Exhibit 4.33

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. 1 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 amendments to the LSA in accordance with Section 31 (Modifications) thereof (such amendments, Amendment No. 1). Any capitalized terms not defined and used in this
Amendment No. 1 shall have the meanings ascribed thereto in 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. | The first sentence of Section 4.1 (Installment Payments) is deleted in its entirety and replaced with the following (emphasis is added to the amended
wording):
| | -- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------

Customer shall pay the Launch Services Price to Contractor (***) in accordance with the
following table, (***).



| | 2. | The first sentence of Section 6 (Launch Period) is deleted in its entirety and replaced with the following (emphasis is added to the amended wording):
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------------------



---

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.



The date of the Launch (Launch Date) shall occur within a (***)
period beginning on (***) and ending on (***)(Launch Period).



| | 3. | Article 34 (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) | Signature of this Agreement by both Parties; and
| | --- | ------------------------------------------------



| | (ii) | payment by Customer of the Initial Payment within (***) Business Days thereof, such payment to be received by Contractor no later than February 3, 2012.
| | ---- | --------------------------------------------------------------------------------------------------------------------------------------------------------

Notwithstanding the foregoing, the Parties agree and acknowledge that Customer shall have the sole right, in its
discretion, to terminate this Agreement upon written notice to Contractor, (***), in the event that Customer's Payload manufacturer Associate Contractor has not obtained satisfactory corporate approval required for it to execute, deliver and perform
the Payload manufacturing and delivery agreement no later than March 9, 2012, in which case, Contractor shall (***) Customer (***) no later than (***) days after receipt by Contractor of the notice provided for in this
Section 35.

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. 1 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. There are no additional side letters, amendments or similar agreements between the Parties related to the matters described herein.



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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. 1 by their duly authorized
officers.



|                                     |  |               |  |                                   |  |              |  |                       
|------------------------------------ |  | ------------- |  | --------------------------------- |  | ------------ |  | ----------------------
|Space Exploration Technologies Corp. |  |               |  | Satélites Mexicanos, S.A. de C.V.
|                                     |  |               |  |                                  
|By:                                  |  | (***)         |  |                                   |  | By:          |  | /s/ Patricio Northland
|Name: Title:                         |  | (***) (***)   |  |                                   |  | Name: Title: |  | Patricio Northland
CEO
|Date:                                |  | March 2, 2012 |  |                                   |  | Date:        |  | March 2, 2012         



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