NATIONWIDE BUILDING SOCIETY*

(the Society)

NOTICE

to the holders of the

£125,000,000 6.25% Permanent Interest Bearing Shares originally issued by Portman Building Society

(ISIN: GB0033627968)

(the PIBS)

NOTICE IS HEREBY GIVEN by the Society to the holders of the PIBS that, having obtained Relevant Supervisory Consent from the Prudential Regulation Authority in accordance with Condition 4(2) (Repayment) of the PIBS, the Society will repay the PIBS in full on 22 October 2024 pursuant to Condition 4(2) (Repayment) of the PIBS.

The PIBS will be repaid at their principal amount, together with unpaid interest accrued to (but excluding) the repayment date.

Following redemption of the PIBS, (i) the PIBS will be cancelled and no further interest payments will be made and (ii) request will be made to the Financial Conduct Authority (the FCA) for the listing of the PIBS on the Official List of the FCA and the admission to trading on the regulated market of the London Stock Exchange to be cancelled.

Unless otherwise defined in this Notice, terms used in this Notice have the meanings given to them in the Special Conditions of the Issue of the PIBS (the Conditions, and references to a numbered Condition shall be read accordingly).

For further information, please contact:

Nationwide Building Society

Sarah Abercrombie

Head of Investor Relations, Credit Ratings and Treasury Sustainability

Telephone: +44 (0) 7587886500

Email: Sarah.Abercrombie@nationwide.co.uk

Nationwide Building Society

Nationwide House

Pipers Way

Swindon SN38 1NW

Dated: 23 August 2024

* LEI: 549300XFX12G42QIKN82