BANCO SANTANDER S.A.: Banco Santander communicates the transactions over its own shares which it has carried out between 19 and 26 February 2026 under the buyback programme

POLISH FINANCIAL SUPERVISION AUTHORITY

UNI - EN REPORT No

/

2026

Date of issue:

2026-02-27

Short name of the issuer

BANCO SANTANDER S.A.

Subject

Banco Santander communicates the transactions over its own shares which it has carried out between 19 and 26 February 2026 under the buyback programme

Official market - legal basis

Other regulations

Unofficial market - legal basis

Contents of the report:

Content of the report is enclosed hereto.

Annexes

File

Description

EN HR periodico PR 3. 19 a 26 feb.pdf

(fullname of the issuer)

(short name of the issuer)

(sector according to clasification

of the WSE in Warsow)

(post code)

(city)

(street)

(number)

(phone number)

(fax)

(e-mail)

(web site)

(NIP)

(REGON)

SIGNATURE OF PERSONS REPRESENTING THE COMPANY