Form 8.3 - DCC Energy plc | Company Announcement

*A Private Investor is a recipient of the information who meets all of the conditions set out below, the recipient:

Obtains access to the information in a personal capacity;
Is not required to be regulated or supervised by a body concerned with the regulation or supervision of investment or financial services;
Is not currently registered or qualified as a professional securities trader or investment adviser with any national or state exchange, regulatory authority, professional association or recognised professional body;
Does not currently act in any capacity as an investment adviser, whether or not they have at some time been qualified to do so;
Uses the information solely in relation to the management of their personal funds and not as a trader to the public or for the investment of corporate funds;
Does not distribute, republish or otherwise provide any information or derived works to any third party in any manner or use or process information or derived works for any commercial purposes.

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(a) Full name of discloser	SOCIETE GENERALE SA
(b) Owner or controller of interests and short positions disclosed, if different from 1(a) The naming of nominee or vehicle companies is insufficient. For a trust, the trustee(s), settlor and beneficiaries must be named.
(c) Name of offeror/offeree in relation to whose relevant securities this form relates Use a separate form for each offeror/offeree	DCC Energy plc
(d) If an exempt fund manager connected with an offeror/offeree, state this and specify identity of offeror/offeree (Note 1)
(e) Date position held/dealing undertaken For an opening position disclosure, state the latest practicable date prior to the disclosure	29/09/2026
(f) In addition to the company in 1(c) above, is the discloser 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"	N/A

Class of relevant security (Note 3)	€0.25 Ordinary Shares
	Interests		Short positions
	Number	%	Number	%
(1) Relevant securities owned and/or controlled	3,272,233	3.83	401,270	0.47
(2) Cash-settled derivatives	400,000	0.47	1,736,862	2.03
(3) Stock-settled derivatives (including options) and agreements to purchase/ sell	0	0.00	0	0.00
Total	*4,270,113	5.00	2,138,132	2.50

Class of relevant security	Purchase/sale	Number of securities	Price per unit GBP (Note 5)
€0.25 Ordinary Shares	Purchase	1,736	64.41606
€0.25 Ordinary Shares	Purchase	6,944	64.4
€0.25 Ordinary Shares	Purchase	174	64.35
€0.25 Ordinary Shares	Purchase	1	64.45
€0.25 Ordinary Shares	Purchase	27	64.4
€0.25 Ordinary Shares	Purchase	30	64.4
€0.25 Ordinary Shares	Purchase	34	64.4
€0.25 Ordinary Shares	Purchase	34	64.4
€0.25 Ordinary Shares	Purchase	36	64.45
€0.25 Ordinary Shares	Purchase	48	64.45
€0.25 Ordinary Shares	Purchase	155	64.4
€0.25 Ordinary Shares	Purchase	35	64.4
€0.25 Ordinary Shares	Purchase	90	64.4
€0.25 Ordinary Shares	Purchase	6	64.45
€0.25 Ordinary Shares	Purchase	63	64.4
€0.25 Ordinary Shares	Purchase	111	64.45
€0.25 Ordinary Shares	Purchase	122	64.45
€0.25 Ordinary Shares	Purchase	182	64.4
€0.25 Ordinary Shares	Purchase	67	64.4
€0.25 Ordinary Shares	Purchase	76	64.35
€0.25 Ordinary Shares	Purchase	88	64.35
€0.25 Ordinary Shares	Purchase	121	64.35
€0.25 Ordinary Shares	Purchase	126	64.35
€0.25 Ordinary Shares	Purchase	128	64.35
€0.25 Ordinary Shares	Purchase	128	64.35
€0.25 Ordinary Shares	Purchase	173	64.35
€0.25 Ordinary Shares	Purchase	757	64.35
€0.25 Ordinary Shares	Purchase	169	64.35
€0.25 Ordinary Shares	Purchase	301	64.35
€0.25 Ordinary Shares	Sale	35	64.35
€0.25 Ordinary Shares	Sale	301	64.35
€0.25 Ordinary Shares	Sale	169	64.35

Class of relevant security	Product description e.g. CFD	Nature of dealing e.g. opening/ closing a long/ short position, increasing/ reducing a long/ short position	Number of reference securities (Note 6)	Price per unit GBP (Note 5)

Class of relevant security	Product description e.g. call option	Writing, purchasing, selling, varying etc.	Number of securities to which option relates (Note 6)	Exercise price per unit	Type e.g. American, European etc.	Expiry date	Option money paid/ received per unit

Form 8.3 - DCC Energy plc

Companies

UK 100

Latest directors dealings

Class of relevant security	Product description e.g. call option	Exercising/ exercised against	Number of securities	Exercise price per unit (Note 5)

Class of relevant security	Nature of dealing e.g. subscription, conversion, exercise	Details	Price per unit (if applicable) (Note 5)

Date of disclosure	30/09/2026
Contact name	Société Générale - Disclosure team
Telephone number	+33 1 42 14 92 74