INFICON : Disclosure of Equity Participations Pursuant to the Swiss Stock Exchange Act

INFICON Holding AG (INFICON) provides instruments for gas analysis, measurement and control. These analysis, measurement and control products are applicable in gas leak detection in air conditioning, refrigeration, and automotive manufacturing. The Company's products are also applicable in fabrication of semiconductors and thin film coatings for optics, flat panel displays, solar cells, light-emitting diode (LED) lighting, and industrial vacuum coating applications. Other users of vacuum-based processes include the life sciences, research, aerospace, food and general packaging, heat treatment, laser cutting, oil and gas transportation and processing, alternative energy, utilities, and other industrial processes. The Company provides toxic chemical analysis products for emergency response, security, and environmental monitoring, as well as instruments for energy and petrochemical applications.