CEMENT Value-Added Benefits From Lafarge Product Support Testing

CEMENTThe following table summarizes the key features and benefits of the company’s products:Cement Classes Features BenefitsClass AOrdinary gradeUsed in shallower(No C 3A specification) applications or as a basematerial in combinationUsed at 46% H 2O with admixtures for more(water/cement ratio) complex applications>Typical oil or gas drilling rig.ServiceLafarge well cement is available in oiland gas producing areas across NorthAmerica.Trained and experienced well cementsales and technical staff membersare committed to providing promptand dependable technical service.Lafarge understands the importanceof on-time delivery for oil and gas fieldwork. Orders for well cements can beplaced through Lafarge Customer ValueCenters which are committed to timelyand accurate order fulfillment. Orderscan be processed and shipped 24/7.To assist customers with supply logistics,Lafarge offers Vendor Managed Inventory(VMI). The customer’s cement storagesilo is equipped with an electroniclevel indicator. When the level of thecement in the silo reaches a certainpoint, the electronic indicator sends asignal to Lafarge and a load of cementis dispatched.Class GClass HClass G & H(common to both G & H)Comparable to ASTMType I/II PortlandUsed at 44% H 2O Thickening timescontrollable with additivesComparable to ASTM to help prevent loss ofType II or Type V circulation up to 120º CPortland Cement (250º F)Used at 38% H 2O Thickening timescontrollable with additivesLower blaineto help prevent loss ofcirculation up to 230º CFluid loss control (450º F)Low viscosity to help preventloss of circulationLow fluid loss to helpminimize cracking andgas migrationLow permeability forzonal isolation and lowgas migrationC 3S contentof 48% to 65%depending on ClassC 3A contentof 0% to 8%depending on ClassExcellent retarder responsefor higher economicbenefit in mix designLow free fluids for cementintegrity and long termperformanceHigh sulfate resistancefor high durabilityunder harsh conditionsNon-settling for uniformityin the columnConsistent quality forslurry design portability

Please contact your Lafarge representative for specific product information,availability and ordering.LAKES AND SEAWAY BUSINESS UNITBingham Farms, MichiganCustomer Value Centers1-800-263-3561Montreal - English 1-800-565-3921French 1-800-631-9134RIVER BUSINESS UNITLee’s Summit, MissouriCustomer Value Center1-877-748-7282U.S. EAST BUSINESS UNITAlpharetta, GeorgiaCustomer Value Center1-800-331-0022WESTERN BUSINESS UNITCalgary, AlbertaCustomer Value CentersManitoba/Saskatchewan 1-866-523-2743Alberta 1-866-661-1522British Columbia 1-877-998-1122LAFARGE NORTH AMERICA INC.LAFARGE BUILDING MATERIALS INC.12018 Sunrise Valley DriveSuite 500Reston, VA 20191LAFARGE CANADA INC.334 avenue AvroPointe-Claire, Quebec H9R 5W5www.lafarge-na.comLimited WarrantyWhere indicated, Lafarge warrants that Lafarge well cements meetapplicable API requirements. Lafarge makes no other warranty, whetherof merchantability or fitness for a particular purpose with respect to theseproducts. Having no control over their use, Lafarge cannot guarantee finishedwork in which these products are used.PBWCE 6/11