Advent Software Announces Upgrades to its Leading Axys® Portfolio Management Platform

Axys® 3.6 Adds New Reporting Capabilities and Support for Most Recent Windows operating systems, Microsoft Office and Adobe Products

San Francisco, August 29, 2005 – Advent Software, Inc. (NASDAQ: ADVS) announces the release of Axys® version 3.6, which expands reporting capabilities and improves support for operating systems and third party technologies. Axys®, used by over 3,500 firms, is the industry standard portfolio management system delivering performance measurement, fixed-income accounting, multicurrency accounting, electronic interfaces, and robust reporting capabilities. Axys® brings speed, accuracy and simplicity to the portfolio management function.

Among the significant enhancements included in Axys® 3.6 are:

· New Reporting Capabilities: Axys® 3.6 includes new reporting functionality for Average Capital Base proof, to support the internal rate of return performance calculation; Portfolio Turnover, to determine how actively a portfolio is being traded; and Individual Account Summary, to show the internal rate of return performance calculation of each portfolio in a group and includes a summary of each portfolio’s activity.

· Improved Support for Operating Systems and Third-Party Technologies: Axys® 3.6 supports the latest Windows XP SP2 and Windows 2000 operating systems, Adobe Acrobat 7.0 and 6.0 and Microsoft Office 2003 and XP.

· Portfolio Close Date Functionality: Axys® 3.6 includes complete implementation of close date functionality for all reports and groups, for more flexible reporting and greater automation for managers of portfolio groups with both open and closed portfolios.

"The enhancements in Axys® 3.6 will help us tremendously with our internal reporting processes, particularly the improved interface with MS Excel, allowing us to save and retrieve reports more easily," said June George, director of operations at Knott Capital, an Exton, PA-based investment management firm that is participating in the Axys® 3.6 beta process. "Advent’s Technical Support organization was quick to understand our particular workflow as we worked with them in the beta process, and they were very thorough in helping us to improve our internal business processes. It’s been a great experience working with them," she said.

"The release of Axys® 3.6 demonstrates our responsiveness to the changing needs of our customers and the environment in which they operate," said William Penney, Advent’s director of product marketing. "We will continue to address changes in areas such as the regulatory environment, operating system platform requirements, third-party technologies and demand for new reports in future versions of Axys®."

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