1、2 0 1 8 A N N U A L R E P O R TT H E N E X T B I G T H I N GSince its founding in 1952,Nabors has grown from a small land drilling business in Canada to one of the worlds largest drilling contractors.Today,Nabors owns and operates one of the worlds largest land-based drilling rig fleets and is a pro
2、vider of offshore rigs in the United States and numerous international markets.Nabors also provides directional drilling services,tubular services,performance tools,and innovative technologies for its own rig fleet and those of third parties.In todays performance-driven environment,we believe we are
3、 well positioned to seamlessly integrate downhole hardware,surface equipment and software solutions into our AC rig designs.Leveraging our advanced drilling automation capabilities,Nabors highly skilled workforce continues to set new standards for operational excellence and transform our industry.*T
4、hisAnnualReportpresentscertain“non-GAAP”financialmeasures.Thecomponentsofthesenon-GAAPmeasuresarecomputedbyusingamountsthataredeterminedinaccordancewithaccountingprinciplesgenerallyacceptedintheUnitedStatesofAmerica(“GAAP”).AdjustedEBITDArepresentsincome(loss)fromcontinuingoperationsbeforeincometaxe
5、s,interestexpense,depreciationandamortization,earnings(losses)fromunconsolidatedaffiliates,investmentincome(loss),impairmentsandothercharges,andother,net.Inaddition,adjustedEBITDAexcludescertaincashexpensesthattheCompanyisobligatedtomake.Netdebtiscalculatedastotaldebtminusthesumofcashandcashequivale
6、ntsandshort-terminvestments.Eachofthesenon-GAAPmeasureshaslimitationsandthereforeshouldnotbeusedinisolationorasasubstitutefortheamountsreportedinaccordancewithGAAP.However,managementevaluatestheperformanceofitsoperatingsegmentsandtheconsolidatedCompanybasedonseveralcriteria,includingadjustedEBITDAan