Rieter‘s CHF 400 Million Rights Offering and ConcurrentCHF 77.4 million Private Placement

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On 18 September 2025, Rieter Holding AG announced the terms of a CHF 400 million rights offering. In the rights offering, existing shareholders received one subscription right for each share they held on 22 September 2025 after the close of trading. The new shares have been offered to existing shareholders at a ratio of 25 new shares for each subscription right held. The subscription rights were tradeable on SIX Swiss Exchange. Shares for which subscription rights were not exercised were placed in the market following expiry of the rights exercise period. The first trading day for the newly issued shares was 2 October 2025. UBS acted as Sole Global Coordinator for the rights offering. Concurrently with the rights offering, Rieter issued additional new shares in a CHF 77.4 million private placement. Shares in the private placement were subscribed for by Rieter‘s two largest shareholders. The proceeds of the rights offering and the private placement will be used to refinance Rieter‘s acquisition of the Bamag division from OC Oerlikon.

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