BMA

Business Context and Reporting Period

This Form 6-K filing by Macro Bank Inc. (Banco Macro S.A.) is dated May 6, 2026. The report discloses a relevant event concerning the authorization and scheduling of a cash dividend payment to shareholders, following approval by the Central Bank of the Republic of Argentina and the company's Board of Directors.

Key Financial Metrics

• Total Dividend Authorized: AR $138,956,468,470 (nominal) or AR $147,101,261,954 (expressed in constant currency as of February 28, 2026).
• Dividend Per Share: AR $76.6882980676.
• Dividend Yield on Capital: 7,668.8298% of the outstanding capital stock (AR $639,390,301).
• Tax Withholding: Subject to a 7% withholding under Section 97 of the Income Tax Law.
• Payment Structure: Three equal, non-cumulative monthly installments.

Material Changes and Payment Schedule

The Board of Directors resolved on May 6, 2026, to distribute the dividend in three installments. The first installment notice was published simultaneously with this filing.

Record Date: May 18, 2026.

Guidance, Outlook, and Management Commentary

The filing does not provide forward-looking guidance, revenue projections, or management commentary regarding future operational performance. The document focuses exclusively on the mechanics of the dividend distribution authorized by the Superintendency of Financial and Exchange Entities of the Central Bank of the Republic of Argentina.

Payment Logistics: Funds will be available at Caja de Valores S.A. in Buenos Aires. ADR holders will receive dividends through The Bank of New York Mellon.

Investor Verification Checklist

• Verify the impact of the 7% income tax withholding on net dividend proceeds.
• Confirm the exchange rate used for the "constant currency" valuation (as of Feb 28, 2026) versus the nominal ARS amount.
• Check the specific depositary agreement terms for ADR holders regarding the timing of receipt.
• Confirm the record date of May 18, 2026, to ensure eligibility for the first installment.