Board of Directors Names Peter Maier to Lead Intelligent Sensor Solutions Business Unit

INFICON Holding AG (SWX Swiss Exchange: IFCN) today announced the appointment of Peter Maier as President of its Intelligent Sensor Solutions business unit as well as of its Syracuse, NY location and plant. The plant provides advanced, in situ sensor technologies, process control software for the semiconductor and related markets, and instruments for emergency response and security markets. Peter Maier will succeed Daniel E Hoffman, who will be leaving INFICON. Mr. Maier will continue to serve as Chief Financial Officer of INFICON while the search for a new CFO is conducted. Peter Maier has been CFO of INFICON since 2000. From 1998 to 2000 he served as Vice President of Finance for Leybold Inficon and Controller for the Instrumentation Division of Unaxis, and from 1996 to 1998 he served as Director of Information Systems for the Instrumentation Division of Unaxis. Prior to joining INFICON, from 1994 to 1996, Mr. Maier was project manager and consultant for enterprise application integration at Deloitte Consulting. From 1992 to 1994, he served as Controller for Heidelberger Druckmaschinen AG in Germany. Mr. Maier holds a Masters degree in business administration and engineering from the University of Karlsruhe, Germany. The Board of Directors looks forward to working with Peter Maier in his new role and thanks his predecessor Daniel Hoffmann for his commitment and contributions to the company over the past three years. 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 the emergency response and security markets. 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. INFICON is a publicly listed company, registered with the Swiss Stock Exchange (SWX). For more information about INFICON and its products, please visit www.inficon.com.