Comments: CHF250m 8yr Green, fxd cpn 1.3025%, at 100, yld 1.3025%, Spread: MS+82bps, Par Call: 3m, CoC: 100%. Tax Call: Yes. Clean-up Call: 75%; Comments: CHF135m 12yr Green, fxd cpn 1.6174%, at 100, yld 1.6174%, Spread: MS+95bps, Par Call: 3m, CoC: 100%. Tax Call: Yes. Clean-up Call: 75%;

Reoffer: 8yr: MS+82 / 100 / 1.3025% 12yr: MS+95 / 100 / 1.6174% Spread set at: 8yr: MS+82bp 12yr: MS+95bp IPTs: 8yr: MS+82/87bp 12yr: MS+95/100bp Issuer: E.ON SE Ticker: EOANGR Issuer Domicile: Germany Format: Public Fixed-Rate Green Notes Ranking: Unsubordinated, unsecured Issuer Rating: Moody's: Baa2 (st.), S&P: BBB+ (st.), Fitch: BBB+ (st.) Instrument Rating (exp): Moody's: Baa2, S&P: BBB+, Fitch: A- Issue Size: 8yr: CHF 250m 12yr: CHF 135m Coupon: 8yr: 1.3025% p.a. (30/360, following unadj.) 12yr: 1.6174% p.a. (30/360, following unadj.) (Short first coupon) Maturity: 8yr: 8 years (20-Mar-26 to 20-Mar-34) 12yr: 11 years 359 days (20-Mar-26 to 19-Mar-38) Spread/Yield: 8yr: SARON MS +82.0 // YTM 1.3025% // Govt + 96.5 12yr: SARON MS +95.0 // YTM 1.6174% // Govt + 116.2 Issue Price: 8yr: 100.000% 12yr: 100.000% ISIN / Valor: 8yr: CH1544189173 / 154.418.917 12yr: CH1544189181 / 154.418.918 Lead Manager(s): Deutsche Bank, Commerzbank SNB Repo-eligibility: At the discretion of the SNB, expected no Documentation: Under E.ON's Debt Issuance Programme dated 27-Feb-26 Early Redemption: 3-month Par Call on both Tranches, Clean-up Call at Par at 75%, Tax Call, Change-of-Control Put at 100% FinSA Prospectus: Base Prospectus is deposited with and recognized by the Swiss Prospectus Office. Final Terms available in accordance with Art. 45 FinSA. Governing Law: German law Covenants: PP, NP SIX Listing: 20-Mar-26 Use of Proceeds: Net proceeds will be used to finance and/or refinance Eligible Green Projects as defined by E.ON’s Green Financing Framework dated November 2025. Framework: https://www.eon.com/en/investor-relations/bonds/green-bonds.html Denomination: CHF 5,000 and multiples thereof Selling Restrictions: As set out in E.ON's Debt Issuance Programme dated 27-Feb-26 Offering Scope: Public Offering in Switzerland only. No Public Offering in the EEA. Sales restrictions apply. Target Market: As defined by the manufacturer domiciled in the EEA (MIFID II): Eligible counterparties, professional clients and retail clients in Switzerland only (all channels for distribution), subject to applicable selling restrictions. Settle: 20-Mar-26

Net proceeds will be used to finance and/or refinance Eligible Green Projects as defined by E.ON’s Green Financing Framework dated November 2025.