REG — Goldman Sachs (EPT) DCC Energy PLC — Form 38.5b — DCC ENERGY PLC

For best results when printing this announcement, please click on link below: RNS Number: 2011W Goldman Sachs & Co. 5(b) OF THE IRISH TAKEOVER PANEL ACT, 1997, TAKEOVER RULES, 2013 DEALINGS BY CONNECTED EXEMPT PRINCIPAL TRADERS WITHOUT RECOGNISED INTERMEDIARY STATUS, OR WITH RECOGNISED INTERMEDIARY STATUS BUT NOT DEALING IN A CLIENT-SERVING CAPACITY 1. KEY INFORMATION Name of exempt principal trader GOLDMAN SACHS & CO. 25 ordinary shares (Note1) Date of dealing 23 September 2026 2.

09) (b) Interests and short positions in relevant securities of the company, other than the class dealt in (Note 2) Class of relevant security: Long Short Number (%) Number (%) (1) Relevant securities (2) Derivatives (other than options) (3) Options and agreements to purchase/sell Total 3. g. g. call option Writing, selling, purchasing, varying etc.

g. American, European etc. g. call option Number of securities Exercise price per unit (Note 4) (d) Other dealings (including transactions in respect of new securities) (Note 3) Nature of transaction (Note 7) Details Price per unit (if applicable) (Note 4) 4.

OTHER INFORMATION Agreements, arrangements or understandings relating to options or derivatives Full details of any agreement, arrangement or understanding between the person disclosing and any other person relating to the voting rights of any relevant securities under any option referred to on this form or relating to the voting rights or future acquisition or disposal of any relevant securities to which any derivative referred to on this form is referenced. If none, this should be stated. NONE Is a Supplemental Form 8 attached?

(Note 9) YES Date of disclosure 24 September 2026 Contact name Papa Lette and Andrzej Szyszka Telephone number +33(1) 4212 1459 / +48(22) 317 4817 Name of offeree/offeror with which connected ENERGY CAPITAL PARTNERS, LLC AND KOHLBERG KRAVIS ROBERTS & CO. L. P. g.

g. American, European etc. 0000 N/A 24/12/2026 Notes 1. Where there are open option positions or open derivative positions (except for CFDs), full details should be given.

Full details of any existing agreements to purchase or to sell must also be given on this form. 2. For all prices and other monetary amounts, the currency must be stated. 5 of the Rules.

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