REG — Banco Santander S.A. — Buyback programme: transactions 17 — 23sept
For best results when printing this announcement, please click on link below: RNS Number: 1843W Banco Santander S.A. 24 September 2026 Banco Santander, S.A. (the "Bank" or "Banco Santander"), in compliance with the Securities Market legislation, hereby communicates the following: OTHER RELEVANT INFORMATION Reference is