0000811830 2026-06-03 2026-06-03 0000811830 1 2026-06-03 2026-06-03 0000811830 2 2026-06-03 2026-06-03 0000811830 3 2026-06-03 2026-06-03 iso4217:USD pure shares S-3 424B3 EX-FILING FEES 333-276089 0000811830 Santander Holdings USA, Inc. N/A N/A S-3 Santander Holdings USA, Inc. false Debt 5.040% Fixed-to-Floating Rate Senior Notes due 2030 true 1000000000 1.00 1000000000.00 0.0001381 138100.00 false Debt 5.220% Fixed-to-Floating Rate Senior Notes due 2032 true 750000000 1.00 750000000.00 0.0001381 103575.00 false Debt 5.701% Fixed-to-Floating Rate Senior Notes due 2037 true 750000000 1.00 750000000.00 0.0001381 103575.00 2500000000.00 345250.00 0.00 0.00 345250.00 In accordance with Rules 456(b) and 457(r) under the Securities Act of 1933, as amended, Santander Holdings USA, Inc. (the "Company") initially deferred payment of all of the registration fees for the Registration Statement on Form S-3 (Registration No. 333-275858), filed with the Securities and Exchange Commission (the "SEC") on December 1, 2023. This filing fee exhibit is in connection with a final prospectus supplement dated June 2, 2026, filed by the Company with the SEC pursuant to Rule 424(b) of the Securities Act. See note 1. See note 1. 2500000000.00 true