Goldsky Resources — Proxy Solicitation & Information Statement 2025

Mar 17, 2025

INTERNATIONAL TOWER HILL MINES LTD

Suite 1570
200 Burrard Street
Vancouver, BC
Canada V6C 3L6

TEL 604.683.6332
FAX 604.408.7499
www.ithmines.com
TSX: ITH | NYSE-A: THM

Date: March 17, 2025

VIA SEDAR+

To: All Canadian Securities Regulatory Authorities

Subject: International Tower Hill Mines Ltd. (the "Issuer")

Dear Sir/Madam:

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

Meeting Type: Annual General Meeting
Record Date for Notice of Meeting: April 16, 2025
Record Date for Voting (if applicable): April 16, 2025
Beneficial Ownership Determination Date: April 16, 2025
Meeting Date: June 4, 2025
Meeting Location: McCarthy Tetrault LLP
Suite 2400 – 745 Thurlow Street
Vancouver, BC V6E 0C5

Issuer sending proxy related materials directly to NOBO: No
Issuer paying for delivery to OBO: No

Notice and Access (NAA) Requirements:
NAA for Beneficial Holders: Yes
Beneficial Holders Stratification Criteria: Not Applicable
NAA for Registered Holders: Yes
Registered Holders Stratification Criteria: Not Applicable

Voting Security Details:

Description	CUSIP	ISIN
COMMON SHARES	46050R102	CA46050R1029

Yours truly,

INTERNATIONAL TOWER HILL MINES LTD.

"Debbie Evans"

Corporate Secretary

cc: Robin Mahood, McCarthy Tetrault (via email)
Pamela Hosfield, Computershare Investor Services Inc. (via email)
NYSE-American (via email)
Paul Hilton, Hogan Lovells US LLP (via email)