Corporate Contact
Matthias Tröndle
Chief Financial Officer
+423 388 3510
matthias.troendle@inficon.com

Ad hoc announcement of INFICON Holding AG pursuant to Art. 53 LR SIX Swiss Exchange

Bad Ragaz/Switzerland, June 21, 2021

INFICON Holding AG (SIX Swiss Exchange: IFCN) a worldwide leading provider of instrumentation and process control software for advanced industrial vacuum processes, invites analysts, journalists and investors to a Technology Day, scheduled for Wednesday November 24, 2021 from 10.00 a.m. until about 03.00 p.m. at INFICON AG, Balzers/Liechtenstein.

Vacuum technology is today a process and success-critical factor in a growing range of target industries. INFICON will provide insight into its technological background, product applications, and present current technological developments at its upcoming Technology Day.

Chief Executive Officer Lukas Winkler, the extended management team, as well as product and innovation specialists will present the latest product innovations and provide background information on current development trends in select target markets and the company's strategy.

The number of participants is limited. Please signal your interest in participating at the INFICON Technology Day by email to IR@inficon.com. Please also add your language preference (German or English) and specify your travel plans (by private car; by public transport). This information helps us plan the event according to your preferences. We will confirm your final participation by Email.

• INFICON Technology Day - Wednesday, November 24, 2021 - at INFICON AG, Balzers/Liechtenstein

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, and automotive manufacturing. They are vital to equipment manufacturers and end-users in the complex fabrication of semiconductors and thin film coatings for optics, flat panel displays, solar cells and industrial vacuum coating applications. Other users of vacuum based processes include the life sciences, research, aerospace, packaging, heat treatment, laser cutting and many other industrial processes. We also leverage our expertise in vacuum technology to provide unique, toxic chemical analysis products for emergency response, security, and environmental monitoring. INFICON is headquartered in Switzerland and has world-class manufacturing facilities in Europe, the United States and China, as well as subsidiaries in China, Denmark, Finland, France, Germany, India, Italy, Japan, Korea, Liechtenstein, Singapore, Sweden, Switzerland, Taiwan, the United Kingdom and the United States. INFICON registered shares (IFCN) are listed on SIX Swiss 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.