Company: VIST
Filing Date: 2025-04-16
Form Type: 6-K
Source: 0001193125-25-082223
Chunk: 61

Company: Vista Energy, S.A.B. de C.V.
Filing Date: 2025-04-16
Form: 6-K
Chunk 61
---
 involved, the subject matter of the sale and purchase, the price and form of payment, representations and warranties, indemnities, and jurisdiction and applicable law, but is not and is not intended to be an exhaustive summary thereof. Parties to the Agreement The Sale and Purchase Agreement involves the following parties: Sellers:

| • |     | PETRONAS Carigali International E&P B.V., a limited liability company organized under the laws of the 
 Netherlands.                                                                                          |

| • |     | PETRONAS Carigali Canada B.V., a limited liability company organized under the laws of the Netherlands. |

Purchasers:

| • |     | Vista Energy, S.A.B. de C.V., and |

| • |     | Vista Energy Argentina S.A.U. |

Goods Subject of the Sale and Purchase The subject of the sale and purchase is the entire issued share capital of PETRONAS E&P Argentina S.A., a company that owns rights and interests in hydrocarbon concessions in Argentina. Specific details of the company and its assets are contained in the Sale and Purchase Agreement itself. Price and Payment The total purchase price (which we refer to as the “Purchase Price”) is comprised of three main components:

| (i) | a Closing Cash Amount equivalent to US$900,000,000, subject to the price adjustment mechanism provided                                                                              
 for in the Sale and Purchase Agreement (locked box) for contributions and certain restricted payments that would have been made between the Effective Date and the Completion Date; |

| (ii) | a Deferred Payment equivalent to (a) a first deferred payment on the fourth anniversary of the                                                                                
 Completion Date (April 15, 2029) of US$150,000,000, and (b) a second deferred payment on the fifth anniversary of the Completion Date (April 15, 2030) of US$150,000,000; and |

| (iii) | an ADSs Consideration equivalent to the number of ADSs resulting from dividing US$$300,000,000 Dollars    
 by the Average ADS Price, in accordance with the calculation provided in the Sale and Purchase Agreement. |

50

Certain payments under the Transaction will be secured by a convertible note agreement to be entered into between the Sellers and the Purchasers (the “ Convertible Note Agreement”) further described. Pursuant to the Convertible Note Agreement, Vista will deliver to the Sellers a convertible note which, in addition to documenting its obligation to guarantee payments of the Deferred Cash Price, grants the Sellers the conditional right