Discovery Silver Corp. — Proxy Solicitation & Information Statement 2026

Apr 13, 2026

TMX

THE FUTURE IS YOURS TO SEE.

TSX TRUST COMPANY

VIA ELECTRONIC TRANSMISSION

April 13, 2026

TO ALL APPLICABLE EXCHANGES AND COMMISSIONS:

RE: DISCOVERY SILVER CORP
Confirmation of Notice of Record and Meeting Dates

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

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

1. ISIN: CA2546771072
   CUSIP: 254677107

2. Date Fixed for the Meeting: June 22, 2026

3. Record Date for Notice: May 13, 2026
4. Record Date for Voting: May 13, 2026
5. Beneficial Ownership Determination Date: May 13, 2026
6. Classes or Series of Securities that entitle the holder to receive Notice of the Meeting: COMMON SHARES
7. Classes or Series of Securities that entitle the holder to vote at the meeting: COMMON SHARES

8. Business to be conducted at the meeting: Annual and Special

9. Notice-and-Access:

10. Registered Shareholders: YES
11. Beneficial Holders: YES

12. Stratification Level: Not Applicable

13. Reporting issuer is sending proxy-related materials directly to Non-Objecting Beneficial Owners: NO

14. Issuer paying for delivery to Objecting Beneficial Owners: NO

Yours truly,
TSX Trust Company

VANCOUVER
733 Seymour Street,
Suite #2310
Vancouver, BC V6B 0S6
T 604 689-3334

CALGARY
Telus Sky Building
2110, 685 Centre Street SW
Calgary Alberta T2G 1S5
T 403 218-2800

TORONTO
301 - 100 Adelaide Street West
Toronto ON M5H 4H1
Toll Free 1-866-600-5869
T 416 361-0930

MONTRÉAL
1701 - 1190, avenue des
Canadiens-de-Montréal, C. P. 37
Montréal (Québec) H3B 0G7
T 514 395-5964