Exhibit 10.4



  
 Exhibit 10.4

 AMENDMENT NO. 2 
 TO THE 
 FULL SCALE SYSTEM DEVELOPMENT CONTRACT 

No. IS-10-021 
 Between 
 IRIDIUM SATELLITE LLC 

And 

THALES ALENIA SPACE FRANCE 
 for the 
 IRIDIUM NEXT SYSTEM 

  
 CONFIDENTIAL
TREATMENT HAS BEEN REQUESTED FOR PORTIONS OF THIS EXHIBIT. THE 
 COPY FILED HEREWITH OMITS THE INFORMATION SUBJECT TO A
CONFIDENTIALITY 
 REQUEST. OMISSIONS ARE DESIGNATED [***. . .***]. A COMPLETE VERSION OF THIS EXHIBIT 

HAS BEEN FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION. 








  
 PREAMBLE

 This Amendment No. 2 (the “Amendment”) to the Full Scale System Development Contract No. IS-10-021
signed on June 1, 2010 between Iridium Satellite LLC and Thales Alenia Space France for the Iridium Next System, as amended, (the “Contract”) is entered into on this 30th day of September, 2010 by and between Thales Alenia Space France, a company organized and existing under the laws of
France, having its registered office at 26 avenue Jean François Champollion 31100 Toulouse—FRANCE (“Contractor”), and Iridium Satellite LLC, a limited liability company organized under the laws of Delaware, having an
office at 1750 Tysons Boulevard, Suite 1400, McLean, VA 22102—USA (“Purchaser”). 
 RECITALS

 WHEREAS, Purchaser and Contractor have engaged in discussions relating to changes the Parties would like to incorporate in the
Contract to modify the payment terms; 
 WHEREAS, the Parties now desire to amend Articles 5 of the Contract in accordance with the terms
and conditions as specified herein; 
 NOW, THEREFORE, in consideration of the premises and for good and valuable consideration, the
receipt and adequacy of which are hereby expressly acknowledged, and intending to be legally bound, the Parties hereby agree as follows: 

Article 1: Capitalized terms used but not defined in this Amendment shall have the meanings ascribed thereto in the Contract, the ATP or
any amendments thereto, as the case may be. 
 Article 2: Article 5.1 of the Contract is hereby amended by inserting new Articles
5.1.3 and 5.1.4, which shall read as follows: 
 “5.1.3 Invoicing Periods. Invoices hereunder shall be submitted by
Contractor to Purchaser for payment [***...***]; 
 5.1.4 [***. . .***]. Contractor shall [***...***];

 Article 3: This Amendment may be executed and delivered (including via facsimile or other electronic means) in one or more
counterparts, each of which shall be deemed to be an original, but all of which shall constitute one and the same agreement. 
 Article
4: All other provisions of the Contract not expressly referred to in this Amendment remain in full force and effect. 

  
 CONFIDENTIAL
TREATMENT HAS BEEN REQUESTED FOR PORTIONS OF THIS EXHIBIT. THE 
 COPY FILED HEREWITH OMITS THE INFORMATION SUBJECT TO A
CONFIDENTIALITY 
 REQUEST. OMISSIONS ARE DESIGNATED [***. . .***]. A COMPLETE VERSION OF THIS EXHIBIT 

HAS BEEN FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION. 

Iridium / Thales Alenia Space Confidential & Proprietary 


  
 2 








  
 IN WITNESS WHEREOF, the Parties
have executed this Amendment by their duly authorized officers as of the date set forth in the Preamble. 
  

					
	IRIDIUM SATELLITE LLC	 		 	THALES ALENIA SPACE FRANCE
			
	/s/ John S. Brunette	 	 	 	/s/ Nathalie Smirnov
	John S. Brunette	 		 	Nathalie Smirnov
			
	Chief Legal & Administrative	 		 	Vice President Payloads and Systems
	Officer	 		 	


  
 CONFIDENTIAL
TREATMENT HAS BEEN REQUESTED FOR PORTIONS OF THIS EXHIBIT. THE 
 COPY FILED HEREWITH OMITS THE INFORMATION SUBJECT TO A
CONFIDENTIALITY 
 REQUEST. OMISSIONS ARE DESIGNATED [***. . .***]. A COMPLETE VERSION OF THIS EXHIBIT 

HAS BEEN FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION. 

Iridium / Thales Alenia Space Confidential & Proprietary 


  
 3