Officer Sale of Class C Common Shares

Eduardo Pizzuto Espinosa, the Chief Financial Officer of BBB FOODS INC, reported a transaction involving 180,000 Class C Common Shares on June 1, 2026. These shares automatically converted into Class A Common Shares at a price of $32.50 per share, less underwriting discounts, immediately upon their sale in the company's follow-on offering. The transaction is exempt from Section 16(b) of the Securities Exchange Act of 1934 due to the issuer's status as a foreign private issuer. Post-transaction, Espinosa holds 830,714 shares, including unvested restricted stock units. A power of attorney document was also filed, authorizing Amparo Martinez Ruiz to execute SEC filings on behalf of Espinosa.