MKS Hits a Home Run with SD Times

Company Recognized as an Innovation Leader for Fourth Straight Year

Waterloo, ON—June 1, 2006: For the fourth year running, MKS Inc (TSX:MKX) has been named to the annual SD Times 100 list recognizing and saluting innovation leadership in the software development industry. MKS is recognized in the ‘Software Configuration Management and Change Management Category.’

The MKS citation from the magazine’s editorial leadership salutes MKS’s one solution, one architecture ALM strategy and reads:

‘If you build it they will come. That’s what MKS believed when it built, rather than bought the pieces of its very successful ALM suite.’

“MKS has a long standing history of innovation firsts. We are thrilled to be recognized yet again for our one product strategy by Software Development Times. This award, coming as we ship the biggest product release in our Company’s history is a great tribute to our hard working MKS team and to our customers, who inspire technical and service excellence from our organization every day,” says Philip Deck, MKS CEO.

“The winners of this year’s SD Times 100 awards have demonstrated their leadership in shaping the software development industry,” said David Rubenstein, Editor-in-Chief of SD Times. “We took into account each nominee’s products and services, its reputation among development managers, and the new ideas it brought out. These select individuals and organizations are the ones we’ve identified as helping to move the art of development forward.”

About MKS
MKS is the premier provider of application lifecycle management solutions for the global 1000. MKS’s flagship ALM solution, MKS Integrity, is the most highly integrated ALM platform in the industry today, spanning all aspects of the software development lifecycle and supporting critical business transformations including SOA, application rationalization and outsourcing. MKS Integrity’s single architecture drives high levels of user productivity, facilitates rapid deployment and process standardization while delivering a complete view of application development activity through real time metrics, trends and reporting. MKS Integrity also provides essential support for IT operations through software deployment and issue management. Founded in 1984, MKS serves more than 10,000 customers in countries across the world. Whether through deployment of MKS’s solution strategically on an enterprise scale, or by leveraging individual components to solve project-level challenges, our customers can use MKS’s software to 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), +49-711-351775-0 (Germany), +44-1483-733900 (United Kingdom) and 1-519-884-2251 (Rest of World).

Copyright © 2006 MKS Inc. 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. Although the Company believes the expectations represented by such forward looking statements are reasonable, there can be no assurance that those expectations will prove to be correct. The Company does not intend and does not assume any obligation to update these forward-looking statements.

US and Canada Media Contact:
Email: pr@mks.com