Press Release

For Immediate Release

Contact:
  Patrick Pedonti
  Chief Financial Officer
  Tel: +1-860-298-4738
  E-mail: InvestorRelations@sscinc.com

SS&C Acquires thinklink from TD Ameritrade Acquisition Strengthens SS&C's Sell-Side Trading Platforms

WINDSOR, CT – October 4, 2010 - SS&C Technologies Holdings, Inc. (Nasdaq: SSNC), a global provider of financial services software and software-enabled services, today announced SS&C has acquired the thinklink business from TD Ameritrade Holding Corporation (Nasdaq: AMTD).

thinklink is an Internet-deployed trade order management system, execution system, liquidity engine and provides connectivity to algorithmic trading systems. The acquisition adds more than fifty institutional sell-side clients and seven staff based in Needham, Massachusetts.

"The thinklink transaction is aligned with our growth strategy for our front office software and software-enabled services," said Bill Stone, Chairman and Chief Executive Officer, SS&C Technologies Holdings, Inc. "We are excited to leverage thinklink's platform with our existing trading capabilities and deliver additional value to our clients and prospects as well as cross-selling our complementary solutions to their client base."

About SS&C Technologies Holdings, Inc.
SS&C is a leader in the delivery of investment and financial management software and related services focused exclusively on the global financial services industry. Founded in 1986, SS&C has its headquarters in Windsor, Connecticut and offices around the world. 5,000 financial services organizations, from the world's largest to local financial services organizations, manage and account for their investments using SS&C's products and services. These clients in the aggregate manage over $16 trillion in assets.

Additional information about SS&C (NASDAQ: SSNC) is available at www.ssctech.com.

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