Advent Software and Aqua Form Liquidity Alliance

Advent Software and Aqua Form Liquidity Alliance

Advent Continues to Expand Trading Options for its Moxy® Clients

SAN FRANCISCO – June 10, 2008 – Advent Software, Inc. (NASDAQ: ADVS), a leading provider of software and services for the global investment management industry, today announced that it has entered into an alliance with Aqua, an alternative trading venue for block liquidity.  The strategic relationship will offer integration between Moxy®, Advent’s leading trade order management solution, and Aqua.  With over 800 clients, Moxy® is the most widely used order management system (OMS) software in the industry, and this latest announcement represents further progress on Advent’s recently announced strategy to expand trading options for its Moxy® clients.

The integration with Aqua will add to Advent’s growing list of liquidity alliances and offer Moxy® clients another premier trading destination, while delivering seamless access to additional liquidity.  Aqua’s model is an important evolution in the dark pool marketplace, making it easier for participants to interact with a new and unique pool of liquidity.

“Our relationship with Advent exemplifies our commitment to the buy-side trader, bringing new liquidity directly to their desktop – within their current workflows, and only in the stocks they are ready to trade,” said Kevin Foley, President and Chief Executive Officer, Aqua.  “Aqua provides seamless access to firm bids and offers they otherwise would not see, all the while keeping their intentions completely private and within the confines of their shop.”

“We are very pleased to announce Aqua as one of our newest integration relationships,” said Tim Decker, Product Manager of Electronic Trading & Connectivity at Advent.  “As the hub of the trading desk, Moxy® is what our clients rely on to simplify and manage their daily investment and trading processes, including integrated access to key liquidity providers in the marketplace.  This alliance offers our Moxy® customers a quick and seamless solution for accessing liquidity, and further demonstrates our commitment to respond to the needs of our clients by expanding the reach and capabilities of the product.”

About Aqua
Aqua is a new electronic trading platform focused on creating access to new pools of block liquidity for institutions, brokers, and hedge funds.  Based in New York, Aqua has received regulatory approval to operate as an alternative trading system for U.S. equities.  Featuring block liquidity contributed by a broad range of sell-side firms, Aqua is a safe, efficient and fast tool for electronic block trading between the sell-side and the buy-side.

About Moxy®
Moxy® is the industry-leading OMS software deployed at over 800 firms which automates and streamlines the trading and order management process of partial and complete executions and allows the user to send allocation results to brokers electronically.  Moxy® also provides Internet-ready electronic order routing based on the industry standard FIX messaging protocol, allowing users to route trades electronically to any FIX-compliant broker or crossing network that supports the Internet or other TCP/IP connections.  For more information on Moxy®, click here.

About Advent
Advent Software, Inc. (www.advent.com), a global company, has provided trusted solutions to the world’s leading financial professionals since 1983.  Firms in 60 countries use Advent technology and manage investments totaling nearly US $18 trillion.  Advent’s quality software, data, services and tools enable financial professionals to improve service and communication to their clients, allowing them to grow their business while controlling costs.  Advent is the only financial services software company to be awarded the Service Capability and Performance certification for being a world-class support organization.  For more information on Advent products, click here.
 
Forward-Looking Statements
Any forward-looking statements included in this press release involve risks and uncertainties that could cause actual results to differ materially from our expectations.  These risks and uncertainties include continued sales of existing products, market acceptance of new products and services, the impact of initiatives by competitors and other risks detailed in Advent’s most recent filings with the Securities and Exchange Commission, including, but not limited to, its quarterly reports on Form 10-Q and its 2007 annual report on Form 10-K/A, copies of which may be obtained by contacting Advent Software at (415) 645-1787 or by visiting Advent’s Investor Relations Web site at www.advent.com.

The Advent logo and Moxy are registered trademarks of Advent Software, Inc.  All other company names or marks mentioned herein are those of their respective owners.

Contact:
Jessica Miller
Advent Software, Inc.
(415) 645-1668
jmiller@advent.com