Lafarge: Notification of Availability of the Nine Month Financial Report for the Period Ended September 30, 2012

Regulatory News:

Lafarge announces that it has made available to the public and filed with the French "Autorité des Marchés Financiers” (AMF) its nine month financial report for the period ended September 30, 2012.

The report is available to the public on line in the "Shareholders > Regulated Information” section of our website www.lafarge.com.

NOTES TO EDITORS

Lafarge

Located in 64 countries with 68,000 employees, Lafarge is a world leader in building materials, with top-ranking positions in its Cement, Aggregates & Concrete businesses. In 2011, Lafarge posted sales of 15.3 billion euros.

Since 2010, the Lafarge Group has been part of the Dow Jones Sustainability World Index, the first global sustainability benchmark, in recognition of its sustainable development actions. With the world’s leading building materials research facility, Lafarge places innovation at the heart of its priorities, working for sustainable construction and architectural creativity.

Additional information is available on the Website at www.lafarge.com