October 8, 2010

CEMEX (NYSE: CX), announced today that pursuant to the exercise of a put option by Ready Mix USA it will acquire its partner's interests in the two joint ventures between CEMEX and Ready Mix USA which have cement, aggregates, ready mix and block assets located in Southeastern USA.

The purchase price will be determined jointly by CEMEX and Ready Mix USA based on a pre-determined methodology. CEMEX currently estimates the purchase price for its partner's interests will be around US$360 million. At closing, CEMEX will also consolidate approximately US$17 million in net debt held by one of the joint ventures. Closing is expected to take place in September 2011.

The two joint ventures, which were created in 2005, are comprised of the following assets:

The joint venture operated by CEMEX owns the Demopolis cement plant in Alabama with an annual installed capacity of 0.9 million tons, the Clinchfield cement plant in Georgia with an annual installed capacity of 0.8 million tons, and 12 cement terminals.

The joint venture operated by Ready Mix USA owns 10 sand and gravel pits, 149 concrete plants and 20 block plants located throughout the states of Arkansas, Mississippi, Tennessee, Alabama, Georgia and the Florida Panhandle. Ready Mix USA will continue to manage this joint venture until the closing of the transaction.

CEMEX is a global building materials company that provides high-quality products and reliable service to customers and communities in more than 50 countries throughout the world. CEMEX has a rich history of improving the well-being of those it serves through its efforts to pursue innovative industry solutions and efficiency advancements and to promote a sustainable future. For more information, visit www.cemex.com.

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This press release contains forward-looking statements and information that are necessarily subject to risks, uncertainties, and assumptions. Many factors could cause the actual results, performance, or achievements of CEMEX to be materially different from those expressed or implied in this release, including, among others, changes in general economic, political, governmental and business conditions globally and in the countries in which CEMEX does business, changes in interest rates, changes in inflation rates, changes in exchange rates, the level of construction generally, changes in cement demand and prices, changes in raw material and energy prices, changes in business strategy, and various other factors. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those described herein. CEMEX assumes no obligation to update or correct the information contained in this press release.

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