EX-4.2.1





 Exhibit 4.2.1 

CERTIFICATE OF LIMITED PARTNERSHIP 

OF 
 HANOVER COMPRESSION
LIMITED PARTNERSHIP 
 FIRST: The name of the limited partnership is Hanover Compression Limited Partnership. 

SECOND: The address of its registered office in the State of Delaware is 1209 Orange Street in the City of Wilmington, County of New Castle. The name
of its registered agent at such address is The Corporation Trust Company. 
 THIRD: The name and mailing address of the sole general partner of the
limited partnership is: 
 Hanover LLC 3, LLC 

300 Delaware Avenue, Suite 900 

Wilmington, DE 19805 
 Dated: December 7th, 2000.

  

			
	HANOVER LLC 3, LLC,
	as sole general partner
		
	By:	 	/s/ William S. Goldberg
		 	William S. Goldberg
		 	President














 CERTIFICATE OF MERGER 

OF 
 HANOVER SEVEN INC.

 WITH AND INTO 

HANOVER COMPRESSION LIMITED PARTNERSHIP 

(Under Section 263 of the General 

Corporation Law of the State of Delaware and Section 17-211 

of the Revised Uniform Limited Partnership Act of the State of Delaware) 

The undersigned limited partnership, organized and existing undo- and by virtue of the Revised Uniform Limited Partnership Act of the State of
Delaware, 
 DOES HEREBY CERTIFY: 

1. The name and state of domicile of each of the constituent Entities in the merger (the “Merger”) is as follows: 

 

			
	 Name
	  	 State

		
	 Hanover Seven Inc.
	  	 Delaware

		
	 Hanover Compression Limited Partnership
	  	 Delaware


 2. An Agreement of Merger and Plan of Reorganization bets seen the parties to the Merger (the “Merger
Agreement”) has been approved, adopted, certified, executed and acknowledged by each of the constituent entities in accordance with the requirements of Section 263 of the General Corporation Law of Delaware and Section 17-211 of the Delaware Revised Uniform Limited Partnership Act. 
 3. The name of the
surviving limited partnership is Hanover Compression Limited Partnership (the “Surviving Entity”). 
 4. The executed Merger
Agreement is on file at an office of the Surviving Entity, the address of which is 12001 North Houston Rosslyn, Houston, Texas 77086. 
 5.
A copy of the Merger Agreement will be furnished by the Surviving Entity, on request and without cost, to any stockholder of Hanover Seven Inc. or any partner of Hanover Compression Limited Partnership. 












 IN WITNESS WHEREOF, the undersigned limited partnership has caused this certificate to be
signed by its general partner as of the 29 day of December, 2000. 
  

			
	By: HANOVER. LLC 3, LLC, its general partner
		
	By:	 	/s/ William C. Bryant
		 	William C. Bryant
		 	Manager



  
 3 













 CERTIFICATE OF AMENDMENT 

TO 
 CERTIFICATE OF
LIMITED PARTNERSHIP 
 OF 

HANOVER COMPRESSION LIMITED PARTNERSHIP 

It is hereby certified that: 
 FIRST: The name
of the limited partnership (hereinafter called the “Partnership”) is 
 HANOVER COMPRESSION LIMITED PARTNERSHIP 

SECOND: Pursuant to provisions of Section 17-202, Title 6, Delaware Code, the Certificate of
Limited Partnership is amended as follows: 
 Third: The name and mailing address of the sole general partner of the Limited Partnership is:

  

			
		 	 Hanover Compression General Holdings, LLC

		 	 12001 N Houston Rosslyn

		 	 Houston, TX 77086


 The undersigned, the sole general partner of the Partnership, executed this Certificate of Amendment on
January 2, 2001. 
  

			
	Hanover Compression General Holdings, LLC,
	its General Partner
	
	By Hanover Compressor Company, its member
		
	By:	 	/s/ Richard S. Meller
		 	Richard S. Meller, its Secretary














 CERTIFICATE OF AMENDMENT 

TO 
 CERTIFICATE OF
LIMITED PARTNERSHIP 
 OF 

HANOVER COMPRESSION LIMITED PARTNERSHIP 

It is hereby certified that 
 FIRST: The name of
the limited partnership is HANOVER COMPRESSION LIMITED PARTNERSHIP (the “Partnership”). 
 SECOND: Pursuant to provisions of Section 17-202, Title 6, Delaware Code, the Certificate of Limited Partnership is amended as follows: 

“Third: The name and mailing address of the sole general partner of the Partnership is: 

 

			
		 	 Hanover Compression General Holdings, LLC

		 	 12001 North Houston Rosslyn

		 	 Houston, Texas 77086”


  

							
	Dated: August 20, 2001	 		 	Hanover Compression Limited Partnership
				
		 		 	By	 	Hanover Compression General Holdings, LLC,
		 		 		 	its General Partner
				
		 		 	By:	 	/s/ Richard S. Meller
		 		 		 	Richard S. Meller, authorized person













 CERTIFICATE OF MERGER 

OF 
 HANOVER NEWCO 2, LLC

 INTO 
 HANOVER
COMPRESSION LIMITED PARTNERSHIP 
 Pursuant to Title 6, Sec. 17-211 of the Delaware Code, the undersigned
surviving limited partnership submits the following Certificate of Merger for filing and certifies that. 
 1. The name and jurisdiction of formation or
organization of the domestic limited partnership and limited liability company which are to merge is. 
  

			
	 Name
	  	 Jurisdiction

	 Hanover Newco 2, LLC
	  	Delaware
	 Hanover Compression Limited Partnership
	  	Delaware

 2. An Agreement and Plan of Merger has been approved and executed by the domestic limited partnership and the limited
liability company which arc to merge. 
 3. The name of the surviving limited partnership is: Hanover Compression Limited Partnership. 

4. The Agreement and Plan of Merger is on file at a place of business of the surviving limited partnership which is located at 12001 North Houston Rosslyn,
Houston, Texas 77086. 
 5. A copy of the Agreement and Plan of Merger will be furnished by the surviving limited partnership, on request and without cost,
to any partner of any domestic l ted partnership or any person holding an interest in say other business entity which is to merge. 
 6. Hanover Compression
Limited Partnership hereby merges Hanover Newco 2, LLC into Hanover Compression Limited Partnership, said merger to be effective on December 18, 2001 at 5:12 p.m. Eastern Standard Time. 

[Signature Page Follows] 












 IN WITNESS WHEREOF, this Certificate of Merger has been duly executed as of the 18th day of December, 2001,
and is being filed in accordance with Title 6, Sec. 17-211 by an authorized person of the surviving limited partnership in the merger. 

 

			
	HANOVER COMPRESSION GENERAL, HOLDINGS, LLC
		
	By	 	/s/ Michael J. McGhan
		 	Michael J. McGhan, President



  
 7 













 CERTIFICATE OF MERGER 

OF 
 HANOVER NEWCO 3, LLC

 INTO 
 HANOVER
COMPRESSION LIMITED PARTNERSHIP 
 Pursuant to Title 6, Sec 17-211 of the Delaware Code, the undersigned
surviving limited partnership Submits the following Certificate of Merger for filing and certifies that 
 1. The name and jurisdiction of formation or
organization of the domestic limited partnership and limited liability company which is to merge is; 
  

			
	 Name
	  	 Jurisdiction

	Hanover Newco 3, LLC	  	Delaware
	Hanover Compression Limited Partnership	  	Delaware

 2. An Agreement and Plan of Merger has been approved and executed by the domestic limited partnership and the limited
liability company which are to merge. 
 3. The name of the surviving limited partnership is. Hanover Compression Limited Partnership. 

4. he Agreement and Plan of Merger is on file at a place of business of the surviving limited partnership which is located at 12001 North Houston Rosslyn,
Houston, Testes 77086. 
 5. A copy of the Agreement and Plan of Merger will be furnished by the surviving limited partnership, on request and without cost,
to any partner of arty domestic limited partnership or any person holding an interest in any other business entity which is to merge. 
 6. Hanover
Compression Limited Partnership hereby merges Hanover Newco 3, LLC into Hanover Compression Limited Partnership, said merger to be effective on December 18, 2001 at 5:12 p.m. Eastern Standard Time 

[Signature Page Follows] 












 IN WITNESS WHEREOF, this Certificate of Merger has been duly executed as of the 18th day of December, 2001,
and is being filed in accordance with Title 6, Sec. 17-211 by an authorized person of the surviving limited partnership in the merger. 

 

			
	HANOVER COMPRESSION GENERAL HOLDINGS, LLC
		
	By	 	/s/ Michael J McGhan
		 	Michael J. McGhan, President



  
 9 













 LIMITED LIABILITY COMPANY 

CERTIFICATE OF CORRECTION 

FILED TO CORRECT A CERTAIN ERROR IN THE 

CERTIFICATE OF MERGER OF HANOVER NEWCO 2, LLC 

(a Delaware limited liability company) 

INTO 
 HANOVER COMPRESSION
LIMITED PARTNERSHIP 
 (a Delaware limited partnership) 

FILED IN THE OFFICE OF THE SECRETARY OF STATE 

OF DELAWARE ON DECEMBER 18, 2001 

1. The name of the limited liability company is HANOVER NEWCO 2, LLC. 

2. A Certificate of Merger was filed by the Secretary of State of Delaware on December 18, 2001 that requires correction as permitted by Section 18-211 of the Delaware Limited Liability Company Act 
 3. The inaccuracy or defect of the
Certificate to be corrected is as follows: 
 The effective time is incorrect 

4. The effective time is 5:13pm EST. 
  

			
		
	By:	 	/s/ Richard S. Meller
		 	Name: Richard S. Meller, Authorized Person














 LIMITED LIABILITY COMPANY 

CERTIFICATE OF CORRECTION 

FILED TO CORRECT A CERTAIN ERROR IN THE 

CERTIFICATE OF MERGER OF HANOVER NEWCO 3, LLC 

(a Delaware limited liability company) 

INTO 
 HANOVER COMPRESSION
LIMITED PARTNERSHIP 
 (a Delaware limited partnership) 

FILED IN THE OFFICE OF THE SECRETARY OF STATE 

OF DELAWARE ON DECEMBER 18, 2001 

1. The name of the limited liability company Is HANOVER NEWCO 3, LLC. 

2. A Certificate of Merger was filed by the Secretary of State of Delaware on December 18, 2001 that requires correction as permitted by Section 18-211 of the Delaware Limited Liability Company Act. 
 3. The inaccuracy or defect of the
Certificate to be corrected is as follows: 
 The effective time is incorrect 

4. The effective time is 5:14pm EST. 
  

			
		
	By:	 	/s/ Richard S. Meller
		 	Name: Richard S. Meller, Authorized Person














 CERTIFICATE OF MERGER 

OF 
 HANOVER BLUE 2, LLC

 into 
 HANOVER
COMPRESSION LIMITED PARTNERSHIP 
 Dated: December 19, 2002 

THE UNDERSIGNED DOES HEREBY CERTIFY: 

FIRST: The name and jurisdiction of formation or organization of each of the constituent entities which is to merge are as follows:

  

			
	 Name
	  	 Jurisdiction of Formation or Organization

	Hanover Blue 2, LLC	  	Delaware Limited Liability Company
		
	Hanover Compression Limited Partnership	  	Delaware Limited Partnership

 SECOND: An Agreement and Plan of Merger has been approved, adopted, certified, executed and
acknowledged by Hanover Blue 2, LLC and Hanover Compression Limited Partnership in accordance with Section 17-211 of the Delaware Revised Uniform Limited Partnership Act. 

THIRD: The name of the surviving Delaware limited partnership is Hanover Compression Limited Partnership. 

FOURTH: The merger of Hanover Blue 2, LLC with and into Hanover Compression Limited Partnership shall be effective at 5:04 p.m. central
standard time on December 27, 2002. 
 FIFTH: The executed Agreement and Plan of Merger is on file at the principal place of
business of the surviving limited partnership. The address of the principal office of the surviving limited partnership is Corporation Trust 1209 Orange Street, Wilmington, Delaware 19801. 












 SIXTH: A copy of the Agreement and Plan of Merger will be furnished by the surviving
limited partnership, on request and without cost, to any member of Hanover Blue 2, LLC or any partner of Hanover Compression Limited Partnership. 
  

			
	HANOVER COMPRESSION LIMITED PARTNERSHIP,
	a Delaware limited partnership
	
	
	by HANOVER COMPRESSION GENERAL HOLDINGS, LLC,
	a Delaware limited liability company, its general partner
		
	By:	 	/s/ Charles R. Scott
		 	Charles R. Scott
		 	Authorized Pawn



  
 13 













 CERTIFICATE OF MERGER 

OF 
 HANOVER BLUE 3, LLC

 into 
 HANOVER
COMPRESSION LIMITED PARTNERSHIP 
 Dated: December 19, 2002 

THE UNDERSIGNED DOES HEREBY CERTIFY: 

FIRST: The name and jurisdiction of formation or organization of each of the constituent entities which is to merge are as follows: 

 

			
	 Name
	  	 Jurisdiction of Formation or Organization

	Hanover Blue 3, LLC	  	Delaware Limited Liability Company
		
	Hanover Compression Limited Partnership	  	Delaware Limited Partnership

 SECOND: An Agreement and Plan of Merger has been approved, adopted, certified, executed and
acknowledged by Hanover Blue 3, LLC and Hanover Compression Limited Partnership in accordance with Section 17-211 of the Delaware Revised Uniform Limited Partnership Act. 

THIRD: The name of the surviving Delaware limited partnership is Hanover Compression Limited Partnership. 

FOURTH: The merger of Hanover Blue 3, LLC with and into Hanover Compression Limited Partnership shall be effective at 5:04 p.m. central
standard time on December 27, 2002. 
 FIFTH: The executed Agreement and Plan of Merger is on file at the principal place of
business of the surviving limited partnership. The address of the principal office of the surviving limited partnership is Corporation Trust Center, 1209 Orange Street, Wilmington, Delaware 19801. 












 SIXTH: A copy of the Agreement and Plan of Merger will be furnished by the surviving
limited partnership, on request and without cost, to any member of Hanover Blue 3, LLC or any partner of Hanover Compression limited Partnership. 
  

	
	 HANOVER COMPRESSION LIMITED PARTNERSHIP,
 a
Delaware limited partnership

	
	
	by HANOVER COMPRESSION GENERAL HOLDINGS, LLC, its general partner


 
			
		
	By:	 	/s/ Charles R. Scott
		 	Charles R. Scott
		 	Authorized Person



  
 15 













 CERTIFICATE OF MERGER 

OF 
 HANOVER GREEN 2, LLC

 into 
 HANOVER
COMPRESSION LIMITED PARTNERSHIP 
 Dated: December 27, 2002 

THE UNDERSIGNED DOES HEREBY CERTIFY: 

FIRST: The name and jurisdiction of formation or organization of each of the constituent entities which is to merge are as follows:

  

			
	 Name
	  	 Jurisdiction of Formation or Organization

	Hanover Green 2, LLC	  	Delaware Limited Liability Company
		
	Hanover Compression Limited Partnership	  	Delaware Limited Partnership

 SECOND: An Agreement and Plan of Merger has been approved, adopted, certified, executed and
acknowledged by Hanover Green 2, LLC and Hanover Compression Limited Partnership in accordance with Section 17-211 of the Delaware Revised Uniform Limited Partnership Act and Section 18-209 of the Delaware Limited Liability Company Act. 
 THIRD: The name of the
surviving Delaware limited partnership is Hanover Compression Limited Partnership. 
 FOURTH: The merger of Hanover Green 2, LLC with
and into Hanover Compression Limited Partnership shall be effective at 6:04 p.m. eastern standard time on December 30, 2002. 

FIFTH: The executed Agreement and Plan of Merger is on file at the principal place of business of the surviving limited partnership.
The address of the principal office of the surviving limited partnership is 300 Delaware Ave., 9th Floor-DE 5403, Wilmington, County of New Castle, Delaware 19801. 












 SIXTH: A copy of the Agreement and Plan of Merger will be furnished by the surviving
limited partnership, on request and without cost, to any member of Hanover Green 2, LLC or any partner of Hanover Compression Limited Partnership. 
  

	
	 HANOVER COMPRESSION LIMITED PARTNERSHIP,
 a
Delaware limited partnership

	
	  

	 by HANOVER COMPRESSION GENERAL HOLDINGS, LLC,

a Delaware limited liability company, its general partner



 
			
		
	By:	 	/s/ Charles R. Scott
		 	Charles R. Scott
		 	Authorized Person



  
 17 













 CERTIFICATE OF MERGER 

OF 
 HANOVER GREEN 3, LLC

 into 
 HANOVER
COMPRESSION LIMITED PARTNERSHIP 
 Dated: December 27, 2002 

THE UNDERSIGNED DOES HEREBY CERTIFY: 

FIRST: The name and jurisdiction of formation or organization of each of the constituent entities which is to merge are as follows:

  

			
	 Name
	  	 Jurisdiction of Formation or Organization

	 Hanover Green 3, LLC
	  	 Delaware Limited Liability Company

		
	 Hanover Compression Limited Partnership
	  	 Delaware Limited Partnership


 SECOND: An Agreement and Plan of Merger has been approved, adopted, certified, executed and
acknowledged by Hanover Green 3, LLC and Hanover Compression Limited Partnership in accordance with Section 17-211 of the Delaware Revised Uniform Limited Partnership Act and Section 18-209 of the Delaware Limited Liability Company Act. 
 THIRD: The name of the
surviving Delaware limited partnership is Hanover Compression Limited Partnership. 
 FOURTH: The merger of Hanover Green 3, LLC with
and into Hanover Compression Limited Partnership shall be effective at 6:04 p.m. eastern standard time on December 30, 2002. 

FIFTH: The executed Agreement and Plan of Merger is on file at the principal place of business of the surviving limited partnership.
The address of the principal office of the surviving limited partnership is 300 Delaware Ave., 9th Floor-DE 5403, Wilmington, County of New Castle, Delaware 19801. 












 SIXTH: A copy of the Agreement and Plan of Merger will be furnished by the surviving
limited partnership, on request and without cost, to any member of Hanover Green 3, LLC or any partner of Hanover Compression Limited Partnership. 
  

	
	 HANOVER COMPRESSION LIMITED PARTNERSHIP,
 a
Delaware limited partnership

	
	by HANOVER COMPRESSION GENERAL HOLDINGS, LLC, its general partner


 
			
		
	By:	 	/s/ Charles R. Scott
		 	Charles R. Scott
		 	Authorized Person



  
 19 













 CERTIFICATE OF AMENDMENT 

TO 
 CERTIFICATE OF
LIMITED PARTNERSHIP 
 OF 

HANOVER COMPRESSION LIMITED PARTNERSHIP 

It is hereby certified that 

FIRST: The name of the limited partnership (hereinafter called the “partnership”) is: 

HANOVER COMPRESSION LIMITED PARTNERSHIP 

SECOND: Pursuant to the provisions of Section 17-202, Title 6, Delaware Code, the
amendment to the Certificate of Limited partnership effected by this Certificate of Amendment is to change the address of the registered office of the partnership in the State of Delaware to 2711 Centerville Road, Suite 400, Wilmington, Delaware
19808, and to change the name of the registered agent of the partnership in the State of Delaware at the said address to Corporation Service Company. 

The undersigned, a general partner of the partnership, executes this Certificate of Amendment on November 8, 2004. 

 

	
	
	/s/ Gary M. Wilson
	Name: Gary M. Wilson
	Capacity: Authorized Person on behalf of: Hanover Compression General Holdings, LLC General Partner














 CERTIFICATE OF AMENDMENT 

of 
 CERTIFICATE OF LOOTED
PARTNERSHIP 
 of 

HANOVER COMPRESSION LIMITED PARTNERSHIP 

a Delaware limited partnership 

(to be renamed EXTERRAN ENERGY SOLUTIONS, L.P.) 

The undersigned, an authorized person of Hanover Compression Limited Partnership (the “Partnership”), a limited partnership
organized and existing under and by virtue of the Delaware Revised Uniform Limited Partnership Act, hereby certifies that: 
 1. The name of
the Company is Hanover Compression Limited Partnership. 
 2. The amendment to the Certificate of Limited Partnership effected by this
Certificate of Amendment changes the name of the Company to Exterran Energy Solutions, L.P. 
 3. The Certificate of Limited Partnership is
hereby amended by deleting the first article thereof and replacing in lieu thereof a new first article reading in its entirety as follows: 

“FIRST: The name of the limited partnership is Warm Energy Solutions, LP.” 

IN WITNESS WHEREOF, the Company has caused this Certificate to be executed effective on the 20th day of August 2007. 

 

			
	HANOVER COMPRESSION LIMITED PARTNERSHIP
		
		 	HANOVER COMPRESSION GENERAL
		 	HOLDINGS, LLC, as General Partner
		
		 	/s/ Gary M. Wilson
		 	By: Gary M. Wilson
		 	Title: Manager
		
		 	/s/ Brian A. Matusek
		 	By: Brian A. Matusek
		 	Title: Manager














 STATE OF DELAWARE 

AMENDMENT TO THE CERTIFICATE OF 

LIMITED PARTNERSHIP 
 The undersigned,
desiring to amend the Certificate of Limited Partnership pursuant to the provisions of Section 17-202 of the Revised Uniform Limited Partnership Act of the State of Delaware, does hereby certify as
follows: 
 FIRST: The name of the Limited Partnership is Exterran Energy Solutions, L.P. 

SECOND: Article 2 of the Certificate of Limited Partnership shall be amended as follows: The address of its registered office in the State of Delaware is
Corporation Trust Center, 1209 Orange Street, in the City of Wilmington, County of New Castle. The name of its registered agent at such address is The Corporation Trust Company. 

IN WITNESS WHEREOF, the undersigned executed this Amendment to the Certificate of Limited Partnership on this
19th day of December, A.D. 2007. 
  

			
	By: Hanover Compression General Holdings. LLC, Its General Partner
		
	By:	 	/s/ Clint Chung
		 	General Partner(s)
		
	Name:	 	Clint Chung, Authorized Person
		 	Print or Type














 CERTIFICATE OF AMENDMENT 

of 
 CERTIFICATE OF
LIMITED PARTNERSHIP 
 of 

EXTERRAN ENERGY SOLUTIONS, L.P. 

a Delaware limited partnership 

The undersigned, an authorized person of Exterran Energy Solutions, LP. (the “Partnership”), a limited partnership organized and
existing under and by virtue of the Delaware Revised Uniform Limited Partnership Act, hereby certifies that: 
  

	 	1.	The name of the partnership is Exterran Energy Solutions, L.P. 

  

	 	2.	The amendment to the Certificate of Limited Partnership effected by this Certificate of Amendment changes the general partner of the Partnership by admitting EES GP, L.P. as the sole general partner of the Partnership
and withdrawing Hanover Compression General Holdings, LLC as the sole general partner of the Partnership. 

  

	 	3.	The Certificate of Limited Partnership is hereby amended by deleting the third article thereof and replacing in lieu thereof a new third article reading hi its entirety as follows: 


“Third: The name and mailing address of the sole general partner of the Partnership is: 

EES GP, L.P. 

16666 Northchase Drive 

Houston, Texas 77060” 

IN WITNESS WHEREOF, the Partnership has caused this Certificate to be executed effective on the 30th day of May 2008. 

 

			
	EXTERRAN ENERGY SOLUTIONS, L.P.
		
	By:	 	 EES GP, LP.,
 its general partner

		
	By:	 	 Hanover Compressor Company,
 its general
partner

		
	By:	 	/s/ Stephen A. Snider
		 	Stephen A. Snider
		 	President and Chief Executive Officer














 CERTIFICATE OF MERGER 

OF 
 Exterran, Inc.

 a Texas corporation 

WITH AND INTO 
 Exterran
Energy Solutions, L.P. 
 a Delaware limited partnership 

This Certificate of Merger (the “Certificate”) is being executed and filed pursuant to
Section 17-211 of the Delaware Revised Uniform Limited Partnership Act (“DRULPA”). Exterran Energy Solutions, L.P. (“EESLP”), a Delaware Limited Partnership, hereby certifies that:

 FIRST: The name and jurisdiction of formation of each of the domestic limited partnerships and other business entities that is to
merge (the “Constituent Entities”) is as follows: 
  

					
	 Name
	  	 State of Formation
	  	 Type of Business Entity

	Exterran, Inc.	  	Texas	  	Corporation
			
	Exterran Energy Solutions, L.P.	  	Delaware	  	Limited Partnership

 SECOND: An Agreement and Plan of Merger, dated May 30, 2008 (the “Merger Agreement”), by
and between EESLP and Exterran, Inc. (“EI”), providing for the merger (the “Merger”) of EI with and into EESLP, with a EESLP as the surviving entity, has been approved and executed by each of the Constituent Entities in
accordance with the provisions of Section 17¬211 of the DRULPA and Article 5.01 of the Texas Business Corporation Act, as applicable, and the respective constituent documents of the Constituent Entities. 

THIRD: The name of the surviving entity will be “Exterran Energy Solutions, L.P.” and it will continue in existence under the
laws of Delaware. 
 FOURTH: No amendments to the certificate of limited partnership of EESLP will be effected by the Merger. 

FIFTH: The Merger shall become effective as of May 31, 2008 at 9:00 a.m. Eastern Time. 

SIXTH: The executed Merger Agreement is on file at the offices of EESLP at the following address: Exterran Energy Solutions, L.P.,
12001 North Houston Rosslyn, Houston, Texas 77086. 












 SEVENTH: A copy of the Merger Agreement will be furnished by EESLP, on request and
without cost, to any interest holder or partner of any Constituent Entity. 
 [Signature page follows] 

  
 25 













 IN WITNESS WHEREOF, the undersigned has caused this Certificate of Merger to be executed as
of May 31, 2008. 
  

	
	 Exterran Energy Solutions, L.P.,
 a Delaware
limited partnership

	
	By: EES GP, L.P., as general partner
	
	By: Hanover Compressor Company, as general partner


 
			
		
	By:	 	/s/ Stephen A. Snider
		 	Stephen A. Snider
		 	President and Chief Executive Officer



  
 26 













 CERTIFICATE OF MERGER 

OF 
 COMPRESSOR SYSTEMS
INTERNATIONAL, INC. 
 a Delaware corporation 

WITH AND INTO 
 EXTERRAN
ENERGY SOLUTIONS, L.P. 
 a Delaware limited partnership 

Pursuant to Title 8, Section 263(c) of the Delaware General Corporation Law and Title 6,
Section 17-211 of the Limited Partnership Act, the undersigned limited partnership hereby certifies that: 

FIRST: The name and jurisdiction of formation of each of the business entities which is to merge (the “Constituent Entities”)
is as follows: 
  

					
	 Name
	  	 State of Formation
	  	 Type of Business Entity

	Compressor Systems International, Inc.	  	Delaware	  	Corporation
			
	Exterran Energy Solutions, L.P.	  	Delaware	  	Limited Partnership

 SECOND: An Agreement and Plan of Liquidation and Merger, dated December 17, 2008 (the “Merger
Agreement”), by and between Compressor Systems International, Inc. (“CSII”), providing for the complete liquidation of CSII’s assets and the merger (the “Merger”) of CSII with and into Exterran Energy Solutions, L.P.
(“EESLP”), with EESLP as the surviving entity, has been approved, adopted, executed and acknowledged by each of the Constituent Entities in accordance with the provisions of Title 8, Section 263, and their respective constituent
documents. 
 THIRD: The name of the surviving limited partnership will be “Exterran Energy Solutions, L.P.” and it will
continue in existence under the laws of Delaware. 
 FOURTH: No amendments to the certificate of limited partnership of EESLP will be
effected by the Merger. 
 FIFTH: The Merger shall become effective on December 31, 2008 at 11:59 p.m. Eastern Time. 

SIXTH: The executed Merger Agreement is on file at the offices of EESLP at the following address: Exterran Energy Solutions, L.P.,
16666 Northchase Drive, Houston, Texas 77060. 












 SEVENTH: A copy of the Merger Agreement will be furnished by EESLP, on request and
without cost, to any interest holder or member of any Constituent Entity. 
 IN WITNESS WHEREOF, the undersigned has caused this Certificate
of Merger to be executed as of December 17, 2008. 
  

			
	 EXTERRAN ENERGY SOLUTIONS, L.P.,

a Delaware limited partnership

		
	By:	 	 EES GP, L.P.,
 its general partner

		
	By:	 	 Exterran Energy Corp.,
 its general
Partner

		
	By:	 	/s/ Donald C. Wayne
		 	Donald C. Wayne
		 	Senior Vice President



  
 28 













 CERTIFICATE OF MERGER 

merging 
 EXTERRAN ABS
2007 LLC 
 (a Delaware limited liability company) 

with and into 
 EXTERRAN
ENERGY SOLUTIONS, L.P. 
 (a Delaware limited partnership) 

Pursuant to Section 18-209(c) of the Delaware Limited Liability Company Act and Section 17-211 of the Delaware Limited Partnership Act, Exterran Energy Solutions, L.P., a Delaware limited partnership, DOES HEREBY CERTIFY as follows: 

FIRST: The name and jurisdiction of formation of each of the constituent entities to the merger are: (i) Exterran Energy
Solutions, LP., a Delaware limited partnership; and (ii) Exterran ABS 2007 LLC, a Delaware limited liability company. 
 SECOND:
An Agreement and Plan of Merger has been approved and executed by each of the domestic limited liability companies which is to merge, in accordance with Section 18-209(b) of the Delaware Limited Liability
Company Act and Section 17-211 of the Delaware Limited Partnership Act. 
 THIRD: The
surviving domestic limited liability company is Exterran Energy Solutions, L.P., a Delaware limited partnership (the “Surviving LP”). 

FOURTH: The Merger will become effective at 11:59 PM on March 31, 2011. 

FIFTH: The executed Agreement and Plan of Merger is on file at a place of business of the Surviving LP, the address of which is 16666
Northchase Drive, Houston, Texas, 77060. 
 SIXTH: That a copy of the Agreement and Plan of Merger will be furnished by the Surviving
LP, on request and without cost, to any member of any domestic limited liability company or any person holding an interest in any other business entity which is to merge. 

[signature page follows] 












 IN WITNESS WHEREOF, the undersigned Surviving LP has caused this Certificate of Merger to be
executed as of March 10, 2011. 
  

			
	EES GP, L.P., general partner of Exterran Energy, Solutions, L.P.
		
	By:	 	Exterran Energy Corp., its general partner
		
	By:	 	/s/ Donald C. Wayne
	Name:	 	Donald C. Wayne
	Title:	 	Senior Vice President, General Counsel and Secretary



  
 30 













 CERTIFICATE OF AMENDMENT 

OF 
 CERTIFICATE OF
LIMITED PARTNERSHIP 
 OF 

EXTERRAN ENERGY SOLUTIONS, L.P. 

a Delaware limited partnership 

The undersigned, being the General Partner of Exterran Energy Solutions, LP., a limited partnership organized and existing under the laws of
the Delaware Revised Uniform limited Partnership Act (the “Partnership”), hereby certifies that: 
  

	 	1.	The name of the Partnership Is Exterran Energy Solutions, L.P. 

  

	 	2.	The amendment to the Certificate of Limited Partnership effected by this Certificate of Amendment changes the general partner of the Partnership admitting Exterran General Holdings LLC, as the sole general partner of
the Partnership and withdrawing EES GP, LP. as the sole general partner of the Partnership. 

  

	 	3.	The Certificate of Limited Partnership is hereby amended by deleting the third article thereof and replacing in lieu thereof a new third article reading In its entirety as follows: 


“Third: The name and mailing address of the sole general partner of the Partnership is: 

Exterran General Holdings LLC 

16666 Northchase Drive 

Houston, Texas 77060 
  

	 	4.	This Amendment to the Certificate of Limited Partnership shall be effective as of 10:01 am Eastern Standard Time (EST) on June 27, 2012. 


IN WITNESS WHEREOF, the Partnership has caused this Certificate to be executed on this 27 day of June 2012. 

 

			
	EXTERRAN ENERGY SOLUTIONS, L.P.
		
	By:	 	Exterran General Holdings LLC Its General Partner
		
	By:	 	/s/ William M. Austin
	Name:	 	William M. Austin
	Title:	 	Executive Vice President and Chief Financial Officer














 CERTIFICATE OF MERGER 

OF 
 HANOVER ECUADOR
L.L.C. 
 a Delaware limited liability company 

WITH AND INTO 
 EXTERRAN
ENERGY SOLUTIONS, L.P. 
 a Delaware limited partnership 

Pursuant to the provisions of Delaware General Corporation Law, the Limited Liability Company Act and the Limited Partnership Act (the
“DGCL”), the undersigned limited partnership hereby certifies that: 
 FIRST: The name and jurisdiction of formation of
each of the business entities which is to merge (the “Constituent Entities”) is as follows: 
  

					
	 Name
	  	 State of Formation
	  	 Type of Business Entity

	Hanover Ecuador L.L.C.	  	Delaware	  	Limited Liability Company
			
	Exterran Energy Solutions, L.P.	  	Delaware	  	Limited Partnership

 SECOND: An Agreement and Plan of Liquidation and Merger, dated December 2, 2013 (the “Merger
Agreement”), by and between Hanover Ecuador L.L.C. (“HE LLC”), providing for the complete liquidation of HE LLC’s assets and the merger (the “Merger”) of HE LLC with and into Exterran Energy Solutions, L.P.
(“EESLP”), with EESLP as the surviving entity, has been approved and executed by each of the Constituent Entities in accordance with the provisions of the DGCL, and their respective constituent documents. 

THIRD: The name of the surviving limited partnership will be “Exterran Energy Solutions, L.P.” and it will continue in
existence under the laws of Delaware. 
 FOURTH: No amendments to the certificate of limited partnership of EESLP will be effected by
the Merger. 
 FIFTH: The Merger shall become effective on December 6, 2013. 

SIXTH: The executed Merger Agreement is on file at the offices of EESLP at the following address: Exterran Energy Solutions, L.P.,
16666 Northchase Drive, Houston, Texas 77060. 
 SEVENTH: A copy of the Merger Agreement will be furnished by EESLP, on request and
without cost, to any interest holder or member of any Constituent Entity. 












 IN WITNESS WHEREOF, the undersigned has caused this Certificate of Merger to be executed as
of December 2, 2013. 
  

			
	 EXTERRAN ENERGY SOLUTIONS, L.P.

a Delaware limited partnership

		
	By:	 	 Exterran General Holdings LLC,
 its general
partner

		
	By:	 	/s/ Greek Rice
		 	Greek Rice
		 	Vice President, Tax



  
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