Irish Form 38.5 B DCC ENERGY PLC

FORM 38.5(b)

IRISH TAKEOVER PANEL

OPENING POSITION DISCLOSURE/DEALING DISCLOSURE

UNDER RULE 38.5(b) OF THE IRISH TAKEOVER

PANEL ACT, 1997, TAKEOVER RULES, 2022 BY A CONNECTED

EXEMPT PRINCIPAL TRADER WITHOUT RECOGNISED

INTERMEDIARY STATUS, OR WITH RECOGNISED INTERMEDIARY

STATUS BUT NOT DEALING IN A CLIENT-SERVING CAPACITY

1. KEY INFORMATION

(a) Name of exempt principal trader

BARCLAYS CAPITAL SECURITIES LTD

(b) Name of offeror/offeree in relation to whose relevant securities this form relates:

DCC ENERGY PLC

(c) Name of the party to the offer with which exempt principal trader is connected (Note 1)

ENERGY CAPITAL PARTNERS, LLC AND KOHLBERG KRAVIS ROBERTS & CO. L. P.

(d) Date position held/dealing undertaken:

09 Nov 2026

(e) In addition to the company in 1(b) above, is the exempt principal trader making disclosures in respect of any other party to the offer?

NO

2. INTERESTS AND SHORT POSITIONS

Interests and short positions in the relevant securities of the offeror or offeree to which the disclosure relates following the dealing (if any) (Note 2)

(Note 2)

Class of relevant security :

€0.25 ordinary shares

Interests

Short Positions

Number

(%)

Number

(%)

(1) Relevant securities owned and/or controlled:

2,457,064

2.88%

22,623

0.03%

(2) Cash-settled derivatives:

21,282

0.02%

2,275,839

2.66%

(3) Stock-settled derivatives (including options) and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

2,478,346

2.90%

2,298,462

2.69%

3. DEALINGS (IF ANY) BY THE EXEMPT PRINCIPAL TRADER (Note 4)

(a) Purchases and sales

Class of relevant Security

Purchase/sale

Total number of securities

Highest price per unit paid/received

Lowest price per unit paid/received

€0.25 ordinary shares

Sale

46,563

64.6000 GBP

64.5000 GBP

€0.25 ordinary shares

Purchase

110,983

64.6045 GBP

64.5000 GBP

(b) Cash-settled derivative transactions

Class of relevant security

Product description

Nature of dealing

Number of reference securities

Price per unit(Note 4)

€0.25 ordinary shares

SWAP

Increasing Short

5,999

64.6045 GBP

€0.25 ordinary shares

SWAP

Increasing Short

64

64.6000 GBP

€0.25 ordinary shares

SWAP

Decreasing Short

28

64.5000 GBP

€0.25 ordinary shares

SWAP

Decreasing Short

3,702

64.5500 GBP

€0.25 ordinary shares

CFD

Decreasing Short

1,668

64.5461 GBP

€0.25 ordinary shares

SWAP

Decreasing Short

303

64.5448 GBP

€0.25 ordinary shares

SWAP

Increasing Short

2,429

64.5677 GBP

€0.25 ordinary shares

SWAP

Increasing Short

1,901

64.5545 GBP

€0.25 ordinary shares

SWAP

Increasing Short

1,076

64.5991 GBP

€0.25 ordinary shares

SWAP

Decreasing Short

20,084

64.5500 GBP

€0.25 ordinary shares

SWAP

Increasing Short

552

64.5637 GBP

€0.25 ordinary shares

SWAP

Decreasing Short

15

64.5500 GBP

€0.25 ordinary shares

SWAP

Decreasing Short

100

64.5450 GBP

€0.25 ordinary shares

SWAP

Decreasing Short

10

64.5700 GBP

€0.25 ordinary shares

SWAP

Decreasing Short

222

64.5260 GBP

€0.25 ordinary shares

SWAP

Increasing Short

544

64.6000 GBP

€0.25 ordinary shares

SWAP

Decreasing Short

2

64.6000 GBP

€0.25 ordinary shares

SWAP

Decreasing Short

340

64.5250 GBP

€0.25 ordinary shares

SWAP

Increasing Short

200

64.6000 GBP

€0.25 ordinary shares

SWAP

Increasing Short

30,000

64.5322 GBP

€0.25 ordinary shares

SWAP

Increasing Short

249

64.6000 GBP

€0.25 ordinary shares

SWAP

Increasing Short

54,688

64.5557 GBP

€0.25 ordinary shares

SWAP

Increasing Short

468

64.5878 GBP

€0.25 ordinary shares

SWAP

Decreasing Short

2,892

64.5374 GBP

€0.25 ordinary shares

SWAP

Decreasing Short

4,409

64.5022 GBP

(c) Stock-settled derivative transactions (including options)

(i) Writing, selling, purchasing or varying

Class of

Product description

Writing, purchasing,

Number of securities

Exercise price

Type

Expiry date

Option money

relevant security

selling,

to which option

per unit

paid/received per unit

varying etc.

relates (Note 7)

(ii) Exercising

Class of relevant security

Product description

Exercising/ exercised against

Number of securities

Exercise price per unit

(d) Other dealings (including subscribing for new securities)

Class of relevant security

Nature of Dealings

Details

Price per unit

(Note 7)

(if applicable) (Note 4)

4. OTHER INFORMATION

(a) Indemnity and other dealings 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:

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

(c) Attachments

Is a Supplemental Form 8 attached?

NO

Date of disclosure:

10 Nov 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213