Banco Santander Mexico S A Institución de Banca Múltiple Grupo Financiero Santander Mexico : MÉXICO, ANNOUNCES THAT IT HAS PRICED ITS PERPETUAL SUBORDINATED NON-PREFERRED CONTINGENT CONVERTIBLE ADDITIONAL TIER 1 CAPITAL NOTES (Form 6-K)

BANCO SANTANDER MÉXICO, ANNOUNCES THAT IT HAS PRICED ITS PERPETUAL SUBORDINATED NON-PREFERRED CONTINGENT CONVERTIBLE ADDITIONAL TIER 1 CAPITAL NOTES

Mexico City, Mexico, September 9, 2021 - Banco Santander México, S.A., Institución de Banca Múltiple, Grupo Financiero Santander México (BMV: BSMX; NYSE: BSMX) ('Banco Santander México' or the 'Bank'), one of the leading banking institutions in Mexico, announced today that it has priced U.S.$700 million aggregate principal amount of 4.625% Perpetual Subordinated Non-Preferred Contingent Convertible Additional Tier 1 Capital Notes (the 'AT1 Notes').The AT1 Notes were sold for 100% of their principal amount and each AT1 Note is mandatorily convertible, in certain regulatory circumstances, into ordinary shares of the Bank at the higher of the volume weighted average of the ordinary shares closing price on the Mexican Stock Exchange for the thirty (30) consecutive business days immediately preceding the conversion date and a floor price of Ps.13.33.

Banco Santander S.A., majority shareholder of Grupo Financiero Santander México, S.A. de C.V., the Bank's holding company, agreed to take 100% of the total amount of the Obligations. The AT1 Notes were sold in a private placement and have not been and are not expected to be registered under the Securities Act of 1933 or in the Mexican National Securities Registry (Registro Nacional de Valores) of the Mexican National Banking and Securities Commission (Comisión Nacional Bancaria y de Valores).

The sale is expected to close on September 15, 2021.

This material fact announcement is required to be made under Mexican law and does not constitute an offer to sell or the solicitation of an offer to buy the AT1 Notes, nor shall there be any offer or sale of the AT1 Notes in Mexico or any other jurisdiction in which such offer, solicitation or sale would be prohibited prior to approval, registration or qualification under the securities laws of Mexico or any such jurisdiction.

ABOUT BANCO SANTANDER MéXICO (NYSE: BSMX; BMV: BSMX)

Banco Santander México, S.A., Institución de Banca Múltiple, Grupo Financiero Santander México (Banco Santander México), one of Mexico's leading banking institutions, provides a wide range of financial and related services, including retail and commercial banking, financial advisory and other related investment activities. Banco Santander México offers a multichannel financial services platform focused on mid- to high-income individuals and small- to medium-sized enterprises, while also providing integrated financial services to larger multinational companies in Mexico. As of June 30th, 2021, Banco Santander México had total assets of Ps.1,634 billion under Mexican Banking GAAP and more than 19.2 million customers. Headquartered in Mexico City, the Company operates 1,352 branches and offices nationwide and has a total of 23,512 employees.

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Material Fact
Banco Santander Mexico