CMS: Siemens Energy AG: Disclosure pursuant to art. 5 para. 1 lit. b), para. 3 of the Regulation (EU) no. 596/2014

Announcement according to article 2 of the Regulation (EU) 2016/1052 Munich (pta/12.10.2026/15:28) - In the period from October 5, 2026 until and including October 11, 2026, a total of 936,589 shares were acquired as part of the share buyback of Siemens Energy AG. On September 23, 2026 the start of the share buyback for September 24, 2026 was announced pursuant to Art. 5 para. 1 lit. a) of the Regulation (EU) No. 596/2014 and Art. 2 para. 1 of the Delegated Regulation (EU) No. 2016/1052. Shares were acquired as follows: Day of purchase Trading Venue Aggregated volume of shares Weighted average price (EUR) 05.10.2026 XETRA 126,703 144.6786 CBOE DXE 32,000 144.4498 Aquis Exchange 14,000 144.5071 Turquoise Europe 14,000 144.5168 Total 186,703 144.6144 06.10.2026 XETRA 125,634 146.5232 CBOE DXE 35,000 145.5273 Aquis Exchange 12,000 145.7553 Turquoise Europe 12,000 145.7588 Total 184,634 146.2348 07.10.2026 XETRA 118,015 143.3653 CBOE DXE 40,377 143.2379 Aquis Exchange 15,000 143.2273 Turquoise Europe 15,000 143.2476 Total 188,392 143.3176 08.10.2026 XETRA 145,172 142.1773 CBOE DXE 23,476 141.9115 Aquis Exchange 10,489 141.7775 Turquoise Europe 10,863 141.8667 Total 190,000 142.1046 09.10.2026 XETRA 145,872 144.5319 CBOE DXE 22,998 144.3491 Aquis Exchange 8,998 144.3194 Turquoise Europe 8,992 144.3996 Total 186,860 144.4928 The transactions are also published on the website of Siemens Energy AG (www.siemens-energy.com/sharebuyback). The total number of shares which were acquired as part of the share buyback in the time period from September 24, 2026 until and including October 11, 2026 amounts to 2,122,004 shares. The purchase of the shares of Siemens Energy AG is carried out by an institution commissioned by Siemens Energy AG. The shares are acquired exclusively on the electronic trading platform of the Frankfurt Stock Exchange (Xetra) and the multilateral trading systems CBOE DXE, Aquis Exchange Europe and Turquoise Europe. (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 Tradegate BSX 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.