Company: VIST
Filing Date: 2025-04-16
Form Type: 6-K
Source: 0001193125-25-082223
Chunk: 20

Company: Vista Energy, S.A.B. de C.V.
Filing Date: 2025-04-16
Form: 6-K
Chunk 20
---
 sale and purchase of the PEPASA Shares was made pursuant to the terms and conditions set forth in the Sale and Purchase Agreement, which was entered into under the laws of England and Wales. Pursuant to the terms and conditions set forth in the Sale and Purchase Agreement, among other things, on the Completion Date, the sale and purchase of PEPASA Shares was completed and, among others, the following actions were taken:

| • |     | The Purchasers paid the Sellers the Closing Cash Amount and the ADS Consideration. |

| • |     | The Purchasers delivered evidence of the issuance of the ADS Consideration. |

| • |     | The Sellers delivered to the Purchasers, among other things, (a) a certified copy of the signed share                                                                                                                           
 transfer letter of the PEPASA Shares sent to PEPASA, (b) the Company’s statutory registers and books properly written up to the time immediately prior to the Completion Date), and (c) a certified copy of a resolution of the 
 Sellers’ board of directors authorizing its entry into the Transaction and authorizing a person or persons to sign the Sale and Purchase Agreement documents,                                                                   |

| • |     | The Sellers and the Purchasers took the necessary actions to hold meetings of the board of directors and                                                                                                                                             
 shareholders of PEPASA (as applicable) at which (a) the board of directors of PEPASA took note of the transfer of the PEPASA Shares, cancel the existing share certificates of the Sellers, issue new share certificates in favor of Vista Argentina 
 and instruct the president of PEPASA to register the transfer of the PEPASA Shares in PEPAS’s stock ledger book, take note of the resignations of its directors and call a PEPASA’s shareholders meeting; and (b) the shareholders meeting           
 of PEPASA accepted the resignations of its directors, approved the appointment of persons deemed advisable by the Purchasers and changed the name of PEPASA in order to avoid confusion.                                                             |

15

| • |     | Steps were taken to ensure the proper transfer of technology resources and support services. |

After the Completion Date, the following actions, among others, will be taken:

| • |     | Relevant documents and data in the possession of the Sellers of or related to PEPASA will be transferred. |

| • |     | The Buyers and the Sellers will enter into a Convertible Note Agreement to secure the obligation to pay the                  
 Deferred Cash Price. For further information, please refer to