REG — JPMorgan Sec.Plc DCC Energy PLC — Form 38.5a (EPT/RI) — DCC Energy plc Amend

5(a) OF THE IRISH TAKEOVER PANEL ACT, 1997, TAKEOVER RULES, 2022 BY A CONNECTED EXEMPT PRINCIPAL TRADER WITH RECOGNISED INTERMEDIARY STATUS AND DEALING IN A CLIENT-SERVING CAPACITY 1. P.

Morgan Securities Plc (b) Name of offeror/offeree in relation to whose relevant securities this DCC Energy plc form relates: Use a separate form for each offeror/offeree (c) Name of the party to the offer with which exempt principal trader is corporate broker and financial adviser to DCC Energy plc connected: (Note 1) (d) Date dealing undertaken: 15 September 2026 (e) In addition to the company in 1(b) above, is the exempt principal N/A trader also making disclosures in respect of any other party to the offer? If it is a cash offer or possible cash offer, state "N/A" 2.

DEALINGS BY THE EXEMPT PRINCIPAL TRADER (Note 2) Where there have been dealings in more than one class of relevant securities of the offeror or offeree named in 1(b), copy table 2(a), (b), (c) or (d) (as appropriate) for each additional class of relevant security dealt in. The currency of all prices and other monetary amounts should be stated. g. g.

g. g. call option selling, securities unit American, paid/ varying etc. to which European received option etc.

g. g. subscription, (Note 5) conversion, exercise Ap36 3. OTHER INFORMATION (a) Indemnity and other dealing arrangements Details of any indemnity or option arrangement, or any agreement or understanding, formal or informal, relating to relevant securities which may be an inducement to deal or refrain from dealing entered into by the exempt principal trader making the disclosure and any party to the offer or any person acting in concert with a party to the offer: Irrevocable commitments and letters of intent should not be included.

If there are no such agreements, arrangements or understandings, state "none" None (b) 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 Date of disclosure: 18 September 2026 Contact name: Natasha Mondon Telephone number: 01202 325175 Public disclosures under Rule 38 of the Rules must be made to a Regulatory Information Service. 5(a) 1. 2 of Part A of the Rules. 2.

1 of Part A of the Rules. 3. 1 of Part A of the Rules. 4.

5(d) of Part A of the Rules. 5. If the economic exposure to changes in the price of securities is limited, for example, by virtue of a stop loss arrangement relating to a spread bet, full details must be given. 6.

If details included in a disclosure under Rule 38 are incorrect, they should be corrected as soon as practicable in a subsequent disclosure. Such disclosure should state clearly that it corrects details disclosed previously, identify the disclosure or disclosures being corrected, and provide sufficient detail for the reader to understand the nature of the corrections. In the case of any doubt, the Panel should be consulted. For full details of disclosure requirements, see Rules 8 and 38 of the Rules.

If in doubt, consult the Panel. References in these notes to "the Rules" are to the Irish Takeover Panel Act, 1997, Takeover Rules, 2022. This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom.

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