More Than 100 Customers Choose Advent Portfolio Exchange® (APX) for Integrated Front- and Back-Office Operations

San Francisco – 24 April 2007

Company Adds 15 Clients in First Quarter 2007, More than Double the Prior Year

Advent Software, Inc. (NASDAQ: ADVS), the leading provider of software and services for the investment management industry, today announced continued growth in the number of new clients choosing Advent Portfolio Exchange® (APX), the Company’s next-generation platform for portfolio management, reporting and client relationship management.

Advent added 15 new APX clients during the first quarter ended March 31, more than double the six APX client wins in the comparable period of 2006. With some APX sales early in the second quarter, the total number of APX customers is now more than 100.

“We’ve relied on Advent technology to provide advisory services to clients for many years, and the move to APX will enhance our ability to better service our clients, which is a critical a measure of our success, “ said Gary Bonner, Senior Vice President of Avalon Advisors, LP. Avalon Advisors, LP, based in Houston, manages equity, fixed income and balanced portfolios for wealthy families and the endowments, foundations and trusts they serve. Avalon currently has over $2.7 billion in assets under management.

“We are thrilled with the continued growth in our business and the strong demand for Advent Portfolio Exchange®,” said Stephanie DiMarco, Founder and CEO of Advent Software. “APX represents the next generation of Advent’s commitment to providing the industry’s most innovative, mission-critical portfolio management platforms, and its rapid market adoption is proof that APX can help our clients grow their businesses and deliver superior service to their own clients.”

Become a bobsguide member to access the following

1. Unrestricted access to bobsguide
2. Send a proposal request
3. Insights delivered daily to your inbox
4. Career development