X0303 4 2011-05-31 0000093751 STATE STREET Corp STT 0001286771 POWERS SCOTT F STATE STREET CORPORATION ONE LINCOLN STREET BOSTON MA 02111 0 1 0 0 EVP; President and CEO of SSgA Common Stock 2011-05-31 4 S 0 43957 45.5572 D 127023 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.48 to $45.63, inclusive. The reporting person undertakes to provide to State Street Corporation, any security holder of State Street Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote 1 of this Form 4. The balance reflects the amount of shares beneficially owned, including shares received due to dividend reinvestment, as of the date of this report. /s/ Shannon C. Stanley, Attorney-in-fact 2011-06-01