MKS Partners with Mountaintop Software.

WATERLOO, Ontario -- MKS Inc. (TSX:MKX) today announced a partnership with Mountaintop Software Corporation, a Bel Air, Maryland-based application integration consulting firm specializing in software application installation, configuration, data conversion and enterprise integration.

Mountaintop Software will deliver conversion plug-ins for the MKS Integrity Suite(TM) while providing specialized expertise in repository migrations from other application lifecycle management (ALM) environments such as Serena PVCS, and CA Harvest. Mountaintop will also provide a range of services to MKS's customers including project mentorship, tools implementation and training, process re-engineering, in addition to application integration services around the MKS Integrity Suite(TM) for ALM.

"Mountaintop and MKS share a common understanding that client-consultant collaboration to identify needs and milestones, effective planning to reach those milestones and manage scope appropriately are the keys to successful implementations or upgrades for any enterprise. Our conversion and integration expertise will serve the needs of MKS customers well, whether they are blending application lifecycle management into their existing environments or consolidating their existing systems to take advantage of the one system architecture from MKS," says Peter Gudenzi, vice president, Mountaintop Software. "We look forward to serving the needs of MKS's growing enterprise client base in a range of industries."

"MKS is pleased to welcome Mountaintop Software as an MKS Solution Provider Partner. Comprehensive research and analysis goes into choosing a consulting partner that has the enterprise-level application, process and tool expertise to meet the demands of our globally distributed enterprise customers' IT departments. Mountaintop's combination of extensive technical and business expertise enable them to deliver results that focus on defined business initiatives and address mission-critical business issues," says Pat Higbie, vice president of business development, MKS Inc.

About Mountaintop Software

Mountaintop Software Corporation is a provider of integrated software solutions and business applications designed to meet the needs of a diverse customer base ranging from middle market companies to multi-national corporations. Our expertise in enterprise application software development and implementation services supports our strategy to help our customers to maximize their investment in leading business software applications. Mountaintop is strategically positioned to handle individual projects of any magnitude while displaying an ability to coordinate the implementation of enterprise software requirements and e-business solutions.

About MKS

MKS is the preeminent provider of enterprise technology management solutions for the global 1000. MKS's solution spans the application lifecycle from requirements management, through application development, to server deployment providing customers with greater visibility over software development activities, enhanced development productivity and improved IT controls for regulatory compliance. MKS solutions are distinguished by their ease of implementation and low total cost of ownership. Founded in 1984, MKS serves more than 10,000 customers in countries across the world. Whether through deployment of MKS's enterprise solutions strategically on an enterprise scale, or by leveraging individual components to solve project-level challenges, our customers can use MKS's technology to better enable higher levels of process maturity, better manage global development activity and safeguard their most critical business applications and software assets. 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), [phone] (Germany), [phone] (United Kingdom) and 1-519-884-2251 (Rest of World).

Copyright (C) 2005 MKS Inc. MKS, MKS Integrity Suite, 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.

MKS Inc. (TSX:MKX)