X0303 4 2011-01-31 0000093751 STATE STREET Corp STT 0001315283 Antonellis Joseph C STATE STREET CORPORATION ONE LINCOLN STREET BOSTON MA 02111 0 1 0 0 Vice Chairman Common Stock 2011-01-31 4 S 0 65000 47.0528 D 77988 D Common Stock 6816 I 401 (k) Plan The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.00 to $47.14, 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. The reporting person indirectly beneficially owns 6,816 shares of State Street common stock under State Street's 401(k) plan, based on a plan statement dated as of December 31, 2010. The plan accounts for interest in units consisting of shares of State Street common stock and a small amount of cash. As a result, the number of underlying shares may fluctuate from time to time. /s/ Shannon C. Stanley, Attorney-in-fact 2011-02-01