Exhibit 4.36

Summary in English of the GSF Share Purchase Agreement

The following are the main terms and conditions of the share purchase agreement entered into by Banco Invex, S.A., Institución de Banca Múltiple,
Invex Grupo Financiero, as trustee of Trust F/1017 (the Trustee), Grupo Salinas Telecom, S.A. de C.V. (GST), with the acknowledgement of GSF Telecom Holdings, S.A.P.I. de C.V. (GSF) and
Corporativo Vasco de Quiroga, S.A. de C.V. (CVQ).



|                 |  |                                                                                                                                                                                                                           
|---------------- |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|PARTIES          |  | Seller: The Trustee Buyer: GST
 With the acknowledgement of GSF and CVQ.                                                                                                                                                  
|                 | 
|DATE             |  | July 9, 2014                                                                                                                                                                                                              
|                 | 
|PURCHASED SHARES |  | Subject to the compliance of certain conditions (which occurred on January 6, 2015), GST acquired from the Seller 49,999 series B shares and 149,500,000 series BB shares, representative of the capital stock
of GSF.
|                 | 
|PRICE            |  | US$717,000,000.001                                                                                                                                                                                                        
|                 | 
|JURISDICTION     |  | Mexican federal courts sitting in Mexico City.                                                                                                                                                                            
|                 | 
|GOVERNING LAW    |  | The parties submitted to the applicable federal laws of Mexico.                                                                                                                                                           



|1 | This purchase price includes (i) US$122,163,310.22 that had been previously contributed to GSF by CVQ for future capital increases prior to the transaction, which CVQ was subsequently reimbursed to CVQ as part of
the transaction, and (ii) US$3.97 that were received by CVQ for the sale of the one share of GSF that was held outside of Trust F/1017.
|- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------