MKS to Announce Third Quarter Fiscal 2006 Results on March 1, 2006

Waterloo, ON—February 15, 2006: MKS Inc. (TSX: MKX), today announced that it will report results for the third quarter fiscal 2006 after close of market on March 1, 2006. The Company will hold a conference call that day at 5:00 p.m. EST to discuss its third quarter performance.

Conference Call Details
Interested parties may access the call by dialing 877-871-9526 or 416-620-2400. A digital recording of the call will be available for one (1) week from March 01, 2006 to March 08, 2006 and may be accessed by dialing 800-558-5253 or 416-626-4100 and by entering reservation #21268923.

About MKS
MKS is the premier provider of application lifecycle management solutions for the global 1000. MKS’s solution spans from requirements management to deployment providing customers with enhanced development productivity, visibility over processes, and improved IT controls for regulatory compliance. MKS’s software is distinguished by its single architecture and deep integration of features delivering collaboration throughout the development lifecycle, rapid 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 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. 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.

US and Canada Media Contact:
Douglas Sawatzky, Chief Financial Officer
MKS Inc.
Phone: 519-883-3252
Email: dsawatzky@mks.com