OSIsoft Receives ''Strong Positive'' Rating in Leading Analyst Firm's ''Manufacturing Execution System'' MarketScope Report

Business Wire, Oct 20, 2005

SAN LEANDRO, Calif. -- OSIsoft, the leader in performance management software, today announced that they have received a "Strong Positive" rating in Gartner's "MarketScope for MES Software, 2005" report, published October 17, 2005 by Kenneth F. Grant and Dan Miklovic. OSIsoft was one of 22 vendors evaluated for the report. Gartner considers companies receiving this rating to be "solid providers of strategic products, services or solutions." Current customers should continue investments and potential customers should consider this vendor a strong strategic choice. Evaluation criteria for the rating encompassed business model, product or service, product strategy, overall viability, market understanding and operations.

"We are pleased to receive this rating, as we believe it confirms our position that OSIsoft provides focus, value and consistent execution to our global customer base with the Real-time Performance Management (RtPM) platform," said Michael Saucier, OSIsoft's vice president of marketing.

The MarketScope is copyrighted October 17, 2005 by Gartner, Inc. and is reused with permission. The MarketScope is an evaluation of a marketplace at and for a specific time period. It depicts Gartner's analysis of how certain vendors measure against criteria for that marketplace, as defined by Gartner. Gartner does not endorse any vendor, product or service depicted in the MarketScope, and does not advise technology users to select only those vendors with the highest rating. Gartner disclaims any warranties, expressed or implied, with respect to this research, including any warranties of merchantability or fitness for a particular purpose.

About OSIsoft

OSIsoft delivers performance management software to the world's leading process manufacturing, life sciences and utility companies -- anywhere real-time operational metrics fuel performance. With more than 10,000 installations worldwide, OSIsoft's real-time data platform crosses IT and process boundaries to incorporate and display operational information. Providing comprehensive visibility into operations, the OSIsoft platform unlocks the potential for timely analysis and the ability to make critical, informed and profitable decisions.

Founded in 1980, OSIsoft Inc. is headquartered in San Leandro, Calif., with operations worldwide and is privately-held.

Copyright (C) 2005 OSIsoft, Inc., all rights reserved. OSIsoft and the OSIsoft logo, and RtPM are trademarks of OSIsoft, Inc. All other trademarks are the property of their respective owners.