Siemens Energy AG

by Investor Relations

Announcement according to article 2 of the Regulation (EC) 2016/1052

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

Share buyback – 4th Interim Reporting

Munich (pta000/29.06.2026/16:14 UTC+2)

In the period from June 22, 2026 until and including June 28, 2026, a total of 539,190 shares were acquired as part of the share buyback of Siemens Energy AG. On June 3, 2026 the start of the share buyback for June 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:

Day of purchaseTrading VenueAggregated volume of sharesWeighted average price (EUR)22.06.2026XETRA61,763170.9801CBOE DXE23,485170.9285Aquis Exchange8,889170.5656Turquoise Europe8,163170.5345Total102,300170.896723.06.2026XETRA64,111161.4017CBOE DXE29,436162.2148Aquis Exchange8,180161.9167Turquoise Europe6,513161.3741Total108,240161.660124.06.2026XETRA64,518159.4403CBOE DXE25,291159.4999Aquis Exchange11,483159.547Turquoise Europe8,408159.729Total109,700159.487325.06.2026XETRA68,255163.3333CBOE DXE25,358163.4509Aquis Exchange6,055163.4016Turquoise Europe7,432163.4814Total107,100163.375326.06.2026XETRA64,200156.5737CBOE DXE26,206156.1878Aquis Exchange13,164155.5256Turquoise Europe8,280156.728Total111,850156.3713

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 June 4, 2026 until and including June 28, 2026 amounts to 2,046,430 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.

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Emitter:Siemens Energy AGOtto-Hahn-Ring 681739 MünchenGermanyContact Person:Investor RelationsPhone:+49 89 207084040E-Mail:investorrelations@siemens-energy.comWebsite:www.siemens-energy.comISIN(s):DE000ENER6Y0 (Share)Stock Exchange(s):Regulated Market in Frankfurt; Free Market in Dusseldorf, Hamburg, Hannover, Munich, Stuttgart, Tradegate BSX

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