March 28, 2011

CEMEX, S.A.B. de C.V. (NYSE: CX), announced today that it has been named the primary cement supplier for the first phase of Reventazón hydroelectric plant project in Costa Rica. The US$ 1.2 billion plant will be the largest of its kind in Central America when the 311 megawatt facility reaches completion in 2016. As the primary supplier, CEMEX will provide 50,000 tons of cement for the first phase of this project.

The Costa Rican Institute of Electricity, which is in charge of the plant’s construction, had several specific requirements for the cement used in the hydroelectric plant. As such, CEMEX is providing cement that has a low heat hydration, high workability, and improved durability, in order to meet these requirements.

“We are honored to have been selected as the supplier for this significant renewable energy project, not only because of its scale and importance to the country of Costa Rica, but also because it represents an important opportunity to provide our customers with a unique solution with our special cement products.” says Carlos González, CEMEX Costa Rica President.

CEMEX is one of the largest building materials companies in Central America with a cement production capacity of 3.3 million metric tons a year in 3 cement plants and 2 grinding mills located in Panama, Costa Rica, Nicaragua and Guatemala. The company also has 30 ready-mix concrete plants and 7 aggregates quarries in the region.

CEMEX in Costa Rica has 11 cement and mortar products in its SANSON line. Two of them were introduced earlier this year: Pegacerámica Premium and Repello Proyectable. Pegaceramica Premium is a mix of cement, selected aggregates, and latex-based additives that makes it ideal for adhering flooring with low or no absorption, such as porcelain and marble. Repello Proyectable is ideal for the first layer of spackle on concrete surfaces and is applied with a spackling machine that reduces waste and increases productivity.

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.

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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, weather conditions, 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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