INFICON will announce its 4Q01 results during a conference call on Tuesday, February 19, 2002, beginning at 10:00 a.m. EST. The call will be available via a live audio webcast.

Syracuse, New York and Zurich, Switzerland - January 28, 2002 - INFICON Holding AG (SWX Swiss Exchange and Nasdaq: IFCN), a leading developer, supplier, and manufacturer of vacuum instrumentation for semiconductor and related markets and a worldwide leader in vacuum instrumentation for industrial applications and on-site diagnostic assessment, will issue a press release announcing its fiscal 2001 fourth quarter results at approximately 8:00 a.m. CET/2:00 a.m. EST on February 19, 2002. A conference call has been scheduled for 4:00 p.m. CET/10:00 a.m. EST on that same day. To access the conference call, please dial +1.212.748.2814 by 3:50 p.m. CET/9:50 a.m. EST. A live webcast of the conference call will also be available via the INFICON website at www.inficon.com.

On the call, James Brissenden, president and chief executive officer, and Peter Maier, chief financial officer, will review the quarter's results. Management will also be available for questions from the investment community.

A replay of the call will be available starting one hour after the completion of the call until 11:00 p.m. CET/5:00 p.m. EST on February 26, 2002. To access the replay, please dial +1.858.812.6440 (for access outside the U.S.) or +1.800.633.8284 (for access in the U.S.), reservation number 20207642. An archived replay of the live webcast will also be available on the Company's web site.

ABOUT INFICON
INFICON is a leading developer, manufacturer and supplier of vacuum instrumentation used for analysis, monitoring, measurement and control by manufacturers to improve the productivity of their processes and the quality of their products. INFICON provides the semiconductor and related industries with products used in the manufacture of semiconductors, flat panel displays, computer disc drive components, magnetic and optical storage media, precision optics and optical filters. INFICON also sells products to the vacuum coatings, air conditioning/refrigeration, automotive, emergency response and industrial hygiene markets. Headquartered in Syracuse, New York, INFICON has manufacturing facilities in the United States and Europe and worldwide offices in the U.S., China, France, Germany, Japan, Korea, Liechtenstein, Singapore, Switzerland, Taiwan, and the United Kingdom. For more information about INFICON and its products, please visit the Company's web site at www.inficon.com.