SINGAPORE -- 10/24/2007

Ranked No. 1 Manager of Institutionally Sourced Assets by Asia Asset Management

State Street Global Advisors (SSgA), the investment management arm of State Street Corporation (NYSE:STT) and the largest institutional fund manager in the world¹, today announced it has again been ranked as the No. 1 manager of institutionally sourced assets in Asia (excluding Japan) by Asia Asset Management magazine.

SSgA topped the publication's Fund Manager Survey for the fourth consecutive year. Institutional assets under management sourced from customers in Asia (excluding Japan) increased 33 percent (as of June 30, 2007) to $35.65 billion.

“It is an honour to once again be recognized as the top asset manager for institutional investors in the region,” said Bernard Reilly, senior managing director for State Street Global Advisors Asia Limited.  “Our continued strong asset growth reflects our commitment to meet institutional investor needs with a wide range of active, enhanced and passive investment strategies.”

State Street Global Advisors has offices in major investment centers throughout the Asia-Pacific region, including: Hong Kong, Tokyo, Sydney, and Singapore. Supported by an integrated team of professionals worldwide, State Street Global Advisors offers its clients investment strategies and innovative investment solutions that span all asset classes across the full spectrum of risk and return options.

¹Source: Pensions & Investments magazine for assets under management as of December 31, 2006.

The information we provide does not constitute investment advice and it should not be relied on as such. It should not be considered a solicitation to buy or an offer to sell a security. It does not take into account any investor's particular investment objectives, strategies, tax status or investment horizon. We encourage you to consult your tax or financial advisor. All material has been obtained from sources believed to be reliable, but its accuracy is not guaranteed. There is no representation or warranty as to the current accuracy of, nor liability for, decisions based on such information. Past performance is no guarantee of future results.

This news release may contain forward-looking statements, as defined by federal securities laws, including statements about the financial outlook and business environment. Any such statements are based on current expectations and involve a number of risks and uncertainties. Important factors, including those mentioned in this news release, that could cause actual results to differ materially are set forth in State Street Corporation's 2006 annual report and subsequent SEC filings. They include risks and uncertainties relating to the pace at which State Street Corporation (“State Street”) adds new clients or at which existing clients use additional services, the value of global and regional financial markets, and the dynamics of the markets State Street serves. State Street encourages investors to review its annual report and SEC filings in conjunction with this announcement and prior to making any investment decision. The forward-looking statements contained in this news release speak only as of the date of release, October 24, 2007, and State Street does not undertake to revise those forward-looking statements to reflect events after the date of this release.