Document:

Third Supplemental Indenture dated as of September 29, 2010

 Exhibit 4.3 

Execution Version 

THIRD SUPPLEMENTAL INDENTURE, dated as of September 29, 2010 (this “Third Supplemental Indenture”), by and among
INTELSAT CORPORATION, a Delaware corporation (the “Company”), the Guarantors (as defined in the Indenture referred to below) and WELLS FARGO BANK, NATIONAL ASSOCIATION, a national banking association, as trustee under the Indenture
referred to below (the “Trustee”). 
 W I T N E S S E T H: 

WHEREAS, the Company, the Guarantors and the Trustee are parties to an Indenture, dated as of July 18, 2008 (as
supplemented by the Supplemental Indenture, dated as of July 20, 2009, between the Company and the Trustee, and the Supplemental Indenture, dated as of December 14, 2009, among the Company, Intelsat Satellite IS 14, Inc. and the Trustee,
the “Indenture”), pursuant to which the Company issued $658,119,000 aggregate principal amount of its
9 1/4% Senior Notes Due 2014 (the
“Notes”); 
 WHEREAS, the Board of Directors of the Company has authorized the proposed amendments to
the Indenture contemplated by this Third Supplemental Indenture (the “Proposed Amendments”); 
 WHEREAS,
Section 902 of the Indenture provides, inter alia, that in certain circumstances the Company, the Guarantors and the Trustee may amend or supplement the Indenture and the Notes with the consent of the Holders of not less than a majority in
aggregate principal amount of the Outstanding Notes; 
 WHEREAS, the Company has distributed an Offer to Purchase and Consent
Solicitation Statement, dated September 16, 2010 (the “Statement”), and accompanying Consent and Letter of Transmittal to the Holders of the Notes in connection with the Proposed Amendments as described in the Statement;

 WHEREAS, the Holders of not less than a majority in aggregate principal amount of the Notes outstanding have approved the
Proposed Amendments to the provisions of the Indenture and the Notes; 
 WHEREAS, the execution and delivery of this instrument
has been duly authorized and all conditions and requirements necessary to make this instrument a valid and binding agreement have been duly performed and complied with; 

WHEREAS the Indenture provides that in connection with this Third Supplemental Indenture, the Company shall have delivered to the Trustee
an Officers’ Certificate and an Opinion of Counsel, and such Officers’ Certificate and Opinion of Counsel have been delivered to the Trustee on the date hereof; and 

WHEREAS pursuant to Sections 902 and 903 of the Indenture, the Company, the Guarantors and the Trustee are authorized to execute and
deliver this Third Supplemental Indenture; 
  

 1 

 NOW, THEREFORE, in consideration of the foregoing and for other good and valuable
consideration, the receipt of which is hereby acknowledged, the Company, 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 ONE—DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION 

Section 1.01. Section 102 of the Indenture is hereby amended by deleting the following definitions: “Acceptable
Exclusions,” “Acquired Indebtedness,” “Acquisition,” “Acquisition Documents,” “Acquisition Notes,” “Adjusted EBITDA,” “Affiliate Transaction,” “Asset Sale,” “Asset Sale
Offer,” “Backstop Credit Facility,” “Capitalized Lease Obligation,” “Cash Equivalents,” “Change of Control,” “Change of Control Offer,” “Change of Control Payment,” “Change of
Control Payment Date,” “consolidated,” “Consolidated,” “Consolidated Depreciation and Amortization Expense,” “Consolidated Income Tax Expense,” “Consolidated Interest Expense,”
“Consolidated Net Income,” “Consolidated Secured Debt Ratio,” “Consolidated Total Indebtedness,” “Contingent Obligations,” “Covenant Defeasance,” “Credit Facilities,” “Cumulative
Credit,” “Cumulative Interest Expense,” “Debt to Adjusted EBITDA Ratio,” “Designated Non-cash Consideration,” “Designated Preferred Stock,” “Employee Transfer Agreement,” “EMU,”
“Equity Offering,” “euro,” “Event of Loss,” “Event of Loss Proceeds,” “Excess Proceeds,” “Excluded Contribution,” “Excluded Satellite,” “Existing Intelsat Notes,”
“Existing PanAmSat Notes,” “Existing Parent Indebtedness,” “G2 Transfer Agreement,” “Hedging Obligations,” “Historical Adjustments,” “incur,” “incurrence,”
“Indebtedness,” “Independent Financial Advisor,” “In-Orbit Insurance,” “In-orbit Spare Satellite,” “Intelsat Acquisition,” “Intelsat Bermuda Intercompany Loan,” “Intelsat Bermuda
Transfer,” “Intelsat Corp 2016 Notes,” “Intelsat Corp Refinancing,” “Intelsat Holdco,” “Intelsat Jackson,” “Intelsat Jackson Notes,” “Intelsat Jackson Unsecured Credit Agreement,”
“Intelsat Sub Holdco,” “Intelsat, Ltd.,” “Intermediate Holdco,” “Investment Grade Rating,” “Investment Grade Securities,” “Investments,” “Liens,” “Management Group,”
“Master Intercompany Services Agreement,” “Moody’s,” “Net Income,” “Net Proceeds,” “Net Transponder Capacity,” “New Intelsat Jackson Unsecured Credit Agreement,”
“Obligations,” “Offer to Purchase,” “Outstanding Intelsat Corp 2014 Notes,” “Outstanding Intelsat Corp 2016 Notes,” “Outstanding Intelsat Jackson Notes,” “Pari Passu Indebtedness,”
“Permitted Asset Swap,” “Permitted Holders,” “Permitted Investments,” “Permitted Liens,” “Prior Transaction Agreements,” “Qualified Proceeds,” “Rating Agencies,” “Receivables
Facility,” “Receivables Fees,” “Refinancing Indebtedness,” “Refinancings,” “Refunding Capital Stock,” “Related Business Assets,” “Restricted Investment,” “Restricted
Payments,” “Restricted Subsidiary,” “Retired Capital Stock,” “S&P,” “Sale and Lease-Back Transactions,” “Satellite,” “Satellite Manufacturer,” “Satellite Purchase
Agreement,” “Satellite Purchaser,” “Secured Indebtedness,” “Senior Credit Documents,” “Senior Credit Facilities,” “Serafina Assignment,” “Similar Business,” “Special Interest
Notice,” “Specified Intercompany Agreements,” “Sponsors,” “Subordinated Indebtedness,” “Successor Company,” “Successor Person,” “Total Assets,” “Transaction Agreement,”
“Transactions,” “Unrestricted Subsidiary,” “Weighted Average Life to Maturity,” and “Wholly-Owned Subsidiaries.” 
  

 2 

 Section 1.02. Section 102 of the Indenture is hereby amended by replacing the reference
to “Indebtedness” with “indebtedness” in the definition of “guarantee” thereof. 
 Section 1.03.
Section 102 of the Indenture is hereby amended by replacing the phrase “Restricted Subsidiary” with “Subsidiary” in the definition of “Domestic Subsidiary” thereof. 

Section 1.04. Section 102 of the Indenture is hereby amended by replacing the phrase “Restricted Subsidiary” with
“Subsidiary” in the definition of “Foreign Subsidiary” thereof. 
 Section 1.05. Section 102 of the
Indenture is hereby amended by deleting the third paragraph in the definition of “Outstanding” and replacing it with the following: 

(3) Notes, except to the extent provided in Section 1302, with respect to which the Company has effected Legal
Defeasance as provided in Article Thirteen; and 
 Section 1.06. Section 102 of the Indenture is hereby amended by
replacing the phrase “Restricted Subsidiary” with “Subsidiary” in the definition of “Significant Subsidiary” thereof. 

Section 1.07. Section 102 of the Indenture is hereby amended replacing the phrase “Restricted Subsidiary” with
“Subsidiary” in the definition of “Subsidiary” thereof. 
 Section 1.08. Section 103 of the Indenture
is hereby amended by deleting the phrase “(other than pursuant to Section 1008(a))” in the second paragraph thereof. 

Section 1.09. To the extent not expressly deleted pursuant to the amendments set forth under this Article 1, (a) any definitions
used exclusively in the provisions of the Indenture deleted pursuant to the amendments set forth under this Third Supplemental Indenture are hereby deleted in their entirety from the Indenture and the Notes and (b) all references made to a
definition deleted from the Indenture pursuant to this Article 1 are hereby deleted in their entirety under this Article 1. 
 ARTICLE 2
AMENDMENTS TO ARTICLE THREE—THE NOTES 
 Section 2.01. Section 301 of the Indenture is hereby amended by replacing
the phrase “Sections 202 and 1011” with “Section 202” in the first paragraph thereof. 
 Section 2.02.
Section 301 of the Indenture is hereby amended by deleting the fourth paragraph thereof. 
 Section 2.03. Section 304
of the Indenture is hereby amended by deleting the phrase “1017, 1018,” in the last paragraph thereof. 
 Section
2.04. Section 312 of the Indenture is hereby amended by deleting the phrase “,subject to Section 1011 of this Indenture,” in the first sentence thereof. 

 

 3 

 ARTICLE 3 AMENDMENTS TO ARTICLE FOUR—SATISFACTION AND DISCHARGE 

Section 3.01. Section 401(2) of the Indenture is hereby amended by replacing the phrase “the Credit Facilities any other
material agreement or instrument” with “any material agreement or instrument”. 
 ARTICLE 4 AMENDMENTS TO ARTICLE
FIVE—REMEDIES 
 Section 4.01. Section 501(3) of the Indenture is hereby deleted and amended to read in its
entirety as set forth below: 
 (3) [Intentionally omitted]. 

Section 4.02. Section 501(4) of the Indenture is hereby deleted and amended to read in its entirety as set forth below:

 (4) [Intentionally omitted]. 

Section 4.03. Section 501(5) of the Indenture is hereby deleted and amended to read in its entirety as set forth below:

 (5) [Intentionally omitted]. 

Section 4.04. Section 501(6) of the Indenture is hereby deleted and amended to read in its entirety as set forth below:

 (6) [Intentionally omitted]. 

Section 4.05. Section 501(7) of the Indenture is hereby deleted and amended to read in its entirety as set forth below:

 (7) [Intentionally omitted]. 

Section 4.06. Section 501(8) of the Indenture is hereby deleted and amended to read in its entirety as set forth below:

 (8) [Intentionally omitted]. 

Section 4.07. Section 501(9) of the Indenture is hereby deleted and amended to read in its entirety as set forth below:

 (9) [Intentionally omitted]. 

Section 4.08. Section 502(a) of the Indenture is hereby amended by deleting the phrase “(other than an Event of Default
specified in Section 501(8) above)” in the first sentence thereof. 
  

 4 

 Section 4.09. Section 502(b) of the Indenture is hereby amended by deleting the
phrase “an Event of Default specified in Section 501(8) above occurs” in the last sentence thereof and replacing it with the phrase “a voluntary or involuntary case has been commenced against the Company or any Significant
Subsidiary under any Bankruptcy Law”. 
 Section 4.10. Section 502(d) of the Indenture is hereby deleted and
amended to read in its entirety as set forth below: 
 (d) [Intentionally omitted]. 

ARTICLE 5 AMENDMENTS TO ARTICLE SIX—THE TRUSTEE 

Section 5.01. Section 607 of the Indenture is hereby amended by deleting the phrase “an Event of Default specified in
Section 501(8)” in the third paragraph thereof and replacing it with the phrase “a voluntary or involuntary case commenced against the Company or any Significant Subsidiary under any Bankruptcy Law”. 

ARTICLE 6 AMENDMENTS TO ARTICLE EIGHT—MERGER, CONSOLIDATION OR SALE OF ALL OR SUBSTANTIALLY ALL ASSETS 

Section 6.01. Section 801 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 801. [Intentionally omitted]. 

Section 6.02. Section 802 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 802. [Intentionally omitted]. 

Section 6.03. Section 803 of the Indenture is hereby amended by deleting the phrase “in accordance with Sections 801 and
802 hereof” in the first sentence thereof. 
 ARTICLE 7 AMENDMENTS TO ARTICLE TEN—COVENANTS 

Section 7.01. Section 1004 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1004. [Intentionally omitted]. 

Section 7.02. Section 1005 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1005. [Intentionally omitted]. 

 

 5 

 Section 7.03. Section 1006 of the Indenture is hereby deleted and amended to read in
its entirety as set forth below: 
 SECTION 1006. [Intentionally omitted]. 

Section 7.04. Section 1007 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1007. [Intentionally omitted]. 

Section 7.05. Section 1008 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1008. [Intentionally omitted]. 

Section 7.06. Section 1009 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1009. [Intentionally omitted]. 

Section 7.07. Section 1010 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1010. [Intentionally omitted]. 

Section 7.08. Section 1011 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1011. [Intentionally omitted]. 

Section 7.09. Section 1012 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1012. [Intentionally omitted]. 

Section 7.10. Section 1013 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1013. [Intentionally omitted]. 

Section 7.11. Section 1014 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1014. [Intentionally omitted]. 

Section 7.12. Section 1015 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1015. [Intentionally omitted]. 

 

 6 

 Section 7.13. Section 1016 of the Indenture is hereby deleted and amended to read in
its entirety as set forth below: 
 SECTION 1016. [Intentionally omitted]. 

Section 7.14. Section 1017 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1017. [Intentionally omitted]. 

Section 7.15. Section 1018 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1018. [Intentionally omitted]. 

Section 7.16. Section 1019 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1019. [Intentionally omitted]. 

Section 7.17. Section 1020 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1020. [Intentionally omitted]. 

ARTICLE 8 AMENDMENTS TO ARTICLE TWELVE—GUARANTEES 

Section 8.01. Section 1203 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1203. [Intentionally omitted]. 

Section 8.02. Section 1208 of the Indenture is hereby deleted and amended to read in its entirety as set forth below:

 SECTION 1208. Release of a Guarantor. Any Guarantee by a Subsidiary of the Notes shall be automatically
and unconditionally released and discharged upon: 
 (1) (A) any sale, exchange or transfer (by merger or
otherwise) of all of the Company’s Capital Stock in such Guarantor or all or substantially all the assets of such Guarantor, which sale, exchange or transfer is made in compliance with the applicable provisions of this Indenture; 

(B) the release or discharge of the guarantee by such Subsidiary which resulted in the creation of such Guarantee, except
a discharge or release by or as a result of payment under such guarantee; or 
  

 7 

 (C) the Legal Defeasance of the Notes under Section 1302 hereof, or if
the Company’s obligations under the Indenture are discharged in accordance with Section 401; and 
 (2)
such Guarantor has delivered to the Trustee an Officers’ Certificate and an Opinion of Counsel, each stating that all conditions precedent herein provided for relating to such transaction have been complied with. 

ARTICLE 9 AMENDMENTS TO ARTICLE THIRTEEN—LEGAL DEFEASANCE AND COVENANT DEFEASANCE 

Section 9.01. Section 1301 of the Indenture is hereby amended by replacing the phrase “either Section 1302 or
Section 1303” and with the phrase “Section 1302”. 
 Section 9.02. Section 1302 of the Indenture is
hereby amended by deleting the sentence “Subject to compliance with this Article Thirteen, the Company may exercise its option under this Section 1302 notwithstanding the prior exercise of its option under Section 1303 with respect to
the Notes.” 
 Section 9.03. Section 1303 of the Indenture is hereby deleted and amended to read in its entirety as
set forth below: 
 SECTION 1303. [Intentionally omitted]. 

Section 9.04. Section 1304 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1304. Condition to Legal Defeasance. The following shall be a condition to the application of
Section 1302 to the Outstanding Notes: The Company shall irrevocably have deposited or caused to be deposited with the Trustee (or another trustee satisfying the requirements of Section 608 who shall agree to comply with the provisions of
this Article Thirteen applicable to it) as trust funds in trust for the purpose of making the following payments, specifically pledged as security for, and dedicated solely to the benefit of the Holders of such Notes; (A) cash in U.S. dollars,
or (B) non-callable Government Securities, or (C) a combination thereof, in such amounts as will be sufficient, in the opinion of a nationally recognized firm of independent public accountants expressed in a written certification thereof
delivered to the Trustee, to pay and discharge, and which shall be applied by the Trustee (or other qualifying trustee) to pay and discharge, the principal of (and premium, if any) and interest on the Outstanding Notes on the Stated Maturity (or
Redemption Date, if applicable) of such principal (and premium, if any, or, interest due on the Notes; provided that the Trustee shall have been irrevocably instructed to apply such cash or the proceeds of such Government Securities to said
payments with respect to the Notes. Before such a deposit, the Company may give to the Trustee, in accordance with Section 1103 hereof, a notice of its election to redeem all of the Outstanding Notes at a future date in accordance with Article
Eleven hereof, which notice shall be irrevocable. Such irrevocable redemption notice, if given, shall be given effect in applying the foregoing. 
  

 8 

 Section 9.05. Section 1305 of the Indenture is hereby amended by deleting the phrase
“or Covenant Defeasance, as applicable” in the third paragraph thereof. 
 Section 9.06. Section 1306 of the
Indenture is hereby amended by deleting the phrase “or 1303, as the case may be,”. 
 ARTICLE 10 AMENDMENTS TO THE NOTES, THE RULE
144A/REGULATION S/IAI APPENDIX, EXHIBIT A AND EXHIBIT C 
 Section 10.01. The Notes are hereby amended by deleting and
amending paragraph 6 on the reverse side thereof to read in its entirety as set forth below: 
 6. [Intentionally
omitted]. 
 Section 10.02. The Notes are hereby amended by deleting and amending paragraph 12 on the reverse side thereof to
read in its entirety as set forth below: 
 12. [Intentionally omitted]. 

Section 10.03. The Notes are hereby amended by deleting the section: 

“OPTION OF HOLDER TO ELECT PURCHASE 

If you want to elect to have this Note purchased by the Company pursuant to Section 1017 or 1018 of the Indenture, check the box:
   ̈ 
  ̈  If
you want to elect to have only part of this Note purchased by the Company pursuant to Section 1017 or 1018 of the Indenture, state the amount in principal amount: $ 

									
					
	Dated:	 	 	 		 	Your Signature:	 	 
		 		 		 		 	(Sign exactly as your name appears on the other side of this Note.)

			
		
	Signature Guarantee:	 	 
		 	(Signature must be guaranteed)

Signatures must be guaranteed by an “eligible guarantor institution” meeting the requirements of the Notes Registrar, which requirements
include membership or participation in the Security Transfer Agent Medallion Program (“STAMP”) or such other “signature guarantee program” as may be determined by the Notes Registrar in addition to, or in substitution for, STAMP,
all in accordance with the Securities Exchange Act of 1934, as amended.” 
 Section 10.04. Section 2.2 of the Rule
144A/Regulation S/IAI Appendix to the Indenture is hereby amended by deleting the phrase “and, in the case of any issuance of Additional Notes pursuant to Section 313 of the Indenture, shall certify that such issuance is in compliance with
Section 1011 of the Indenture” in the last sentence thereof. 
  

 9 

 Section 10.05. Exhibit 1 of the Rule 144A/Regulation S/IAI Appendix to the Indenture is
hereby amended by deleting and amending paragraph 6 thereof to read in its entirety as set forth below: 
 6.
[Intentionally omitted]. 
 Section 10.06. Exhibit 1 of the Rule 144A/Regulation S/IAI Appendix to the Indenture is hereby
amended by deleting and amending paragraph 12 thereof to read in its entirety as set forth below: 
 12.
[Intentionally omitted]. 
 Section 10.07. Exhibit 1 of the Rule 144A/Regulation S/IAI Appendix to the Indenture is hereby
amended by deleting the section: 
 “OPTION OF HOLDER TO ELECT PURCHASE 

If you want to elect to have this Note purchased by the Company pursuant to Section 1017 or 1018 of the Indenture, check the
box:   ̈ 

 ̈  If you want to elect to have only part of this Note purchased by the Company
pursuant to Section 1017 or 1018 of the Indenture, state the amount in principal amount: $ 
  

									
					
	Dated:	 	 	 		 	Your Signature:	 	 
		 		 		 		 	(Sign exactly as your name appears on the other side of this Note.)

			
		
	Signature Guarantee:	 	 
		 	(Signature must be guaranteed)

Signatures must be guaranteed by an “eligible guarantor institution” meeting the requirements of the Notes Registrar, which requirements
include membership or participation in the Security Transfer Agent Medallion Program (“STAMP”) or such other “signature guarantee program” as may be determined by the Notes Registrar in addition to, or in substitution for, STAMP,
all in accordance with the Securities Exchange Act of 1934, as amended.” 
 Section 10.08. Exhibit A to the Indenture is
hereby amended by deleting and amending paragraph 6 thereof to read in its entirety as set forth below: 
 6.
[Intentionally omitted]. 
 Section 10.09. Exhibit A to the Indenture is hereby amended by deleting and amending paragraph 12
thereof to read in its entirety as set forth below: 
 12. [Intentionally omitted]. 

 

 10 

 Section 10.10. Exhibit A of the Rule 144A/Regulation S/IAI Appendix to the Indenture is
hereby amended by deleting the section: 
 “OPTION OF HOLDER TO ELECT PURCHASE 

If you want to elect to have this Note purchased by the Company pursuant to Section 1017 or 1018 of the Indenture, check the
box:    ̈ 

 ̈  If you want to elect to have only part of this Note purchased by the Company
pursuant to Section 1017 or 1018 of the Indenture, state the amount in principal amount: $ 
  

									
					
	Dated:	 	 	 		 	Your Signature:	 	 
		 		 		 		 	(Sign exactly as your name appears on the other side of this Note.)

			
		
	Signature Guarantee:	 	 
		 	(Signature must be guaranteed)

Signatures must be guaranteed by an “eligible guarantor institution” meeting the requirements of the Notes Registrar, which requirements
include membership or participation in the Security Transfer Agent Medallion Program (“STAMP”) or such other “signature guarantee program” as may be determined by the Notes Registrar in addition to, or in substitution for, STAMP,
all in accordance with the Securities Exchange Act of 1934, as amended.” 
 Section 10.11. Exhibit C of the Indenture is
hereby deleted in its entirety. 
 ARTICLE 11 EFFECTIVENESS 

Section 11.01. This Third Supplemental Indenture shall become a binding agreement between the parties hereto when executed by the
parties hereto. The Proposed Amendments set forth herein shall become operative at the time and date at which the Company notifies the Trustee, in its capacity as depositary for the Notes in connection with the Offer and the Consent Solicitation
(each as defined in the Statement), that the validly tendered Notes are accepted for purchase pursuant to, and subject to the conditions set forth in, the Statement. 

ARTICLE 12 MISCELLANEOUS 

Section 12.01. To the extent not expressly deleted pursuant to the amendments set forth in this Third Supplemental Indenture, all
references to a provision of the Indenture deleted from the Indenture pursuant to this Third Supplemental Indenture are hereby deleted. 

Section 12.02. Amendments to the Indenture pursuant to this Third 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 to the Indenture. 
  

 11 

 Section 12.03. The Trustee accepts the trusts created by the Indenture, as amended and
supplemented by this Third Supplemental Indenture, and agrees to perform the same upon the terms and conditions of the Indenture, as amended and supplemented by this Third Supplemental Indenture. 

Section 12.04. All capitalized terms used and not defined herein shall have the respective meanings assigned to them in the Indenture.

 Section 12.05. When the Proposed Amendments set forth herein shall become operative as provided in Article 10 above, the
terms and conditions of this Third Supplemental Indenture shall be 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 together as though they constitute one and the same
instrument, except that in case of conflict, the provisions of this Third Supplemental Indenture will control. 
 Section 12.06.
Except as expressly amended hereby, the Indenture is in all respects ratified and confirmed and all the terms, conditions and provisions thereof shall remain in full force and effect. This Third Supplemental Indenture shall form a part of the
Indenture for all purposes, and every holder of Notes heretofore or hereafter authenticated and delivered shall be bound hereby. 

Section 12.07. All covenants and agreements in this Third Supplemental Indenture by the Company or the Trustee shall bind their
respective successors and assigns, whether so expressed or not. 
 Section 12.08. In case any provisions in this Third
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 12.09. Nothing in this Third 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 12.10. The parties may sign any number of copies of this Third 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 Third Supplemental Indenture. 

Section 12.11. This Third Supplemental Indenture shall be governed by, and construed in accordance with, the laws of the State of New
York. 
 Section 12.12. All provisions of this Third Supplemental Indenture shall be deemed to be incorporated in, and made a
part of, the Indenture; and the Indenture, as amended and supplemented by this Third Supplemental Indenture, shall be read, taken and construed as one and the same instrument. 

 

 12 

 Section 12.13. The Trustee shall not be responsible in any manner whatsoever for or in
respect of the validity or sufficiency of this Third Supplemental Indenture or for or in respect of the recitals contained herein, all of which are made solely by the Company. 

Section 12.14 The Section headings herein are for convenience only and shall not affect the construction thereof. 

 

 13 

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

					
	INTELSAT CORPORATION
		
	By:	 	/s/ Michael McDonnell
		 	Name:	 	Michael McDonnell
		 	Title:	 	Executive Vice President & Chief Financial Officer
	
	EACH OF THE ENTITIES LISTED ON SCHEDULE I HERETO
		
	By:	 	/s/ Anita Beier
		 	Name:	 	Anita Beier
		 	Title:	 	Senior Vice President & Controller/Manager
	
	WELLS FARGO BANK, NATIONAL ASSOCIATION, as Trustee
		
	By:	 	/s/ Martin Reed
		 	Name:	 	Martin Reed
		 	Title:	 	Vice President

 [Signature Page to
Third Supplemental Indenture] 

 Schedule I 

Guarantors 
  

			
	 Name
	  	
Jurisdiction of Incorporation

		
	 AccessPas, Inc.
	  	Delaware
		
	 Intelsat Asia Carrier Services, Inc.
	  	Delaware
		
	 PanAmSat Capital Corporation
	  	Delaware
		
	 PanAmSat Communications Carrier Services, Inc.
	  	California
		
	 PanAmSat Communications Japan, Inc.
	  	California
		
	 PanAmSat Communications Services, Inc.
	  	California
		
	 PanAmSat Europe Corporation
	  	Delaware
		
	 PanAmSat H-2 Licensee Corp.
	  	Delaware
		
	 PanAmSat India Marketing, L.L.C.
	  	Delaware
		
	 PanAmSat India, Inc.
	  	Delaware
		
	 PanAmSat International Holdings, LLC
	  	Delaware
		
	 PanAmSat International Sales, Inc.
	  	Delaware
		
	 PanAmSat International Systems Marketing, L.L.C.
	  	Delaware
		
	 Intelsat International Systems, LLC
	  	Delaware
		
	 PanAmSat Licensee Corp.
	  	Delaware
		
	 PanAmSat Satellite Galaxy 10R, Inc.
	  	Delaware
		
	 PanAmSat Satellite Galaxy 11, Inc.
	  	Delaware
		
	 PanAmSat Satellite Galaxy 12, Inc.
	  	Delaware
		
	 PanAmSat Satellite Galaxy 13, Inc.
	  	Delaware
		
	 PanAmSat Satellite Galaxy 14, Inc.
	  	Delaware
		
	 PanAmSat Satellite Galaxy 15, Inc.
	  	Delaware
		
	 PanAmSat Satellite Galaxy 16, Inc.
	  	Delaware

			
		
	 Intelsat Satellite Galaxy 17, Inc.
	  	Delaware
		
	 Intelsat Satellite Galaxy 18, Inc.
	  	Delaware
		
	 Intelsat Satellite IS 11, Inc.
	  	Delaware
		
	 Intelsat Satellite IS 14, Inc.
	  	Delaware
		
	 PanAmSat Satellite Galaxy 1R, Inc.
	  	Delaware
		
	 PanAmSat Satellite Galaxy 3C, Inc.
	  	Delaware
		
	 PanAmSat Satellite Galaxy 3R, Inc.
	  	Delaware
		
	 PanAmSat Satellite Galaxy 4R, Inc.
	  	Delaware
		
	 PanAmSat Satellite Galaxy 5, Inc.
	  	Delaware
		
	 PanAmSat Satellite Galaxy 9, Inc.
	  	Delaware
		
	 PanAmSat Satellite HGS 3, Inc.
	  	Delaware
		
	 PanAmSat Satellite HGS 5, Inc.
	  	Delaware
		
	 PanAmSat Satellite Leasat F5, Inc.
	  	Delaware
		
	 PanAmSat Satellite PAS 10, Inc.
	  	Delaware
		
	 PanAmSat Satellite PAS 1R, Inc.
	  	Delaware
		
	 PanAmSat Satellite PAS 2, Inc.
	  	Delaware
		
	 PanAmSat Satellite PAS 3, Inc.
	  	Delaware
		
	 PanAmSat Satellite PAS 4, Inc.
	  	Delaware
		
	 PanAmSat Satellite PAS 5, Inc.
	  	Delaware
		
	 PanAmSat Satellite PAS 6B, Inc.
	  	Delaware
		
	 PanAmSat Satellite PAS 7, Inc.
	  	Delaware
		
	 PanAmSat Satellite PAS 8, Inc.
	  	Delaware
		
	 PanAmSat Satellite PAS 9, Inc.
	  	Delaware
		
	 PanAmSat Satellite SBS 6, Inc.
	  	Delaware
		
	 PanAmSat Services, Inc.
	  	Delaware

  

 2 

			
		
	 Intelsat International Employment, Inc.
	  	Delaware
		
	 PAS International, LLC
	  	Delaware
		
	 Intelsat Service and Equipment Corporation
	  	Delaware
		
	 Southern Satellite Corp.
	  	Connecticut
		
	 Southern Satellite Licensee Corporation
	  	Delaware
		
	 USHI, LLC
	  	Delaware

  

 3First Supplemental Indenture dated as of September 29, 2010

 Exhibit 4.4 

Execution Version 

FIRST SUPPLEMENTAL INDENTURE, dated as of September 29, 2010 (this “First Supplemental Indenture”), between
INTELSAT CORPORATION, a Delaware corporation (the “Company”), and THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., as trustee (the “Trustee”). 

W I T N E S S E T H: 

WHEREAS, the Company and the Trustee are parties to an Indenture, dated as of January 16, 1998 (the
“Indenture”), pursuant to which the Company issued $125,000,000 aggregate principal amount of its
6 7/8% Senior Secured Debentures Due 2028 (the
“Notes”); 
 WHEREAS, the Board of Directors of the Company has authorized the proposed amendments to
the Indenture contemplated by this First Supplemental Indenture (the “Proposed Amendments”); 
 WHEREAS,
Section 902 of the Indenture provides, inter alia, that in certain circumstances the Company and the Trustee may amend or supplement the Indenture and the Notes with the consent of the Holders of not less than a majority in aggregate principal
amount of the Outstanding Notes; 
 WHEREAS, the Company has distributed an Offer to Purchase and Consent Solicitation
Statement, dated September 16, 2010 (the “Statement”), and accompanying Consent and Letter of Transmittal to the Holders of the Notes in connection with the Proposed Amendments as described in the Statement; 

WHEREAS, the Holders of not less than a majority in aggregate principal amount of the Notes outstanding have approved the Proposed
Amendments to the provisions of the Indenture and the Notes; 
 WHEREAS, the execution and delivery of this instrument has been
duly authorized and all conditions and requirements necessary to make this instrument a valid and binding agreement have been duly performed and complied with; 

WHEREAS, the Indenture provides that in connection with this First Supplemental Indenture, the Company shall have delivered to the
Trustee an Officers’ Certificate and an Opinion of Counsel, and such Officers’ Certificate and Opinion of Counsel have been delivered to the Trustee on the date hereof; and 

WHEREAS, pursuant to Sections 902 and 903 of the Indenture, the Company, the Guarantors and the Trustee are authorized to execute and
deliver this First Supplemental Indenture; 
  

 1 

 NOW, THEREFORE, for and in consideration of the premises and other good and valuable
consideration, the receipt and sufficiency of which hereby are acknowledged, it is mutually covenanted and agreed, for the equal proportionate benefit of all Holders of the Notes, as follows: 

ARTICLE 1 AMENDMENTS TO ARTICLE ONE—DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION 

Section 1.01. Section 101 of the Indenture is hereby amended by deleting the following definitions: “Attributable Debt,”
“Consolidated Net Tangible Assets,” “lien,” “Principal Property,” “Restricted Subsidiary,” “Subsidiary,” and “Voting Stock.” 

Section 1.02. Section 101 of the Indenture is hereby amended by inserting the following paragraph after the definition of
“Outstanding” thereof: 
 “Parent” means, with respect to any Person, any other Person of
which such Person is a direct or indirect Subsidiary. 
 Section 1.03. To the extent not expressly deleted pursuant to the
amendments set forth under this Article 1, (a) any definitions used exclusively in the provisions of the Indenture deleted pursuant to the amendments set forth under this First Supplemental Indenture are hereby deleted in their entirety from
the Indenture and the Notes and (b) all references made to a definition deleted from the Indenture pursuant to this Article 1 are hereby deleted in their entirety under this Article 1. 

ARTICLE 2 AMENDMENTS TO ARTICLE FOUR—SATISFACTION AND DISCHARGE 

Section 2.01. Section 403(g) of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

(g) [Intentionally omitted]. 

Section 2.02. Section 403(h) of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

(h) [Intentionally omitted]. 

ARTICLE 3 AMENDMENTS TO ARTICLE FIVE—REMEDIES 

Section 3.01. Section 501(5) of the Indenture is hereby deleted and amended to read in its entirety as set forth below:

 (5) [Intentionally omitted]. 

Section 3.02. Section 501(6) of the Indenture is hereby deleted and amended to read in its entirety as set forth below:

 (6) [Intentionally omitted]. 
  

 2 

 Section 3.03. Section 501(7) of the Indenture is hereby deleted and amended to
read in its entirety as set forth below: 
 (7) [Intentionally omitted]. 

Section 3.04. Section 501(8) of the Indenture is hereby deleted and amended to read in its entirety as set forth below:

 (8) [Intentionally omitted]. 

ARTICLE 4 AMENDMENTS TO ARTICLE SIX—THE TRUSTEE 

Section 4.01. Section 607 of the Indenture is hereby amended by deleting the phrase “an Event of Default under
Section 501(6) or Section 501(7) hereof” in the third paragraph thereof and replacing it with the phrase “a voluntary or involuntary case commenced against the Company under any bankruptcy law”. 

ARTICLE 5 AMENDMENTS TO ARTICLE SEVEN—HOLDERS’ LISTS AND REPORTS BY TRUSTEE AND COMPANY 

Section 5.01. Section 704 of the Indenture is hereby amended by inserting the following paragraphs after the last paragraph thereof:

 Notwithstanding the foregoing, the Company will be deemed to have furnished the information, documents or
reports required by the preceding paragraph to the Trustee and the Holders if it or another Parent of the Company has filed (or, in the case of a Form 8-K or Form 6-K, furnished) such information, documents or reports with the Commission via the
EDGAR filing system and such reports are publicly available. 
 If any Parent of the Company is or becomes a
guarantor or co-obligor of the Securities, the Company may satisfy its obligations under this Section 704 with respect to financial information relating to the Company by furnishing financial information relating to such Parent. 

ARTICLE 6 AMENDMENTS TO ARTICLE EIGHT—CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE 

Section 6.01. Section 801 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 801. [Intentionally omitted]. 

Section 6.02. Section 802 of the Indenture is hereby amended by deleting the phrase “in accordance with Section 801”
in the first sentence thereof. 
  

 3 

 ARTICLE 7 AMENDMENTS TO ARTICLE TEN—COVENANTS 

Section 7.01. Section 1004 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1004. [Intentionally omitted]. 

Section 7.02. Section 1005 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1005. [Intentionally omitted]. 

Section 7.03. Section 1006 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1006. [Intentionally omitted]. 

Section 7.04. Section 1007 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1007. [Intentionally omitted]. 

Section 7.05. Section 1008 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1008. [Intentionally omitted]. 

Section 7.06. Section 1009 of the Indenture is hereby deleted and amended to read in its entirety as set forth below: 

SECTION 1009. [Intentionally omitted]. 

Section 7.07. Section 1011 of the Indenture is hereby amended by deleting the phrase “Sections 1006 to 1010, inclusive,”
and replacing it with the phrase “Section 1010”. 
 ARTICLE 8 AMENDMENTS TO ARTICLE ELEVEN—REDEMPTION OF SECURITIES

 Section 8.01. Section 1102 of the Indenture is hereby amended by replacing the number “60” in the second
sentence thereof with the word “ten”. 
 Section 8.02. Section 1104 of the Indenture is hereby amended by
replacing the number “30” in the first sentence thereof with the word “three”. 
  

 4 

 ARTICLE 9 EFFECTIVENESS 

Section 9.01. This First Supplemental Indenture shall become a binding agreement between the parties hereto when executed by the
parties hereto. The Proposed Amendments set forth herein shall become operative at the time and date at which the Company notifies the Trustee, in its capacity as depositary for the Notes in connection with the Offer and the Consent Solicitation
(each as defined in the Statement), that the validly tendered Notes are accepted for purchase pursuant to, and subject to the conditions set forth in, the Statement. 

ARTICLE 10 MISCELLANEOUS 

Section 10.01. To the extent not expressly deleted pursuant to the amendments set forth in this First Supplemental Indenture, all
references to a provision of the Indenture deleted from the Indenture pursuant to this First Supplemental Indenture are hereby deleted. 

Section 10.02. Amendments to the Indenture pursuant to this First Supplemental Indenture shall also apply to the Notes. 

Section 10.03. The Trustee accepts the trusts created by the Indenture, as amended and supplemented by this First Supplemental Indenture,
and agrees to perform the same upon the terms and conditions of the Indenture, as amended and supplemented by this First Supplemental Indenture. 

Section 10.04. All capitalized terms used and not defined herein shall have the respective meanings assigned to them in the Indenture.

 Section 10.05. When the Proposed Amendments set forth herein shall become operative as provided in Article 7 above, the terms
and conditions of this First Supplemental Indenture shall be 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 together as though they constitute one and the same
instrument, except that in case of conflict, the provisions of this First Supplemental Indenture will control. 
 Section 10.06.
Except as expressly amended hereby, the Indenture is in all respects ratified and confirmed and all the terms, conditions and provisions thereof shall remain in full force and effect. This First Supplemental Indenture shall form a part of the
Indenture for all purposes, and every holder of Notes heretofore or hereafter authenticated and delivered shall be bound hereby. 

Section 10.07. All covenants and agreements in this First Supplemental Indenture by the Company or the Trustee shall bind their
respective successors and assigns, whether so expressed or not. 
 Section 10.08. In case any provisions in this First
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 10.09. Nothing in this First 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. 
  

 5 

 Section 10.10. The parties may sign any number of copies of this First 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 First Supplemental Indenture. 

Section 10.11. This First Supplemental Indenture shall be governed by, and construed in accordance with, the laws of the State of New
York. 
 Section 10.12. If any provision of this First Supplemental Indenture limits, qualifies or conflicts with another
provision of this First Supplemental Indenture or the Indenture or the Notes that is required to be included by the Trust Indenture Act of 1939, as amended, as in force at the date this First Supplemental Indenture is executed, the provision
required by said Act shall control. 
 Section 10.13. All provisions of this First Supplemental Indenture shall be deemed to be
incorporated in, and made a part of, the Indenture; and the Indenture, as amended and supplemented by this First Supplemental Indenture, shall be read, taken and construed as one and the same instrument. 

Section 10.14. The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this
First Supplemental Indenture or for or in respect of the recitals contained herein, all of which are made solely by the Company. 

Section 10.15. The Section headings herein are for convenience only and shall not affect the construction thereof. 

 

 6 

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

			
	INTELSAT CORPORATION
		
	By:	 	/s/ Michael McDonnell
	Name:	 	Michael McDonnell
	Title:	 	 Executive Vice President &

Chief Financial Officer

  

			
	THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., as Trustee
		
	By:	 	/s/ Richard Tarnas
	Name:	 	Richard Tarnas
	Title:	 	Vice President

 [Signature Page to
First Supplemental Indenture for the 2028 Notes]

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