Exhibit 4.9
 EXECUTION VERSION
 AMENDMENT TO
 SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT
 Amendment Company Appendix A Shareholders
 RECITALS
 Shareholders Agreement
     Qualified Public Offering
 Effective Date Effective Date
 Limitation of Liability




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Governing Law; Submission to Jurisdiction THIS AMENDMENT SHALL BE
GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, WITHOUT REGARD FOR
THE CONFLICTS OF LAWS PRINCIPLES THEREOF, EXCEPT TO THE EXTENT THAT THE LAWS OF THE CAYMAN ISLANDS
ARE MANDATORY. THE PARTIES HEREBY SUBMIT TO THE EXCLUSIVE JURISDICTION OF THE COURTS OF THE STATE
OF NEW YORK AND THE UNITED STATES DISTRICT COURT FOR THE SOUTHERN DISTRICT OF NEW YORK IN ANY
ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS AMENDMENT. THE PARTIES HEREBY WAIVE ANY
OBJECTION THEY MAY HAVE TO VENUE TO ANY SUCH ACTION OR PROCEEDING AND TO THE DEFENSE OF AN
INCONVENIENT FORUM WITH RESPECT THERETO. EACH PARTY HERETO CONSENTS TO SERVICE OF PROCESS IN THE
MANNER PROVIDED FOR NOTICES IN THE SHAREHOLDERS AGREEMENT.
 Counterparts
 Shareholders Agreement Remains in Effect
   - 2 -




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AEIBy:
    /s/ James A. HughesName:
    James A. HughesTitle:
    Chief Executive Officer SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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ASHMORE CAYMAN SPC NO. 3 LTD.
ON BEHALF OF AND FOR THE ACCOUNT OF AEI
SEGREGATED PORTFOLIOBy:
    /s/ Sarah KellyName:
    Sarah KellyTitle:
    Director SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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ASHMORE GLOBAL SPECIAL SITUATIONS FUND 2 LIMITEDBy:
    
    Northern Trust (Guernsey) LimitedIts:
    
    CustodianBy:
    
    /s/ Lucy WallaceName:
    
    Lucy WallaceTitle:
    
    Authorised SignatoryBy:
    
    /s/ Sarah BrouardName:
    
    Sarah BrouardTitle:
    
    Authorised Signatory
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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ASHMORE GLOBAL SPECIAL SITUATIONS FUND 3 LIMITED PARTNERSHIPBy:
    
    Northern Trust (Guernsey) LimitedIts:
    
    CustodianBy:
    
    /s/ Lucy WallaceName:
    
    Lucy WallaceTitle:
    
    Authorised SignatoryBy:
    
    /s/ Sarah BrouardName:
    
    Sarah BrouardTitle:
    
    Authorised Signatory
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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ASHMORE GLOBAL SPECIAL SITUATIONS FUND 4 LIMITED PARTNERSHIPBy:
    
    Northern Trust (Guernsey) LimitedIts:
    
    CustodianBy:
    
    /s/ Lucy WallaceName:
    
    Lucy WallaceTitle:
    
    Authorised SignatoryBy:
    
    /s/ Sarah BrouardName:
    
    Sarah BrouardTitle:
    
    Authorised Signatory
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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ASHMORE GLOBAL SPECIAL SITUATIONS FUND 5 LIMITED PARTNERSHIPBy:
    
    Northern Trust (Guernsey) LimitedIts:
    
    CustodianBy:
    
    /s/ Lucy WallaceName:
    
    Lucy WallaceTitle:
    
    Authorised SignatoryBy:
    
    /s/ Sarah BrouardName:
    
    Sarah BrouardTitle:
    
    Authorised Signatory
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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ASHMORE SICAV EMERGING MARKETS DEBT FUNDBy:
    
    Northern Trust Global Services Limited,
London (Royaume-Uni) Luxembourg BranchIts:
    
    Custodian for and on behalf of Ashmore
SICAV in respect of Ashmore SICAV Emerging
Markets Debts FundBy:
    
    /s/ Kim MartinName:
    
    Kim MartinTitle:
    
    Vice President
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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ASHMORE GLOBAL OPPORTUNITIES LIMITEDBy:
    
    Northern Trust (Guernsey) LimitedIts:
    
    CustodianBy:
    
    /s/ Lucy WallaceName:
    
    Lucy WallaceTitle:
    
    Authorised SignatoryBy:
    
    /s/ Sarah BrouardName:
    
    Sarah BrouardTitle:
    
    Authorised Signatory
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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ASSET HOLDER PCC LIMITED in respect of ASHMORE EMERGING MARKETS LIQUID INVESTMENT PORTFOLIOBy:
    
    Northern Trust (Guernsey) LimitedIts:
    
    CustodianBy:
    
    /s/ Lucy WallaceName:
    
    Lucy WallaceTitle:
    
    Authorised SignatoryBy:
    
    /s/ Sarah BrouardName:
    
    Sarah BrouardTitle:
    
    Authorised Signatory
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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EMDCD LTDBy:
    
    Northern Trust Company, London BranchIts:
    
    CustodianBy:
    
    /s/ Kim MartinName:
    
    Kim MartinTitle:
    
    Vice President
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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FCI LTD.By:
    /s/ Martin LangName:
    Martin LangTitle:
    Director SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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ASHMORE EMERGING MARKETS GLOBAL INVESTMENT PORTFOLIO LIMITEDBy:
    
    Northern Trust (Guernsey) LimitedIts:
    
    CustodianBy:
    
    /s/ Lucy WallaceName:
    
    Lucy WallaceTitle:
    
    Authorised SignatoryBy:
    
    /s/ Sarah BrouardName:
    
    Sarah BrouardTitle:
    
    Authorised Signatory
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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ASHMORE GROWING MULTI STRATEGY FUND LIMITEDBy:
    
    Northern Trust (Guernsey) LimitedIts:
    
    CustodianBy:
    
    /s/ Lucy WallaceName:
    
    Lucy WallaceTitle:
    
    Authorised SignatoryBy:
    
    /s/ Sarah BrouardName:
    
    Sarah BrouardTitle:
    
    Authorised Signatory
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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ASHMORE EMERGING MARKETS DEBT AND CURRENCY FUNDBy:
    
    Northern Trust (Guernsey) LimitedIts:
    
    CustodianBy:
    
    /s/ Lucy WallaceName:
    
    Lucy WallaceTitle:
    
    Authorised SignatoryBy:
    
    /s/ Sarah BrouardName:
    
    Sarah BrouardTitle:
    
    Authorised Signatory
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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CVI GVF (LUX) MASTER S.A.R.L.By:
    /s/ David FryName:
    David FryTitle:
    Director SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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SHERBROOKE, LTD.By:
    /s/ Marcy EngelName:
    Marcy EngelTitle:
    Director SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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FINISTERRE SPECIAL SITUATIONS MASTER FUNDBy:
    /s/ Rafael Biosse DuplanName:
    Rafael Biosse DuplanTitle:
    Authorized Signatory SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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GOLDMAN, SACHS & CO.By:
    /s/ Caroline BentonName:
    Caroline BentonTitle:
    Managing Director SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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ASHFIELD INVESTMENTS N.V.By:
    
    CMTC Management Services B.V.Its:
    
    Managing DirectorBy:
    
    /s/ U.A.G. VinckName:
    
    U.A.G. VinckTitle:
    
    Managing DirectorBy:
    
    /s/ T.M. van DeldenName:
    
    T.M. van DeldenTitle:
    
    Managing Director
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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MONTPELIER GLOBAL FUNDS LIMITEDBy:
    /s/ Jeremy SvejdarName:
    Jeremy SvejdarTitle:
    Director SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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OLD LANE HMA MASTER FUND, L.P.By:
    
    Old Lane Hedge Fund GP, LLCIts:
    
    General PartnerBy:
    
    /s/ Daniel McAuliffeName:
    
    Daniel McAuliffeTitle:
    
    Managing Director
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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OLD LANE CAYMAN MASTER FUND, L.P.By:
    
    Old Lane Hedge Fund GP, LLCIts:
    
    General PartnerBy:
    
    /s/ Daniel McAuliffeName:
    
    Daniel McAuliffeTitle:
    
    Managing Director
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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OLD LANE US MASTER FUND, L.P.By:
    
    Old Lane Hedge Fund GP, LLCIts:
    
    General PartnerBy:
    
    /s/ Daniel McAuliffeName:
    
    Daniel McAuliffeTitle:
    
    Managing Director
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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VR GLOBAL PARTNERS, L.P.By:
    
    VR Advisory Services Ltd.Its:
    
    General PartnerBy:
    
    /s/ Richard DeitzName:
    
    Richard DeitzTitle:
    
    Director
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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BUCKLAND INVESTMENT PTE LTDBy:
    /s/ George KayName:
    George KayTitle:
    Authorized Signatory SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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CASTLERIGG LATHAM INVESTMENTS LLCBy:
    
    Sandell Asset Management Corp.Its:
    
    ManagerBy:
    
    /s/ Patrick T. BurkeName:
    
    Patrick T. BurkeTitle:
    
    Senior Managing Director
 SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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BLACK RIVER EMERGING MARKETS CREDIT FUND LTD.By:
    /s/ Curtis MenkelName:
    Curtis MenkelTitle:
    Authorized Signatory SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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GPU ARGENTINA HOLDINGS, INC.By:
    /s/ Enrique Ruete AguirreName:
    Enrique Ruete AguirreTitle:
    Attorney in Fact SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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J.P. MORGAN OVERSEAS CAPITAL CORPORATIONBy:
    /s/ William W. PoraName:
    William W. PoraTitle:
    Attorney-In-Fact SIGNATURE PAGE TO AMENDMENT TO SECOND AMENDED AND RESTATED SHAREHOLDERS AGREEMENT OF AEI




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APPENDIX A