Media Relations             Investor Relations          Analyst Relations
Daniel Perez Whitaker       Abraham Rodriguez           Jose Antonio Gonzalez
(52 81) 8152-2747           (52 81) 8328-3631           (212) 317-6017
daniel_pw@cemex.com         arodriguez@cemex.com        josegonzalez@cemex.com



             CEMEX, S.A. de C.V. ANNOUNCES EARLY TERMINATION OF
          HART-SCOTT-RODINO WAITING PERIOD AND RECEIPT OF CERTAIN
           CONSENTS REQUIRED IN CONNECTION WITH TENDER OFFER FOR
                     PUERTO RICAN CEMENT COMPANY, INC.

MONTERREY, MEXICO, AND SAN JUAN, PUERTO RICO, July 8, 2002 - CEMEX, S.A. de
C.V. ("CEMEX", NYSE: CX), through its subsidiary, Tricem Acquisition, Corp.
("Tricem"), announced today that on July 3, 2002, it was advised that the
waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of
1976, as amended, applicable to the $35.00 per share cash tender offer for
all outstanding shares of common stock of Puerto Rican Cement Company, Inc.
("PRCC", NYSE: PRN), was terminated early. Accordingly, the condition to
the tender offer relating to the expiration or termination of the waiting
period under the Hart-Scott-Rodino Antitrust Improvements Act has been
satisfied.

In addition, CEMEX, through Tricem, also announced that it was advised
today by PRCC that it had been advised by the United States Nuclear
Regulatory Commission that it had no regulatory objection to the tender
offer and that it had received waivers or consents under certain of its or
its subsidiaries' credit agreements with Banco Popular de Puerto Rico
required in connection with the tender offer. Accordingly, the conditions
to the tender offer relating to these matters have been satisfied. The
tender offer continues to be subject to certain other conditions,
including, but not limited to, the valid tender of that number of PRCC
shares which represents a majority of PRCC's outstanding shares on a fully
diluted basis.

The tender offer and related withdrawal rights currently are scheduled to
expire on Monday, July 29, 2002, at 12:00 midnight, Eastern time, unless
the offer is extended.

Copies of the tender offer can be obtained from Georgeson Shareholder
Communications Inc., the information agent for the tender offer, at
1-800-616-5497. A copy of the tender offer also has been filed with the
U.S. Securities and Exchange Commission. Investors and security holders may
obtain a copy of the tender offer and related documents filed by CEMEX with
the Commission at www.sec.gov.

CEMEX is a leading global producer and marketer of cement and ready-mix
products, with operations concentrated in the world's most dynamic cement
markets across four continents. CEMEX combines a deep knowledge of the
local markets with its global network and information technology systems to
provide world-class products and services to its customers, from individual
homebuilders to large industrial contractors. For more information, visit
www.cemex.com.


This press release is for informational purposes only. The solicitation of
offers to buy PRCC shares will only be made pursuant to the offer to
purchase and related materials that Tricem will file and will send to PRCC
shareholders. This communication shall not constitute a solicitation of an
offer to purchase in any jurisdiction in which such offer, solicitation or
sale would be unlawful.