Siegfried strengthens manufacturing network with new large-scale drug substance facility in Minden

Media ReleaseZofingen, June 16, 2026

Siegfried (SIX: SFZN), a leading global Contract Development and Manufacturing Organization (CDMO) for the pharmaceutical industry headquartered in Zofingen, Switzerland, today inaugurates its new large-scale production facility for API manufacturing in Minden, Germany. 

The facility adds 100 m³ of reactor capacity and strengthens Siegfried’s position as one of the leading global CDMOs for small molecule drug substances. It enhances the company’s ability to support customers with complex, high-quality and scalable API manufacturing solutions.

Marcel Imwinkelried, CEO: "The inauguration of our new Minden facility is an important milestone in the continued expansion of our global manufacturing network. It strengthens our ability to support customers with complex API manufacturing at commercial scale and underlines our commitment to reliable, flexible and high-quality supply."

The new plant combines advanced process technology, automation, and high-containment capabilities. Features such as gravity-flow processing, RFID-enabled recipe management, and optimized solvent handling contribute to efficient, safe and reliable production.

With the new facility, Siegfried further expands its large-scale drug substances offering and reinforces its strategic focus on network strength, operational excellence, and trusted long-term partnerships with pharmaceutical customers.

• Siegfried inaugurates new large-scale drug substances manufacturing facility in Minden, Germany
• Plant strengthens global drug substances network to support growing customer demand
• Facility adds 100 m³ of reactor capacity for complex, high-containment manufacturing

About SiegfriedThe Siegfried Group is a global CDMO with 16 sites in Switzerland, Germany, Spain, France, Malta, the USA, Australia and China. In 2025, the company achieved sales of CHF 1,327.8 million and employed on 31.12.2025 more than 3,800 people. Siegfried Holding AG is publicly listed on the SIX Swiss Exchange (SIX: SFZN).

Siegfried is active in manufacturing pharmaceutical APIs (and their intermediates) as well as drug products (tablets, capsules, sterile vials, ampoules, cartridges and ointments) for the pharmaceutical industry and provides development services.Cautionary statements regarding forward-looking statementsThis media release includes statements concerning the future. They are based on assumptions and expectations that may prove to be wrong. They should be considered with due caution as, by definition, they contain known and unknown risks, insecurities and other factors which could result in a difference in the actual results, financial situation, developments or the success of Siegfried Holding AG or Siegfried Group from the explicit or implicit assumptions made in these statements.

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Siegfried AGUntere Brühlstrasse 44800 Zofingen, Switzerland+41 62 746 11 11info@siegfried.chwww.siegfried.ch