EXHIBIT I

JOINT FILING AGREEMENT

This will confirm the agreement by and among the undersigned that the Schedule 13G filed with the Securities and Exchange Commission on or about the date hereof with respect to the beneficial ownership by the undersigned (assuming conversion of the Class C Common Shares held by the undersigned into Class A Common Shares) of the Class A Common Shares, par value $0.01 per share, of BBB Foods Inc., a company limited by shares incorporated under the laws of the British Virgin Islands, will be filed on behalf of each of the persons and entities named below in accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. This Agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.

Dated: May 12, 2025

	QS Management Ltd.


	By:	/s/ Rémi Massé
	Name:	Rémi Massé
	Title:	Director


	By:	/s/ Jean-Francois Le Ruyet
	Name:	Jean-Francois Le Ruyet
	Title:	Director

	QS 3B Aggregator Inc.


	By:	/s/ Rémi Massé
	Name:	Rémi Massé
	Title:	Director of QS Management Ltd.


	By:	/s/ Jean-Francois Le Ruyet
	Name:	Jean-Francois Le Ruyet
	Title:	Director of QS Management Ltd.

	QS Direct SI 2 S.C.A., SICAR, in liquidation


	By:	/s/ Rosalie Bacou
	Name:	Rosalie Bacou
	Title:	Permanent representative of QS Direct SI 2, itself acting as liquidator

	QS Direct SI 2


	By:	/s/ Rosalie Bacou
	Name:	Rosalie Bacou
	Title:	Manager

	Quilvest Capital Partners SA


	By:	/s/ Alexis Meffre
	Name:	Alexis Meffre
	Title:	CEO

	Bemberg Capital


	By:	/s/ Adrien de Boisanger
	Name:	Adrien de Boisanger
	Title:	Executive Chairman

BBB FOODS INC SCHEDULE 13G/A