Pennon Group PLC

Report Publication Announcement • Jun 19, 2023

Pennon Group plc

Peninsula House Rydon Lane Exeter Devon England

EX2 7HR

www.pennon-group.co.uk

20 June 2023

Annual Report and Accounts 2023 (the 'Annual Report 2023') and Annual General Meeting (the 'AGM')

I am pleased to notify you that the Company's Annual Report 2023 has been published and can be viewed on our website at www.pennongroup.co.uk/investor-information/reportsandpresentations.

In addition, the Notice of Meeting for our Annual General Meeting (the 'AGM Notice') has also been published and can be viewed on our website at www.pennon-group.co.uk/investor-information/shareholder-services.

Annual General Meeting 2023

The AGM will take place on Thursday 20 July 2023 at The Courtyard by Marriott, Sandy Park, Sandy Park Way, Exeter, EX2 7NN at 11:00am. Further details about attendance, asking questions and voting at the meeting can be found in the AGM Notice.

Yours sincerely,

Andrew Garard Group General Counsel and Company Secretary Pennon Group plc