ObsEva Announces Delisting from SIX Swiss Exchange and Exemption from Certain Obligations Associated with the Maintenance of Listin

Ad hoc announcement pursuant to Art. 53 LR of the SIX Swiss Exchange

GENEVA, Switzerland – April 3, 2024 – ObsEva SA (SIX: OBSN), a biopharmaceutical company developing and commercializing novel therapies for women’s health, today announced that the Regulatory Board of SIX Swiss Exchange has granted the delisting of the shares of the company (Swiss Security Number 126'004'193 / ISIN CH1260041939) from SIX Swiss Exchange and has exempted the company from certain obligations associated with the maintenance of the listing.