AD HOC ANNOUNCEMENT PURSUANT TO ART. 53 LR

Muttenz, 01 October 2026

Clariant, a sustainability-focused specialty chemical company, today took note of the successful closing between Stahl Group’s majority and controlling owner Wendel SE and Henkel. The existing shareholder agreement included a contractual obligation for Clariant as minority shareholder to participate in the transaction following the notification from Wendel SE.