Advent's Moxy® Trade Order Management System Leads In Automated Connectivity to Trade Counterparties

San Francisco, June 15, 2005 - Advent Software, Inc. (NASDAQ: ADVS), the leading provider of software and services to the investment management industry, announces its growing list of trade connectivity destinations in its continuous effort to provide the most comprehensive trade order management solution to the buyside.

Moxy®, Advent's trade order management system used by nearly 700 firms worldwide, provides direct connectivity to the industry's mission-critical trade counterparties, including crossing networks, FIX trading networks, direct market access providers, liquidity providers for fixed income, prime brokers, and SMA plan sponsor platforms.

Moxy® connects to hundreds of trading destinations through certified connections with leading order routing networks and trading platforms including:

- The SunGard Transaction Network
- Lava Trading
- TradeWeb
- Reuters Order Routing for Equities

In addition, Moxy® has built blotter-level integration with leading Alternative Trading System (ATS) Liquidnet for direct buyside execution connectivity. Moxy®'s connectivity capabilities enable easy communication between Moxy® and the mission-critical systems used by buyside managers today. Moxy® users have the flexibility to trade easily with hundreds of counterparties, streamline their workflow, and achieve a greater level of scalability than ever before.

"Our commitment is to provide investment managers with a robust trading solution that includes comprehensive connectivity to the trading partners that matter to them. Moxy® is a compelling technology solution that is easy to implement and maintain, and we're confident that our growing list of connectivity partners gives Moxy® a strong competitive advantage in the market today," said Mike Gamson, Advent's director of trade order management and compliance.

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