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

Share buyback – 12th Interim Reporting and Final Report

Munich (pta030/22.05.2026/17:53 UTC+2)

Siemens Energy AG completes the share buyback

In the period from May 18, 2026 until and including May 19, 2026, a total of 186,924 shares were acquired as part of the share buyback of Siemens Energy AG. On March 3, 2026 the start of the share buyback for March 4, 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:

With these transactions the share buyback was completed on 19 May 2026. The total number of shares which were bought back within the framework of the share buyback in the time period from 4 March 2026 until and including 19 May 2026 amounts to 12,618,469 shares. This corresponds to 1.465% of the share capital. The purchase price paid at the stock exchange was in average €158.4978 per share; the total consideration that was paid for the shares amounts to €1,999,999,412.91 (excluding incidental transaction charges).

The transactions are also published on the website of Siemens Energy AG (www.siemens-energy.com/sharebuyback).

The purchase of the shares of Siemens Energy AG was carried out by an institution commissioned by Siemens Energy AG. The shares were 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.

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Emitter:	Siemens Energy AG Otto-Hahn-Ring 6 81739 München 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 Exchange(s):	Regulated Market in Frankfurt; Free Market in Dusseldorf, Hamburg, Hannover, Munich, Stuttgart, Tradegate BSX