Holding in Company TR-1

DCC Energy PLC

10 September 2026

 

TR-1: Standard form for notification of major holdings

1. Issuer Details

ISIN

IE0002424939

Issuer Name

DCC Energy plc

UK or Non-UK Issuer

UK

2. Reason for Notification

An acquisition or disposal of financial instruments

3. Details of person subject to the notification obligation

Name

Citadel GP LLC

City of registered office (if applicable)

Country of registered office (if applicable)

US

Name	City of registered office	Country of registered office
Kenneth C. Griffin
Citadel GP LLC	Delaware	United States of America
Citadel Advisors Holdings LP	Delaware	United States of America
Citadel Advisors LLC	Delaware	United States of America

4. Details of the shareholder

Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above

City of registered office (if applicable)

Country of registered office (if applicable)

5. Date on which the threshold was crossed or reached

08-Sep-2026

6. Date on which Issuer notified

10-Sep-2026

7. Total positions of person(s) subject to the notification obligation

	% of voting rights attached to shares (total of 8.A)	% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)	Total of both in % (8.A + 8.B)	Total number of voting rights held in issuer
Resulting situation on the date on which threshold was crossed or reached	0.497634	4.557660	5.055294	4318442
Position of previous notification (if applicable)

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached

8A. Voting rights attached to shares

Class/Type of shares ISIN code(if possible)	Number of direct voting rights (DTR5.1)	Number of indirect voting rights (DTR5.2.1)	% of direct voting rights (DTR5.1)	% of indirect voting rights (DTR5.2.1)
IE0002424939		425100		0.497634
Sub Total 8.A	425100		0.497634%

8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))

Type of financial instrument	Expiration date	Exercise/conversion period	Number of voting rights that may be acquired if the instrument is exercised/converted	% of voting rights
Sub Total 8.B1

8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))

Type of financial instrument	Expiration date	Exercise/conversion period	Physical or cash settlement	Number of voting rights	% of voting rights
Swaps	Automatically renewable	N/A	Cash	3893342	4.557660
Sub Total 8.B2				3893342	4.557660%

9. Information in relation to the person subject to the notification obligation

2. Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entities (please add additional rows as necessary)

Ultimate controlling person	Name of controlled undertaking	% of voting rights if it equals or is higher than the notifiable threshold	% of voting rights through financial instruments if it equals or is higher than the notifiable threshold	Total of both if it equals or is higher than the notifiable threshold
Kenneth C. Griffin	Citadel GP LLC			5.052586%
Kenneth C. Griffin	Citadel Advisors Holdings LP			5.052586%
Kenneth C. Griffin	Citadel Advisors LLC			5.052586%

10. In case of proxy voting

Name of the proxy holder

Institutional Shareholder Services Inc.

The number and % of voting rights held

425,100 and 0.497634%

The date until which the voting rights will be held

If date does not apply, explain below

Date is not limited.

11. Additional Information

12. Date of Completion

10-Sep-2026

13. Place Of Completion

London, UK

 

END