Tethys Petroleum — Proxy Solicitation & Information Statement 2025

Jun 18, 2025

TMX

THE FUTURE IS YOURS TO SEE.

TSX TRUST COMPANY

VIA ELECTRONIC TRANSMISSION

June 18, 2025

TO ALL APPLICABLE EXCHANGES AND COMMISSIONS:

RE: TETHYS PETROLEUM LIMITED
Confirmation of Notice of Record and Meeting Dates

We are pleased to confirm that Notice of Record and Meeting Dates was sent to The Canadian Depository for Securities.

We advise the following with respect to the upcoming Annual Meeting of Security Holders for the subject issuer:

1. ISIN: KYG876361257
2. CUSIP: G87636125
3. Date Fixed for the Meeting: August 11, 2025
4. Record Date for Notice: June 30, 2025
5. Record Date for Voting: June 30, 2025
6. Beneficial Ownership Determination Date: June 30, 2025
7. Classes or Series of Securities that entitle the holder to receive Notice of the Meeting: ORDINARY SHARES
8. Classes or Series of Securities that entitle the holder to vote at the meeting: ORDINARY SHARES
9. Business to be conducted at the meeting: Annual
10. Notice-and-Access:
11. Registered Shareholders: YES
12. Beneficial Holders: YES
13. Stratification Level: Not Applicable
14. Reporting issuer is sending proxy-related materials directly to Non-Objecting Beneficial Owners: YES
15. Issuer paying for delivery to Objecting Beneficial Owners: NO

Yours truly,
TSX Trust Company

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