January 13, 2000

CEMEX Mexico, S.A. de C.V., successor to TOLMEX, S.A. de C.V., announced today that it has received consents from the holders representing at least a majority of the principal amount of its 8 3/8% Notes due November 1, 2003 (the "Notes"), authorizing certain proposed amendments to the indenture governing the Notes.

Consequently, the consent solicitation will expire at 12:00 noon New York City time, Friday, January 14, 2000, unless extended.

Holders who desire to receive the consent payment of $20 per $1,000 principal amount of Notes, and the tender offer consideration of $980 per $1,000 principal amount of Notes must consent to the proposed amendments and tender their Notes prior to the consent expiration date. Holders who tender after this time will not receive the consent payment and will receive only the tender offer consideration.

The tender offer is currently scheduled to expire at 12:00 noon, New York City time, on Thursday, February 2, 2000. Information regarding payment, tender and delivery procedures and conditions of the tender offer and consent solicitation are contained in CEMEX Mexico´s Offer to Purchase and Consent Solicitation Statement dated January 3, 2000, which has been sent to the holders of the Notes.

CEMEX Mexico, a leading Mexican cement and ready-mix concrete producer, is 97.3% owned by CEMEX. Founded in 1906, CEMEX is one of the three largest cement companies in the world with approximately 65 million metric tons of production capacity. Through operating subsidiaries positioned in four continents, CEMEX is engaged in the production, distribution, marketing and sale of cement, ready-mix concrete, aggregates and clinker. In addition, CEMEX is the world´s leading producer of white cement and the world´s largest trader of cement and clinker.