<SEC-DOCUMENT>0001087711-26-000015-index.html : 20260723
<SEC-HEADER>0001087711-26-000015.hdr.sgml : 20260723
<ACCEPTANCE-DATETIME>20260723124556
ACCESSION NUMBER: 0001087711-26-000015
CONFORMED SUBMISSION TYPE: 6-K
PUBLIC DOCUMENT COUNT: 5
CONFORMED PERIOD OF REPORT: 20260723
FILED AS OF DATE: 20260723
DATE AS OF CHANGE: 20260723

FILER:

 COMPANY DATA: 
 COMPANY CONFORMED NAME: Santander UK plc
 CENTRAL INDEX KEY: 0001087711
 STANDARD INDUSTRIAL CLASSIFICATION: COMMERCIAL BANKS, NEC [6029]
 ORGANIZATION NAME: 02 Finance
 EIN: 000000000
 FISCAL YEAR END: 1231

 FILING VALUES:
 FORM TYPE: 6-K
 SEC ACT: 1934 Act
 SEC FILE NUMBER: 001-14928
 FILM NUMBER: 261196236

 BUSINESS ADDRESS: 
 ADDRESS IS A NON US LOCATION: YES
 STREET 1: 2 TRITON SQUARE, REGENT'S PLACE
 CITY: LONDON
 PROVINCE COUNTRY: X0
 BUSINESS PHONE: 011 44 870 607 6000

 MAIL ADDRESS: 
 ADDRESS IS A NON US LOCATION: YES
 STREET 1: 2 TRITON SQUARE, REGENT'S PLACE
 CITY: LONDON
 PROVINCE COUNTRY: X0

 FORMER COMPANY: 
 FORMER CONFORMED NAME: ABBEY NATIONAL PLC
 DATE OF NAME CHANGE: 19990601
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>a6krfb20260723excoappoin.htm
<DESCRIPTION>6-K
<TEXT>
Document 1 - file: a6krfb20260723excoappoin.htm

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
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<TEXT>
Document 2 - file: a6krfb20260723excoappoin001.jpg

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<SEQUENCE>3
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<TEXT>
Document 3 - file: a6krfb20260723excoappoin002.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>a6krfb20260723excoappoin003.jpg
<TEXT>
Document 4 - file: a6krfb20260723excoappoin003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>a6krfb20260723excoappoin004.jpg
<TEXT>
Document 5 - file: a6krfb20260723excoappoin004.jpg

</DOCUMENT>
</SEC-DOCUMENT>