LAFARGE : Number of Shares Composing the Share Capital and Total Number of Voting Rights

Statement in compliance with articles L233-8-II of the code of commerce and 223-16 of the general regulation of the financial markets authority (AMF - Autorité des Marchés Financiers)

Regulatory News:

Lafarge (Paris: LG):

Date		Number of shares composing the share capital		Total number of voting rights
31 December 2011		287,247,518		theoretical number of voting rights: 400,016,950
				number of voting rights exercisable at shareholders' meetings(*): 399,783,502

^(*) Number of voting rights exercisable at shareholders' meetings = theoretical number of voting rights (i.e. total number of voting rights attached to the shares composing the share capital) - number of shares whose voting rights have been suspended.

NOTES TO EDITORS

Lafarge is the world leader in building materials, with top-ranking positions in all of its businesses: Cement, Aggregates & Concrete and Gypsum. With 76,000 employees in 78 countries, Lafarge posted sales of Euros 16.2 billion in 2010.

Lafarge was ranked 6^th in the "Carbon Disclosure Project" and entered the global "Dow Jones Sustainability Index" in 2010 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 web site at www.lafarge.com

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