STT State Street Corporation

State Street Corporation (NYSE: STT), the world�s leading provider of financial services to institutional investors, announced today that it will now offer the Russell Global Indexes as an additional benchmark within its performance and analytics offering. This addition to State Street�s performance reporting capabilities, the most comprehensive in the industry, will provide customers with the broadest view available of global markets from which to benchmark their investment portfolios. The Russell Global Indexes comprise approximately 10,000 securities in 63 countries, covering 98 percent of the investable global market. The indexes are designed to be modular, with securities grouped according to size, region, country and sector. Using these criteria, the 300 global benchmarks can be further segmented into more than 20,000 distinct benchmarks. �As the first provider to incorporate the Russell Global Indexes into its performance reporting capabilities, State Street is offering its analytics customers access to the broadest range of benchmarking tools,� said Patrick Centanni, senior vice president and head of State Street�s product and technology solutions team. �With the increased focus on transparency and investment performance, this enhancement will allow our customers to better monitor their portfolios and more closely match benchmarks to specific strategies and investment opportunities.� �The Russell Global Indexes singularly recognize the way institutional managers actually behave and offer investors an accurate, comprehensive and transparent method of evaluating investment performance on a global scale,� said Lori Richards, director of Russell Index client service for Russell Investment Group. �We appreciate that a market leader such as State Street is offering its customers a global benchmark family that further emulates the investable global equity market.� 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 $12.3 trillion in assets under custody and $1.8 trillion in assets under management at March 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.