Banco Santander-Chile Debt Financing

Banco Santander-Chile announced the placement of Ch$ 10,500,000,000 in dematerialized bearer bonds, Series BF, with ticker BSTDBF0325. These bonds mature on September 1, 2031, and were placed at an average interest rate of 6.00%. This placement was made under the credit line registered with the CMF Securities Registry under number 20240007 on April 30, 2025. The report was filed on May 20, 2026, in compliance with Chilean securities market regulations.