May 18, 2009

CEMEX, S.A.B. de C.V. (NYSE: CX) -in collaboration with the World Business Council for Sustainable Development (WBCSD) and a group of leading companies in the building, equipment, and energy industries- announced the release of "Transforming the Market: Energy Efficiency in Buildings", a new research report of the Energy Efficiency in Buildings (EEB) project."

Based on extensive research, the report presents a transformation plan for the building sector and a roadmap for making the required 60% reduction in energy used in buildings in order to meet the global climate change progress called for by the widely recognized Intergovernmental Panel on Climate Change.

Buildings currently account for approximately 40% of the world's energy use, more than any other sector, and are a major contributor to climate change. In addition, it is estimated that total energy consumption in buildings will dramatically rise by 2050 along with the increase in the number of people with higher living standards. In order to achieve a more energy-efficient world, a major, coordinated and global effort is crucial to eventually arrive at a point in which buildings produce or recover all the energy they require.

"CEMEX's commitment to sustainability remains solid and we are proud to collaborate with industry leaders in order to promote energy efficiency in buildings," said Lorenzo Zambrano, CEMEX Chairman and CEO. "Sustainable construction presents a huge opportunity for our industry and cement and concrete have an important role to play in meeting the sustainable building standards of the future."

The report covers four, key 'sub-sectors' of building types: single-family homes, multi-family homes, offices and retail complexes which collectively account for more than half of all the energy used by buildings. It highlights the need to immediately begin aggressively reducing energy use in new and existing buildings in order to reduce the planet's energy-related carbon footprint and to stabilize CO₂ levels.

An energy efficient building can use up to 70% less energy than an inefficient one and achieve the same, or even better, comfort levels. This is possible through the combination of efficient design, passive and active measures, energy efficient equipment and materials, and responsible occupant behavior. The reports' recommendations for action, which apply to both existing and new buildings, are to:

• Strengthen codes and labeling for increased transparency
• Use subsidies and price signals to encourage energy-efficient investments
• Encourage integrated design approaches and innovations
• Develop and use advanced technology to enable energy-saving behavior
• Develop workforce capacity for energy saving
• Mobilize for an energy-aware culture

CEMEX has identified a number of ways in which its products can help contribute to more energy efficient buildings. Good building design, coupled with materials like concrete, helps customers to construct buildings that are highly rated for their energy efficiency. In addition, the ability of concrete to store energy (its thermal mass) minimizes temperature fluctuations in a building over the course of the day, reducing the need for additional heating and cooling. Another important benefit of concrete is that its light color reflects rather than absorbs sunlight, helping keep urban areas cool.

Full details of the EEB proposed "transformation roadmap" for the building sector can be found in the report, available in English on the World Business Council for Sustainable Development website at www.wbcsd.org

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.

EEB is a project of the World Business Council for Sustainable Development (WBCSD), a CEO-led, global association of some 200 companies dealing exclusively with business and sustainable development. The Council provides a platform for companies to explore sustainable development, share knowledge, experiences and best practices, and to advocate business positions on these issues in a variety of forums, working with governments, non-governmental and intergovernmental organizations. EEB is chaired jointly by Lafarge and United Technologies Corporation and has 12 other members, including CEMEX. The project has three stages and is now concluding stage two.

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