Entwistle & Cappucci LLP Announces Class Action Lawsuit Against Lafarge North America, Inc.

Entwistle & Cappucci LLP ("Entwistle & Cappucci") todayannounced that on February 6, 2006, it filed a class action lawsuit onbehalf of stockholders of Lafarge North America, Inc. ("Lafarge NorthAmerica" or the "Company") (NYSE:LAF) against Lafarge North America,Lafarge S.A., Bertrand P. Collomb, Bernard L. Kasriel, Philippe R.Rollier, Marshall A. Cohen, Philippe P. Dauman, Bruno Lafont, ClaudineB. Malone, Blythe J. McGarvie, James M. Micali, Robert W. Murdoch,Bertin F. Nadeau, John D. Redfern, Michel Rose and Lawrence M.Tanenbaum. Lafarge North America operates as a supplier ofconstruction materials in the United States and Canada, providingcement, ready-mixed concrete, gypsum wallboard, aggregates, asphaltand related products and services.

On February 6, 2006, the French parent company of Lafarge NorthAmerica, Lafarge S.A., which owns approximately 53% of Lafarge NorthAmerica's outstanding common stock, announced its intention tocommence a tender offer for all outstanding shares of common stock ofthe Company, at a purchase price of $75.00 per share (the "Offer").The Offer, as priced, represents only a 16.7% premium over the closingprice on February 3, 2006. As recently as October 2, 2005, LafargeNorth America's shares traded as high as $70.47 per share. Moreover,the action alleges that the Offer is grossly inadequate in light ofLafarge North America's projected growth and profitability. The $75.00price per share does not adequately value the Company in light of itsrecent, outstanding financial performance as announced on February 1,2006. At that time, the Company reported its fourth-quarter results,which included a 47% surge in its profits and a 14% increase inrevenues as compared with the year-ago quarter.

The class action is brought on behalf of the public minoritystockholders of Lafarge North America, to void and enjoin the effortsto deprive the company's minority shareholders of their equityinterest in Lafarge North America at a grossly unfair and inadequateprice and to usurp the benefits of the Company's growth and futureprospects for the defendants' own benefit. The plaintiff isrepresented by Entwistle & Cappucci LLP, which has extensiveexperience in prosecuting securities class litigation involvingbreaches of fiduciary duty and financial fraud. If you have anyquestions about the lawsuit, or wish to participate in the prosecutionof the action, please contact Stephen D. Oestreich, Esq.(soestreich@entwistle-law.com), Robert N. Cappucci, Esq.(rcappucci@entwistle-law.com) or William W. Wickersham, Esq.(wwickersham@entwistle-law.com).