, have contributed to our ability to deliver excess returns and consistent performance in our core strategies. Chee will help us to build on this success.� Ooi holds a bachelor of science degree in electrical engineering and computer science from Massachusetts Institute of Technology. About State Street Global Advisors State Street Global Advisors, the investment management arm of State Street Corporation (NYSE: STT), delivers investment strategies and integrated solutions to clients worldwide across every asset class, investment approach and style. With $1.9 trillion in assets under management at June 30, 2008, State Street Global Advisors has investment centers in Boston, Hong Kong, London, Montreal, Munich, Paris, Singapore, Sydney, Tokyo, Toronto and Zurich, and offices in 27 cities worldwide. For more information, visit State Street Global Advisors at www.ssga.com. �Source: Pensions & Investments magazine for assets under management as of December 31, 2007