Notice to Noteholders
Fosse Master Issuer plc
18 October 2024

FOSSE MASTER ISSUER PLC
(a public company incorporated with limited liability in England and Wales
with registered number 5925693)
(the Company)

NOTICE

to the holders of:

£500,000,000 Series 2019-1 Class A2 Floating Rate Notes
(ISIN XS2065729654)
(the 2019-1 Class A2 Notes),

issued by the Company and constituted by a trust deed dated 28 November 2006, as supplemented and amended on 1 August 2007, 21 August 2008, 11 March 2010, 9 September 2010, 21 April 2011, 27 April 2012, 23 May 2012, 19 August 2013, 9 October 2014, 29 April 2016, 7 December 2018, 13 September 2019, 29 July 2021, 28 June 2022, 16 June 2023, 21 June 2024 and 18 October 2024 between the Company and The Bank of New York Mellon, acting through its London Branch in its capacity as trustee.

NOTICE IS HEREBY GIVEN that, following the Extraordinary Resolution by the Noteholders of the 2019-1 Class A2 Notes, certain amendments (including, amongst other changes, in respect of the Final Maturity Date and the Step-Up Date of the 2019-1 Class A2 Notes) have been made to the Master Definitions and Construction Schedule, the Issuer Master Definitions and Construction Schedule, the Fosse 2019-1 Final Terms, the Terms and Conditions of the 2019-1 Notes and the Fosse 2019-1 Loan Tranche Supplement.

The amended and/or restated and/or supplemented (as applicable) Note Trust Deed, Master Definitions and Construction Schedule, Issuer Master Definitions and Construction Schedule, Fosse 2019-1 Final Terms and Fosse 2019-1 Loan Tranche Supplement will shortly be available for inspection at:

https://www.santander.co.uk/uk/about-santander-uk/investor-relations/fosse-master-trust

For further information, please contact:

Medium Term Funding
Santander UK plc
2 Triton Square
Regent's Place
London NW1 3AN

Email: [email protected]

Capitalised terms used in this Notice shall, unless defined herein or the context otherwise requires, bear the meanings given to them in the Eighteenth Amended and Restated Master Definitions and Construction Schedule dated on or about the date hereof and the Thirteenth Amended and Restated Master Issuer Master Definitions and Construction Schedule dated on or about the date hereof , which can also be viewed via the link provided above and/or obtained from the office of the Principal Paying Agent specified above.