Exhibit 4.34

FOIA CONFIDENTIAL TREATMENT HAS BEEN REQUESTED WITH RESPECT TO CERTAIN INFORMATION IN THIS AGREEMENT. THIS INFORMATION HAS BEEN REDACTED AND DENOTED BY ASTERISKS (***). COPIES OF THE EXHIBIT CONTAINING
THE REDACTED PORTIONS HAVE BEEN FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION (THE COMMISSION) SUBJECT TO A REQUEST FOR CONFIDENTIAL TREATMENT PURSUANT TO RULE 24B-2 UNDER THE SECURITIES EXCHANGE ACT.

[SpaceX Letterhead]

(***)

Satélites Mexicanos, S.A. de C.V

(***)



| | Re: | Amendment No. 2 to the Launch Services Agreement, dated February 3, 2012, between Satélites Mexicanos, S.A. de C.V and Space Exploration Technologies
Corp. (the LSA)
| | --- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------

Dear (***):

The purpose of this letter is to document the mutual understanding between Satélites Mexicanos, S.A. de C.V (Customer) and Space Exploration Technologies Corp.
(Contractor) as regards certain amendments to the LSA in accordance with Section 31 (Modifications) thereof (such amendments, Amendment No. 2). Any capitalized terms not defined and used in this
Amendment No. 2 shall have the meanings ascribed thereto in the LSA.

Contractor and Customer, for good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, and intending to be legally bound, agree to the following amendments to the LSA, which shall be incorporated therein and made a part thereof:



| | 1. | Section 35 (Effective Date) is deleted in its entirety and replaced with the following (emphasis is added to the amended wording).
| | -- | ----------------------------------------------------------------------------------------------------------------------------------

The effective date of this Agreement (the Effective Date) shall be the date when all of the following conditions
have been fulfilled, as confirmed in writing promptly upon occurrence:



| | (i) | (***); and
| | --- | ----------

 Proprietary
and Confidential 



---

FOIA CONFIDENTIAL TREATMENT HAS BEEN REQUESTED WITH RESPECT TO CERTAIN INFORMATION
IN THIS AGREEMENT. THIS INFORMATION HAS BEEN REDACTED AND DENOTED BY ASTERISKS (***). COPIES OF THE EXHIBIT CONTAINING THE REDACTED PORTIONS HAVE BEEN FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION (THE COMMISSION) SUBJECT
TO A REQUEST FOR CONFIDENTIAL TREATMENT PURSUANT TO RULE 24B-2 UNDER THE SECURITIES EXCHANGE ACT.



| | (ii) | (***)
| | ---- | -----

(***)

The Parties recognize that except as expressly modified herein, the LSA remains in full force and effect in accordance with its terms and conditions.
This Amendment No. 2 contains the entire understanding between the Parties concerning the matters described herein, supersedes any prior written or oral agreement between the Parties related these matters, and shall be amended only through a
written amendment executed by each of the Parties hereto. Other than Amendment No. 1, dated March 2, between Customer and Contractor, there are no additional side letters, amendments or similar agreements between the Parties
related to the matters described herein.

(Signature page follows)



2

 Proprietary and Confidential 



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FOIA CONFIDENTIAL TREATMENT HAS BEEN REQUESTED WITH RESPECT TO CERTAIN INFORMATION
IN THIS AGREEMENT. THIS INFORMATION HAS BEEN REDACTED AND DENOTED BY ASTERISKS (***). COPIES OF THE EXHIBIT CONTAINING THE REDACTED PORTIONS HAVE BEEN FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION (THE COMMISSION) SUBJECT
TO A REQUEST FOR CONFIDENTIAL TREATMENT PURSUANT TO RULE 24B-2 UNDER THE SECURITIES EXCHANGE ACT.



IN WITNESS WHEREOF, the undersigned have executed this Amendment No. 2 by their duly authorized
officers.



|                                     |  |               |  |                                   |  |        |  |                       
|------------------------------------ |  | ------------- |  | --------------------------------- |  | ------ |  | ----------------------
|Space Exploration Technologies Corp. |  |               |  | Satélites Mexicanos, S.A. de C.V.
|                                     |  |               |  |                                  
|By:                                  |  | (***)         |  |                                   |  | By:    |  | /s/ Patricio Northland
|Name:                                |  | (***)         |  |                                   |  | Name:  |  | Patricio Northland    
|Title:                               |  | (***)         |  |                                   |  | Title: |  | CEO                   
|Date:                                |  | March 9, 2012 |  |                                   |  | Date:  |  | March 9, 2012         




Proprietary and Confidential 