International Tower Hill Mines Files NI 43-101 Technical Report for Livengood Gold Project

Suite 2710 – 200 Granville Street

Vancouver, BC

Canada V6C 1S4

Tel: 604.683.6332

Fax: 604.408.7499

www.ithmines.com

NR21-08 December 20, 2021

International Tower Hill Mines Files

NI 43-101 Technical Report for Livengood Gold Project

Vancouver, British Columbia, December 20, 2021 – International Tower Hill Mines Ltd. (“ITH” or the

“Company”) (TSX: ITH; NYSE-MKT: THM) is pleased to announce that it has filed a National

Instrument 43-101 (" NI 43-101 ") Technical Report entitled “ Livengood Gold Project NI 43-101

Technical Report on Pre-Feasibility Study ” with an effective date of December 17, 2021 (the

“Technical Report”). The Technical Report is available for review on SEDAR ( www.sedar.com)

and on the Company’s website (www.ithmines.com).

The results of the Technical Report, supporting the findings of a Pre-Feasibility Study on the

Company’s 100% owned Livengood Go ld Project in central Alaska, were originally presented in a

news release dated November 4, 2021, which is also available fo r review on SEDAR and the

Company’s website.

International Tower Hill Mines Ltd. (www.ithmines.com)

On behalf of

International Tower Hill Mines Ltd.

(signed) Karl Hanneman

Chief Executive Officer

Contact Information: Richard J. Solie, Manager - Investor Relat ions

E-mail: [email protected]

Direct line: 907.328.2825

Toll-Free: 855.428.2825

Cautionary Note Regarding Forward-Looking Statements

This news release is not, and is not to be construed in any way as, an offer to buy or sell securities in the United States.