TCA Tanoira Cassagne advised Tostex S.A. as issuer (the “Issuer”) and Banco de Servicios y Transacciones S.A.U.; Banco de la Provincia de Buenos Aires; and Banco de Galicia y Buenos Aires S.A. as arrangers and placement agents, in the issuance of the Series I Notes under the Low-Impact Public Offering Regime with Automatic Authorization for a nominal amount of ARS 2,000,000,000; denominated and payable in Argentine Pesos, which will accrue interest at a floating rate equal to the Private TAMAR Rate plus a negative margin of -1%, maturing on June 10, 2028 (the “Notes”).

The Notes were issued on June 10, 2026 and are fully guaranteed by Banco de Servicios y Transacciones S.A.U., Banco de la Provincia de Buenos Aires, and Banco de Galicia y Buenos Aires S.A. as guarantor entities authorized by the National Securities and Exchange Commission (CNV for its acronym in Spanish).

Tostex S.A. is an Argentine company engaged in the production of cookies, snacks, and cereals, founded in 2005 in the city of Tres Arroyos, Province of Buenos Aires. It is a first-generation family business that, over the years, has built a professional team and a culture of continuous improvement focused on quality.

Deal Counsel: TCA Tanoira Cassagne through a team led by Partners Alexia Rosenthal and Jaime Uranga; and associates Carolina Mercero and Ignacio Larreguy.