PetroTal Regulatory News (PTAL)

Transaction in Own Shares

Calgary, AB and Houston, TX - June 20, 2025 - PetroTal Corp. ("PetroTal" or the "Company") (TSX: TAL, AIM: PTAL and OTCQX: PTALF), announces that, in accordance with the terms of its share buyback programme announced on 30 May 2025, it has purchased the following number of common shares of no par value each in the capital of the Company ("Common Shares") through Stifel Nicolaus Europe Limited ("Stifel").

Following the repurchase of shares, the Company will have 914,606,499 Common Shares of no par value each in issue and no Treasury Shares. Therefore, the total voting rights in the Company will be 914,606,499.

The figure of 914,606,499 may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the FCA's Disclosure Guidance and Transparency Rules.

In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 (the Market Abuse Regulation) as in force in the UK by virtue of the European Union (Withdrawal) Act 2018, the table below contains detailed information of the individual trades made by Stifel as part of the buyback programme.

Schedule of purchases:

Individual transactions:

For further information, please contact:

ABOUT PETROTAL

PetroTal is a publicly traded, tri‐quoted (TSX: TAL, AIM: PTAL and OTCQX: PTALF) oil and gas development and production Company domiciled in Calgary, Alberta, focused on the development of oil assets in Peru. PetroTal's flagship asset is its 100% working interest in Bretana oil field in Peru's Block 95 where oil production was initiated in June 2018. In early 2022, PetroTal became the largest crude oil producer in Peru. The Company's management team has significant experience in developing and exploring for oil in Peru and is led by a Board of Directors that is focused on safely and cost effectively developing the Bretana oil field. It is actively building new initiatives to champion community sensitive energy production, benefiting all stakeholders.

For further information, please see the Company's website at www.petrotal-corp.com, the Company's filed documents at www.sedar.com, or below:

Camilo McAllister

Executive Vice President and Chief Financial Officer

Cmcallister@PetroTal-Corp.com

T: (713) 253-4997

Manolo Zuniga

President and Chief Executive Officer

Mzuniga@PetroTal-Corp.com

T: (713) 609-9101

PetroTal Investor Relations

InvestorRelations@PetroTal-Corp.com

Celicourt Communications

Mark Antelme / Jimmy Lea

petrotal@celicourt.uk

T : 44 (0) 20 7770 6424

Strand Hanson Limited (Nominated & Financial Adviser)

Ritchie Balmer / James Spinney / Robert Collins

T: 44 (0) 207 409 3494

Stifel Nicolaus Europe Limited (Joint Broker)

Callum Stewart / Simon Mensley / Ashton Clanfield

T: +44 (0) 20 7710 7600

Peel Hunt LLP (Joint Broker) Richard Crichton / David McKeown / Georgia Langoulant T: +44 (0) 20 7418 8900

The information contained within this announcement is considered to be inside information prior to its release, as defined in Article 7 of the Market Abuse Regulation No. 596/2014 which is part of UK law by virtue of the European Union (Withdrawal) Act 2018.