August 10, 1999

CEMEX S.A. de C.V. (CMXBY: OTC) announced today that it will commence an exchange offer of its common stock shares into new CPOs (certificados de participacion ordinaria), with the purpose of listing the new CPOs on the New York Stock Exchange (NYSE).

The exchange offer completion and conversion of old CPOs into new CPOs is subject to approval by holders of the old CPOs at a special meeting. The exchange offer will begin on August 10, 1999 and end on September 13, 1999 in the United States and on September 14, 1999 in Mexico.

A simultaneous stock split will be executed. As a result of this stock split, each holder of a share of CEMEX common stock, regardless of whether it is an old A share, old CPO share (representing an economic interest in one old A share), or an old B share, will receive two new A shares and one new B share in place of that holder´s old share.

The new CPO, which will be offered in exchange for the old securities, will represent an interest in two new A shares and one new B share. The shareholder´s proportional equity interest in CEMEX will not change as a result of the exchange offer or the stock split.

Founded in 1906, CEMEX is one of the three largest cement companies in the world with approximately 60 million metric tons of production capacity. Through operating subsidiaries positioned in three different continents, CEMEX is engaged in the production, distribution, marketing and sale of cement, ready-mix concrete, aggregates and clinker. In addition, the company is the world´s leading producer of white cement and the world´s largest trader of cement and clinker.