Release according to article 135 section 2 BörseG

OMV Aktiengesellschaft by Thomas Hölzl Holding announcement according to article 135 section 2 BörseG (ESMA 2015/1597) OMV Aktiengesellschaft: Release according to article 135 section 2 BörseG Vienna (pta000/06.10.2026/11:55 UTC+2) — Release of Announcement according to article 135 section 2 BörseG Notification of Major Holdings 1. Issuer OMV Aktiengesellschaft, Trabrennstraße 6-8, 1020 Wien, Austria 2. Reason for notification Acquisition / disposal of shares with voting rights Acquisition / disposal of instruments 3. Details of person subject to the notification obligation Name: BlackRock, Inc. City and country of registered office: Wilmington, United States of America (USA) 4. Names of shareholders, if different from declarants (3) 5. Date on which threshold was crossed or reached 1.10.2026 6. Total positions % of voting rights attached to shares (total of 7.a.) % of voting rights through instruments (total of 7.b.1 + 7.b.2) total of both in % (7.a. + 7.b.) total number of voting rights of issuer Resulting situation on the date on which threshold was crossed / reached 4,51 0,49 5 327,272,727 Position of previous notification 4,05 0,62 4,67 7. Notified details of the resulting.