Annual General Meeting 2024

Meeting Arrangements

The Centrica plc Annual General Meeting (AGM) 2024 will be held at Hilton Glasgow, 1 William Street, Glasgow G3 8HT on 5 June 2024 at 10.30am. Shareholders can join the meeting electronically via a live webcast.

Full details of the business of the meeting and information on how to join electronically via the live webcast can be found on pages 3, 12, 13, 14 and 15 of the Notice of Meeting .

We strongly encourage shareholders to vote on all resolutions in advance of the meeting by submitting proxy forms either electronically or by post.

Shareholder and Investor Question Form

Shareholders, proxies and corporate representatives can submit questions they would like to raise at the AGM. The link will be available here from 25 April 2024 until no later than 5.00pm on 25 May 2024. Shareholders will also be able to ask questions at the meeting. Shareholders may submit their questions either:

• (a) as written text, via the messaging function on the electronic meeting platform;
• (b) upon registration at the venue; and
• (c) orally, in person or via teleconference, details of which will be provided once you are logged in to the electronic meeting platform.

To help enable a purposeful question and answer session, we encourage shareholders to keep questions succinct and relevant.

Question form

Proxy or Voting Form requests

Where possible, we would encourage you to submit your vote electronically. You will need your Voting ID, Task ID and Shareholder Reference Number. If you do require a hard copy of the proxy or voting forms, these can be downloaded below.

Once downloaded, please complete in accordance with the instructions on the form. Please ensure you also add your full name, postcode and Shareholder Reference Number if known. You may, if you prefer, return the form in a sealed envelope to Freepost RTHJ-CLLL-KBKU, Equiniti, Aspect House, Spencer Road, Lancing BN99 8LU. Please allow one week before the deadline to ensure your form arrives in time.

If you hold shares in your own name on the register of members, the relevant proxy form can be downloaded here. To be valid, your instruction must be received by Equiniti no later than 10.30am on Monday, 3 June 2024.

If you hold your shares through FlexiShare, the voting instruction form can be downloaded here. To be valid, your instruction must be received no later than 10.30am on Friday, 31 May 2024.

If you are the beneficial owner of shares who has been nominated by a registered holder to enjoy information rights, you must contact the registered holder of the shares i.e., the nominee or custodian who looks after your shares on your behalf. Any appointed proxies and corporate representatives who wish to attend the meeting electronically via a live webcast must contact Equiniti by 10.30am on Tuesday, 4 June 2024 to have the appointment verified and to be issued with the relevant SRN and PIN to log in.

If you have a query in relation to your shareholder reference number, please contact Equiniti, on +44 0371-384-2985 or email customer@equiniti.com.

Documents for Inspection

If you wish to inspect the documents for inspection, please contact us by email to shareholders@centrica.com.

Key documents can be downloaded below.