Report of Foreign Private Issuer

This report details the designation of the Audit Committee members for Macro Bank Inc., effective April 8, 2026. The committee will consist of Messrs. Mario Luis Vicens, Fabián Alejandro de Paul, and Sebastián Palla. Notably, Mr. Fabián Alejandro de Paul has been appointed as the Financial Expert of the Audit Committee, fulfilling the requirements of the Sarbanes Oxley Act of 2002. The filing is made by Macro Bank Inc. pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934, indicating it is a report submitted by a foreign private issuer. The document was signed by Jorge F. Scarinci, Chief Financial Officer.