EX-4.3




 Exhibit 4.3 

NINTH SUPPLEMENTAL INDENTURE 

This NINTH SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of August 4, 2020, is among FORUM ENERGY
TECHNOLOGIES, INC., a Delaware corporation (the “Issuer”), the guarantors party hereto (the “Guarantors”) and Wells Fargo Bank, National Association, as trustee (the “Trustee”). 

W I T N E S S E T H: 
 WHEREAS,
the Issuer and the Guarantors have heretofore executed and delivered to the Trustee an Indenture (as amended or supplemented from time to time prior to the date hereof, the “Indenture”), dated as of October 2, 2013, providing
for the issuance of 6.250% Senior Notes due 2021 (the “Notes”); 
 WHEREAS, the Issuer has offered to exchange any and all
of the outstanding Notes upon the terms and subject to the conditions set forth in the final Prospectus, dated as of July 30, 2020, and filed with the Securities and Exchange Commission on July 30, 2020 (the “Prospectus”).

 WHEREAS, pursuant to Section 9.2 of the Indenture, subject to certain exceptions, the Issuer, the Guarantors and the Trustee may
amend or supplement the Indenture, the Notes and the related Guarantees with the consent of the holders of a majority in principal amount of the Notes then outstanding (including, without limitation, consents obtained in connection with a purchase
of, or tender offer or exchange offer for, the Notes); 
 WHEREAS, (i) the Issuer and the Guarantors have received the consent of the
holders of a majority in principal amount of the outstanding Notes (excluding Notes owned by the Issuer or any Affiliate of the Issuer) to the amendments to the Indenture set forth in Articles 1 and 2 of this Supplemental Indenture, as certified by
an Officers’ Certificate delivered to the Trustee simultaneously with the execution and delivery of this Supplemental Indenture, (ii) the Issuer and the Guarantors have delivered to the Trustee simultaneously with the execution and
delivery of this Supplemental Indenture an Opinion of Counsel as contemplated by Section 9.6 and Section 11.4 of the Indenture and (iii) the Issuer and the Guarantors have satisfied all other conditions required under Article IX
of the Indenture to enable the Issuer, the Guarantors and the Trustee to enter into this Supplemental Indenture; and 
 WHEREAS, pursuant to
Sections 9.2 and 9.6 of the Indenture, the Trustee is authorized to execute and deliver this Supplemental Indenture, and the Issuer and the Guarantors have requested that the Trustee execute and deliver this Supplemental Indenture. 

NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged,
the Issuer, the Guarantors and the Trustee mutually covenant and agree for the equal and ratable benefit of all holders of the Notes, as follows: 

ARTICLE 1 
 AMENDMENTS
TO ARTICLE I, DEFINITIONS AND INCORPORATION BY REFERENCE 
 SECTION 1.01. For purposes of this Supplemental Indenture, the terms
defined in the recitals shall have the meanings therein specified; any capitalized terms used and not defined herein shall have the same respective meanings as assigned to them in the Indenture; and references to Articles or Sections shall, unless
the context indicates otherwise, be references to Articles or Sections of the Indenture. 











 SECTION 1.02. Any definitions used exclusively in the provisions of the Indenture or
the Notes that are deleted pursuant to the amendments to the Indenture as set forth in this Supplemental Indenture, and any definitions used exclusively within such definitions, are hereby deleted in their entirety from the Indenture and the Notes,
and all textual references in the Indenture and the Notes exclusively relating to paragraphs, Sections, Articles or other terms or provisions of the Indenture that have been otherwise deleted pursuant to this Supplemental Indenture are hereby
deleted in their entirety. The words “herein,” “hereof” and “hereby” and other words of similar import used in this Supplemental Indenture refer to this Supplemental Indenture as a whole and not to any particular
section hereof. 
 SECTION 1.03. Notwithstanding an earlier effectiveness date, the provisions of this Supplemental Indenture shall not
become operative until the time and date upon which the Issuer pays the Consent Payment (as defined in the Prospectus) (the “Ninth Supplemental Indenture Date”) to all holders of the Notes who have validly delivered and not validly
revoked consents pursuant to the terms of the Prospectus at or prior to the Consent Time (as defined in the Prospectus). The Issuer will provide written notice (which may be by e-mail) to the Trustee upon the
occurrence of the Ninth Supplemental Indenture Date. 
 ARTICLE 2 

AMENDMENTS TO THE INDENTURE AND THE NOTES 

SECTION 2.01. The Indenture and the Notes are hereby amended by deleting each of the following sections of the Indenture and all
references thereto in the Indenture in their entirety: 
 (a) Section 4.3 (Provision of Financial Information); 

(b) Section 4.6 (Stay, Extension and Usury Laws); 

(c) Section 4.7 (Limitation on Restricted Payments); 

(d) Section 4.8 (Limitation on Dividend and Other Restrictions Affecting Restricted Subsidiaries); 

(e) Section 4.9 (Limitation on Additional Indebtedness); 

(f) Section 4.10 (Limitation on Asset Sales); 

(g) Section 4.11 (Limitation on Transactions with Affiliates); 

(h) Section 4.12 (Limitation on Liens); 

(i) Section 4.13 (Offer to Purchase upon Change of Control); 

(j) Section 4.15 (Additional Guarantees); 

(k) Section 4.16 (Limitation on Designation of Unrestricted Subsidiaries); 

(l) Clauses (a)(2) through (a)(4) (including the paragraph thereafter) and Clauses (b)(1)(B), (b)(1)(C) and (b)(2) of
Section 5.1 (Consolidation, Merger, Conveyance, Transfer or Lease); and 
 (m) Clauses (3) through (8) of
Section 6.1 (Events of Default). 

  
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 SECTION 2.02. Any and all additional provisions of the Indenture and the Notes are
hereby deemed to be amended to reflect the intentions of the amendments to the Indenture set forth in this Supplemental Indenture. 

ARTICLE 3 

EFFECTIVENESS 

SECTION 3.01. Except as amended hereby, all of the terms of the Indenture shall remain and continue in full force and effect and are
hereby confirmed in all respects. From and after the Ninth Supplemental Indenture Date, all references to the Indenture (whether in the Indenture or in any other agreements, documents or instruments) shall be deemed to be references to the Indenture
as amended and supplemented by this Supplemental Indenture and every holder of Notes heretofore or hereafter authenticated and delivered shall be bound hereby. 

ARTICLE 4 

MISCELLANEOUS 

SECTION 4.01. The amendments to the Indenture set forth in this Supplemental Indenture shall also apply to the Notes, including, without
limitation, provisions of the Notes amended as set forth in the amendments to the Exhibits or Appendices to the Indenture. 

SECTION 4.02. The terms and conditions of this Supplemental Indenture shall be deemed to be incorporated in and made a part of the terms
and conditions of the Indenture for any and all purposes, and all the terms and conditions of both shall be read, taken and construed together as though they constitute one and the same instrument, except that in the case of conflict, the provisions
of this Supplemental Indenture will control. 
 SECTION 4.03. All covenants and agreements in this Supplemental Indenture by the
Issuer, the Guarantors or the Trustee shall bind their respective successors and assigns, whether so expressed or not. 
 SECTION 4.04.
In case any provision in this Supplemental Indenture shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 

SECTION 4.05. Nothing in this Supplemental Indenture, express or implied, shall give to any Person, other than the parties hereto and
their successors under the Indenture and the holders of the Notes, any benefit or any legal or equitable right, remedy or claim under the Indenture. 

SECTION 4.06. The parties may sign any number of copies of this Supplemental Indenture. Each signed copy shall be an original, but all of
them together shall represent the same agreement. One signed copy is enough to prove this Supplemental Indenture. 
 SECTION 4.07. THIS
SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK. 
 SECTION 4.08. The
Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Supplemental Indenture or for or in respect of the recitals contained herein, all of which are made solely by the Issuer. 

  
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 SECTION 4.09. The Section headings herein are for convenience only and shall not affect
the construction thereof. 
 SECTION 4.10. The Issuer hereby confirms to the Trustee that this Supplemental Indenture has not resulted
in a material modification of the Notes for Foreign Accounting Tax Compliance Act (“FATCA”) purposes. The Issuer shall give the Trustee prompt written notice of any material modification of the Notes deemed to occur for FATCA purposes. The
Trustee shall assume that no material modification for FATCA purposes has occurred regarding the Notes, unless the Trustee receives written notice of such modification from the Issuer. 

[Remainder of page intentionally left blank.] 

  
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 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly
executed as of the date first written above. 
  

			
	Issuer:
	
	FORUM ENERGY TECHNOLOGIES, INC.
		
	By:	 	 /s/ D. Lyle Williams

		 	Name: D. Lyle Williams
		 	 Title: Executive Vice President and Chief

          Financial Officer

	
	Subsidiary Guarantors:
	
	FET HOLDINGS, LLC
	FORUM ENERGY SERVICES, INC.
	FORUM GLOBAL HOLDINGS, LLC
	FORUM GLOBAL TUBING LLC
	FORUM US, INC.
	FORUM INTERNATIONAL HOLDINGS, INC.
	FORUM GLOBAL TUBING LP
	HOUSTON GLOBAL HEAT TRANSFER LLC
	GLOBAL TUBING, LLC
		
	By:	 	 /s/ John C. Ivascu

		 	Name: John C. Ivascu
		 	Title: Authorized Signatory
	
	GLOBAL FLOWS TECHNOLOGIES, INC.
	Z EXPLORATIONS, INC.
	Z RESOURCES, INC.
	ZY-TECH GLOBAL INDUSTRIES, INC.
		
	By:	 	 /s/ Steven Pounds

		 	Name: Steve Pounds
		 	Title: President



  
 [Signature Page to Ninth
Supplemental Indenture] 













			
	WELLS FARGO BANK, NATIONAL ASSOCIATION
	as Trustee
		
	By:	 	 /s/ Patrick Giordano

		 	Name: Patrick Giordano
		 	Title: Vice President


  
 [Signature Page to Ninth
Supplemental Indenture]