Boston Financial Data Services / DST Systems Implement Succession Plans

Industry Veterans Promoted

QUINCY, Mass., Feb. 26 /PRNewswire/ -- Boston Financial Data Services, Inc.
(Boston Financial), a 50 percent owned joint venture of DST Systems, Inc.
(DST) and State Street Corporation (State Street), announced today that
Stephen C. Hooley, chief executive officer and president, will join DST as
president and chief operating officer on July 1, 2009, reporting to Thomas A.
McDonnell, chief executive officer of DST. He succeeds Thomas C. McCullough,
who has announced his plans to retire effective December 31, 2009. Terry L.
Metzger, currently chief operating officer of Boston Financial, will succeed
Mr. Hooley.

For more than 21 years, Mr. McCullough has played an integral role in both
leading DST and in the success of Boston Financial. He has built strong
management teams that will continue to provide the high level of service that
distinguishes DST and Boston Financial in the marketplace. Mr. McCullough
will continue to serve on the boards of DST and Boston Financial, where he
will also serve as a director and chairman of the Boston Financial Audit
Committee.

Mr. Hooley joined Boston Financial as president and chief executive officer in
January 2004 and has held several executive roles with International Financial
Data Services, LP (IFDS) since 2005. IFDS is a 50 percent owned joint venture
of DST and State Street located in Canada, the United Kingdom, Luxembourg and
Ireland. Mr. Hooley will continue his involvement with IFDS and assume Mr.
McCullough's role as chairman of Boston Financial. Mr. Hooley has managed both
domestic and international businesses within the financial services industry
for more than 20 years, with an emphasis on strategic projects and business
development. Prior to joining Boston Financial, Mr. Hooley held a number of
senior executive roles at State Street. During his tenure at State Street,
Mr. Hooley held roles in Institutional Investor Servicing and information
technology, and managed the integration of the Global Securities Services
business acquired from Deutsche Bank in 2002.

As chief operating officer, Mr. Metzger has led Boston Financial through a
period of unprecedented growth in its client base over the past five years.
Before joining Boston Financial, Mr. Metzger held leadership positions at DST,
where his responsibilities included managing mutual fund customer
relationships. Mr. Metzger's extensive knowledge of large-scale client
operations and his industry expertise will continue to enhance the product
offerings and value proposition for Boston Financial's customers.

"Understanding not only the business needs of clients but also delivering a
breadth and depth of technology platforms and services is essential to
servicing the needs of the financial services marketplace," said Mr. Metzger.
"I am excited to continue in a leadership role for the Boston Financial
organization. Our focused, strategic commitment to this industry offers
clients a wealth of expertise and service delivery systems. I look forward to
building upon Boston Financial's industry leading position."

About Boston Financial:
Boston Financial Data Services is one of the industry's premier third-party
transfer agents and has been servicing the mutual fund industry since 1973.
Boston Financial is a joint venture between DST Systems, Inc. of Kansas City,
Mo., and State Street Corporation of Boston, Mass. This joint venture has
enabled Boston Financial's clients to utilize DST's industry-leading software
and technology while benefiting from the institutional support and global
reach of State Street. For more information, visit Boston Financial's web site
at www.bostonfinancial.com.

About DST Systems:
DST Systems, Inc. (NYSE: DST) provides sophisticated information processing
and computer software products and services to support the mutual fund,
investment management, insurance and healthcare industries. In addition to
technology products and services, DST provides integrated print and electronic
statement and billing output solutions through a wholly owned subsidiary.
DST's world-class data centers provide technology infrastructure support for
mutual fund companies, healthcare providers, banks, mortgage bankers and
insurance companies around the globe. DST is headquartered in Kansas City,
Mo., and is a publicly traded company on the New York Stock Exchange. For
more information, visit DST's web site at www.dstsystems.com.

About State Street:
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 $12 trillion
in assets under custody and $1.4 trillion in assets under management at
December 31, 2008, State Street operates in 27 countries and more than 100
geographic markets worldwide. For more information, visit State Street's web
site at www.statestreet.com.

SOURCE Boston Financial Data Services, Inc.

Ann Marie Mierzykowski of Boston Financial Data Services, Inc.,
+1-617-483-2371, amierzykowski@bostonfinancial.com