MKS Facilitates Reliable Process Control and Repeatability for RGII Technologies

Waterloo, ON — December 1, 2004: MKS Inc. (TSX: MKX), a leading provider of enterprise software configuration management (ESCM) solutions for the Global 1000, today announced that RGII Technologies, provider of information technology, program management, and engineering solutions to the federal government market, has standardized on MKS for enterprise software configuration management.

RGII will use the MKS Integrity Solution® to organize, track and manage all processes necessary for future CMM Level and ISO 9001: 2000 goals. MKS’s technology also offers greater control, visibility, and audit-ability across RGII’s IT organization, aiding the company in its business goal to establish a sound foundation for secure organizational IT change management and efficient compliance to customer and government regulations. In addition, MKS will provide RGII’s IT team in Annapolis, Maryland, with centralized project management controls enabling increased security, audit-ability and traceability over all changes to RGII’s systems and software applications, including Monument™, a unique, top-down, performance-based budgeting software (system) for the federal government.

“Our major business driver is serving the IT needs of federal, state and local government using innovative technology, and the MKS Integrity Solution will help ensure that our software applications meet the most rigorous standards,” says R. Gregory Freeland, president, RGII Technologies, Inc. “The MKS Integrity Solution provides a full audit trail-enabled, change management solution that will assist us in solving compliance issues not only for development, but in other functional areas of RGII as well. This means we have one tool to drive compliance and government standards for software development and maintenance and to support the entire organization achieve reliable process control and repeatability.”

About MKS
MKS is the preeminent provider of enterprise technology management solutions for the Global 1000. Our solutions let companies manage the technology governing the enterprise by enabling all of the key steps in the technology lifecycle, from requirements capture and business process design to global development team collaboration, while providing metrics management and reporting enabling auditing of software and system change in support of IT governance initiatives. MKS solutions are distinguished for their speed of implementation and low total cost of ownership. Founded in 1984, MKS serves more than 10,000 customers in countries across the world. Under its widely known MKS Toolkit brand, MKS also provides UNIX-Windows co-existence and system administration that significantly cut development and administrative costs and reduce time to market, while enabling enhanced performance. More information about MKS can be found at http://www.mks.com, or by calling 1-800-265-2797 (US & Canada), +49-711-351775-0 (Germany), and +44-1483-733900 (United Kingdom).

About RGII Technologies, Inc.
RGII is a solutions provider of high-end technology and program management to federal, state and local government agencies. The company's solutions and services capabilities include enterprise management, network infrastructure, information assurance and security, web development and integration, program management, call management, engineering technology and technical services. In addition, RGII offers a unique proprietary software solution, known as "Monument," which facilitates Federal budget formulation processes. The firm has contracts with over 80 government customers, including the Department of State, the Department of Defense and the Department of Commerce. RGII Technologies, Inc. was founded in 1990 by its chief executive officer, Kathryn B. Freeland, M.B.A. RGII Technologies' goal is to assist customers in the Federal government market in organizing, managing and integrating information in a format that streamlines operations, accommodates emerging technologies and prepares our customer for the unexpected. RGII has 350 employees and regional offices in seven states. For more information about RGII Technologies, Inc., please visit our web site at www.rg2.com.

Copyright © 2004 MKS Inc. MKS, MKS Integrity Solution and MKS Toolkit are trademarks or registered trademarks of MKS Inc. All other trademarks mentioned in this release are the property of their respective owners.

This news release contains forward-looking statements that involve risks and uncertainties, which may cause actual results to differ materially from the statements made. When used in this document, the words "may", "would", "could", "will", "intend", "plan", "anticipate", "believe", "estimate", "expect" and similar expressions are intended to identify forward-looking statements. Such statements reflect the Company’s current views with respect to future events and are subject to such risks and uncertainties. Many factors could cause our actual results to differ materially from the statements made including those factors detailed from time to time in filings made by the Company with Canadian securities regulatory authorities. Should one or more of these risks or uncertainties materialize, or should assumptions underlying the forward looking statements prove incorrect, actual results may vary materially from those described herein as intended, planned, anticipated or expected. The Company does not intend and does not assume any obligation to update these forward-looking statements.

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