DCC Energy PLC: voting rights notification

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

REG – J.P. Morgan Markets DCC Energy PLC – Form 38.5b (EPT/NON – RI) – DCC Energy plc

REG – UBS AG (EPT) DCC Energy PLC – Form 38.5a – DCC Energy plc

For best results when printing this announcement, please click on link below: RNS Number: 8306W GoldmanSachs International 29 September 2026 Amendment — due to the amendment of Derivative transactions, the disclosure made on 21 August for dealings on 20 August has been updated. Section 2(b) has been updated. FORM 38.5(a) IRISH TAKEOVER PANEL DISCLOSURE UNDER RULE 38.5(a) OF THE IRISH TAKEOVER PANEL ACT, 1997, TAKEOVER RULES, 2013 DEALINGS BY CONNECTED EXEMPT PRINCIPAL TRADERS WITH RECOGNISED INTERMEDIARY STATUS AND DEALING IN A CLIENT-SERVING CAPACITY 1. KEY INFORMATION Name of exempt principal trader (GS) GOLDMAN SACHS INTERNATIONAL Company dealt in DCC ENERGY PLC Class of relevant security to which the dealings being disclosed relate EUR 0.25 ordinary shares (Note1) Date of dealing 20 August 2026 2. DEALINGS (Note 2) (a) Purchases and sales Total number of relevant securities acquired Highest price paid (Note 3) Lowest price paid (Note 3) 515,385 63.7500 GBP 63.6000 GBP Total number of relevant securities disposed Highest price received (Note 3) Lowest price received (Note 3) 325,985 63.7503 GBP 63.6000 GBP (b) Derivatives transactions (other than options transactions) Product name, e.g. CFD Nature of transaction (Note 4) Number of relevant securities (Note 5) Price per unit (Note 3) CFD Increasing a short position 78,326 63.6000 GBP CFD Increasing a short position 260,470 63.6126 GBP CFD Increasing a short position 43,075 63.6126 GBP CFD Increasing a short position 27,633 63.6126 GBP CFD Increasing a short position 2,227 63.6377 GBP CFD Increasing a short position 443 63.6377 GBP CFD Increasing a short position 2,000 63.6627 GBP CFD Increasing a short position 2,000 63.6627 GBP CFD Reducing a short position 49 63.6808 GBP CFD Reducing a short position 211 63.6808 GBP CFD Increasing a short position 57,773 63.6849 GBP CFD Increasing a short position 6,000 63.6908 GBP CFD Opening a short position 4,409 63.7045 GBP CFD Closing a short position 959 63.7083 GBP CFD Increasing a short position 615 63.7087 GBP CFD Increasing a short position 96 63.7127 GBP CFD Increasing a short position 3,227 63.7127 GBP CFD Increasing a short position 1,000 63.7127 GBP CFD Increasing a short position 5,599 63.7127 GBP CFD Increasing a short position 1,557 63.7127 GBP CFD Increasing a short position 773 63.7127 GBP CFD Closing a short position 4,409 63.7191 GBP CFD Increasing a short position 708 63.7253 GBP CFD Increasing a short position 241 63.7287 GBP CFD Opening a short position 2,552 63.7299 GBP CFD Closing a long position 1,240 63.7299 GBP CFD Increasing a long position 320 63.7315 GBP CFD Increasing a long position 860 63.7315 GBP CFD Closing a short position 133 63.7354 GBP CFD Opening a long position 2,583 63.7354 GBP CFD Increasing a long position 180 63.7373 GBP CFD Increasing a long position 28 63.7373 GBP CFD Increasing a long position 95 63.7373 GBP CFD Increasing a short position 69 63.7373 GBP CFD Increasing a short position 78 63.7440 GBP CFD Incre

REG – Goldman Sachs (EPT) DCC Energy PLC – Form 38.5a – Amend – DCC ENERGY PLC

REG – Morgan StanleyEurope DCC Energy PLC – Rule 38.5_A – DCC Energy plc

For best results when printing this announcement, please click on link below: RNS Number: 9823W BNP Paribas London 30 September 2026 Ap34 FORM 38.5(a) (EPT/RI) IRISH TAKEOVER PANEL DEALING DISCLOSURE UNDER RULE 38.5(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. KEY INFORMATION (a) Name of exempt principal trader: BNP Paribas SA (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 Energy Capital Partners, LLC and Kohlberg Kravis Roberts & Co. L.P. connected: (Note 1) (d) Date dealing undertaken: 29/09/2026 (e) In addition to the company in 1(b) above, is the exempt principal No 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. Ap35 (a) Purchases and sales Class of Purchases/ Total Highest Lowest relevant sales number of price per price per security securities unit paid/ unit paid/ (Note 3) received received (b) Cash-settled derivative transactions Class of Product Nature of dealing Number of Price per relevant description e.g. opening/closing reference unit (Note 5) security e.g. CFD a long/short position, securities increasing/reducing a (Note 4) long/short position IE0002424939 Contract for Difference Increasing Short Position -1 64.4 IE0002424939 Contract for Difference Reducing Long Position -841 64.4 IE0002424939 Contract for Difference Reducing Short Position 1 64.4 IE0002424939 Contract for Difference Increasing Short Position -58 64.4 IE0002424939 Contract for Difference Increasing Short Position -69 64.4 IE0002424939 Contract for Difference Increasing Short Position -11 64.4 IE0002424939 Contract for Difference Increasing Short Position -1 64.4 IE0002424939 Contract for Difference Increasing Short Position -150 64.4 IE0002424939 Contract for Difference Increasing Short Position -4 64.4 (c) Stock-settled derivative transactions (including options) (i) Writing, selling, purchasing or varying Class of Product Writing, Number Exercise Type Expiry Option relevant description purchasing, of price per e.g. date money security e.g. call option selling, securities unit American, paid/ varying etc. to which European received option etc. per unit relates (Note 4) (ii) Exercise Class of Product Exercising/ Number of Exercise price relevant description exercised securities per unit security e.g. call option against (Note 5) (d)

REG – J & E Davy DCC Energy PLC – Form 38.5A – DCC Energy PLC