Press Release

Total offer size of IPO reaches CHF 106.2 million

Total offer size of IPO reaches CHF 106.2 million after partial exercise of IPO over-allotment option

Zurich-Schlieren, December 5, 2014. Molecular Partners AG announces that the total offer size of the initial public offering (“IPO”) amounts to CHF 106.2 million, of which gross proceeds from the primary shares issued are CHF 104.1 million. The Joint Bookrunners of Molecular Partners’ IPO have partially exercised the over-allotment option yesterday at the offer price of CHF 22.40 per share.

Including the exercise of the over-allotment option of 340,140 new registered shares, the IPO resulted in the issuance of a total of 4,740,140 shares, corresponding to 24.1% of the share capital. The aggregate number of shares in issue after the partial exercise of the over-allotment option is 19,640,450 registered shares with a nominal value of CHF 0.10 each. The free float therefore amounts to 24.3%.

J.P. Morgan acted as the Sole Global Coordinator and Joint Bookrunner and UBS Investment Bank acted as Joint Bookrunner. Cowen and Company and Bank am Bellevue acted as Co-Managers in connection with the IPO.