Announcement of Novation of Swap

MORTIMER BTL 2020-1 PLC (incorporated with limited liability in England and Wales registered number 12361835)

(the Issuer)

£242,249,000 CLASS A NOTES DUE JUNE 2052

ISIN: XS2128020778; Common Code: 212802077

£15,674,000 CLASS B NOTES DUE JUNE 2052

ISIN: XS2128023285; Common Code: 212802328

£11,399,000 CLASS C NOTES DUE JUNE 2052

ISIN: XS2128026890; Common Code: 212802689

£9,974,000 CLASS D NOTES DUE JUNE 2052

ISIN: XS2128027195; Common Code: 212802719

£5,699,000 CLASS E NOTES DUE JUNE 2052

ISIN: XS2128027278; Common Code: 212802727

£9,974,000 CLASS X NOTES DUE JUNE 2052

ISIN: XS2128027351; Common Code: 212802735

£4,385,000 CLASS Z NOTES DUE JUNE 2052

ISIN: XS2128027435; Common Code: 212802743

 (together, the Notes)

1,000 CERTIFICATES

ISIN: XS2128034308; Common Code: 212803430

(the Certificates)

ANNOUNCEMENT OF NOVATION OF SWAP

NOTICE IS HEREBY GIVEN THAT on 22 December 2020, the Issuer, the original Swap Counterparty and National Australia Bank Limited (the New Swap Counterparty) entered into a novation agreement pursuant to which the rights, liabilities, duties and obligations of the original Swap Counterparty under the Swap Agreement were transferred to the New Swap Counterparty.

S&P Global Ratings provided a rating confirmation to the Issuer confirming that the entry into the novation agreement would not in and of themselves result in a downgrade or withdrawal or qualification of the ratings assigned by S&P Global Ratings to the Notes.

Fitch Ratings confirmed to the Issuer that as the proposed changes described in the novation agreement are not material to the ratings they would not issue a rating confirmation.

The novation agreement between the Issuer, the original Swap Counterparty and the New Swap Counterparty is available for viewing electronically via the following link:

https://www.eurodw.eu/

These changes were effective on 22 December 2020.

For further information, please contact:

Mortimer BTL 2020-1 PLC

8th Floor, 100 Bishopsgate

London, EC2N 4AG, United Kingdom

Email: [email protected]

Attention: The Directors

Disclaimer - Intended Addressees

Please note that the information contained in this announcement and the Final Terms may be addressed to and/or targeted at persons who are residents of particular countries (specified in the Base Prospectus) only and is not intended for use and should not be relied upon by any person outside these countries and/or to whom this announcement and Final Terms are not addressed. Prior to relying on the information contained in this announcement and the Final Terms, you must ascertain from the Base Prospectus whether or not you are one of the intended addressees of the information contained in this announcement and the Final Terms.

In particular, this announcement and the Final Terms do not constitute an offer or invitation to subscribe for, or purchase, securities in the United States or in any other jurisdiction where such an offer or invitation would be unlawful. This announcement and the Final Terms are not for distribution in the United States or to U.S. persons (as defined below). The securities described herein have not been, and will not be, registered under the U.S. Securities Act of 1933, as amended (the Securities Act) or under any relevant securities laws of any state of the United States of America and are subject to U.S. tax law requirements. The securities may not be offered or sold within the United States or to, or for the account or benefit of, U.S. persons or to persons within the United States of America (as such terms are defined in Regulation S under the Securities Act) except pursuant to registration or an exemption from the registration requirements of the Securities Act. There will be no public offering of the securities in the United States. For a description of the restrictions on offers and sales of the securities described herein, please refer to the Supplementary Prospectus and Base Prospectus.

Your right to access this service is conditional upon complying with the above requirement.