INFICON Shareholders Approve Dividend Payment and All Proposals at Annual General Meeting

ZURICH, Switzerland/SYRACUSE, New York — April 24, 2008 —INFICON Holding AG (SWX Swiss Exchange: IFCN), a leading, worldwide manufacturer of instrumentation and process control software for advanced industrial vacuum processes, today announced that its shareholders, voting at the company's Annual General Meeting in Zurich, Switzerland, approved all resolutions proposed by the Board of Directors. This includes approval to distribute a gross dividend of CHF 8.00 per registered share of CHF 5.00 par value for the business year 2007, a 33% increase over the dividend for 2006, with a payment and ex-dividend date of April 30, 2008. In addition, the shareholders approved the cancellation of the 235,587 shares repurchased under the 2007 share repurchase program that was authorized by the Board of Directors, as well as the corresponding reduction of the share capital of INFICON Holding AG by CHF 1,177,935.00.

ABOUT INFICON
INFICON is a leading, provider of innovative instrumentation, critical sensor technologies, and advanced process control software that enhance productivity and quality in sophisticated industrial vacuum processes. These analysis, measurement and control products are essential for gas leak detection in air conditioning/refrigeration manufacturing and 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. We also leverage our expertise in vacuum technology to provide unique, toxic chemical analysis products for emergency response, security, and environmental monitoring. INFICON has world-class manufacturing facilities in the United States and Europe and subsidiaries in China, Finland, France, Germany, Japan, Korea, Liechtenstein, Singapore, Switzerland, Taiwan, and the United Kingdom. INFICON registered shares (IFCN) are listed on the SWX Swiss Stock Exchange. For more information about INFICON and its products, please visit www.inficon.com.

This press release and oral statements or other written statements made, or to be made, by us contain forward-looking statements that do not relate solely to historical or current facts. These forward-looking statements are based on the current plans and expectations of our management and are subject to a number of uncertainties and risks that could significantly affect our current plans and expectations, as well as future results of operations and financial condition. We undertake no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.