Incline Village, Nev., March 16, 2005 - AnalyticaŽ 3.1, the latest release of an innovative visual tool for creating, analyzing, and communicating decision models, announced today by Lumina Decision Systems, Inc., empowers users to find optimal decision strategies - thanks to Solvers/Optimizers licensed from Frontline Systems, Inc., developers of the Solver shipped with Microsoft Excel.

The Analytica Optimizer, a featured component of Analytica 3.1, provides powerful state-of-the-art Solvers, licensed from Frontline Systems, to discover the decisions that maximize expected value, minimize cost, or optimize any quantified objective. The Analytica Optimizer is available as an extension to Analytica Enterprise, Power Player, and Analytica Decision Engine (ADE).

"We're excited to offer our customers this state-of-the-art technology from the leader in spreadsheet optimization," said Dr. Max Henrion, CEO of Lumina. "The Analytica Optimizer offers capabilities that are greatly enhanced over the Solver for Excel that Frontline Systems originally developed for Microsoft."

"We look forward to use of our Solvers by existing and new Analytica users," said Daniel Fylstra, CEO of Frontline Systems. "Our optimization technology has moved beyond Excel and is increasingly used in other powerful analytic software tools." Analytica 3.1 is available now from Lumina Decision Systems. A free trial version is available for download from www.lumina.com.

About Frontline Systems, Inc.

Frontline Systems, Inc. (www.solver.com) is the leader in spreadsheet optimization software that helps analysts and managers optimally allocate scarce resources - money, equipment, and people - to realize substantial cost savings. Frontline developed the solvers/optimizers in Microsoft Excel, Lotus 1-2-3 and Quattro Pro, distributed to more than 100 million spreadsheet users. Founded in 1987, Frontline is headquartered in Incline Village, Nevada (775-831-0300), with a European sales and marketing subsidiary, Frontline Systems UK Ltd., in Bury St. Edmunds, United Kingdom (01284 748035).

About Lumina Decision Systems, Inc.

Lumina Decision Systems, Inc. ( www.lumina.com) offers the leading alternative to spreadsheet software for business decision making and risk analysis. Its flagship Analytica line of products offers visual, powerful, and scalable tools for rapid development of effective decision models and business-intelligence applications. Analytica customers include many Fortune 500 companies and management consultants, with users in over 40 countries. Founded in 1991, Lumina is headquartered in Silicon Valley in Los Gatos, California (650-212-1212).

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