PTA-PVR: Siemens Energy AG: Release according to Article 40, Section 1 of the WpHG

Siemens Energy AGby Investor RelationsRelease according to article 40 para. 1 WpHG München (pta/25.09.2025/16:12) - Release of Voting Rights Announcement Voting Rights Announcement 1. Details of issuer: Name: Siemens Energy AG Legal Entity Identifier (LEI): 5299005CHJZ14D4FDJ62 Street: Otto-Hahn-Ring 6 Postal code: 81739 City: München, Germany 2. Reason for notification: Acquisition / disposal of shares with voting rights 3. Details of person subject to the notification obligation Legal entity: Morgan Stanley City of registered office, country: Wilmington, Delaware, United States of America (USA) 4. Names of shareholder(s) holding directly 3% or more voting rights, if different from 3 5. Date on which threshold was crossed or reached 19.09.2025 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 pursuant to Sec. 41 WpHG New 2.94 2.41 5.35 861,104,914 Previous notification (if applicable) 3.11 2.51 5.62 7. Details on total positions a. Voting rights attached to shares (Sec.s 33, 34 WpHG) ISIN Absolute direct (Sec. 33 WpHG) Absolute indirect (Sec. 34 WpHG) In % direct (Sec. 33 WpHG) In % indirect (Sec. 34 WpHG) DE000ENER6Y0 0 25,344,685 0.00 2.94 Total: 25,344,685 2.94 b.1. Instruments according to Sec. 38 (1) no. 1 WpHG Type of instrument Maturity / Expiration Exercise or conversion period Voting Rights Absolute Voting Rights in % Equity Call Option From 17.10.2025 to 17.12.2027 at any time 2,566,838 0.30 Right of recall over securities lending agreements at any time at any time 5,043,160 0.59 Total: 7,609,998 0.88 b.2 Instruments according to Sec. 38 (1) no. 2 WpHG Type of instrument Maturity / Expiration Exercise or conversion period Cash or physical transaction Voting Rights Absolute Voting Rights in % Equity Put Option From 19.12.2025 to 18.12.2026 at any time Physical 2,002,600 0.23 Retail Structured Product From 06.11.2074 to 18.08.2075 at any time Cash 3,694 0.00 Equity Swap From 25.09.2025 to 03.09.2030 at any time Cash 11,140,208 1.29 Compound Option From 19.06.2026 to 30.03.2027 at any time Cash 3,152 0.00 Equity Put Option From 19.12.2025 to 20.03.2026 at any time Cash 1,098 0.00 Total: 13,150,752 1.53 8. Information in relation to the person subject to the notification obligation Full chain of controlled undertakings starting with the ultimate controlling natural person or legal entity Name % of voting rights (if at least 3% or more) % of voting rights through instruments (if at least 5% or more) Total of both (if at least 5% or more) Morgan Stanley Morgan Stanley Capital Management, LLC Morgan Stanley Domestic Holdings, LLC Morgan Stanley Capital Services LLC - Morgan Stanley Morgan Stanley Capital Management, LLC Morgan Stanley & Co. LLC - Morgan Stanley Morgan Stanley International Holdings Inc. Morgan Stanley International Limited Morgan Stanley Investments (UK) Morgan Stanley & Co. International plc - Morgan Stanley Morgan Stanley Capital Management, LLC Morgan Stanley & Co. LLC Prime Dealer Services Corp. - Morgan Stanley Morgan Stanley Capital Management, LLC Morgan Stanley Smith Barney LLC 9. In case of proxy voting according to Sec. 34 para. 3 WpHG (only in case of attribution of voting rights in accordance with Sec. 34 para. 1 sent. 1 No. 6 WpHG) Date of general meeting: N/A 10. Other useful information Date 25.09.2025 (end) emitter: Siemens Energy AG address: Otto-Hahn-Ring 6, 81739 München country: Germany contact person: Investor Relations phone: +49 89 207084040 e-mail: investorrelations@siemens-energy.com website: www.siemens-energy.com ISIN(s): DE000ENER6Y0 (share) stock exchanges: regulated market in Frankfurt; free market in Dusseldorf, free market in Hamburg, free market in Hannover, free market in Munich, free market in Stuttgart; open market in Berlin, Tradegate pressetext Nachrichtenagentur GmbH Ad-hoc and financial news distributed by pressetext.adhoc. Archive: http://adhoc.pressetext.com The emitter is responsible for the content. Contact: adhoc@pressetext.com or +43-1-81140-0.