INFICON Announces Date of Second Quarter 2005 Results.

SYRACUSE, N.Y. & ZURICH, Switzerland -- INFICON (SWX Swiss Exchange:IFCN), a leading manufacturer of instrumentation and process control software for the semiconductor and vacuum-coating industries and other industrial applications, will issue a press release announcing its second quarter 2005

results at approximately 7:00 a.m. CET/1:00 a.m. ET on Wednesday July 20, 2005. A conference call has been scheduled for 04:00 p.m. CET /10:00 a.m. ET that same day. To access the conference call, please dial +1.706.634.1033 at least 10 minutes prior to the call. A live webcast of the conference call will also be available in the Investor Relations section of the INFICON Website, http://www.inficon.com.

On the call, Lukas Winkler, president and chief executive officer, and Peter Maier, chief financial officer, will review the company's financial results for the second quarter. In addition, management will be available for questions from the investment community.

A replay of the call will be available from 7:00 p.m. CET/1:00 p.m. ET on July 20 through 5:59 a.m. July 28 CET/11:59 p.m. ET on July 27. To access the replay, please dial +1.800.642.1687 (international callers dial +1.706.645.9291), conference ID number 7308001. An archived replay of the conference webcast also will be available on the INFICON website.

ABOUT INFICON

INFICON is a leading developer, manufacturer and supplier of innovative instrumentation, critical sensor technologies, and advanced process control software for the semiconductor and vacuum-coating industries and other industrial applications. These analysis, measurement and control products are vital to original equipment manufacturers (OEMs) and end-users in the complex manufacturing of semiconductors, flat panel displays, magnetic and optical storage media and precision optics. INFICON also provides essential instrumentation for gas leak detection to the air conditioning/refrigeration industries and toxic chemical analysis for emergency response and security markets. Headquartered in Syracuse, New York, INFICON has world-class 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 website at www.inficon.com.