STT State Street Corporation

State Street Corporation (NYSE:STT), one of the world’s leading providers of financial services to institutional investors, today announced that the median return of the State Street Universe (SSU) of total plans rose 3.5 percent in the first quarter of 2011. For the year ended March 31, 2011, the universe earned 12.7 percent. The SSU consists of a diverse range of funds custodied at State Street and funds provided by the Independent Consultants Cooperative (ICC). It includes the total plans of a wide range of plan sponsors and the individual funds that comprise each plan. The 19,000 portfolios in the State Street Universe constitute a combined asset value over $2 trillion.

In the first quarter, Taft Hartley Plans and Public Funds had the highest returns in the quarter, up 3.9 percent. For the 12 months ending March 31, 2011, master trust funds of greater than $1 billion returned 13.4 percent, a full percentage point higher than smaller master trust funds, which returned 12.4 percent. Taft Hartley Plans were up 14.0 percent, with the highest returns for the year. Endowments & Foundations trailed behind the other funds, rising 12.7 percent.

The State Street Universe (SSU)

Periods Ending March 31, 2011     Median Return Universe Name     One Quarter     One Year     Three Years     Five Years Master Trust Funds     3.5     12.7     4.0     4.5 Master Trust Funds > $1 Billion     3.7     13.4     3.2     4.5 Master Trusts < $1 Billion     3.4     12.4     4.2     4.5 Corporate Plans (DB)     3.6     13.3     3.9     4.5 Endowments & Foundations     3.4     12.7     3.6     4.6 Public Funds (DB)     3.9     13.5     4.1     4.5 Taft Hartley Plans (DB)     3.9     14.0     4.2     4.4  

“For the past two quarters, US Equity Funds have significantly outpaced International Developed and Emerging Market Funds,” said William Pryor, senior vice president and head of State Street Investment Analytics. “Small and Mid Cap Growth Funds led the way among US Equity Funds with Small Growth Funds growing 28.1 percent and Mid Cap Growth Funds growing 25.2 percent over the same time period.”

US Equity Funds posted the strongest gains in the first quarter, rising 6.6 percent, while International Emerging Market Equity funds had the smallest return, rising 0.9 percent. For the year ending March 31, 2011, US Equity Funds rose 18.9 percent, followed by International Emerging Market Equity funds which gained 17.9 percent. Other types of equity funds also showed gains: International Developed Market Equity Funds rose 13.2 percent and Global Equity Funds rose 14.3 percent. Fixed Income Funds posted small gains in the first quarter. Over the last 12 months, Global Fixed Income Funds returned 8.7 percent and US Fixed Income Funds 7.0 percent.

The State Street Universe (SSU)

Periods Ending March 31, 2011     Median Return Universe Name     One Quarter     One Year     Three Years     Five Years US Equity Funds     6.6     18.9     5.3     3.8 Global Equity Funds 3.7 14.3 1.2 3.6 Intl Equity Funds – Developed Mkts 3.4 13.2 -0.9 3.0 Intl Equity Funds – Emerging Mkts 0.9 17.9 4.3 10.3 US Fixed Income Funds 0.9 7.0 6.4 6.5 Global Fixed Income Funds 1.7 8.7 5.8 8.1 Hedge Funds 2.2 7.2 1.6 3.8  

State Street Investment Analytics (SSIA) group provides performance and analytics services and employs a staff of more than 600 dedicated investment performance professionals across 15 offices worldwide. SSIA serves approximately 1,400 clients with asset volumes exceeding $8.3 trillion, (as of December 31, 2010) offering comprehensive services in performance, risk and strategic analysis that help them monitor and measure the success of their investment strategies in any market and in any asset class, including alternative investments.

The Independent Consultants Cooperative is a consortium of independent investment consulting firms that deliver superior value-added products to their clients. The ICC is currently comprised of thirteen well-established firms located across the country that collectively consult to 10 percent of the industry’s institutional assets. In order to avoid conflicts of interest, none of the ICC member firms offers investment management services. Rather, the ICC focuses solely on the continuous refinement of investment consulting products, systems and diagnostic databases for the collective benefit of their clientele. For more information about the Independent Consultants Cooperative and its member firms, visit the web site at www.icc-group.com

About State Street Corporation

State Street Corporation (NYSE: STT) is one of the world's leading providers of financial services to institutional investors, including investment servicing, investment management and investment research and trading. With $22.6 trillion in assets under custody and administration and $2.1 trillion2 in assets under management at March 31, 2011, 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.

1 For the 2 quarters ended March 31, 2011

2This AUM includes the assets of the SPDR Gold Trust (approximately $56 billion as of March 31, 2011), for which State Street Global Markets, LLC, an affiliate of State Street Global Advisors serves as the marketing agent.