Notice of Optional Redemption in Full

THIS ANNOUNCEMENT RELATES TO THE DISCLOSURE OF INFORMATION THAT QUALIFIED OR MAY HAVE QUALIFIED AS INSIDE INFORMATION WITHIN THE MEANING OF ARTICLE 7(1) OF THE MARKET ABUSE REGULATION (EU) 596/2014 AS IT FORMS PART OF DOMESTIC LAW BY VIRTUE OF THE EUROPEAN UNION (WITHDRAWAL) ACT 2018.

NOTICE OF OPTIONAL REDEMPTION IN FULL

SANTANDER UK GROUP HOLDINGS PLC(the "Issuer")

£450,000,000 FIXED RATE RESET PERPETUAL ADDITIONAL TIER 1 CAPITAL SECURITIES(the "Securities")ISIN: XS2300344863

NOTICE IS HEREBY GIVEN to the holders of the Securities that, pursuant to Condition 6.2 (Redemption at the option of the Issuer) of the terms and conditions of the Securities contained in the Offering Memorandum dated 16 March 2021 (the "Conditions"), the Issuer will redeem the Securities in full on 24 March 2026 (the "Optional Redemption Date") at their principal amount, together with any unpaid Distributions accrued to, but excluding, the Optional Redemption Date (but excluding any Distributions which have been cancelled in accordance with the Conditions). The Issuer will request the cancellation of the admission to trading of the Securities on the International Securities Market of the London Stock Exchange with effect on and from the Optional Redemption Date.

Expressions defined in the Conditions shall, unless defined herein or the context otherwise requires, have the same meaning in this notice.

Santander UK Group Holdings plc Dated: 19 February 2026

For further information, please contact:

Funding, Asset Rotation and Investor Relations

Santander UK plc

2 Triton SquareRegent's PlaceLondon NW1 3AN

Email: [email protected]