International Tower Hill Mines Announces Results from 2018 Annual General and Special Meeting of Shareholders Vancouver, B.C……..

1177 West Hastings Street

Suite 2300

Vancouver, BC

Canada V6E 2K3

Tel: 604.683.6332

Fax: 604.408.7499

www.ithmines.com

NR18-05 May 31, 2018

International Tower Hill Mines Announces Results from

2018 Annual General and Special Meeting of Shareholders

Vancouver, B.C……..International Tower Hill Mines Ltd. (the “Company”) - (TSX: ITH) (NYSE American:

THM) announces the results from its 2018 Annual General Mee ting of shareholders held in Vancouver, B.C.

on Wednesday, May 30, 2018 (“Meeting”).

At the Meeting, the Company’s share holders fixed the size of the board at nine and elected the following

individuals as directors of the Company, with all receiving a majority of the votes cast, as follows:

Director Votes For Votes Withheld

Damola Adamolekun 127,034,897 (99.60%) 506,042 (0.40%)

Anton J. Drescher 126,948,082 (99.54%) 592,857 (0.46%)

John J. Ellis 127,123,484 (99.67%) 417,455 (0.33%)

Karl L. Hanneman 127,222,134 (99.75%) 318,805 (0.25%)

Stuart A. Harshaw 127,068,934 (99.63%) 472,005 (0.37%)

Thomas E. Irwin 127,151,334 (99.69%) 389,605 (0.31%)

Marcelo Kim 127,166,214 (99.71%) 374,725 (0.29%)

Stephen A. Lang 127,166,284 (99.71%) 374,655 (0.29%)

Thomas S. Weng 127,173,784 (99.71%) 367,155 (0.29%)

The shareholders re-appointed the current auditors, Davidson & Company LLP, Chartered Accountants, as

auditors of the Company for the fiscal year ending D ecember 31, 2018 and authorized the directors to fix

their remuneration.

The shareholders approved, on an advisory non-bindi ng basis (“Say on Pay”), the compensation paid to the

Company’s executive officers (99% majority) and re-approved (78% majority), the Company’s 2006

Incentive Stock Option Plan and any unallocated options thereunder for a further three years.

The detailed proxy voting on all resoluti ons submitted to the shareholders at the Meeting is contained in the

“Report of Voting Results” for the Meeting which will be available under the Company’s profile on SEDAR

and on the Company’s website or upon request by contacting the Company at 1-855-428-2825.

International Tower Hill Mines Ltd. - 2 - May 31, 2018

NR18-05 Continued

About International Tower Hill Mines Ltd.

International Tower Hill Mines Ltd. controls 100% of the Livengood Gold Project located along the paved

Elliott Highway, 70 miles north of Fairbanks, Alaska.

On behalf of

International Tower Hill Mines Ltd.

(signed) Karl L. Hanneman

Chief Executive Officer

Contact Information: Richard Solie, Jr., Manager - Investor Relations

E-mail: [email protected]

Direct line: 907-328-2825 Toll-Free: 1-855-428-2825

This news release is not, and is not to be construed in any way as, an o ffer to buy or sell securities in the

United States.