ࡱ>  l \pThe Free Software Foundation B=PF0*8X@"1 Helvetica1Courier1 Courier New1 Courier New1 Helvetica$#,##0_);($#,##0)$#,##0_);[Red]($#,##0)$#,##0.00_);($#,##0.00)$#,##0.00_);[Red]($#,##0.00)-**_($* #,##0_);_($* (#,##0);_($* "-"_);_(@_)*)'_(* #,##0_);_(* (#,##0);_(* "-"_);_(@_)5,2_($* #,##0.00_);_($* (#,##0.00);_($* "-"??_);_(@_)2+/_(* #,##0.00_);_(* (#,##0.00);_(* "-"??_);_(@_)2$#,##0.00;[Red]$#,##0.003$#,##0.00;[Red]($#,##0.00)4$#,##0;[Red]($#,##00)50.00%;[Red](0.00%)6 0%;[Red](0%)7#,##0.00;[Red](#,##0.00)8#,##0;[Red](#,##0)                + ) , *   Ј ~~ ؈ ~~#؈ ~~"؈ ~~8#܈ ~~ ؈ ~~7#܈ ~~8"܈ ~~<"܈ ~~4#܈ ~~4"܈ ~~<#܈ ~~3#܈ ~~83ffff̙̙3f3fff3f3f33333f33 TABLE OF CONTENTS&7$STOCK OWNERSHIP OF CERTAIN BENE5BSTOCK OWNERSHIP OF (1)=OCommittees and Meetings)eCommittees and (1)&qFees of Independent Registered &A}Compensation Discussion and Ana&nHow Executive Compensation is D] Base SalaryAnnual Incentive PlanԪAnnual Incentive (1)!jSUMMARY COMPENSATION TABLE&2015 GRANTS OF PLANBASED AWARDS&# OUTSTANDING EQUITY AWARDS AT 20&T2015 OPTION EXERCISES AND STOCK&ePotential Payments Upon Termina#4yPotential Payments Upon (1)^Director Compensation!W2015 DIRECTOR COMPENSATION(2015 DIRECTOR C (1)&Securities Authorized for Issua& Stockholder Proposals for the 2& IF YOU HAVE NOT VOTED VIA THE# IF YOU HAVE NOT VOTED (1) l  = #  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } I;} $ } } $ =     NxStage Medical, Inc.DEF 14A 04/28/2016TABLE OF CONTENTS   Page 4 ,GENERAL INFORMATION ABOUT THE ANNUAL MEETING  ~    AND VOTING* "PROPOSAL 1 ? ELECTION OF DIRECTORS  ~  9 1PROPOSAL 2 ? ADVISORY VOTE ON OUR NAMED EXECUTIVE  ~  OFFICERS? COMPENSATION2*PROPOSAL 3 ? RATIFICATION OF THE SELECTION~ "7/OF OUR INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM-%STOCK OWNERSHIP OF CERTAIN BENEFICIAL~ &OWNERS AND MANAGEMENTCORPORATE GOVERNANCE~ .'Corporate Governance Guidelines~ ."Board Leadership Structure~ .Risk Oversight~ .+#Board Determination of Independence~ 2$Communicating with Our Board~ 2#Director Nomination Process~ 2Committees and Meetings~ 6+#Code of Business Conduct and Ethics~ :Audit Committee Report~ :-%Fees of Independent Registered Public~ >Accounting FirmD lui-y rQJC4 !"#$%&'()*+,-./0123456789:;<, $Pre-Approval Policies and Procedures  ~ > 6!.CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS!!~ !>!1")Policies and Procedures Regarding Review,""~ ">"3#+Approval and Ratification of Related Person$ Transactions0%(INFORMATION ABOUT EXECUTIVE AND DIRECTOR%%~ %F%& COMPENSATION,'$Compensation Discussion and Analysis''~ 'F'%(Compensation Committee Report((~ (j(")Summary Compensation Table))~ )j)(* 2015 Grants of Plan-Based Awards**~ *n*0+(Outstanding Equity Awards at 2015 Fiscal++~ +r+,Year-End.-&2015 Option Exercises and Stock Vested--~ -v-..&Potential Payments Upon Termination or..~ .v./Change in Control0Director Compensation00~ 0~001(Securities Authorized for Issuance Under11~ 11%2Our Equity Compensation Plans3 OTHER MATTERS33~ 3344,Section 16(a) Beneficial Ownership Reporting44~ 445 Compliance-6%Delivery of Security Holder Documents66~ 6617)Stockholder Proposals for the 2017 Annual77~ 778Meeting9$:____________________________1;)Created by Morningstar Document Research.0<(http://documentresearch.morningstar.com/>? 02|A%I,sJn=PF0*8X> @"<<;;::  l  37A  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTSSTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } U5} $ } y} U} $ } U} $ 3                                 NxStage Medical, Inc.DEF 14A 04/28/2016C;STOCK OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT Name  Shares    Percentage of    Beneficially Owned 1   Outstanding Shares 2& Gilder, Gagnon, Howe & Co. LLC  ~ >n~    "@ %% 3 Columbus Circle, 26th Floor         New York, NY 10019        Deerfield Mgmt, L.P.~ "~ ffffff@ %$780 Third Avenue, 37th FloorNew York, NY 10017 The Vanguard Group, Inc.~ ~~ @ %100 Vanguard Blvd.Malvern, PA 19355( RS Investment Management Co. LLC~ Ni~ @ %"One Bush Street, Suite 900San Francisco, CA 94104BlackRock, Inc.~ ~ ffffff@ %55 East 52nd StreetNew York, NY 10055FMR LLC~ ~ @ %245 Summer StreetBoston, MA 02210Larry N. Feinberg~ FQ~ ffffff@ %!c/o Oracle Partners, L.P.200 Greenwich AvenueDflcWK?hc\I &&& &*&'Daniel A. Giannini''~ 'k ''' '*'(Winifred L. Swan((~ (r^((( (*()Matthew W. Towse))~ )F#))) )*)*Barry M. Straube**~ **** ***+Robert G. Funari++~ ++++ +*+, Jean K. Mixer,,~ ,r,,, ,*,4-,All current directors and executive officers--~ -6----@ -%.as a group (12 persons)/$0____________________________11)Created by Morningstar Document Research.02(http://documentresearch.morningstar.com/*R hx}=PF0*8X> @:221100     l  N  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENECommittees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } U5} $ }  } $      NxStage Medical, Inc.DEF 14A 04/28/2016C;STOCK OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT Name   Option Shares  Jeffrey H. Burbank  ~ zv   Joseph E. Turk, Jr.  ~   Robert S. Brown  ~ Z  Reid S. Perper  ~   Craig W. Moore~ j Earl R. Lewis~ jDaniel A. Giannini~ jWinifred L. Swan~ Matthew W. Towse~ Barry M. Straube~ pRobert G. Funari~ . Jean K. Mixer~ r4,All current directors and executive officers~ Nbas a group (12 persons)$____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/<<cWK?r! @"  l  .^d  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } <} $ } 8} $ } !} $ } } $ .                                 NxStage Medical, Inc.DEF 14A 04/28/2016Committees and Meetings  Committee 0 (Principal Functions and Responsibilities  Members  Meetings        in 2015 Audit / '? Appoint, approve the compensation of, # Daniel A. Giannini (Chair)?  ~ &   5 -and assess the independence of our registered   Jean K. Mixer   public accounting firm.  Reid S. Perper3+? Oversee the work of our registered public.&accounting firm, including through the1)receipt and consideration of reports from the firm.0(? Review and discuss with management and-%our registered public accounting firm5-our annual and quarterly financial statements and related disclosures.6.? Monitor our internal controls over financial5-reporting, disclosure controls and procedures0(and Code of Business Conduct and Ethics..&? Oversee our internal audit function./'? Discuss our risk management policies.-%? Establish policies regarding hiring7/employees from our registered public accounting/'firm and procedures for the receipt and2*retention of accounting related complaints and concerns.D/ l{ocWGp!]w;Ln ! " # $ % & ' ( ) * + , -   . &? Meet independently with our internal!!1!)audit staff, registered public accounting"""firm and management.##2#*? Review and approve or ratify any related$$$person transactions.% Compensation%5%-? Review and approve, or make recommendations%%Craig W. Moore (Chair)%%~ %%&&6&.to our Board with respect to, the compensation&&Robert G. Funari''"'of our executive officers.'' Earl R. Lewis$(____________________________1))Created by Morningstar Document Research.0*(http://documentresearch.morningstar.com/++)+!? Administer our incentive plans.,,0,(? Review and make recommendations to our--4-,Board with respect to director compensation. yi1t;=PF0*8X> @***))((   l  *q  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and Meetings!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } m} $ } U5} $ } } $ } y      NxStage Medical, Inc.DEF 14A 04/28/2016Committees and Meetings  Committee 0 (Principal Functions and Responsibilities  Members  Meetings       in 2015  Nominating 2 *? Identify individuals qualified to become  Robert G. Funari (Chair) ~   and Corporate   directors.  Reid S. Perper  Governance 0 (? Review and make recommendations to our  Barry M. Straube$____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com//'nominated for election as directors and,$appointed to each of our committees.4,? Review and assess our Corporate Governance/'Guidelines and recommend changes to ourBoard..&? Oversee an annual self-evaluation of our Board.4{oc{ ~wB{+=PF0*8X> @ l  |  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } } $ }  } $ }  } $                       NxStage Medical, Inc.DEF 14A 04/28/2016=5Fees of Independent Registered Public Accounting Firm  Fee Category ~ ~  ~ z   Audit Fees 1 ~ Gg  ~ Z0T  Audit-Related Fees 2  ~ 2   ~ "   Tax Fees 3  ~    ~ b   All Other Fees 4  ~ B   ~ B  Total Fees~ |~ _$____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/.i]QEu'=PF0*8X> @J      l    dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } } $ } I;      NxStage Medical, Inc.DEF 14A 04/28/2016,$Compensation Discussion and Analysis Jeffrey H. Burbank  Chief Executive Officer Joseph E. Turk, Jr.   President Matthew W. Towse 9 1Senior Vice President and Chief Financial Officer Robert S. Brown & President, NxStage Kidney Care Winifred L. Swan 1 )Senior Vice President and General Counsel$____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/*hznbV2@zR=PF0*8X> @ l  ̐  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } } $ } y#      NxStage Medical, Inc.DEF 14A 04/28/20160(How Executive Compensation is Determined  Abaxis, Inc.   ABIOMED, Inc. Accuray Incorporated  AngioDynamics, Inc. ArthroCare Corporation  Atrion Corporation Cantel Medical Corp.  Cyberonics, Inc.  DexCom, Inc. % HeartWare International, Inc.ICU Medical, Inc.Insulet CorporationMasimo Corporation#Merit Medical Systems, Inc."Natus Medical IncorporatedNuVasive, Inc.!Spectranetics CorporationThoratec CorporationVolcano Corporation"Wright Medical Group, Inc.$____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/4Kvj^R.Z},>2&=PF0*8X> @ l    dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is DAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } a} $ }  } $ } $} $                      NxStage Medical, Inc.DEF 14A 04/28/2016 Base Salary   2015 Base Salary ($)   Increase From 2014  Jeffrey H. Burbank  ~ b#   ~ . % Joseph E. Turk, Jr  ~    ~  % Matthew W. Towse  ~ br   ~ " % Robert S. Brown  ~ 9   ~   %Winifred L. Swan~ ~  %$____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/,8|{o=PF0*8X> @*   l  +  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } } $ } $} $} $ } U} $} $ } U} $} $ } U} $      NxStage Medical, Inc.DEF 14A 04/28/2016Annual Incentive Plan         Threshold   Target   Stretch    Outstanding  Jeffrey H. Burbank  ~  %  ~  %  ~  %  ~ Z % Joseph E. Turk, Jr.  ~ z %  ~  %  ~ . %  ~ j % Matthew W. Towse  ~ f %  ~  %  ~  %  ~ . % Robert S. Brown  ~ f %  ~  %  ~  %  ~ . %Winifred L. Swan~ f %~  %  ~    % ~ . %$____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/,|}qe8PD8=PF0*8X> @:    l  ٳ  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanSUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } } $ }  } $      NxStage Medical, Inc.DEF 14A 04/28/2016Annual Incentive Plan   2015 Award ($)  Jeffrey H. Burbank  ~ &%  Joseph E. Turk, Jr.  ~ V  Matthew W. Towse  ~ :   Robert S. Brown  ~  Winifred L. Swan~ s $____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/,|}qe)JaUI!=PF0*8X> @"  l  !  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } $} $ }  } $ }  }  $ }  } $ } y} $ }  } $ }  } $ } y} $ !     NxStage Medical, Inc.DEF 14A 04/28/2016"SUMMARY COMPENSATION TABLE     # Name and Principal Position  Year   Salary   Stock   Option    Non-Equity    All Other    Total ($)       ~    Awards   Awards   Incentive Plan    Compensation           ($) 1   ($) 2    Compensation   ($) 4                   ($) 3 Jeffrey H. Burbank  ~  ~   ~ "   ~    ~ PL   ~ &%   ~    ~  Chief Executive Officer~  z~ BT  ~    ~ &L:~ "x~ >~ ~  v~   ~    ~ 0F~ ~  _rJoseph E. Turk, Jr~  ~~ n  ~  2   ~ v(&~ V~ ~ S President~  z~ N  ~  :  ~ F~ J ~ ~ B;~  v~    ~  ^  ~ i~ b~ 1Matthew W. Towse 5~  ~~ r  ~  J  ~ k~ : ~ ~ R=Chief Financial Officer~  z~ f  ~  :  ~ F~ n|~ ~ ~6~  v~ ^R  ~     ~ J~ :U~ 3-Robert S. Brown~  ~~ #  ~  J  ~ k~ ~ ~ b9&President, NxStage Kidney Care~  z~   ~  :  ~ F~ b~ ~ 3~  v~   ~  ^  ~ i~ b~ >0Winifred L. Swan~  ~~ B8  ~  N  ~ ~ s ~ ~ 6General Counsel~  z~ M  ~  jP  ~ y~ G~ ~ B1~  v~   ~  N  ~ "~ b~ *$____________________________1)Created by Morningstar Document Research.D*lxl`4K\x&3 0 (http://documentresearch.morningstar.com/H=PF0*8X> @                l  %3    dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } } $ } y } $ }  }  $ }  } $ }  } $ }  } $ } } $ }  } $ }  }  $ } !! } "$$ } %% } &'$ %(((((((((( ( ( ( ( (((((((((((((((((((NxStage Medical, Inc.DEF 14A 04/28/2016( 2015 GRANTS OF PLAN-BASED AWARDS      !"#$%&   Grant    Estimated    Estimated    All other    Exercise or " # $ Grant date &   Date 1   future payouts   future payouts   option    base price " # $ fair value       under non-equity    under equity   awards:    of option " # $ of stock and       incentive plan   incentive plan    Number of   awards " # $option       awards   awards    securities   ($/Sh) " # $awards ($) 2 (#) 3 underlying !"# $($) 5     options Name Threshold  Target  Maximum ThresholdTargetMaximum (#) 4 !"#Jeffrey H. Burbank~ 2  ~  b#  ~ 4 !"#$%&'3/3/2015     ~ ~ zT !"#$~ %&3/3/2015     ~   !)\0@"#$~ %PL&Joseph E. Turk, Jr.~   ~  /   ~  !"#$%&3/3/2015     ~ ~ >* !"#$~ %2 &3/3/2015     ~ B !)\0@"#$~ %v(&&Matthew W. Towse~   ~  29   ~ U !"#$%&3/3/2015     ~ X~ b !"#$~ %J&3/3/2015     ~ J !)\0@"#$~ %k&Robert S. Brown~ z  ~     ~ jk !"#$%&3/3/2015     ~ X~ b !"#$~ %J&3/3/2015     ~ J !)\0@"#$~ %k&Winifred L. Swan~   ~     ~  !"#$%&3/3/2015     ~ H~ 2  !"#$~ %N&3/3/2015     ~ A !)\0@"#$~ %&D*l~rfZmY=("!?Yl 'AW (!("(#($( !$"____________________________1#)Created by Morningstar Document Research.0$(http://documentresearch.morningstar.com/ P=PF0*8X> @J)$$&##&""& $%    ! $%    ! $%    ! $%     ! $%     ! $% l  841S  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } } $ }  } $ }  }  $ } } U} $ }  } $ }  } $ }  } U} $ } y} $ 8     NxStage Medical, Inc.DEF 14A 04/28/201691OUTSTANDING EQUITY AWARDS AT 2015 FISCAL YEAR-END            Option Awards    Stock Awards  Name  Grant    Number of    Number of   Option   Option    Number of    Market value    Date    securities    securities   exercise    expiration   shares or units    of shares or        underlying    underlying   price   date    of stock that   units of stock        unexercised    unexercised  ~        have not    that have notoptions   options (#)   vested (#) vested 1 ($) (#)   Unexercisable ExercisableJeffrey H. Burbank3/5/2009~ 8     zG@3/4/20163/3/2010~      Q#@3/2/2017 5/27/2011~ "     ףp= 2@ 5/26/20183/9/2012~ Vr  ~  )~   {Gz2@3/8/20193/4/2013~ "  ~  "~   (\&@3/3/2023 3/10/2014~   ~  ^~   RQ-@3/9/20243/3/2015~ X  ~  N+ ~   )\0@3/2/20253/3/2015     ~ k~ ~ JJoseph E. Turk, Jr.3/5/2009~ z.     zG@3/4/20163/3/2010~      Q#@3/2/2017 5/27/2011~      ףp= 2@ 5/26/20183/9/2012~   ~  6~   {Gz2@3/8/20193/4/2013~   ~  A~   (\&@3/3/2023 3/10/2014~   ~  ~   RQ-@3/9/20243/3/2015~ ^,  ~  ~   )\0@3/2/2025Dg"lmaUI\V &,>Mkp  !"#$%&'()*+,-./01234567    3/3/2015                   ~ 0~   ~ R !Matthew W. Towse!!! 7/15/2013!!!~ !ʬ!! ! ~ ! ~ ! ! !!,@!!!! 7/14/2023!!!!!!!!!"""" 7/15/2013"""""" " " " " """""""""~ "M~ """~ "z"#### 3/10/2014###~ ### # ~ # ~ # # ##RQ-@####3/9/2024#########$$$$3/3/2015$$$~ $>$$ $ ~ $ A~ $ $ $$)\0@$$$$3/2/2025$$$$$$$$$%%%%3/3/2015%%%%%% % % % % %%%%%%%%%~ %0~ %%%~ %R%&Robert S. Brown&&& 5/27/2011&&&~ &&& & & & & &&ףp= 2@&&&& 5/26/2018&&&&&&&&&''''3/9/2012'''~ ''' ' ~ ' 6~ ' ' ''{Gz2@''''3/8/2019'''''''''((((3/4/2013(((~ ((( ( ~ ( A~ ( ( (((\&@((((3/3/2023((((((((()))) 3/10/2014)))~ ))) ) ~ ) ~ ) ) ))RQ-@))))3/9/2024)))))))))****3/3/2015***~ *>** * ~ * A~ * * **)\0@****3/2/2025*********++++3/3/2015++++++ + + + + +++++++++~ +0~ +++~ +R+,Winifred L. Swan,,,3/3/2010,,,~ ,&,, , , , , ,,Q#@,,,,3/2/2017,,,,,,,,,---- 5/27/2011---~ --- - - - - --ףp= 2@---- 5/26/2018---------....3/9/2012...~ ... . ~ . 6~ . . ..{Gz2@....3/8/2019.........////3/4/2013///~ /&?// / ~ / v~ / / //(\&@////3/3/2023/////////0000 3/10/2014000~ 0R00 0 ~ 0 V~ 0 0 00RQ-@00003/9/202400000000011113/3/2015111~ 1211 1 ~ 1 ޤ~ 1 1 11)\0@11113/2/202511111111122223/3/2015222222 2 2 2 2 222222222~ 2z~ 222~ 2.234$5____________________________16)Created by Morningstar Document Research.07(http://documentresearch.morningstar.com/4X (FIXv|1%=PF0*8X> @*%776655                          l  d  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } } $ }  } $ } y}  $ } } U} $ }  } $      NxStage Medical, Inc.DEF 14A 04/28/2016.&2015 OPTION EXERCISES AND STOCK VESTED         Option Awards    Stock Awards  Name  Number of Shares   Value Realized   Number of Shares   Value Realized    Acquired on Exercise    on Exercise   Acquired on Vesting    on Vesting   (#)   ($) 1   (#)  ~  Jeffrey H. Burbank  ~ T    ~    ~ S~   ~ & Joseph E. Turk, Jr.~ *~ "#  ~  ~   ~ R Matthew W. Towse~ ~   ~  R~   ~ &' Robert S. Brown~ ^~ j#  ~  ~   ~ R Winifred L. Swan~ W~ N  ~  *~   ~  $____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/2! xl`T?s:TH<=PF0*8X> @            l  !w9x  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCKPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } a} $ } 7} $ }  } $ } y} $ !                                 NxStage Medical, Inc.DEF 14A 04/28/2016@8Potential Payments Upon Termination or Change in Control   Name  Severance Benefit   Termination    Termination       Without Cause    Without Cause     or Resignation   Three Months Before     for Good Reason   Change in Control;    ~     Termination Without Causeat Any Time After aChange in Control;Resignation for Good reasonDuring the 12 MonthsFollowing a Change in Control~ Jeffrey H. BurbankSeverance Payments~ b#~  a Healthcare Benefits 1~ J~   6.Market Value of Stock Vesting on Termination 2~ vLi~    Total~ c~  3b $____________________________1)Created by Morningstar Document Research.D lfZNB',>FMVb{8,  0 (http://documentresearch.morningstar.com/H=PF0*8X> @                      l  0E  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaDirector Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } } $ } 7} $ }  } $ }  } $ 0                                 NxStage Medical, Inc.DEF 14A 04/28/2016@8Potential Payments Upon Termination or Change in Control   Name  Severance Benefit   Termination    Termination       Without Cause    Without Cause     or Resignation   Three Months Before     for Good Reason   Change in Control;    ~     Termination Without Causeat Any Time After aChange in Control;Resignation for Good reasonDuring the 12 MonthsFollowing a Change in Control~ Joseph E. Turk, Jr.Severance Payments~  ~  (# Healthcare Benefits 1~ &~  J 6.Market Value of Stock Vesting on Termination 2~ r/~  Q  Total~ %~  u Matthew W. TowseSeverance Payments~ 29 ~   Healthcare Benefits 1~ &~  J 6.Market Value of Stock Vesting on Termination 2~ ~-~   N DvlfZNB',>FMVbz7] ! " # $ % & ' ( ) * + , - . /    Total  ~ !   ~ m !!!!"Robert S. Brown""Severance Payments""~ " """~ " " ###Healthcare Benefits 1##~ #&###~ # J# $$6$.Market Value of Stock Vesting on Termination 2$$~ $$$$~ $ Z4H$ %% %Total%%~ %"%%%~ % r f% &&&&'Winifred L. Swan''Severance Payments''~ ' '''~ ' $' (((Healthcare Benefits 1((~ (&(((~ ( =( ))6).Market Value of Stock Vesting on Termination 2))~ ))))~ ) :) ** *Total**~ *`***~ * z`* +,$-____________________________1.)Created by Morningstar Document Research.0/(http://documentresearch.morningstar.com/$,sCGC=PF0*8X> @// .. --                    l    dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } } $ }  } $ } <} $ } } $ }  } $ } <} $ }                      NxStage Medical, Inc.DEF 14A 04/28/2016Director Compensation       Committee Chair  Committee Member*  Board Chair  Audit   Compensation  Nominating and  Audit   Compensation  Nominating and        Corporate       Corporate        Governance       Governance~ " ~ 8 ~  ~ bm ~ B ~ ] ~ "N$____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/*h}qem*th@=PF0*8X> @*     l  ]  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } a} $ }  } $ }  }  $ }  } $                           NxStage Medical, Inc.DEF 14A 04/28/2016"2015 DIRECTOR COMPENSATION       Fees Earned or   Option    Total ($)     Paid In Cash   Awards  ~    ($) 1 Robert G. Funari  ~ z   ~    ~ &   Daniel A. Giannini  ~    ~    ~ .Z   Earl R. Lewis~ ~   ~  >z   Jean K. Mixer~ e~   ~  ~  Craig W. Moore~ )~   ~    Reid S. Perper~ b[~   ~    Jay W. Shreiner 2~   ~   Barry M. Straube~ "~   ~  o  $____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/6 xl`/ qb=PF0*8X> @R          l    dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } a} $ }  } $      NxStage Medical, Inc.DEF 14A 04/28/2016"2015 DIRECTOR COMPENSATION Name  Shares     Subject to   Stock   Options Robert G. Funari  ~ . Daniel A. Giannini~ j Earl R. Lewis~ j Jean K. Mixer~ rCraig W. Moore~ jReid S. Perper~  Jay W. ShreinerBarry M. Straube~ p$____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/8xl`$h4Q=PF0*8X> @:     l    dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } -} $ } y}  $ } y} $                          NxStage Medical, Inc.DEF 14A 04/28/2016NFSecurities Authorized for Issuance Under Our Equity Compensation Plans      Plan Category   Number of    Weighted-    Number of     Securities to   Average    Securities    be Issued   Exercise    Remaining   Upon   Price of    Available for    Exercise of    Outstanding   Future OutstandingOptions,  IssuanceOptions,Warrants   Under EquityWarrants and Rights 2   Compensation and Rights 1  Plans 3-%Equity compensation plans approved by~ E!Gz,@  ~   security holders$____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/4 XL@4ncT@=PF0*8X> @                 l  /  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua! IF YOU HAVE NOT VOTED VIA THE IF YOU HAVE NOT VOTED (1)U } $ } $} $ } F /     NxStage Medical, Inc.DEF 14A 04/28/201691Stockholder Proposals for the 2017 Annual Meeting  & Electronic Voting Instructions . &You can vote by Internet or telephone!0(Available 24 hours a day, 7 days a week!5-Instead of mailing your proxy, you may choose4,one of the two voting methods outlined belowto vote your proxy./'VALIDATION DETAILS ARE LOCATED BELOW INTHE TITLE BAR.6.Proxies submitted by the Internet or telephone/'must be received by 11:59 p.m., EasternTime, on May 25, 2016.Vote by Internet ?B:Log on to the Internet and go to www.investorvote.com/NXTM ?0(Follow the steps outlined on the securedwebsite.DlmaUI Y pd*Y !"#$%&'()*+,-.  !!!Vote by telephone"""""## #?#3#+Call toll free 1-800-652-VOTE (8683) within$$$$1$)the USA, US territories & Canada any time%%%%5%-on a touch tone telephone. There is NO CHARGE&&&&&to you for the call.'''''(( (?(/('Follow the instructions provided by the)))))recorded message.*+$,____________________________1-)Created by Morningstar Document Research.0.(http://documentresearch.morningstar.com/"wAQ=PF0*8X> @..--,,!!   l  $  dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2 IF YOU HAVE NOT VOTED (1)U } U} $ } y<} $ } $      NxStage Medical, Inc.DEF 14A 04/28/2016kc IF YOU HAVE NOT VOTED VIA THE INTERNET OR TELEPHONE, FOLD ALONG THE PERFORATION, DETACH AND RETUR  A 5 -Proposals ? The Board of Directors recommends    6 .a vote FOR all the nominees listed in Proposal  $ 1 and FOR Proposals 2 and 3.     +  7 /In their discretion, the proxies are authorized80to vote upon such other business as may properly:2come before the Annual Meeting or any adjournments!or postponements thereof.$____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/2>;/#pNg7+=PF0*8X> @ l    dMbP?_*+%,&٭e2?'٭e2?(٭e2?)٭e2?",D/??TABLE OF CONTENTS!STOCK OWNERSHIP OF CERTAIN BENESTOCK OWNERSHIP OF (1)Committees and MeetingsCommittees and (1)!Fees of Independent Registered !Compensation Discussion and Ana!How Executive Compensation is D Base SalaryAnnual Incentive PlanAnnual Incentive (1)SUMMARY COMPENSATION TABLE!2015 GRANTS OF PLANBASED AWARDS!OUTSTANDING EQUITY AWARDS AT 20!2015 OPTION EXERCISES AND STOCK!Potential Payments Upon TerminaPotential Payments Upon (1)Director Compensation2015 DIRECTOR COMPENSATION2015 DIRECTOR C (1)!Securities Authorized for Issua!Stockholder Proposals for the 2! IF YOU HAVE NOT VOTED VIA THEU } I"} $ } } $ } y } $ } } $ } } $ } y } $ } U} $ } } $ } y } $      NxStage Medical, Inc.DEF 14A 04/28/2016kc IF YOU HAVE NOT VOTED VIA THE INTERNET OR TELEPHONE, FOLD ALONG THE PERFORATION, DETACH AND RETUR     ! 1. Election of Directors:  For  Withhold      For  Withhold      For  Withhold              $  01 - Jeffrey H. Burbank  ?  ?    02 - Robert G. Funari  ?  ?    03 - Daniel A. Giannini  ?  ?                04 - Earl R. Lewis  ?  ?    05 - Jean K. Mixer  ?  ?    06 - Craig W. Moore  ?  ?       07 - Reid S. Perper ? ?08 - Barry M. Straube   ?   ? $____________________________1)Created by Morningstar Document Research.0(http://documentresearch.morningstar.com/.E ;/#%3M=PF0*8X> @ Root Entry FBook    !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~