AD HOC ANNOUNCEMENT PURSUANT TO ART. 53 LR

Vifor Pharma AG (“Vifor”) announced today that the Commercial Court St. Gallen has cancelled (kraftlos erklärt) all remaining publicly held registered shares of Vifor with a nominal value of CHF 0.01 each (each a “Vifor Share”). The Commercial Court’s decision has become legally effective (rechtskräftig) and is published in the Swiss Official Gazette of Commerce (Schweizerisches Handelsamtsblatt; SHAB) by the Commercial …