Boston, September 25, 2007 — State Street Corporation (NYSE: STT), the world’s leading provider of financial services to institutional investors, today announced that it has appointed Christopher (Chris) Perretta as executive vice president and chief information officer with responsibility for State Street’s information technology businesses globally. Perretta will report to Vice Chairman Joseph Antonellis, who has also held the CIO position since 2002.

“With the increasing sophistication of new investment strategies and products, we need to ensure that our information technology strategy remains at the forefront of the industry,” said Antonellis. “Chris has a wealth of experience developing technology solutions to support global business growth and we are confident that his leadership will further strengthen our competitive position.”

Perretta will be responsible for the strategic direction and management of State Street’s information technology, which includes more than 5,300 employees and contractors worldwide. He will oversee global technology infrastructure, application development and systems architecture for all of State Street worldwide.

“State Street has always been a technology leader and one that attracts a considerable cadre of talent,” added Perretta. “I am proud to join an organization that views information technology as a catalyst for business success.”

Perretta joins State Street from General Electric Commercial Finance (GE), where he was a senior vice president and chief information officer since 2002. At GE, Perretta oversaw application development for various GE business units and was responsible for redesigning all of GE’s technology-related processes with a key focus on developing customer metrics to ensure service quality. Prior to GE, he was an associate partner at Andersen Consulting (now Accenture) where he spent more than five years spearheading various technology initiatives in Europe. Perretta received his bachelor’s degree from Johns Hopkins University and a master’s degree from Syracuse University.

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 US$13.0 trillion in assets under custody (or US$14.97 trillion on a pro forma basis, including the Investors Financial custody assets) and $1.9 trillion in assets under management at June 30, 2007, State Street operates in 26 countries and more than 100 geographic markets worldwide. For more information, visit State Street’s website at www.statestreet.com.