Regulatory News:

Date   Number of shares composing the share capital   Total number of voting rights
December 31, 2008   195 236 534   theoretical number of voting rights: 238,173,884
    number of voting rights exercisable at shareholders' meetings*: 237,737,091

* 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 (Paris:LG) is the world leader in building materials, with top-ranking positions in all of its businesses: Cement, Aggregates & Concrete and Gypsum. With 90,000 employees in 76 countries, Lafarge posted sales of Euros 17.6 billion and net income of Euros 1.9 billion in 2007.

Lafarge is the only company in the construction materials sector to be listed in the 2008 ?100 Global Most Sustainable Corporations in the World'. 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.

Euronext Paris: LG

COMMUNICATIONS
Stéphanie Tessier: +33(0) 1 44 34 92 32
Stephanie.tessier@lafarge.com
or
Lucy Saint-Antonin: +33(0) 1 44 34 19 47
Lucy.saint-antonin@lafarge.com
or
Claire Mathieu: +33(0) 1 44 34 18 18
Claire.mathieu@lafarge.com
or
INVESTOR RELATIONS
Jay Bachmann: +33 (0) 1 44 34 93 71
Jay.bachmann@lafarge.com
or
Daniele Daouphars: +33 (0) 1 44 34 11 51
Daniele.daouphars@lafarge.com
or
Stéphanie Billet: +33 (0) 1 44 34 94 59
Stephanie.billet@lafarge.com