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Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2017 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number: 001-33551 The Blackstone Group L.P. (Exact name of Registrant as specified in its charter) Delaware 20-8875684 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 345 Park Avenue New York, New York 10154 (Address of principal executive offices)(Zip Code) (212) 583-5000 (Registrant’s telephone number, including area code) Securities registered pursuant to Section 12(b) of the Act: Title of each class Name of each exchange on which registered Common units representing limited partner interests New York Stock Exchange Securities registered pursuant to Section 12(g) of the Act: None Indicate by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes No Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes No Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes No Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes No Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein and will not be contained, to the best of the Registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. Large accelerated filer Accelerated filer Non-accelerated filer Smaller reporting company (do not check if a smaller reporting company) Emerging growth company If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes No The aggregate market value of the common units of the Registrant held by non-affiliates as of June 30, 2017 was approximately $21.4 billion, which includes non-voting common units with a value of approximately $1.1 billion. The number of the Registrant’s voting common units representing limited partner interests outstanding as of February 22, 2018 was 659,087,647. DOCUMENTS INCORPORATED BY REFERENCE None

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  • Table of Contents

    UNITED STATES

    SECURITIES AND EXCHANGE COMMISSIONWASHINGTON, D.C. 20549

    FORM 10-K(Mark One)☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

    FOR THE FISCAL YEAR ENDED DECEMBER 31, 2017OR

    ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF1934 FOR THE TRANSITION PERIOD FROM TO

    Commission File Number: 001-33551

    The Blackstone Group L.P.(Exact name of Registrant as specified in its charter)

    Delaware 20-8875684(State or other jurisdiction of

    incorporation or organization)

    (I.R.S. Employer

    Identification No.)

    345 Park AvenueNew York, New York 10154

    (Address of principal executive offices)(Zip Code)(212) 583-5000

    (Registrant’s telephone number, including area code)

    Securities registered pursuant to Section 12(b) of the Act:

    Title of each class Name of each exchange on which registeredCommonunitsrepresentinglimitedpartnerinterests NewYorkStockExchange

    SecuritiesregisteredpursuanttoSection12(g)oftheAct:None

    IndicatebycheckmarkiftheRegistrantisawell-knownseasonedissuer,asdefinedinRule405oftheSecuritiesAct.

    Yes

    No

    IndicatebycheckmarkiftheRegistrantisnotrequiredtofilereportspursuanttoSection13orSection15(d)oftheAct.

    Yes

    No

    IndicatebycheckmarkwhethertheRegistrant(1)hasfiledallreportsrequiredtobefiledbySection13or15(d)oftheSecuritiesExchangeActof1934duringthepreceding12months(orforsuchshorterperiodthattheRegistrantwasrequiredtofilesuchreports),and(2)hasbeensubjecttosuchfilingrequirementsforthepast90days.

    Yes

    No

    IndicatebycheckmarkwhethertheregistranthassubmittedelectronicallyandpostedonitscorporateWebsite,ifany,everyInteractiveDataFilerequiredtobesubmittedandpostedpursuanttoRule405ofRegulationS-T(§232.405ofthischapter)duringthepreceding12months(orforsuchshorterperiodthattheregistrantwasrequiredtosubmitandpostsuchfiles).

    Yes

    No

    IndicatebycheckmarkifdisclosureofdelinquentfilerspursuanttoItem405ofRegulationS-K(§229.405ofthischapter)isnotcontainedhereinandwillnotbecontained,tothebestoftheRegistrant’sknowledge,indefinitiveproxyorinformationstatementsincorporatedbyreferenceinPartIIIofthisForm10-KoranyamendmenttothisForm10-K.

    IndicatebycheckmarkwhethertheRegistrantisalargeacceleratedfiler,anacceleratedfiler,anon-acceleratedfiler,smallerreportingcompany,oranemerginggrowthcompany.Seethedefinitionsof“largeacceleratedfiler,”“acceleratedfiler,”“smallerreportingcompany,”and“emerginggrowthcompany”inRule12b-2oftheExchangeAct.

    Largeacceleratedfiler

    Acceleratedfiler

    ☐Non-acceleratedfiler

    Smallerreportingcompany

    ☐(donotcheckifasmallerreportingcompany)

    Emerginggrowthcompany

    Ifanemerginggrowthcompany,indicatebycheckmarkiftheregistranthaselectednottousetheextendedtransitionperiodforcomplyingwithanyneworrevisedfinancialaccountingstandardsprovidedpursuanttoSection13(a)oftheExchangeAct.

    IndicatebycheckmarkwhethertheRegistrantisashellcompany(asdefinedinRule12b-2oftheAct).

    Yes

    No

    TheaggregatemarketvalueofthecommonunitsoftheRegistrantheldbynon-affiliatesasofJune30,2017wasapproximately$21.4billion,whichincludesnon-votingcommonunitswithavalueofapproximately$1.1billion.

    ThenumberoftheRegistrant’svotingcommonunitsrepresentinglimitedpartnerinterestsoutstandingasofFebruary22,2018was659,087,647.

    DOCUMENTSINCORPORATEDBYREFERENCENone

  • Table of Contents

    TABLE OF CONTENTS

    Page

    PART I.

    ITEM1.

    BUSINESS

    5

    ITEM1A.

    RISKFACTORS

    20

    ITEM1B.

    UNRESOLVEDSTAFFCOMMENTS

    73

    ITEM2.

    PROPERTIES

    73

    ITEM3.

    LEGALPROCEEDINGS

    73

    ITEM4.

    MINESAFETYDISCLOSURES

    73

    PART II.

    ITEM5.

    MARKETFORREGISTRANT’SCOMMONEQUITY,RELATEDSTOCKHOLDERMATTERSANDISSUERPURCHASESOFEQUITYSECURITIES

    74

    ITEM6.

    SELECTEDFINANCIALDATA

    77

    ITEM7.

    MANAGEMENT’SDISCUSSIONANDANALYSISOFFINANCIALCONDITIONANDRESULTSOFOPERATIONS

    79

    ITEM7A.

    QUANTITATIVEANDQUALITATIVEDISCLOSURESABOUTMARKETRISK

    148

    ITEM8.

    FINANCIALSTATEMENTSANDSUPPLEMENTARYDATA

    152

    ITEM8A.

    UNAUDITEDSUPPLEMENTALPRESENTATIONOFSTATEMENTSOFFINANCIALCONDITION

    225

    ITEM9.

    CHANGESINANDDISAGREEMENTSWITHACCOUNTANTSONACCOUNTINGANDFINANCIALDISCLOSURE

    227

    ITEM9A.

    CONTROLSANDPROCEDURES

    227

    ITEM9B.

    OTHERINFORMATION

    228

    PART III.

    ITEM10.

    DIRECTORS,EXECUTIVEOFFICERSANDCORPORATEGOVERNANCE

    229

    ITEM11.

    EXECUTIVECOMPENSATION

    236

    ITEM12.

    SECURITYOWNERSHIPOFCERTAINBENEFICIALOWNERSANDMANAGEMENTANDRELATEDSTOCKHOLDERMATTERS

    257

    ITEM13.

    CERTAINRELATIONSHIPSANDRELATEDTRANSACTIONS,ANDDIRECTORINDEPENDENCE

    260

    ITEM14.

    PRINCIPALACCOUNTINGFEESANDSERVICES

    269

    PART IV.

    ITEM15.

    EXHIBITS,FINANCIALSTATEMENTSCHEDULES

    270

    ITEM16.

    FORM10-KSUMMARY

    281

    SIGNATURES

    282

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    Forward-Looking Statements

    Thisreportmaycontainforward-lookingstatementswithinthemeaningofSection27AoftheSecuritiesActof1933andSection21EoftheSecuritiesExchangeActof1934whichreflectourcurrentviewswithrespectto,amongotherthings,ouroperationsandfinancialperformance.Youcanidentifytheseforward-lookingstatementsbytheuseofwordssuchas“outlook,”“indicator,”“believes,”“expects,”“potential,”“continues,”“may,”“will,”“should,”“seeks,”“approximately,”“predicts,”“intends,”“plans,”“estimates,”“anticipates”orthenegativeversionofthesewordsorothercomparablewords.Suchforward-lookingstatementsaresubjecttovariousrisksanduncertainties.Accordingly,thereareorwillbeimportantfactorsthatcouldcauseactualoutcomesorresultstodiffermateriallyfromthoseindicatedinthesestatements.Webelievethesefactorsincludebutarenotlimitedtothosedescribedunderthesectionentitled“RiskFactors”inthisreport,assuchfactorsmaybeupdatedfromtimetotimeinourperiodicfilingswiththeUnitedStatesSecuritiesandExchangeCommission(“SEC”),whichareaccessibleontheSEC’swebsiteatwww.sec.gov.Thesefactorsshouldnotbeconstruedasexhaustiveandshouldbereadinconjunctionwiththeothercautionarystatementsthatareincludedinthisreportandinourotherperiodicfilings.Theforward-lookingstatementsspeakonlyasofthedateofthisreport,andweundertakenoobligationtopubliclyupdateorreviewanyforward-lookingstatement,whetherasaresultofnewinformation,futuredevelopmentsorotherwise.

    Website and Social Media Disclosure

    Weuseourwebsite(www.blackstone.com),Facebookpage(www.facebook.com/blackstone),Twitter(www.twitter.com/blackstone),LinkedIn(www.linkedin.com/company/blackstonegroup),Instagram(www.instagram.com/blackstone),SoundCloud(https://soundcloud.com/blackstone-300250613)andYouTube(www.youtube.com/user/blackstonegroup)accountsaschannelsofdistributionofcompanyinformation.Theinformationwepostthroughthesechannelsmaybedeemedmaterial.Accordingly,investorsshouldmonitorthesechannels,inadditiontofollowingourpressreleases,SECfilingsandpublicconferencecallsandwebcasts.Inaddition,youmayautomaticallyreceivee-mailalertsandotherinformationaboutBlackstonewhenyouenrollyoure-mailaddressbyvisitingthe“ContactUs/EmailAlerts”sectionofourwebsiteathttp://ir.blackstone.com.Thecontentsofourwebsite,anyalertsandsocialmediachannelsarenot,however,apartofthisreport.

    Inthisreport,referencesto“Blackstone,”the“Partnership,”“we,”“us”or“our”refertoTheBlackstoneGroupL.P.anditsconsolidatedsubsidiaries.Unlessthecontextotherwiserequires,referencesinthisreporttotheownershipofMr.StephenA.Schwarzman,ourfounder,andotherBlackstonepersonnelincludetheownershipofpersonalplanningvehiclesandfamilymembersoftheseindividuals.

    “BlackstoneFunds,”“ourfunds”and“ourinvestmentfunds”refertotheprivateequityfunds,realestatefunds,fundsofhedgefunds,credit-focusedfunds,collateralizedloanobligation(“CLO”),realestateinvestmenttrustsandregisteredinvestmentcompaniesthataremanagedbyBlackstone.“Ourcarryfunds”referstotheprivateequityfunds,realestatefundsandcertainofthehedgefundsolutionsandcredit-focusedfunds(withmulti-yeardrawdown,commitment-basedstructuresthatonlypaycarryontherealizationofaninvestment)thataremanagedbyBlackstone.WerefertoourgeneralcorporateprivateequityfundsasBlackstoneCapitalPartners(“BCP”)funds,ourenergy-focusedprivateequityfundsasBlackstoneEnergyPartners(“BEP”)funds,ourcoreprivateequityfundasBlackstoneCoreEquityPartners(“BCEP”),ouropportunisticinvestmentplatformthatinvestsgloballyacrossassetclasses,industriesandgeographiesasBlackstoneTacticalOpportunities(“TacticalOpportunities”),oursecondaryprivateequityfundoffundsbusinessasStrategicPartnersFundSolutions(“StrategicPartners”),ourmulti-assetinvestmentprogramforeligiblehighnetworthinvestorsofferingexposuretocertainofourkeyilliquidinvestmentstrategiesthroughasinglecommitmentasBlackstoneTotalAlternativesSolution(“BTAS”)andourcapitalmarketsservicesbusinessasBlackstoneCapitalMarkets(“BXCM”).WerefertoourrealestateopportunisticfundsasBlackstoneRealEstatePartners(“BREP”)fundsandourrealestatedebtinvestmentfundsasBlackstoneRealEstateDebtStrategies(“BREDS”)funds.Werefertoourcore+realestatefunds,whichtargetsubstantiallystabilizedassetsinprimemarkets,asBlackstonePropertyPartners(“BPP”)funds.Werefertoourreal

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    estateinvestmenttrustsas“REITs,”toBlackstoneMortgageTrust,Inc.,ourNYSE-listedREIT,as“BXMT,”andtoBlackstoneRealEstateIncomeTrust,Inc.,ournon-exchangetradedREIT,as“BREIT.”“Ourhedgefunds”referstoourfundsofhedgefunds,certainofourrealestatedebtinvestmentfunds,includingaregisteredinvestmentcompany,andcertainothercredit-focusedfundswhicharemanagedbyBlackstone.“BIS”referstoBlackstoneInsuranceSolutions,ourbusinessthatdevelops,distributesandmanagestailoredsolutionsforinsurancecompaniesworldwide.

    “AssetsUnderManagement”referstotheassetswemanage.OurAssetsUnderManagementequalsthesumof:

    (a) thefairvalueoftheinvestmentsheldbyourcarryfundsandourside-by-sideandco-investmententitiesmanagedbyus,plus(1)thecapitalthatweareentitledtocallfrominvestorsinthosefundsandentitiespursuanttothetermsoftheirrespectivecapitalcommitments,includingcapitalcommitmentstofundsthathaveyettocommencetheirinvestmentperiods,or(2)forcertaincredit-orientedfundstheamountsavailabletobeborrowedunderassetbasedcreditfacilities,

    (b) thenetassetvalueof(1)ourhedgefunds,realestatedebtcarryfunds,openendedcore+realestatefund,certainco-investmentsmanagedbyus,andourHedgeFundSolutionscarryanddrawdownfunds(plus,ineachcase,thecapitalthatweareentitledtocallfrominvestorsinthosefunds,includingcommitmentsyettocommencetheirinvestmentperiods),and(2)ourfundsofhedgefunds,ourHedgeFundSolutionsregisteredinvestmentcompanies,andournon-exchangetradedREIT,

    (c) theinvestedcapital,fairvalueornetassetvalueofassetswemanagepursuanttoseparatelymanagedaccounts,

    (d) theamountofdebtandequityoutstandingforourCLOsduringthereinvestmentperiod,

    (e) theaggregateparamountofcollateralassets,includingprincipalcash,forourCLOsafterthereinvestmentperiod,

    (f) thegrossornetamountofassets(includingleveragewhereapplicable)forourcredit-focusedregisteredinvestmentcompanies,and

    (g) thefairvalueofcommonstock,preferredstock,convertibledebt,orsimilarinstrumentsissuedbyBXMT.

    Ourcarryfundsarecommitment-baseddrawdownstructuredfundsthatdonotpermitinvestorstoredeemtheirinterestsattheirelection.Ourfundsofhedgefunds,hedgefunds,fundsstructuredlikehedgefundsandotheropenendedfundsinourHedgeFundSolutions,CreditandRealEstatesegmentsgenerallyhavestructuresthataffordaninvestortherighttowithdraworredeemtheirinterestsonaperiodicbasis(forexample,annuallyorquarterly),typicallywith30to95days’notice,dependingonthefundandtheliquidityprofileoftheunderlyingassets.InvestmentadvisoryagreementsrelatedtocertainseparatelymanagedaccountsinourHedgeFundSolutionsandCreditsegments,excludingourBISseparatelymanagedaccounts,maygenerallybeterminatedbyaninvestoron30to90days’notice.

    “Fee-EarningAssetsUnderManagement”referstotheassetswemanageonwhichwederivemanagementand/orperformancefees.OurFee-EarningAssetsUnderManagementequalsthesumof:

    (a) forourPrivateEquitysegmentfundsandRealEstatesegmentcarryfundsincludingcertainrealestatedebtinvestmentfundsandcertainofour

    HedgeFundSolutionsfunds,theamountofcapitalcommitments,remaininginvestedcapital,fairvalue,netassetvalueorparvalueofassetsheld,dependingonthefeetermsofthefund,

    (b) forourcredit-focusedcarryfunds,theamountofremaininginvestedcapital(whichmayincludeleverage)ornetassetvalue,dependingonthe

    feetermsofthefund,

    (c) theremaininginvestedcapitalorfairvalueofassetsheldinco-investmentvehiclesmanagedbyusonwhichwereceivefees,

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    (d) thenetassetvalueofourfundsofhedgefunds,hedgefunds,openendedcore+realestatefund,certainco-investmentsmanagedbyus,certain

    registeredinvestmentcompanies,ournon-exchangetradedREIT,andcertainofourHedgeFundSolutionsdrawdownfunds,

    (e) theinvestedcapital,fairvalueofassetsorthenetassetvaluewemanagepursuanttoseparatelymanagedaccounts,

    (f) thenetproceedsreceivedfromequityofferingsandaccumulatedcoreearningsofBXMT,subjecttocertainadjustments,

    (g) theaggregateparamountofcollateralassets,includingprincipalcash,ofourCLOs,and

    (h) thegrossamountofassets(includingleverage)orthenetassets(plusleveragewhereapplicable)forcertainofourcredit-focusedregistered

    investmentcompanies.

    EachofoursegmentsmayincludecertainFee-EarningAssetsUnderManagementonwhichweearnperformancefeesbutnotmanagementfees.

    Ourcalculationsofassetsundermanagementandfee-earningassetsundermanagementmaydifferfromthecalculationsofotherassetmanagers,andasaresultthismeasuremaynotbecomparabletosimilarmeasurespresentedbyotherassetmanagers.Inaddition,ourcalculationofassetsundermanagementincludescommitmentsto,andthefairvalueof,investedcapitalinourfundsfromBlackstoneandourpersonnel,regardlessofwhethersuchcommitmentsorinvestedcapitalaresubjecttofees.Ourdefinitionsofassetsundermanagementorfee-earningassetsundermanagementarenotbasedonanydefinitionofassetsundermanagementorfee-earningassetsundermanagementthatissetforthintheagreementsgoverningtheinvestmentfundsthatwemanage.

    Forourcarryfunds,totalassetsundermanagementincludesthefairvalueoftheinvestmentsheld,whereasfee-earningassetsundermanagementincludestheamountofcapitalcommitments,theremainingamountofinvestedcapitalatcostdependingonwhethertheinvestmentperiodhasorhasnotexpiredorthefeetermsofthefund.Assuch,fee-earningassetsundermanagementmaybegreaterthantotalassetsundermanagementwhentheaggregatefairvalueoftheremaininginvestmentsislessthanthecostofthoseinvestments.

    ThisreportdoesnotconstituteanofferofanyBlackstoneFund.

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    PART I.

    ITEM 1. BUSINESS

    Overview

    Blackstoneisaleadingglobalalternativeassetmanager,withTotalAssetsUnderManagementof$434.1billionasofDecember31,2017.Asstewardsofpublicfunds,welooktodriveoutstandingresultsforourinvestorsandclientsbydeployingcapitalandideastohelpbusinessessucceedandgrow.Ouralternativeassetmanagementbusinessesincludeinvestmentvehiclesfocusedonprivateequity,realestate,hedgefundsolutions,non-investmentgradecredit,secondaryprivateequityfundsoffundsandmulti-assetclassstrategies.Wealsoprovidecapitalmarketsservices.

    AllofBlackstone’sbusinessesuseasolutionsorientedapproachtodrivebetterperformance.Webelieveourscaled,diversifiedbusinesses,coupledwithourlongtrackrecordofinvestmentperformance,proveninvestmentapproachandstrongclientrelationships,positionustocontinuetoperformwellinavarietyofmarketconditions,expandourassetsundermanagementandaddcomplementarybusinesses.

    Twoofourprimarylimitedpartnerconstituenciesarepublicandcorporatepensionfunds.Asaresult,totheextentourfundsperformwell,itsupportsabetterretirementformillionsofpensioners.

    Inaddition,becauseweareaglobalfirmwithafootprintonnearlyeverycontinent,ourinvestmentscanmakeadifferencearoundtheworld.Wearecommittedtomakingourfamilyofcompaniesstrongerinwaysthatcanhavepositiveimpactsonlocaleconomies.

    AsofDecember31,2017,wehad136seniormanagingdirectorsandapproximately2,225otheremployeesatourheadquartersinNewYorkandaroundtheworld.Webelievehiring,trainingandretainingtalentedindividualscoupledwithourrigorousinvestmentprocesshassupportedourexcellentinvestmentrecordovermanyyears.Thisrecordinturnhasallowedustosuccessfullyandrepeatedlyraiseadditionalassetsfromanincreasinglywidevarietyofsophisticatedinvestors.

    2017 Highlights

    Record Realization Activity and Cash Distributions to Shareholders

    • Totalrealizationsreached$55.2billionin2017,arecordforthefirm,withstrongactivityacrossbusinesssegments.Realizationsincludedthe

    saleofLogicor,Blackstone’sEuropeanwarehousebusiness,thelargestprivatesaleinthefirm’shistory.

    • Blackstonedistributed$3.3billionincashdistributionstoshareholderswithrespectto2017,ourhighestaggregatelevelinhistory.

    Record Assets Under Management

    • EachofourinvestingbusinessessawpositivegrowthinbothTotalAssetsUnderManagementandFee-EarningAssetsUnderManagementin

    2017,despiterecordlevelsofrealizations,givencontinuedstrongfundraising.Fee-EarningAssetsUnderManagementrose21%in2017to$335.3billionandTotalAssetsUnderManagementrose18%to$434.1billion.

    • Capitalinflowsacrossourbusinessesreached$108.0billionfor2017,ourbestyearonrecord.Ourlimitedpartnerscontinuetoentrustuswith

    largescalecapitalfornewinitiatives.

    • BAAMachieved$12.1billionincapitalinflows,itsbestyearonrecord.

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    • InourCreditsegmentwelaunchedBlackstoneInsuranceSolutionswith$22billionofAssetsUnderManagement,andclosedontheacquisition

    ofHarvest,contributingnearly$11billiontoTotalAssetsUnderManagement.Inaddition,weraised$25.3billionadditionalcapitalacrosslong-onlycreditandperforminganddistressedstrategies.

    • OurfifthEurope-focusedrealestatefundobtained€7.8billionofcapitalcommitments,makingitthelargesteverdedicatedEuropeanReal

    Estatefund;andoursecondAsiaopportunisticrealestatefundraisednearly$6billion,andisexpectedtosoonhitits$7billionhardcap.

    • PrivateEquityraised$1.6billionforitsfirstAsia-focusedprivateequityfund,andTacticalOpportunitieshadcapitalinflowsof$5.9billionin

    2017,itssecondbestyearonrecord.

    Ongoing Platform Expansion Through New Product Strategies and Channels

    • 61%ofourTotalAssetsUnderManagementisfrombusinessesthatdidnotexistatthefirmatthetimeofourinitialpublicoffering(“IPO”).

    • OneourlargestnewinitiativesisBlackstoneInsuranceSolutions(“BIS”),whichweestablishedtodevelop,distributeandmanagetailored

    solutionsforinsurancecompaniesworldwide.BISincludesourpartnershipwithFidelity&GuarantyLife,whichenteredintoaninvestmentmanagementagreementwithuswithrespectto$22.4billioninAssetsUnderManagement.

    • Anothernewinitiative,ourdedicatedinfrastructurefund,willinvestininfrastructureprojectsprincipallyintheUnitedStatesandreceivedin

    2017ananchorcommitmentfromasovereigninvestor.

    • Ourcore+realestatebusiness,launchedfouryearsago,hasreached$27.0billioninAssetsUnderManagement,includinganewEuropean

    vehicleaswellasavehicletomanageLogicoronalong-termbasis.

    • Wecontinuedtodiversifyoursourcesofcapitalbyofferingourinstitutionalqualityinvestmentsolutionstoretailinvestors,includingtheprivatewealth/highnetworth,familyoffice,independentbrokerdealerandotherretail-orientedchannels.We’vealsolaunchedseveraldedicatedproductsforthesechannelsoverthepastseveralyears,includingBAAM’sindividualinvestorsolutionsplatform,whichnowmanagesmorethan$8billionandBREIT,ournon-exchangetradedREIT,whichmanagednearly$2billionattheendof2017.Intotal,Blackstoneraised$12billionfromretailinvestorsin2017.

    Industry-Leading Credit Rating and Strong Balance Sheet

    • Strongbalancesheetwithnonetdebt,$5.1billionintotalcash,cashequivalentsandcorporatetreasuryinvestments,anda$1.5billionundrawn

    revolver.

    • S&PandFitchhavebothaffirmedBlackstone’sA+/A+creditratings,makingBlackstonethehighestratedalternativeassetmanagerandone

    ofthehighestratedglobalfinancialservicesfirms.

    • Successfullyexecutedbondissuancesinhighlyoversubscribedofferingsof$300millionof3.150%notesdue2027and$300millionof

    4.000%notesdue2047,whichwaspricedatrecordlowcreditspreadstothebenchmarkU.S.Treasuryratesrelativetoourpreviousissuances(0.98%and1.38%forthe10-yearnotesand30-yearnotes,respectively),andrepurchasedthebalanceofour6.625%notesdue2019.

    • Theweighted-averagematurityofouroutstandingnotesasofDecember31,2017was14.9years.

    Positively Impacting Communities

    • TheBlackstoneCharitableFoundationcontinueditsworkwithlocalpartnersintargetedregionstocreateorgrownon-profitprogramsthatsupportnetworksandresourcesforentrepreneurs.InJune2017,workingwiththecityofChicagoandWorldBusinessChicago,itlaunchedtheBlackstoneChallenge,athree-yearpilotprogramfocusedoninclusiveentrepreneurshipthatwillawardupto$3.4millioningrantstocreateacohortofinnovativeorganizationsthateffectivelyrecruitandsupportdiverseentrepreneursandscale

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    start-upsintheChicagoarea.InOctober2017,itpartneredwithTechstars,oneoftheworld’slargestacceleratornetworks,tohoststudententrepreneursfromacrossitsBlackstoneLaunchPadnetworkof20universitiesfortwodaysofmentoring,networking,andexclusivecontent.TheFoundationawarded$30,000inprizestothetopstudententrepreneurs.

    • TheBlackstoneCharitableFoundationcontinuedBlackstoneConnects,thefirm’svolunteerandcommunityserviceprogram,whichdeliversa

    varietyofopportunitiesforemployeestoengagewithandgivebacktotheircommunities.In2017,70%ofouremployeesgloballyvolunteered.

    • InMay2017,Blackstoneannouncedithadreacheditsgoalofhiring50,000veterans,caregiversandspousesacrossitsportfolioofcompaniesafullyearaheadoftheoriginalfive-yeartarget.Blackstonedoubleddownwithanewgoalof50,000additionalveteranshiresinthenextfiveyears.ThefirmcontinuestohostannualVeteransHiringSummitsdesignedtohelphiringexecutiveswithincorporationssharebestpracticesonattractingandrecruitingveteransandtoassistrepresentativesfromtheU.S.militaryandgovernmentastheyworkincoordinationwithBlackstoneportfoliocompanies.

    Business Segments

    Ourfourbusinesssegmentsare:(a)PrivateEquity,(b)RealEstate,(c)HedgeFundSolutionsand(d)Credit.

    Informationaboutourbusinesssegmentsshouldbereadtogetherwith“PartII.Item7.Management’sDiscussionandAnalysisofFinancialConditionandResultsofOperations”andthehistoricalfinancialstatementsandrelatednotesincludedelsewhereinthisForm10-K.

    Private Equity

    OurPrivateEquitysegment,establishedin1987,isaglobalbusinesswithapproximately275employeesmanaging$105.6billionofTotalAssetsUnderManagementasofDecember31,2017.Weareaworldleaderinprivateequityinvesting,havingmanagedsevengeneralprivateequityfunds,threesector-focusedfundsandonegeography-focusedfundsinceweestablishedthebusiness.Wearefocusedonidentifying,managingandcreatinglastingvalueforourinvestors.OurPrivateEquitysegmentincludesourcorporateprivateequitybusiness,whichconsistsofourflagshipprivateequityfunds(BlackstoneCapitalPartners(“BCP”)funds),oursector-focusedfunds,includingourenergy-focusedfunds(BlackstoneEnergyPartners(“BEP”)funds)andournewAsia-focusedfund.Inaddition,ourPrivateEquitysegmentincludesourcoreprivateequityfund,whichtargetscontrol-orientedinvestmentsinhigh-qualitycompanieswithdurablebusinessesandseekstoofferalowerlevelofriskandalongerholdperiodthantraditionalprivateequity,ouropportunisticinvestmentplatformthatinvestsgloballyacrossassetclasses,industriesandgeographies,BlackstoneTacticalOpportunities(“TacticalOpportunities”),oursecondaryprivateequityfundoffundsbusiness,StrategicPartnersFundSolutions(“StrategicPartners”),amulti-assetinvestmentprogramforeligiblehighnetworthinvestorsofferingexposuretocertainofBlackstone’skeyilliquidinvestmentstrategiesthroughasinglecommitment,BlackstoneTotalAlternativesSolutions(“BTAS”)andourcapitalmarketsservicesbusiness,BlackstoneCapitalMarkets(“BXCM”).

    Ourcorporateprivateequitybusinesspursuestransactionsthroughouttheworldacrossavarietyoftransactiontypes,includinglargebuyouts,mid-capbuyouts,buyandbuildplatforms(whichinvolvemultipleacquisitionsbehindasinglemanagementteamandplatform)andgrowthequity/developmentprojects(whichinvolvesignificantminorityinvestmentsinoperatingcompaniesandgreenfielddevelopmentprojectsinenergyandpower).Ourprivateequitybusiness’sinvestmentstrategiesandcorethemescontinuallyevolve,inanticipationof,orinresponseto,changesintheglobaleconomy,localmarkets,regulation,capitalflowsandgeopoliticaltrends.Weseektoconstructadifferentiatedportfolioofinvestmentswithawell-defined,interventionist,post-acquisitionvaluecreationstrategy.Similarly,weseekinvestmentsthatcangeneratestrongunleveredreturnsregardlessofentryorexitcycletiming.Finally,whenwecanidentifysectorsorgeographiesinwhichthedemandforcapitalgreatlyexceedsthereadilyavailablesupply,ourprivateequitybusinessseekstomakeinvestmentsatornearbookvaluewhereitcancreategoodwillorfranchisevaluethroughpost-acquisitionactions.

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    TacticalOpportunitiesisouropportunisticinvestmentplatform.TheTacticalOpportunitiesmandateinvestsgloballyacrossassetclasses,industriesandgeographies,seekingtoidentifyandexecuteonattractive,differentiatedinvestmentopportunities.Aspartofthestrategy,theteamleveragestheintellectualcapitalacrossBlackstone’svariousbusinesseswhilecontinuouslyoptimizingitsapproachinthefaceofever-changingmarketconditions.TacticalOpportunities’flexiblemandateenablesabroadrangeofinvestmentstructures,includingprivateandpublicsecuritiesandinstruments,wheretheunderlyingexposuremaybetoequityordebt,andtheconstructionofadiversifiedportfolioofinvestments.

    StrategicPartners,oursecondaryprivateequityfundoffundsbusinesswasestablishedin2000andacquiredbyBlackstonein2013.StrategicPartnersseekscapitalappreciationthroughthepurchaseofsecondaryinterestsinmature,high-qualityprivateequityfundsfrominvestorsseekingliquidity.StrategicPartnersisfocusedoninvestinginarangeofopportunities,leveragingitsproprietarydatabasetoexecutetransactionsrangingfromsinglefundintereststocomplex,structuredportfoliosolutions,inanefficientandtimelymanner.

    FormoreinformationconcerningtherevenuesandfeeswederivefromourPrivateEquitysegment,see“—IncentiveArrangements/FeeStructure”inthisItem1.

    Real Estate

    OurRealEstategroupwasfoundedin1991andisoneofthelargestrealestateinvestmentmanagersintheworld,with$115.3billionofTotalAssetsUnderManagementasofDecember31,2017.Weoperateasonegloballyintegratedbusinesswith320employeesandinvestmentsinNorthAmerica,Europe,AsiaandLatinAmerica.OurRealEstateinvestmentteamseekstoestablishadifferentiatedviewandcapitalizesonourscaleandproprietaryinformationadvantagestoinvestwithconvictionandgenerateattractiverisk-adjustedreturnsforourinvestorsoverthelongterm.

    OurBlackstoneRealEstatePartners(“BREP”)fundsaregeographicallydiversifiedandtargetabroadrangeof“opportunistic”realestateandrealestaterelatedinvestments.TheBREPfundsincludeglobalfundsaswellasfundsfocusedspecificallyonEuropeorAsiainvestments.Weseektoacquirehighquality,well-locatedyetundermanagedassetsatanattractivebasis,addressanypropertyorbusinessissuesthroughactiveassetmanagementandselltheassetsonceourbusinessplanisaccomplished.BREPhasmadesignificantinvestmentsinhotels,officebuildings,shoppingcenters,residentialandindustrialassets,aswellasavarietyofrealestateoperatingcompanies.

    WelaunchedBlackstoneRealEstateDebtStrategies(“BREDS”),ourrealestatedebtplatform,in2008.OurBREDSvehiclestargetdebtinvestmentopportunitiescollateralizedbycommercialrealestate.BREDSinvestsinbothpublicandprivatemarkets,primarilyintheU.S.andEurope.BREDS’scaleandinvestmentmandatesenableittoprovideavarietyoflendingoptionsforourborrowersandinvestmentoptionsforourinvestors,includingmezzanineloans,seniorloansandliquidsecurities.TheBREDSplatformincludesanumberofhighyieldandhighgraderealestatedebtfunds,liquidrealestatedebtfundsandBlackstoneMortgageTrust,Inc.(“BXMT”),aNYSE-listedREIT.

    Welaunchedourcore+realestatebusiness,BlackstonePropertyPartners(“BPP”),in2013andhaveassembledaglobalportfolioofhighqualitycore+investmentsacrosstheU.S.,EuropeandAsia.Wemanageseveralcore+realestatefunds,whichtargetsubstantiallystabilizedassetsinprimemarketswithafocusonoffice,multifamily,industrialandretailassets.Thefundsgeneratereturnsthroughbothcurrentincomeandvalueappreciationoverthelongterm.

    WelaunchedBlackstoneRealEstateIncomeTrust(“BREIT”),anon-exchangetradedREIT,in2017.BREITisfocusedoninvestingprimarilyinstabilizedincome-orientedcommercialrealestateintheUnitedStates.

    FormoreinformationconcerningtherevenuesandfeeswederivefromourRealEstatesegment,see“—IncentiveArrangements/FeeStructure”inthisItem1.

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    Hedge Fund Solutions

    OurHedgeFundSolutionsgroupiscomprisedprimarilyofBlackstoneAlternativeAssetManagement(“BAAM”).BAAMistheworld’slargestdiscretionaryallocatortohedgefunds,managingabroadrangeofcommingledandcustomizedhedgefundoffundsolutionssinceitsinceptionin1990.TheHedgeFundSolutionsegmentalsoincludesinvestmentplatformsthatseednewhedgefundbusinesses,purchaseminorityownershipinterestsinmoreestablishedhedgefunds,investinspecialsituationsopportunities,createalternativesolutionsinregulatedstructuresandtradedirectly.Workingwithourclientsoverthepast20plusyears,ourHedgeFundSolutionsgrouphasdevelopedintoaleadingmanagerofinstitutionalfundswithapproximately155employeesmanaging$75.1billionofTotalAssetsUnderManagementasofDecember31,2017.HedgeFundSolutions’overallinvestmentphilosophyistoprotectandgrowinvestors’assetsthroughbothcommingledandcustom-tailoredinvestmentstrategiesdesignedtodelivercompellingrisk-adjustedreturnsandmitigaterisk.Diversification,riskmanagement,duediligenceandafocusondownsideprotectionarekeytenetsofourapproach.FormoreinformationconcerningtherevenuesandfeeswederivefromourHedgeFundSolutionssegment,see“—IncentiveArrangements/FeeStructure”inthisItem1.

    Credit

    Ourcreditbusiness,with$138.1billionofTotalAssetsUnderManagementasofDecember31,2017andapproximately205employees,consistsprincipallyofGSOCapitalPartnersLP(“GSO”).GSO,whichwasfoundedin2005andsubsequentlyacquiredbyBlackstonein2008,isoneofthelargestleveragedfinance-focusedalternativeassetmanagersintheworldandisthelargestmanagerofCLOsglobally.Theinvestmentportfoliosofthefundswemanageorsub-advisepredominantlyconsistofloansandsecuritiesofnon-investmentgradecompaniesspreadacrossthecapitalstructureincludingseniordebt,subordinateddebt,preferredstockandcommonequity.

    TheGSObusinessisorganizedintothreeoverarchingstrategies:performingcredit,distressedandlongonly.Ourperformingcreditstrategiesincludemezzaninelendingfunds,middlemarketdirectlendingfunds(whichwouldincludethebusinessdevelopmentcompanies(“BDCs”)sub-advisorybusiness),andotherperformingcreditstrategyfunds.Ourdistressedstrategiesincludecreditalphastrategies,stressed/distressedfundsandenergystrategies.GSO’slongonlystrategiesconsistofCLOs,closedendfunds,commingledfundsandseparatelymanagedaccounts.

    Inaddition,ourcreditbusinessincludesourpubliclytradedmasterlimitedpartnership(“MLP”)andinvestmentplatform,whicharemanagedbyHarvestFundAdvisorsLLC(“Harvest”).Harvest,whichwasfoundedin2005andsubsequentlyacquiredbyBlackstonein2017,primarilyinvestscapitalraisedfrominstitutionalinvestorsinseparatelymanagedaccountsandpooledvehicles,investinginpubliclytradedMLPsholdingprimarilymidstreamenergyassetsintheU.S.

    Ourcreditbusinessalsoincludesourinsurer-focusedplatform,BIS.BISpartnerswithinsurerstodelivercustomizableanddiversifiedportfoliosofBlackstoneproductsacrossassetclasses,aswellastheoptionforfullmanagementofinsurancecompanies’investmentportfolios.

    Financial and Other Information by Segment

    FinancialandotherinformationbysegmentfortheyearsendedDecember31,2017,2016and2015issetforthinNote21.“SegmentReporting”inthe“NotestoConsolidatedFinancialStatements”in“PartII.Item8.FinancialStatementsandSupplementaryData”ofthisfiling.

    Pátria Investments

    OnOctober1,2010,wepurchaseda40%equityinterestinPátriaInvestmentsLimitedandPátriaInvestimentosLtda.(collectively,“Pátria”).PátriaisaleadingalternativeassetmanagerinLatinAmericathatwasfoundedin1988.AsofDecember31,2017,Pátria’salternativeassetmanagementbusinesseshad$9.9billioninassetsundermanagement,includingthemanagementofprivateequityfunds($4.9billion),infrastructurefunds

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    ($3.6billion),realestatefunds($1.2billion)andnewinitiatives($184.7million).Pátriahasapproximately250employeesandisledbyagroupofthreemanagingpartners.OurinvestmentinPátriaisaminority,non-controllinginvestment,whichwerecordusingtheequitymethodofaccounting.WehaverepresentativesonPátria’sboardofdirectorsinproportiontoourownership,butwedonotcontroltheday-to-daymanagementofthefirmortheinvestmentdecisionsoftheirfunds,allofwhichcontinuestoresidewiththelocalBrazilianpartners.

    Investment Process and Risk Management

    Wemaintainarigorousinvestmentprocessacrossallofourfunds,accountsandotherinvestmentvehicles.Eachfund,accountorothervehiclehasinvestmentpoliciesandproceduresthatgenerallycontainrequirementsandlimitationsforinvestments,suchaslimitationsrelatingtotheamountthatwillbeinvestedinanyoneinvestmentandthetypesofindustriesorgeographicregionsinwhichthefund,accountorothervehiclewillinvest,aswellaslimitationsrequiredbylaw.Ourbusiness’investmentcommitteesreviewandevaluateinvestmentopportunitiesinaframeworkthatincludesaqualitativeandquantitativeassessmentofthekeyrisksofeachinvestment.

    Private Equity Funds

    OurPrivateEquityinvestmentprofessionalsareresponsibleforselecting,evaluating,structuring,diligencing,negotiating,executing,managingandexitinginvestments,aswellaspursuingoperationalimprovementsandvaluecreation.Afteraninitialselection,evaluationanddiligenceprocess,therelevantteamofinvestmentprofessionals(i.e.,thedealteam)submitsaproposedtransactionforreviewbythereviewcommitteeofourprivateequityfunds.ReviewcommitteemeetingsareledbyanexecutivecommitteeofseveralseniormanagingdirectorsofourPrivateEquitysegment.Followingassimilationofthereviewcommittee’sinputanditsdecisiontoproceed,theproposedinvestmentisvettedbytheinvestmentcommittee.TheinvestmentcommitteeofourprivateequityfundsiscomposedofseniorleadersofthefirmandselectedseniormanagingdirectorsofourPrivateEquitysegment,includingindividualsbasedonthelocationandsectoroftheproposedtransaction.Theinvestmentcommitteeisresponsibleforapprovingallinvestmentdecisionsmadeonbehalfofourprivateequityfunds.Considerationsthattheinvestmentcommitteetakesintoaccountwhenevaluatinganinvestmentincludethequalityofabusinessinwhichthefundproposestoinvestandthequalityofthemanagementteamofsuchbusiness,expectedleveredandunleveredreturnsoftheinvestmentinavarietyofinvestmentscenarios,theabilityofthecompanyinwhichtheinvestmentismadetoservicedebtinarangeofeconomicandinterestrateenvironments,environmental,socialandgovernance,orESG,issuesandmacroeconomictrendsintherelevantgeographicregion.

    Theinvestmentprofessionalsofourprivateequityfundsareresponsibleformonitoringaninvestmentonceitismadeandformakingrecommendationswithrespecttoexitinganinvestment.Inadditiontomembersofadealteamandourportfoliooperationsgroup,whichisresponsibleforassistinginenhancingportfoliocompanies’operationsandvalue,allprofessionalsinourprivateequitybusinessmeetseveraltimeseachyeartoreviewtheperformanceofthefunds’portfoliocompanies.

    OurTacticalOpportunitiesbusinesshasasubstantiallysimilarprocesstothePrivateEquityprocessdescribedabove,withtheexceptionofthecompositionofthereviewandinvestmentcommittee.TheTacticalOpportunitiesreviewcommitteeiscomprisedofseniormanagingdirectorsoftheTacticalOpportunitiesbusinessandaseniormanagingdirectorofourPrivateEquitybusiness,andtheinvestmentcommitteeiscomprisedofMr.Schwarzmanandseniorleadersofthefirmandkeyleadersofeachbusinessunit.

    OurStrategicPartnersbusinessfocusesonacquiringsecondaryinterestsinprivateequityfunds.Afterrigorous,highlyanalyticalinvestmentduediligence,theStrategicPartnersinvestmentprofessionalspresentaproposedtransactiontothegroup’sinvestmentcommittee.TheStrategicPartnersinvestmentcommitteeiscomprisedofseniormembersofourStrategicPartnersbusiness.Theinvestmentcommitteemeetstoreview,anddecidewhethertoapproveordeny,transactions.TheinvestmentprofessionalsontheStrategicPartnersteamareresponsibleformonitoringeachinvestmentonceitismade.Inadditiontomembersoftheinvestmentteam,andgiventhelarge

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    numberofunderlyinginvestments,theStrategicPartnersFinanceteamwillalsotrackinvestmentvaluationspursuanttothegroup’svaluationpoliciesandprocedures.

    Real Estate Funds

    OurRealEstateinvestmentprofessionalsareresponsibleforselecting,evaluating,structuring,diligencing,negotiating,executing,managing,monitoringandexitinginvestments,aswellaspursuingoperationalimprovementsandvaluecreation.Ourrealestateoperationhasoneglobalinvestmentcommitteeprocesstoconsiderandapproveallinvestments,similartothatdescribedunder“—PrivateEquityFunds.”Theinvestmentprocessbeginswithateamofinvestmentprofessionals(i.e.,dealteam)submittingaproposedtransactionforreviewbytheapplicablecommittee.Therelevantcommitteescrutinizespotentialtransactions,providesguidanceandinstructionstothedealteamand,ifapplicable,approvestheinvestment.Considerationsthatthecommitteestakeintoaccountwhenevaluatinganinvestmentincludecurrentandanticipatedmarketfundamentals(including,forexample,supplyanddemandfundamentals)andmacroeconomictrendsintherelevantgeographicregion,thequalityoftheassetinwhichthefundorvehicleproposestoinvest,theappropriatenessofexistingorplannedleveragelevelsofthebusinessorassetandourabilitytosuccessfullyimplementoperationalplansandimprovementsandexittheinvestmentatanexpectedrateofreturn.Dealteammembersandourassetmanagementgroupareresponsibleformonitoringandenhancinginvestments’operationsandvalue.

    Hedge Fund Solutions

    Beforedecidingtoinvestinanewhedgefundorwithanewhedgefundmanager,ourHedgeFundSolutionsteamconductsextensiveduediligence,includinganon-site“frontoffice”reviewofthefund’s/manager’sperformance,investmentterms,investmentstrategyandinvestmentpersonnel,a“backoffice”reviewofthefund’s/manager’soperations,processes,riskmanagementandinternalcontrols,industryreferencechecksandalegalreviewoftheinvestmentstructuresandlegaldocuments.Onceinitialduediligenceproceduresarecompletedandtheinvestmentandotherprofessionalsaresatisfiedwiththeresultsofthereview,theteamwillpresentthepotentialinvestmenttotherelevantHedgeFundSolutionsinvestmentcommittee.Theinvestmentcommitteesarecomprisedofrelevantseniormanagingdirectorsandseniorinvestmentpersonnel.Existinginvestmentsarereviewedandmonitoredonaregularbasis.

    Credit

    Eachofourcredit-focusedfundshasaninvestmentcommitteesimilartothatdescribedunder“—PrivateEquityFunds.”Theinvestmentcommitteesforthecredit-focusedfundsincludesseniormembersoftherespectiveinvestmentteamsassociatedwitheachcredit-focusedfund.Theinvestmentcommitteesreviewpotentialtransactions,provideinputregardingthescopeofduediligenceandapproverecommendedinvestmentsanddispositions,subjecttodelineatedexceptionssetforthinthefunds’investmentcharters.

    Theinvestmentdecisionsforthecustomizedcreditlongonlyclientsandotherclientswhoseportfoliosareactivelytradedaremadebyseparateinvestmentcommittees,eachofwhichiscomposedofcertainofthegroup’srespectiveseniormanagingdirectors,managingdirectorsandotherinvestmentprofessionals.Withlimitedexceptionswheretheportfoliomanagerswishtocapitalizeontimesensitivemarketopportunities,theinvestmentcommitteeapprovesallassetsthatareheldbytheapplicableclient.Theinvestmentteamisstaffedbyprofessionalswithinresearch,portfoliomanagement,tradingandcapitalformationtoensureactivemanagementoftheportfolios.Industry-focusedresearchanalystsprovidethecommitteewithaformalandcomprehensivereviewofanynewinvestmentrecommendation,whileourportfoliomanagersandtradingprofessionalsprovideopinionsonothertechnicalaspectsoftherecommendationaswellastherisksassociatedwiththeoverallportfoliocomposition.Investmentsaresubjecttopredeterminedperiodicreviewstoassesstheircontinuedfitwithinthefunds.Ourresearchteammonitorstheoperatingperformanceoftheunderlyingissuers,whileportfoliomanagers,inconcertwithourtraders,focusonoptimizingassetcompositiontomaximizevalueforourinvestors.

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    Structure and Operation of Our Investment Vehicles

    OurprivateinvestmentfundsaregenerallyorganizedaslimitedpartnershipswithrespecttoU.S.domiciledvehiclesandlimitedliability(andothersimilar)companieswithrespecttonon-U.S.domiciledvehicles.Inthecaseofourseparatelymanagedaccounts,theinvestor,ratherthanus,generallycontrolstheinvestmentvehiclethatholdsorhascustodyoftheinvestmentsweadvisethevehicletomake.Weconductthesponsorshipandmanagementofourcarryfundsandothersimilarvehiclesprimarilythroughapartnershipstructureinwhichlimitedpartnershipsorganizedbyusacceptcommitmentsand/orfundsforinvestmentfrominstitutionalinvestorsand,toamorelimitedextent,highnetworthindividuals.Suchcommitmentsaregenerallydrawndownfrominvestorsonanas-neededbasistofundinvestmentsoveraspecifiedterm.Withtheexceptionofcertaincore+realestateandrealestatedebtfunds,ourprivateequityandprivaterealestatefundsarecommitmentstructuredfunds.Forcertaincore+realestateandrealestatedebtfunds,alloraportionofthecommittedcapitalisfundedonorpromptlyaftertheinvestor’ssubscriptiondateandcashproceedsresultingfromthedispositionofinvestmentscanbereusedindefinitelyforfurtherinvestment,subjecttocertaininvestorwithdrawalrights.OurRealEstatebusinessalsoincludesBXMT,BREIT,andaregisteredopen-endedinvestmentcompanycomplex,eachofwhichisexternallymanagedoradvisedbyBlackstone-ownedentities.Ourcredit-focusedfundsaregenerallycommitmentstructuredfundsoropen-endedwheretheinvestor’scapitalisfullyfundedintothefunduponorsoonafterthesubscriptionforinterestsinthefund.Tencredit-focusedvehiclesthatwemanageorsub-adviseinwholeorinpartareregisteredinvestmentcompanies(includingBDCs).TheCLOvehicleswemanagearestructuredinvestmentvehiclesthataregenerallyprivatecompanieswithlimitedliability.Mostofourfundsofhedgefundsaswellasourhedgefundsarestructuredasfundswheretheinvestor’scapitalisfullyfundedintothefunduponthesubscriptionforinterestsinthefund.

    Ourinvestmentfunds,separatelymanagedaccountsandothervehiclesaregenerallyadvisedbyaBlackstoneentityservingasinvestmentadviserthatisregisteredundertheU.S.InvestmentAdvisersActof1940,or“AdvisersAct.”Substantiallyalloftheday-to-dayoperationsofeachinvestmentvehiclearetypicallycarriedoutbytheBlackstoneentityservingasinvestmentadviserpursuanttoaninvestmentadvisory(orsimilar)agreement.Generally,thematerialtermsofourinvestmentadvisoryagreementsrelatetothescopeofservicestoberenderedbytheinvestmentadvisertotheapplicablevehicle,thecalculationofmanagementfeestobebornebyinvestorsinourinvestmentvehicles,thecalculationofandthemannerandextenttowhichotherfeesreceivedbytheinvestmentadviserfromfundsorfundportfoliocompaniesservetooffsetorreducethemanagementfeespayablebyinvestorsinourinvestmentvehiclesandcertainrightsofterminationwithrespecttoourinvestmentadvisoryagreements.Withtheexceptionoftheregisteredfundsdescribedbelow,theinvestmentvehiclesthemselvesdonotgenerallyregisterasinvestmentcompaniesundertheU.S.InvestmentCompanyActof1940,or“1940Act,”inrelianceonthestatutoryexemptionsprovidedbySection3(c)(7)orSection7(d)thereofor,typicallyinthecaseofvehiclesformedpriorto1997,Section3(c)(1)thereof.Section3(c)(7)ofthe1940ActexemptsfromitsregistrationrequirementsinvestmentvehiclesprivatelyplacedintheUnitedStateswhosesecuritiesareownedexclusivelybypersonswho,atthetimeofacquisitionofsuchsecurities,are“qualifiedpurchasers”asdefinedunderthe1940Act.Section3(c)(1)ofthe1940Actexemptsfromitsregistrationrequirementsprivatelyplacedinvestmentvehicleswhosesecuritiesarebeneficiallyownedbynotmorethan100persons.Inaddition,undercurrentinterpretationsoftheSEC,Section7(d)ofthe1940Actexemptsfromregistrationanynon-U.S.investmentvehicleallofwhoseoutstandingsecuritiesarebeneficiallyownedeitherbynon-U.S.residentsorbyU.S.residentsthatarequalifiedpurchasers.BXMTisexternallymanagedbyaBlackstone-ownedentitypursuanttoamanagementagreement,conductsitsoperationsinamannerthatallowsittomaintainitsREITqualificationandalsoavailitselfofthestatutoryexemptionprovidedbySection3(c)(5)(C)ofthe1940Actforcompaniesengagedprimarilyininvestmentinmortgagesandotherliensorinvestmentsinrealestate.Ournon-exchangetradedREITisexternallyadvisedbyaBlackstone-ownedentitypursuanttoanadvisoryagreement,conductsitsoperationsinamannerthatallowsittomaintainitsREITqualificationandalsoavailsitselfofthestatutoryexemptionprovidedbySection3(c)(5)(C)ofthe1940Act.

    Insomecases,oneormoreofourinvestmentadvisers,includingwithinGSO,BAAMandBREDSadvisers,advisesorsub-advisesfundsregisteredunderthe1940Act.Inadditiontohavinganinvestmentadviser,eachinvestmentfundthatisalimitedpartnership,or“partnership”fund,alsohasageneralpartnerthatgenerallymakesalloperationalandinvestmentdecisions,includingthemaking,monitoringanddisposingofinvestments.The

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    limitedpartnersofthepartnershipfundstakenopartintheconductorcontrolofthebusinessoftheinvestmentfunds,havenorightorauthoritytoactfororbindtheinvestmentfundsandhavenoinfluenceoverthevotingordispositionofthesecuritiesorotherassetsheldbytheinvestmentfunds.Withtheexceptionofcertainofourfundsofhedgefunds,hedgefunds,certaincredit-focusedandrealestatedebtfunds,andotherfundsorseparatelymanagedaccountsforthebenefitofoneormorespecifiedinvestors,thirdpartyinvestorsinourfundshavetherighttoremovethegeneralpartnerofthefundortoacceleratetheterminationoftheinvestmentfundwithoutcausebyasimplemajorityvote.Inaddition,thegoverningagreementsofourinvestmentfundsprovidethatintheeventcertain“keypersons”inourinvestmentfundsdonotmeetspecifiedtimecommitmentswithregardtomanagingthefund,theninvestorsincertainfundshavetherighttovotetoterminatetheinvestmentperiodbyaspecifiedpercentage(including,incertaincasesasimplemajority)voteinaccordancewithspecifiedprocedures,acceleratethewithdrawaloftheircapitalonaninvestor-by-investorbasis,orthefund’sinvestmentperiodwillautomaticallyterminateandthevoteofaspecifiedpercentage(including,incertaincasesasimplemajority)inaccordancewithspecifiedproceduresisrequiredtorestartit.Inaddition,thegoverningagreementsofsomeofourinvestmentfundsprovidethatinvestorshavetherighttoterminate,foranyreason,theinvestmentperiodbyavoteof75%oftheinvestorsinsuchfund.

    Incentive Arrangements / Fee Structure

    Management Fees

    ThefollowingdescribesthemanagementfeesreceivedbytheBlackstoneinvestmentadvisers.

    • Theinvestmentadviserofeachofourcarryfundsgenerallyreceivesanannualmanagementfeebaseduponapercentageofthefund’scapitalcommitments,investedcapitaland/orundeployedcapitalduringtheinvestmentperiodandthefund’sinvestedcapitalorinvestmentfairvalueaftertheinvestmentperiod,exceptthattheinvestmentadviserstocertainofourcredit-focusedcarry/incentivefunds,core+realestatefundsandourcoreprivateequityfundreceiveanannualmanagementfeethatisbaseduponapercentageofinvestedcapitalornetassetvaluethroughoutthetermofthefund.Thesemanagementfeesarepayableonaregularbasis(typicallyquarterly)inthecontractuallyprescribedamountsoverthelifeofthefund.Dependingonthebaseuponwhichmanagementfeesarecalculated,negativeperformanceofoneormoreinvestmentsinthefundmayreducethetotalmanagementfeepaid,butnotthefeerate.

    • Theinvestmentadviserofeachofourfundsthatarestructuredlikehedgefunds,orofourfundsofhedgefunds,registeredmutualfundsandseparatelymanagedaccountsthatinvestinhedgefunds,generallyreceivesanannualmanagementfeethatisbaseduponapercentageofthefund’soraccount’snetassetvalue.Thesemanagementfeesarealsopayableonaregularbasis(typicallyquarterly).Thesefundsgenerallyprovideinvestorsliquiditythroughannual,semi-annualorquarterlywithdrawalorredemptionrights,insomecasesfollowingtheexpirationofaspecifiedperiodoftimewhencapitalmaynotbewithdrawn.Dailyredemptionrightsaregenerallyprovidedinthecaseofregisteredmutualfunds.Theamountofmanagementfeestowhichtheinvestmentadviserisentitledwithrespecttheretowillproportionatelyincreaseasthenetassetvalueofeachinvestor’scapitalaccountgrowsandwillproportionatelydecreaseasthenetassetvalueofeachinvestor’scapitalaccountdecreases.

    • TheinvestmentadviserofeachofourCLOstypicallyreceivesannualmanagementfeesbaseduponapercentageofeachfund’sassets,subjecttocertainperformancemeasuresrelatedtotheunderlyingassetsthevehicleowns,andadditionalmanagementfeeswhichareincentive-based(thatis,subjecttomeetingcertainreturncriteria).Thesemanagementfeesarealsopayableonaregularbasis(typicallyquarterly).ThetermofeachCLOvariesfromdealtodealandmaybesubjecttoearlyredemptionorextension;typically,however,aCLOwillbewounddownwithineighttoelevenyearsofbeinglaunched.Whilethemanagementfeestendtorangefromapproximately0.40%to0.65%perannumofeachfund’saggregateparamountofcollateralassets,includingprincipalcash,forthetermofthedeal,thequantumoffeeswilldecreaseasthefunddeleveragestowardtheendofitsterm.

    • Theinvestmentadviserofourseparatelymanagedaccountsgenerallyreceivesannualmanagementfeestypicallybaseduponapercentageof

    eachaccount’snetassetvalueorinvestedcapital.Themanagement

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    feeswereceivefromourseparatelymanagedaccountsaregenerallypaidonaregularbasis(typicallyquarterly)andifbasedonnetassetvaluemayproportionatelyincreaseordecreasebasedonthenetassetvalueoftheseparatelymanagedaccount.Themanagementfeeswearepaidformanagingaseparatelymanagedaccountwillgenerallybesubjecttocontractualrightstheinvestorhastoterminateourmanagementofanaccountonasshortas30days’priornotice.

    • Theinvestmentadviserofeachofourcredit-focusedregisteredandnon-registeredinvestmentcompaniestypicallyreceivesannualmanagementfeesbaseduponapercentageofeachcompany’snetassetvalueortotalmanagedassets.Themanagementfeeswereceivefromtheregisteredinvestmentcompanieswemanagearegenerallypaidonaregularbasis(typicallyquarterly)andproportionatelyincreaseordecreasebasedonthenetassetvalueorgrossassetsoftheinvestmentcompany.Themanagementfeeswearepaidformanagingtheinvestmentcompanywillgenerallybesubjecttocontractualrightsthecompany’sboardofdirectors(or,inthecaseoftheBDCswesub-advise,theinvestmentadviser)hastoterminateourmanagementofanaccountonasshortas30days’priornotice.

    • TheinvestmentadviserofBXMTreceivesannualmanagementfeesbaseduponapercentageofBXMT’snetproceedsreceivedfromequityofferingsandaccumulated“coreearnings”(whichisgenerallyequaltoitsnetincome,calculatedunderaccountingprinciplesgenerallyacceptedintheUnitedStatesofAmerica(“GAAP”),excludingcertainnon-cashandotheritems),subjecttocertainadjustments.ThemanagementfeeswereceivefrommanagingBXMTarepaidquarterlyandincreaseordecreasebasedon,amongotherthings,BXMT’snetproceedsreceivedfromequityofferingsandaccumulatedcoreearnings(subjecttocertainadjustments).

    • Theinvestmentadviserofournon-exchangetradedREITreceivesamanagementfeebasedonapercentageoftheREIT’snetassetvalue,

    payablemonthly.

    Foradditionalinformationregardingthemanagementfeerateswereceive,see“Item7.Management’sDiscussionandAnalysisofFinancialConditionandResultsofOperations—CriticalAccountingPolicies—RevenueRecognition—ManagementandAdvisoryFees,Net.”

    Incentive Fees

    Incentivefeesgenerallyareperformancebasedallocationsofafund’snetcapitalappreciationduringaperiod,typicallyannually,subjecttotheachievementofminimumreturnlevels,highwatermarks,and/orotherhurdleprovisions,inaccordancewiththerespectivetermssetoutineachfund’sgoverningagreements.Incentivefeesaretypicallyrealizedattheendofthemeasurementperiod.Oncerealized,suchfeesaretypicallynotsubjecttoclawbackorreversal.ThefollowingdescribestheincentivefeesearnedgenerallybyBlackstone.

    • InourHedgeFundSolutionssegment,theinvestmentadviserofeachofourfundsofhedgefunds,hedgefunds,separatelymanagedaccounts

    thatinvestinhedgefundsandcertainnon-U.S.registeredinvestmentcompanies,isentitledtoanincentivefeeofgenerallyupto25%oftheapplicableinvestmentvehicle’snetappreciation,subjecttohighwatermarkhurdleprovisionsandinsomecasesapreferredreturn.

    • Thegeneralpartnersorsimilarentitiesofeachofourrealestateandcredithedgefundstructuresreceiveincentivefeesofgenerallyupto20%

    oftheapplicablefund’snetcapitalappreciationperannum.

    • FortheBDCswesub-advise,wereceiveincentivefeesof10%ofthevehicle’snetappreciationperannum(incertaincasespaidquarterly),

    subjecttoapreferredreturn.

    • TheexternalmanagerofBXMTisentitledtoanincentivefee,payablequarterly,inanamount,notlessthanzero,equaltotheproductof(a)20%and(b)theexcessof(i)BXMT’scoreearningsfortheprevious12-monthperiodover(ii)anamountequalto7%perannummultipliedbyBXMT’saverageoutstandingequity(asdefinedinthemanagementagreement),providedthatBXMT’scoreearningsoverthepriorthree-yearperiodaregreaterthanzero.

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    • Thespeciallimitedpartner,anaffiliateofournon-exchangetradedREIT,isentitledtoaperformanceparticipationinterest,whichispaid

    annuallyandaccruesmonthly,inanamountequalto12.5%ofitstotalreturn,subjecttoa5%hurdleamountandahighwatermarkwithacatch-up.

    • Thegeneralpartnerofcertainopenendedcore+realestatefundsisentitledtoanincentivefeeallocationofgenerally10%ofnetcapital

    appreciation,subjecttoahurdleamountgenerallyof6%to7%,alossrecoveryamountandacatch-up.IncentiveFeesforthesefundsaregenerallyrealizedeverythreeyearsfromwhenalimitedpartnermakesitsinitialinvestment.

    Carried Interest

    Thegeneralpartneroranaffiliateofeachofourcarryfundsalsoreceivescarriedinterestfromtheinvestmentfund.Carriedinterestentitlesthegeneralpartner(oranaffiliate)toanallocationofincomeandgainsfromafund.Ourabilitytogeneratecarriedinterestisanimportantelementofourbusinessandcarriedinteresthashistoricallyaccountedforaverysignificantportionofourincome.

    Thecarriedinterestistypicallystructuredasanetprofitsinterestintheapplicablefund.Inthecaseofourcarryfunds,carriedinterestiscalculatedona“realizedgain”basis,andeachgeneralpartnerisgenerallyentitledtoacarriedinterestequalto20%ofthenetrealizedincomeandgains(generallytakingintoaccountrealizedandunrealizedlosses)generatedbysuchfund,exceptthatthegeneralpartners(oraffiliates)ofcertainofourcredit-focusedfunds,realestatedebtfunds,core+realestatefunds,TacticalOpportunitiesfunds,multi-assetclassinvestmentfundsandsecondaryfundsoffunds,andourcoreprivateequityfund,aregenerallyentitledtoacarriedinterestthatrangesbetween10%and20%,dependingonthespecificfund(subjecttovariationacrossourbusinessunitsandfunds).Netrealizedincomeorlossisnotnettedbetweenoramongfunds,andinsomecasesourcarryfundsprovideforcarriedinterestoncurrentincomedistributions(subjecttocertainconditions).

    Formostcarryfunds,thecarriedinterestissubjecttoanannualpreferredlimitedpartnerreturnrangingfrom5%to8%,subjecttoacatch-upallocationtothegeneralpartner.Someofourcarryfunds(e.g.,ourTacticalOpportunitiesfundsgenerally)donotprovideforapreferredreturn,andgenerallythetermsofourcarryfundsvaryincertainrespectsacrossourbusinessunitsandvintages.If,attheendofthelifeofacarryfund(orearlierwithrespecttocertainofourrealestate,realestatedebt,core+realestateandmulti-assetclassand/oropportunisticinvestmentfunds),asaresultofdiminishedperformanceoflaterinvestmentsinacarryfund’slife,(a)thegeneralpartnerreceivesinexcessoftherelevantcarriedinterestpercentage(s)applicabletothefundasappliedtothefund’scumulativenetprofitsoverthelifeofthefund,or(incertaincases)(b)thecarryfundhasnotachievedinvestmentreturnsthatexceedthepreferredreturnthreshold(ifapplicable),thenwewillbeobligatedtorepayanamountequaltothecarriedinterestthatwaspreviouslydistributedtousthatexceedstheamountstowhichtherelevantgeneralpartnerwasultimatelyentitledonanaftertaxbasis.Thisobligationisknownasa“clawback”obligationandisanobligationofanypersonwhodirectlyreceivedsuchcarriedinterest,includingusandouremployeeswhoparticipateinourcarriedinterestplans.

    Althoughaportionofanydistributionsbyustoourunitholdersmayincludeanycarriedinterestreceivedbyus,wedonotintendtoseekfulfillmentofanyclawbackobligationbyseekingtohaveourunitholdersreturnanyportionofsuchdistributionsattributabletocarriedinterestassociatedwithanyclawbackobligation.Totheextentwearerequiredtofulfillaclawbackobligation,however,ourgeneralpartnermaydeterminetodecreasetheamountofourdistributionstocommonunitholders.Theclawbackobligationoperateswithrespecttoagivencarryfund’sownnetinvestmentperformanceonlyandcarriedinterestofotherfundsisnotnettedfordeterminingthiscontingentobligation.Moreover,althoughaclawbackobligationisseveral,thegoverningagreementsofmostofourfundsprovidethattotheextentanotherrecipientofcarriedinterest(suchasacurrentorformeremployee)doesnotfundhisorherrespectiveshareoftheclawbackobligationthendue,thenweandouremployeeswhoparticipateinsuchcarriedinterestplansmayhavetofundadditionalamounts(generallyanadditional50%to70%)althoughweretaintherighttopursueanyremediesthatwehaveundersuchgoverningagreementsagainstthosecarriedinterestrecipientswhofailtofundtheirobligations.Wehaverecordedacontingentrepaymentobligationequalto

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    theamountthatwouldbedueonDecember31,2017,ifthevariouscarryfundswereliquidatedattheircurrentcarryingvalue.

    Foradditionalinformationconcerningtheclawbackobligationswecouldface,see“Item1A.RiskFactors—Wemaynothavesufficientcashtopayback‘clawback’obligationsifandwhentheyaretriggeredunderthegoverningagreementswithourinvestors.”

    Advisory and Transaction Fees

    Someofourinvestmentadvisersoroneoftheiraffiliates,particularlyprivateequity,realestateandcreditadvisers,receivecustomaryfees(forexample,acquisition,originationandothertransactionfees)uponconsummationoftheirfunds’transactions,andmayfromtimetotimereceiveadvisory,monitoringandotherfeesinconnectionwiththeiractivities.Formostofthefundswherewereceivesuchfees,wearerequiredtoreducethemanagementfeeschargedtothefunds’limitedpartnersby50%to100%ofsuchlimitedpartner’sshareofsuchfees.

    Capital Invested In and Alongside Our Investment Funds

    Tofurtheralignourinterestswiththoseofinvestorsinourinvestmentfunds,wehaveinvestedthefirm’scapitalandthatofourpersonnelintheinvestmentfundswesponsorandmanage.Minimumgeneralpartnercapitalcommitmentstoourinvestmentfundsaredeterminedseparatelywithrespecttoourinvestmentfundsand,generally,arelessthan5%ofthelimitedpartnercommitmentsofanyparticularfund.See“PartII.Item7.Management’sDiscussionandAnalysisofFinancialConditionandResultsofOperations—LiquidityandCapitalResources”formoreinformationregardingourminimumgeneralpartnercapitalcommitmentstoourfunds.Wedeterminewhethertomakegeneralpartnercapitalcommitmentstoourfundsinexcessoftheminimumrequiredcommitmentsbasedon,amongotherthings,ouranticipatedliquidity,workingcapitalandothercapitalneeds.Inmanycases,werequireourseniormanagingdirectorsandotherprofessionalstofundaportionofthegeneralpartnercapitalcommitmentstoourfunds.Inothercases,wemayfromtimetotimeoffertoourseniormanagingdirectorsandemployeesapartofthefundedorunfundedgeneralpartnercommitmentstoourinvestmentfunds.Ourgeneralpartnercapitalcommitmentsarefundedwithcashandnotwithcarriedinterestordeferralofmanagementfees.

    Investorsinmanyofourfundsalsoreceivetheopportunitytomakeadditional“co-investments”withtheinvestmentfunds.Ourpersonnel,aswellasBlackstoneitself,alsohavetheopportunitytomakeco-investments,whichwerefertoas“side-by-sideinvestments,”withmanyofourcarryfunds.Co-investmentsandside-by-sideinvestmentsareinvestmentsinportfoliocompaniesorotherassetsonthesametermsandconditionsasthoseacquiredbytheapplicablefund.Co-investmentsrefertoinvestmentsarrangedbyusthataremadebyourlimitedpartnerinvestors(andotherinvestorsinsomeinstances)inaportfoliocompanyorotherassetsalongsideaninvestmentfund.Incertaincases,limitedpartnerinvestorsmaypayadditionalmanagementfeesorcarriedinterestinconnectionwithsuchco-investments.Side-by-sideinvestmentsaresimilartoco-investmentsbutaremadebydirectors,officers,seniormanagingdirectors,employeesandcertainaffiliatesofBlackstone.Theseinvestmentsaregenerallymadepursuanttoabindingelection,subjecttocertainlimitations,madeonceayearfortheestimatedactivityduringtheensuing12monthsunderwhichthosepersonsarepermittedtomakeinvestmentsalongsideaparticularcarryfundinalltransactionsofthatfundforthatyear.Side-by-sideinvestmentsarefundedincashandarenotgenerallysubjecttomanagementfeesorcarriedinterest.

    Competition

    Theassetmanagementindustryisintenselycompetitive,andweexpectittoremainso.Wecompetebothgloballyandonaregional,industryandsectorbasis.Wecompeteonthebasisofanumberoffactors,includinginvestmentperformance,transactionexecutionskills,accesstocapital,accesstoandretentionofqualifiedpersonnel,reputation,rangeofproductsandservices,innovationandprice.

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    Wefacecompetitionbothinthepursuitofoutsideinvestorsforourinvestmentfundsandinacquiringinvestmentsinattractiveportfoliocompaniesandmakingotherinvestments.Althoughmanyinstitutionalandindividualinvestorshaveincreasedtheamountofcapitaltheycommittoalternativeinvestmentfunds,suchincreasesmaycreateincreasedcompetitionwithrespecttofeeschargedbyourfunds.Certaininstitutionalinvestorsaredemonstratingapreferencetoin-sourcetheirowninvestmentprofessionalsandtomakedirectinvestmentsinalternativeassetswithouttheassistanceofprivateequityadviserslikeus.Suchinstitutionalinvestorsmaybecomeourcompetitorsandcouldceasetobeourclients.

    Dependingontheinvestment,wefacecompetitionprimarilyfromsponsorsmanagingotherprivateequityfunds,specializedinvestmentfunds,hedgefundsandotherpoolsofcapital,otherfinancialinstitutionsincludingsovereignwealthfunds,corporatebuyersandotherparties.Severalofthesecompetitorshavesignificantamountsofcapitalandmanyofthemhaveinvestmentobjectivessimilartoours,whichmaycreateadditionalcompetitionforinvestmentopportunities.Someofthesecompetitorsmayalsohavealowercostofcapitalandaccesstofundingsourcesorotherresourcesthatarenotavailabletous,whichmaycreatecompetitivedisadvantagesforuswithrespecttoinvestmentopportunities.Inaddition,someofthesecompetitorsmayhavehigherrisktolerances,differentriskassessmentsorlowerreturnthresholds,whichcouldallowthemtoconsiderawidervarietyofinvestmentsandtobidmoreaggressivelythanusforinvestmentsthatwewanttomake.Corporatebuyersmaybeabletoachievesynergisticcostsavingswithregardtoaninvestmentorbeperceivedbysellersasotherwisebeingmoredesirablebidders,whichmayprovidethemwithacompetitiveadvantageinbiddingforaninvestment.

    Inallofourbusinesses,competitionisalsointensefortheattractionandretentionofqualifiedemployees.Ourabilitytocontinuetocompeteeffectivelyinourbusinesseswilldependuponourabilitytoattractnewemployeesandretainandmotivateourexistingemployees.

    Foradditionalinformationconcerningthecompetitiverisksthatweface,see“Item1A.RiskFactors—RisksRelatedtoOurBusiness—Theassetmanagementbusinessisintenselycompetitive.”

    Employees

    AsofDecember31,2017,weemployedapproximately2,360people,includingour136seniormanagingdirectors.Westrivetomaintainaworkenvironmentthatfostersprofessionalism,excellence,integrityandcooperationamongouremployees.

    Regulatory and Compliance Matters

    Ourbusinesses,aswellasthefinancialservicesindustrygenerally,aresubjecttoextensiveregulationintheUnitedStatesandelsewhere.

    AlloftheinvestmentadvisersofourinvestmentfundsoperatingintheU.S.areregisteredasinvestmentadviserswiththeSEC(otherinvestmentadvisersareregisteredinnon-U.S.jurisdictions).RegisteredinvestmentadvisersaresubjecttotherequirementsandregulationsoftheAdvisersAct.Suchrequirementsrelateto,amongotherthings,fiduciarydutiestoclients,maintaininganeffectivecomplianceprogram,solicitationagreements,conflictsofinterest,recordkeepingandreportingrequirements,disclosure,advertisingandcustodyrequirements,limitationsonagencycrossandprincipaltransactionsbetweenanadviserandadvisoryclients,andgeneralanti-fraudprohibitions.

    BlackstoneAdvisoryPartnersL.P.,asubsidiaryofoursthroughwhichweconductourcapitalmarketsbusinessandcertainofourfundmarketinganddistribution,isregisteredasabroker-dealerwiththeSECandissubjecttoregulationandoversightbytheSEC,isamemberoftheFinancialIndustryRegulatoryAuthority,or“FINRA,”andisregisteredasabroker-dealerin50states,theDistrictofColumbia,theCommonwealthofPuertoRicoandtheVirginIslands.Inaddition,FINRA,aself-regulatoryorganizationsubjecttooversightbytheSEC,adoptsandenforcesrulesgoverningtheconduct,andexaminestheactivities,ofitsmemberfirms,includingourbroker-dealerentity.Statesecuritiesregulatorsalsohaveregulatoryoversightauthorityoverourbroker-dealerentity.

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    Broker-dealersaresubjecttoregulationsthatcoverallaspectsofthesecuritiesbusiness,including,amongothers,theimplementationofasupervisorycontrolsystemoverthesecuritiesbusiness,advertisingandsalespractices,conductofandcompensationinconnectionwithpublicsecuritiesofferings,maintenanceofadequatenetcapital,recordkeepingandtheconductandqualificationsofemployees.Inparticular,asaregisteredbroker-dealerandmemberofFINRA,BlackstoneAdvisoryPartnersL.P.issubjecttotheSEC’suniformnetcapitalrule,Rule15c3-1.Rule15c3-1specifiestheminimumlevelofnetcapitalabroker-dealermustmaintainandalsorequiresthatasignificantpartofabroker-dealer’sassetsbekeptinrelativelyliquidform.TheSECandvariousself-regulatoryorganizationsimposerulesthatrequirenotificationwhennetcapitalfallsbelowcertainpredefinedcriteria,limittheratioofsubordinateddebttoequityinthecapitalstructureofabroker-dealerandconstraintheabilityofabroker-dealertoexpanditsbusinessundercertaincircumstances.Additionally,theSEC’suniformnetcapitalruleimposescertainrequirementsthatmayhavetheeffectofprohibitingabroker-dealerfromdistributingorwithdrawingcapitalandrequiringpriornoticetotheSECforcertainwithdrawalsofcapital.

    Inaddition,certainoftheclosed-endandopen-endmutualfundsandinvestmentmanagementcompanieswemanage,adviseorsub-adviseareregisteredunderthe1940Act.The1940Actandtherulesthereundergovern,amongotherthings,therelationshipbetweenusandsuchinvestmentvehiclesandlimitsuchinvestmentvehicles’abilitytoenterintocertaintransactionswithusorouraffiliates,includingotherfundsmanaged,advisedorsub-advisedbyus.

    PursuanttotheU.K.FinancialServicesandMarketsAct2000,or“FSMA,”certainofoursubsidiariesaresubjecttoregulationspromulgatedandadministeredbytheFinancialConductAuthority(“FCA”).TheBlackstoneGroupInternationalPartnersLLP(“BGIP”)actsasasub-advisortoitsBlackstoneU.S.affiliatesinrelationtotheinvestmentandre-investmentofEurope,MiddleEastandAfrica(“EMEA”)-basedassetsofBlackstonefundsaswellasarrangingtransactionstobeenteredintobyoronbehalfofBlackstonefunds.BGIPalsoactsasadistributorofBlackstonefundsinEMEA.BGIPhasaMarketsinFinancialInstrumentsDirective(2007)(“MiFID”)cross-borderpassporttoprovideinvestmentadvisoryserviceswithintheEuropeanEconomicArea(“EEA”).BGIP’sprincipalplaceofbusinessisinLondonandithasRepresentativeOfficesintheDubaiInternationalFinancialCentre(“DIFC”),MilanandParis.GSOCapitalPartnersInternationalPartnersLLP(“GSOU.K.”)isalsoauthorizedandregulatedbytheFCAintheUnitedKingdom.GSOU.K.actsasasub-advisorandsub-investmentmanagertoitsGSOU.S.affiliatesinrelationtotheinvestmentandre-investmentofEMEA-basedassetsofGSOfundsaswellasarrangingtransactionstobeenteredintobyoronbehalfofGSOfunds.GSOU.K.alsoactsasadiscretionaryinvestmentmanagerforseparatelymanagedaccountsaswellasadistributorofGSOfundsinEMEA.GSOU.K.hasaMiFIDcross-borderpassporttoprovideinvestmentadvisoryservicesandinvestmentmanagementwithintheEEA.GSOU.K.’sprincipalplaceofbusinessisinLondon.TheFSMAandrulespromulgatedthereunderformthecornerstoneoflegislationwhichgovernsallaspectsofourinvestmentbusinessintheUnitedKingdom,includingsales,researchandtradingpractices,provisionofinvestmentadvice,useandsafekeepingofclientfundsandsecurities,regulatorycapital,recordkeeping,approvalstandardsforindividuals,anti-moneylaundering,periodicreportingandsettlementprocedures.BlackstonePropertyManagementLimitedisauthorizedandregulatedbytheFCAintheUnitedKingdomasapropertymanagementandadvisorycompanywiththeabilitytoadministercontractsofinsurance.

    Blackstone/GSODebtFundsManagementEuropeLimited(“DFME”)isauthorizedandregulatedbytheCentralBankofIreland(“CBI”)asanInvestmentFirmundertheEuropeanCommunities(MarketsinFinancialInstruments)Regulations2007.DFME’sprincipalactivityistheprovisionofmanagementandadvisoryservicestocertaincollateralizedloanobligationsandsub-advisoryservicestocertainaffiliates.Blackstone/GSODebtFundsManagementEuropeIILimited(“DFMEII”)isauthorizedandregulatedbytheCBIasanAlternativeInvestmentFundManagerundertheEuropeanUnionAlternativeInvestmentFundManagersRegulations2013(“AIFMD”).DFMEIIprovidesinvestmentmanagementfunctionsincludingportfoliomanagement,riskmanagement,administration,marketingandrelatedactivitiestoitsalternativeinvestmentfundsinaccordancewithAIFMDandtheconditionsimposedbytheCBIassetoutintheCBI’salternativeinvestmentfundrulebook.

    BlackstoneEuropeFundManagementS.àr.l.(“BEFM”)isanapprovedAlternativeInvestmentFundManagerunderAIFMD.BEFMprovidesinvestmentmanagementfunctionsincludingportfoliomanagement,risk

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    management,administration,marketingandrelatedactivitiestoitsalternativeinvestmentfundsinaccordancewithAIFMDandtheconditionsimposedbytheCommissiondeSurveillanceduSecteurFinancier(“CSSF”)inLuxembourg.BEFMhasabranchentityestablishedinDenmark.

    CertainBlackstoneoperatingentitiesarelicensedandsubjecttoregulationbyfinancialregulatoryauthoritiesinJapan,HongKong,AustraliaandSingapore:TheBlackstoneGroupJapanK.K.,afinancialinstrumentsfirm,isregisteredwithKantoLocalFinanceBureau(Kin-shoNo.1785)andregulatedbytheJapanFinancialServicesAgency;TheBlackstoneGroup(HK)LimitedisregulatedbytheHongKongSecuritiesandFuturesCommission;TheBlackstoneGroup(Australia)PtyLimitedACN149142058andBlackstoneRealEstateAustraliaPtyLimitedACN604167651eachholdsanAustralianfinancialserviceslicenseauthorizingittoprovidefinancialservicesinAustralia(AFSL408376andAFSL485716,respectively)andisregulatedbytheAustralianSecuritiesandInvestmentsCommission;andBlackstoneSingaporePte.Ltd.isregulatedbytheMonetaryAuthorityofSingapore(CompanyRegistrationNumber:201020503E).

    TheSECandvariousself-regulatoryorganizationsandstatesecuritiesregulatorshaveinrecentyearsincreasedtheirregulatoryactivities,includingregulation,examinationandenforcementinrespectofassetmanagementfirms.

    Asdescribedabove,certainofourbusinessesaresubjecttocompliancewithlawsandregulationsofU.S.federalandstategovernments,non-U.S.governments,theirrespectiveagenciesand/orvariousself-regulatoryorganizationsorexchangesrelatingto,amongotherthings,marketingofinvestmentproducts,disclosureandtheprivacyofclientinformation,andanyfailuretocomplywiththeseregulationscouldexposeustoliabilityand/ordamageourreputation.Ourbusinesseshaveoperatedformanyyearswithinalegalframeworkthatrequiresustomonitorandcomplywithabroadrangeoflegalandregulatorydevelopmentsthataffectouractivities.However,additionallegislation,changesinrulespromulgatedbyself-regulatoryorganizationsorchangesintheinterpretationorenforcementofexistinglawsandrules,eitherintheUnitedStatesorelsewhere,maydirectlyaffectourmodeofoperationandprofitability.

    Rigorouslegalandcomplianceanalysisofourbusinessesandinvestmentsisendemictoourcultureandriskmanagement.OurChiefLegalOfficerandGlobalHeadofCompliance,togetherwiththeChiefComplianceOfficersofeachofourbusinesses,superviseourcompliancepersonnel,whoareresponsibleforaddressingallregulatoryandcompliancemattersthataffectouractivities.Westrivetomaintainacultureofcompliancethroughtheuseofpoliciesandproceduresincludingacodeofethics,electroniccompliancesystems,testingandmonitoring,communicationofcomplianceguidanceandemployeeeducationandtraining.Ourcompliancepoliciesandproceduresaddressavarietyofregulatoryandcompliancematterssuchasthehandlingofmaterialnon-publicinformation,personalsecuritiestrading,marketingpractices,giftsandentertainment,valuationofinvestmentsonafund-specificbasis,recordkeeping,potentialconflictsofinterest,theallocationofinvestmentopportunities,collectionoffeesandexpenseallocation.

    OurcompliancegroupalsomonitorstheinformationbarriersthatwemaintainbetweenthepublicandprivatesidesofBlackstone’sbusinesses.Webelievethatourvariousbusinesses’accesstotheintellectualknowledgeandcontactsandrelationshipsthatresidethroughoutourfirmbenefitsallofourbusinesses.Tomaximizethataccesswithoutcompromisingcompliancewithourlegalandcontractualobligations,ourcompliancegroupoverseesandmonitorsthecommunicationsbetweengroupsthatareontheprivatesideofourinformationbarrierandgroupsthatareonthepublicside,aswellasbetweendifferentpublicsidegroups.Ourcompliancegroupalsomonitorscontractualobligationsthatmaybeimpactedandpotentialconflictsthatmayariseinconnectionwiththeseinter-groupdiscussions.

    Inaddition,disclosurecontrolsandproceduresandinternalcontrolsoverfinancialreportingaredocumented,testedandassessedfordesignandoperatingeffectivenessincompliancewiththeU.S.Sarbanes-OxleyActof2002(“Sarbanes-Oxley”).WehaveanInternalAuditdepartmentwithaglobalmandateanddedicatedresourcesthatproviderisk-basedaudits,Sarbanes-Oxleycomplianceandadvisorypractices.InternalAudit,whichreportsdirectlytotheauditcommitteeoftheboardofdirectorsofourgeneralpartner,aimstoprovidereasonable,independent,and

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    objectiveassurancetoourmanagementandtheboardofdirectorsofourgeneralpartnerthatrisksarewellmanagedandthatcontrolsareappropriateandeffective.

    Ourenterpriseriskmanagementpracticesincludereviewandmonitoringofourbusiness,investmentandotherkeyrisksatvariouslevels,includingatthefund,businessunitandcorporatelevel.Committeescomprisedofmembersofmanagementandrepresentativesofvariousbusinessunitsandcorporatefunctionsconsiderandevaluatelegal,reputational,operational,controlandotherrisksattendanttoourbusiness.Inaddition,seniormanagementregularlyreportstotheauditcommitteeoftheboardofdirectorsofourgeneralpartneronriskmatters,includingbyprovidingperiodicriskreports,anoverviewofmanagement’sviewofkeyriskstothefirmanddetailedassessmentsofselectedrisks.

    ThereareanumberofpendingorrecentlyenactedlegislativeandregulatoryinitiativesintheUnitedStatesandinEuropethatcouldsignificantlyaffectourbusiness.Pleasesee“Item1A.RiskFactors—RisksRelatedtoOurBusiness—FinancialregulatorychangesintheUnitedStatescouldadverselyaffectourbusiness”and“Item1A.RiskFactors—RisksRelatedtoOurBusiness—RecentregulatorychangesinjurisdictionsoutsidetheUnitedStatescouldadverselyaffectourbusiness.”

    Available Information

    TheBlackstoneGroupL.P.isaDelawarelimitedpartnershipthatwasformedonMarch12,2007.

    Wefileannual,quarterlyandcurrentreportsandotherinformationwiththeSEC.ThesefilingsareavailabletothepublicovertheinternetattheSEC’swebsiteatwww.sec.gov.YoumayalsoreadandcopyanydocumentwefileattheSEC’spublicreferenceroomlocatedat100FStreet,N.E.,Washington,D.C.20549.PleasecalltheSECat1-800-SEC-0330forfurtherinformationonthepublicreferenceroom.

    Ourprincipalinternetaddressiswww.blackstone.com.Wemakeavailablefreeofchargeonorthroughwww.blackstone.comourannualreportsonForm10-K,quarterlyreportsonForm10-Q,currentreportsonForm8-K,andamendmentstothosereports,assoonasreasonablypracticableafterweelectronicallyfilesuchmaterialwith,orfurnishitto,theSEC.Thecontentsofourwebsitearenot,however,apartofthisreport.

    ITEM 1A. RISK FACTORS

    Risks Related to Our Business

    Difficult market conditions can adversely affect our business in many ways, including by reducing the value or performance of the investments made byour investment funds and reducing the ability of our investment funds to raise or deploy capital, each of which could materially reduce our revenue,earnings and cash flow and adversely affect our financial prospects and condition.

    Ourbusinessismateriallyaffectedbyconditionsintheglobalfinancialmarketsandeconomicconditionsoreventsthroughouttheworldthatareoutsideourcontrol,includingbutnotlimitedtochangesininterestrates,availabilityofcredit,inflationrates,economicuncertainty,changesinlaws(includinglawsrelatingtotaxation),tradebarriers,commodityprices,currencyexchangeratesandcontrolsandnationalandinternationalpoliticalcircumstances(includingwars,terroristactsorsecurityoperations).Thesefactorsmayaffectthelevelandvolatilityofsecuritiespricesandtheliquidityandthevalueofinvestments,andwemaynotbeabletoormaychoosenottomanageourexposuretothesemarketconditionsand/orotherevents.Intheeventofamarketdownturneachofourbusinessescouldbeaffectedindifferentways.

    Turmoilintheglobalfinancialmarkets,suchasoccurredin2008-2009,canprovokesignificantvolatilityofequityanddebtsecuritiesprices.Thiscanhaveamaterialandrapidimpactonourmark-to-marketvaluations,particularlywithrespecttoourpublicholdingsandcreditinvestments.Aspubliclytradedequitysecuritieshaveinrecentyearsrepresentedasignificantproportionoftheassetsofmanyofourcarryfunds,stockmarketvolatility

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    mayhaveagreaterimpactonourreportedresultsthaninthepastanddeclinesinthestockmarketmayadverselyaffectourresults,includingourrevenuesandnetincome.Alackofcreditresultingfromturmoilintheglobalfinancialmarketsinthefuturemaymateriallyhindertheinitiationofnew,large-sizedtransactionsforourprivateequityandrealestatesegmentsandadverselyimpactouroperatingresults.Althoughoverallfinancingcostsstillremainlowonahistoricalbasis,thereissomeconcernthatthemonetarypolicyofcentralbanks,includingoftheU.S.FederalReserve,strongeconomicgrowth,andinflationaryandothermarketfactorsmayleadtorisinginterestratesandadverselyimpactthecostandavailabilityofcredit,aswellasthevalueofourinvestments.Inaddition,acceleratingeconomicgrowthinmanyinternationaleconomiesmayinthefuturecontributetotightercreditconditions,adecreasedavailabilityofforeigncapitalandrisinginterestrates.AstrongU.S.dollar,whichcouldbeassociatedwithrisinginterestrates,couldhurtU.S.exportsandgrowthandhaveanadverseimpactoneconomicgrowthininternationaleconomies.Inaddition,2017wasayearofsignificantgeopoliticalconcerns,including,amongotherthings,increasedtensionswithNorthKoreaoveritsballisticmissiletestingandnuclearprogram,uncertaintyregardingU.S.recertificationoftheIrannuclearframeworkandtheU.K.’sinitiationinMarch2017ofthetwo-yearnegotiationperiodprecedingitswithdrawalfromtheEuropeanUnion(“Brexit”).Althoughthelong-termimpactoneconomicconditionsisuncertain,BrexitmayhaveanadverseeffectontherateofeconomicgrowthintheU.K.andEurope,whichmaynegativelyimpactrealestateandotherassetvaluesinthoseregions.

    Althoughinterestrateshavebeenathistoricallylowlevels,theU.S.FederalReserveraisedratesinlate2016andthroughout2017andhasindicatedanintentiontocontinueraisingratesin2018.Aperiodofsharplyrisinginterestratescouldcreatedownwardpressureonthepriceofrealestateandincreasethecostofdebtfinancingforthetransactionswepursue,eachofwhichmayhaveanadverseimpactonourbusiness.

    Manyinvestmentsmadebyourfundsarehighlyilliquid,andwemaynotbeabletorealizeinvestmentsinatimelymanner.Duringearly2016,forexample,volatileequityandcreditmarketsresultedinreducedopportunitiesforourfundstoexitandrealizevaluefromtheirexistinginvestments.Althoughstrongequitycapitalmarketsandgenerallylowvolatilitythroughout2017providedopportunitiesforexitthroughtheequitymarkets,recentvolatilityandrisinginterestratesmayimpactthesemarketconditions.Uncertaintysurroundingpotentialchangestogovernmentalpolicymayalsohavesomeimpactonourexitopportunitiesthroughtheprivatemarkets.Forexample,recentlyintroducedbipartisanlegislationwoulddramaticallyincreasethenumberoftransactionsthataresubjecttothejurisdictionoftheCommitteeonForeignInvestmentintheUnitedStates(“CFIUS”).Iftheproposalbecomeslaw,CFIUSwillhavetheauthoritytoreviewandpotentiallyblockcertainnon-controllinginvestmentsincriticalinfrastructureandtechnologycompaniesandothertransactions,whichmayreducethenumberofpotentialbuyersandlimittheabilityofourfundstorealizevaluefromcertainexistingandfutureinvestments.Althoughtheequitymarketsarenottheonlymeansbywhichweexitinvestments,shouldweexperienceanotherperiodofchallengingequitymarkets,ourfundsmayexperienceincreaseddifficultyinrealizingvaluefrominvestments.Weareunabletopredictwhetherandtowhatextentuncertaintysurroundingeconomicandmarketconditionswillbereduced,andevenintheabsenceofuncertainty,adverseconditionsand/orothereventsinparticularsectorsmaycauseourperformancetosufferfurther.

    Buoyantmarketsandpositiveeconomicconditionshavealsomadeitandmayinthefuturemakeitmoredifficultandcompetitivetofindsuitableinvestmentsforthefundstoeffectivelydeploycapital.Thiscouldadverselyaffectourperformanceandabilitytoraisenewfunds.Duringperiodsofdifficultmarketconditionsorslowdowns(whichmaybeacrossoneormoreindustries,sectorsorgeographies),ourfunds’portfoliocompaniesmayexperienceadverseoperatingperformance,decreasedrevenues,creditratingdowngrades,financiallosses,difficultyinobtainingaccesstofinancingandincreasedfundingcosts.Negativefinancialresultsinourinvestmentfunds’portfoliocompaniesmayresultinlowerinvestmentreturnsforourinvestmentfunds,whichcouldmateriallyandadverselyaffectourabilitytoraisenewfundsaswellasouroperatingresultsandcashflow.Totheextenttheoperatingperformanceofthoseportfoliocompanies(aswellasvaluationmultiples)donotimproveorotherportfoliocompaniesexperienceadverseoperatingperformance,ourinvestmentfundsmaysellthoseassetsatvaluesthatarelessthanweprojectedorevenaloss,therebysignificantlyaffectingthoseinvestmentfunds’performanceandconsequentlyouroperatingresultsandcashflow.Duringsuchperiodsofweakness,ourinvestmentfunds’portfoliocompaniesmayalsohavedifficultyexpandingtheirbusinessesandoperationsormeetingtheirdebt

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    serviceobligationsorotherexpensesastheybecomedue,includingexpensespayabletous.Furthermore,suchnegativemarketconditionscouldpotentiallyresultinaportfoliocompanyenteringbankruptcyproceedings,therebypotentiallyresultinginacompletelossofthefund’sinvestmentinsuchportfoliocompanyandasignificantnegativeimpacttotheinvestmentfund’sperformanceandconsequentlytoouroperatingresultsandcashflow,aswellastoourreputation.Inaddition,negativemarketconditionswouldalsoincreasetheriskofdefaultwithrespecttoinvestmentsheldbyourinvestmentfundsthathavesignificantdebtinvestments,suchasourcredit-focusedfunds.Estimatesorprojectionsofmarketconditions,commoditypricesandsupplyanddemanddynamicsarekeyfactorsinevaluatingpotentialinvestmentopportunitiesandvaluingtheinvestmentsmadebyourfunds.Theseestimatesaresubjecttowidevariancesbasedonchangesinmarketconditions,underlyingassumptions,commoditypricesandtechnicalorinvestment-relatedassumptions.

    Inaddition,theperformanceoftheinvestmentsmadebyourcreditandprivateequityfundsintheenergyandnaturalresourcesmarketsarealsosubjecttoahighdegreeofmarketriskgiven,amongothermatters,thevolatilityofcommodityprices.See“—Investmentsbyourfundsinthepowerandenergyindustriesinvolvevariousoperational,construction,regulatoryandmarketrisksthatmayexposeustoincreasedrisksandliabilitiesandcouldadverselyaffectourresultsofoperations,liquidityandfinancialcondition.”

    Ouroperatingperformancemayalsobeadverselyaffectedbyourfixedcostsandotherexpensesandthepossibilitythatwewouldbeunabletoscalebackothercostswithinatimeframesufficienttomatchanydecreasesinrevenuerelatingtochangesinmarketandeconomicconditions.Inordertoreduceexpensesinthefaceofadifficulteconomicenvironment,wemayneedtocutbackoreliminatetheuseofcertainservicesorserviceproviders,orterminatetheemploymentofasignificantnumberofourpersonnelthat,ineachcase,couldbeimportanttoourbusinessandwithoutwhichouroperatingresultscouldbeadverselyaffected.

    Changes in the debt financing markets could negatively impact the ability of our funds and their portfolio companies to obtain attractive financing orrefinancing for their investments and could increase the cost of such financing if it is obtained, which could lead to lower-yielding investments andpotentially decrease our net income.

    Asignificantcontractioninthemarketfordebtfinancing,suchasthecontractionthatoccurredin2008and2009orotheradversechangerelatingtothetermsofdebtfinancing(suchas,forexample,higherrates,higherequityrequirements,and/ormorerestrictivecovenants),particularlyintheareaofacquisitionfinancingsforprivateequityandrealestatetransactions,couldhaveamaterialadverseimpactonourbusiness.Inaddition,thefinancingofacquisitionsortheoperationsofourfunds’portfoliocompanieswithdebtmaybecomelessattractiveduetolimitationsonthedeductibilityofcorporateinterestexpense.See“—ComprehensiveU.S.federalincometaxreformbecameeffectivein2018,whichcouldadverselyaffectus.”Ifourfundsareunabletoobtaincommitteddebtfinancingforpotentialacquisitions,canonlyobtaindebtfinancingatanincreasedinterestrateoronunfavorabletermsortheabilitytodeductcorporateinterestexpenseissubstantiallylimited,ourfundsmayhavedifficultycompletingotherwiseprofitableacquisitionsormaygenerateprofitsthatarelowerthanwouldotherwisebethecase,eitherofwhichcouldleadtoadecreaseinourrevenues.Similarly,ourfunds’portfoliocompaniesregularlyutilizethecorporatedebtmarketsinordertoobtainfinancingfortheiroperations.Totheextentthatthecreditmarketsand/orregulatoryortaxchangesrendersuchfinancingdifficulttoobtain,moreexpensiveorotherwiselessattractive,thismayalsonegativelyimpactthefinancialresultsofthoseportfoliocompaniesand,therefore,theinvestmentreturnsonourfunds.Inaddition,totheextentthatmarketconditionsand/orregulatorychangesmakeitdifficultorimpossibletorefinancedebtthatismaturinginthenear-term,someofourfunds’portfoliocompaniesmaybeunabletorepaysuchdebtatmaturityandmaybeforcedtosellassets,undergoarecapitalizationorseekbankruptcyprotection.

    A decline in the pace or size of investment made by our funds may adversely affect our revenues.

    Therevenuesthatweearnaredriveninpartbythepaceatwhichourfundsmakeinvestmentsandthesizeofthoseinvestments,andadeclineinthepaceorthesizeofsuchinvestmentsmayreduceourrevenues.Manyfactors

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    couldcausesuchadeclineinthepaceofinvestment,includinghighprices,theinabilityofourinvestmentprofessionalstoidentifyattractiveinvestmentopportunities,competitionforsuchopportunitiesamongotherpotentialacquirers,decreasedavailabilityofcapitalonattractivetermsandourfailuretoconsummateidentifiedinvestmentopportunitiesbecauseofbusiness,regulatoryorlegalcomplexitiesoruncertaintyandadversedevelopmentsintheU.S.orglobaleconomyorfinancialmarkets.Inaddition,anincreaseinthepaceatwhichourfundsexitinvestmentscouldreducethefeerevenueweearnifsuchexitsarenotoffsetbynewcommitmentsandinvestments.

    Our revenue, earnings, net income and cash flow are all highly variable, which may make it difficult for us to achieve steady earnings growth on aquarterly basis and may cause the price of our common units to decline.

    Ourrevenue,netincomeandcashflowareallhighlyvariable.Forexample,ourcashflowmayfluctuatesignificantlyduetothefactthatwereceivecarriedinterestfromourcarryfundsonlywheninvestmentsarerealizedandachieveacertainpreferredreturn.Inaddition,transactionfeesreceivedbyourcarryfundscanvarysignificantlyfromquartertoquarter.Wemayalsoexperiencefluctuationsinourresults,includingourrevenueandnetincome,fromquartertoquarterduetoanumberofotherfactors,includingchangesinthevaluationsofourfunds’investments,changesintheamountofdistributions,dividendsorinterestpaidinrespectofinvestments,changesinouroperatingexpenses,thedegreetowhichweencountercompetitionandgeneraleconomicandmarketconditions.Inparticular,economicandmarketconditionsmayleadtovolatilityinthemark-to-marketvaluationsofinvestmentsmadebyourfunds,particularlyinrespectofourpublicinvestments.Thevaluationsofinvestmentsmadebyourfundscouldalsobesubjecttohighvolatilityasaresultofuncertaintyregardinggovernmentalpolicywithrespectto,amongotherthings,tax,financialservicesregulation,internationaltrade,immigration,healthcare,labor,infrastructureandenergy.Achievingsteadygrowthinnetincomeandcashflowonaquarterlybasismaybedifficult,whichcouldinturnleadtolargeadversemovementsorgeneralincreasedvolatilityinthepriceofourcommonunits.

    Thetimingandreceiptofcarriedinterestgeneratedbyourcarryfundsisuncertainandwillcontributetothevolatilityofourresults.Carriedinterestdependsonourcarryfunds’performanceandopportunitiesforrealizinggains,whichmaybelimited.Ittakesasubstantialperiodoftimetoidentifyattractiveinvestmen