CEMEX, Conservation International and Agrupación Sierra Madre to Highlight World's "Hotspots" - CEMEX, Conservation International and Agrupación Sierra Madre to Highlight World's "Hotspots" - CEMEX USA

Monterrey, Mexico - January 31, 2005

CEMEX, Inc. (NYSE: CX), Conservation International and Agrupación Sierra Madre will present Hotspots Revisited, the 12th edition in CEMEX's conservation book series, at a special event at the Houston Museum of Natural Science on February 2, 2005.

Hotspots Revisited highlights 34 regions where 75 percent of the world's most threatened mammals, birds and amphibians survive within habitat that covers just 2.3 percent of the Earth's surface. One of the hotspots featured in the book includes a part of Big Bend National Park in Texas.

Since the inception of the conservation book program in 1993, CEMEX has donated these works to global conservation groups such as Conservation International, World Wildlife Fund and the World Conservation Union, allowing them to sell these books to help fund their conservation projects. In addition, more than 175,000 books have been donated to universities, research institutions, governments and libraries worldwide.

What

Reception, program and book signing to unveil Hotspots Revisited

Who

Welcoming remarks:

• Mayor Bill White

General remarks:

• CEMEX Executive Vice President of Development Armando García
• CEMEX U.S. President Gilberto Perez
• Conservation International President Russell Mittermeier
• Agrupación Sierra Madre President Patricio Robles Gil

Guest Speaker:

• Dr. Andrew Sansom, former director of the Texas Nature Conservancy and the Texas Parks and Wildlife

Where

Houston Museum of Natural Science

When

Wednesday, February 2, 2005, at 6 p.m.
Opening remarks will begin at 6:30 p.m.

CEMEX is the leading global producer and marketer of cement and ready-mix products with its headquarters in Monterrey, Mexico. CEMEX is the largest cement producer in North America and the largest U.S. manufacturer and distributor of cement with 13 cement plants and 52 land and marine terminals serving 30 states. CEMEX also operates 86 ready-mix plants and 23 aggregate facilities in the United States. The Company's U.S. operations are headquartered in Houston, Texas. For more information, visit www.cemex.com.

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