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International Tower Hill Mines Closes Upsized US$115 Million Equity Financing, including Full Exercise of Underwriters’ Option

Financings Mergers & Acquisitions

200 Burrard Street

Suite 1570

Vancouver, BC Canada

V6C 3L6

Tel: 604.683.6332

Fax: 604.408.7499

www.ithmines.com

NR26-03 January 27, 2026

International Tower Hill Mines Closes Upsized US$115 Million Equity Financing,

including Full Exercise of Underwriters’ Option

Vancouver, British Columbia, January 27, 2026 – International Tower Hill Mines Ltd. (the “Company”) - (TSX:

ITH) (NYSE American: THM) today announced that it has closed its previously announced upsized public

offering (the “Offering”) of 33,672,000 common shares, no par value, of the Company (the “Common Shares”),

which includes 4,392,000 Common Shares issued pursuant to the full exercise by the Underwriters (as defined

below) of their option to purchase additional Common Shares. The Offering was priced at a price to the public

of US$2.22 per Common Share, resulting in gross proceeds of US$74.8 million to the Company, before

deducting underwriting discounts and estimated offering expenses. Concurrent with the closing of the Offering,

the Company closed its US$40 million private placement (the “Concurrent Private Placement”) of 18,018,018

Common Shares to Paulson & Co. Inc. at the public offering price of the Offering, resulting in total gross

proceeds from the Offering and the Concurrent Private Placement to the Company of US$114.8 million.

The Company expects to use the net proceeds of the Offering and the Concurrent Private Placement to fund

the exploration and development of the Livengood Gold Project, including drilling, metallurgical studies,

feasibility studies, technical studies, basel ine environmental studies, detailed engineering in support of

permitting, permitting, legal support, community engagement, mineral lease and land payments, acquisitions

and general corporate purposes.

BMO Capital Markets acted as lead book -running manager and National Bank of Canada Capital Markets,

RBC Capital Markets, Cantor and Scotiabank acted as book -running managers (collectively, the

“Underwriters”) for the Offering.

The Offering to the public in the United States was made pursuant to the Company’s effective shelf registration

statement on Form S -3, including a base prospectus, previously filed with the Securities and Exchange

Commission (the “SEC”). The Offering in the United States was made only by means of a prospectus and

related prospectus supplement meeting the requirements of Section 10 of the Securities Act of 1933, as

amended. You may obtain these documents for free by visiting EDGAR on the SEC’s website at www.sec.gov.

Alternatively, copies of the prospectus supplement and the base prospectus may be obtained from BMO

Capital Markets Corp., Attn: Equity Syndicate Department, 151 W 42nd Street, 32nd Floor, New York, NY

10036. The Offering was also conducted in Canada and in offshore jurisdictions on a private placement basis

in accordance with applicable securities laws. The Company relied on the exemption in section 602.1 of the

TSX Company Manual in respect of the Offering and the Concurrent Private Placement, w hich provides that

the TSX will not apply its standards to certain transactions involving eligible interlisted issuers listed on a

recognized exchange, including NYSE American.

On January 27, 2026, after the closing of the Offering, Paulson subscribed to purchase an additional 1,501,982

Common Shares (“Additional Paulson Shares”) at a price per Common Share of US$2.22, for additional

proceeds of $3.3 million to the Company, representing a proportional increase to Paulson’s investment to

account for the upsize in the Offering and exercise of the corresponding Underwriters’ option (the “Subsequent

Private Placement,” and together with the Concurrent Private Placement, the “Private Placement”“). The

consummation of the Subsequent Private Placement is subject to customary closing conditions, including

applicable stock exchange approvals. The sale of the Additional Paulson Shares will not be registered under

the Securities Act of 1933, as amended. The proceeds of the Subsequent Private Placement will be used for

the same purpose as the proceeds of the Offering and the Concurrent Private Placement. The Company

International Tower Hill Mines Ltd. - 2 - January 27, 2026

NR26-03 Continued

intends to rely on the exemption in section 602.1 of the TSX Company Manual in respect of the Subsequent

Private Placement, which provides that the TSX will not apply its standards to certain transactions involving

eligible interlisted issuers listed on a recognized exchange, including NYSE American.

As Paulson and certain of the institutional shareholders who participated in the Offering are related parties of

the Company within the meaning of Multilateral Instrument 61 -101 Protection of Minority Security Holders in

Special Transactions (“MI 61- 101”), the issuance of Common Shares to such investors were “related party

transactions” within the meaning of MI 61- 101. The Company has relied on exemptions from the formal

valuation and minority shareholder approval requirements of MI 61-101 on the basis that the fair market value

of the Common Shares issued to such persons does not exceed 25% of the Company’s current market

capitalization. The Company has not filed a material change report more than 21 days before the expected

closing of the Private Placement and Offering as the details of the Private Placement and Offering were only

finalized shortly before the closing of the Private Placement and the Offering.

This news release does not constitute an offer to sell or the solicitation of an offer to buy Common Shares, nor

shall there be any sale of these securities in any jurisdiction in which such offer, solicitation or sale would be

unlawful prior to registration or qualification under the securities laws of any such jurisdiction.

Cautionary Note Regarding Forward-Looking Statements

Statements in this press release that are not statements of historical or current fact constitute “forward-looking

statements” within the meaning of the U.S. Private Securities Litigation Reform Act of 1995, as amended,

Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of

1934, as amended, and “forward- looking information” within the meaning of applicable Canadian securities

laws (collectively, “forward-looking statements”). Such forward-looking statements involve known and unknown

risks, uncertainties, and other factors that could cause the actual results of the Company to be materially

different from historical results or from any future results expressed or implied by such forward -looking

statements. In addition to statements which explicitly describe such risks and uncertainties, readers are urged

to consider statements containing the terms “intends,” “estimates,” “may,” “might”, “will,” or other similar

expressions to be uncertain and forward-looking. Readers are cautioned not to place undue reliance on these

forward-looking statements, which speak only as of the date of this press release. The forward -looking

statements in this press release include statements regarding: the closing of the Subsequent Pr ivate

Placement; the anticipated use of proceeds; and the occurrence of the expected benefits from the anticipated

use of proceeds. Actual results and the timing of events could differ materially from those anticipated in such

forward-looking statements as a result of various risks and uncertainties, including, without limitation: (i) that

the current exploration, development, environmental and other objectives concerning the Livengood Gold

Project can be achieved and that the Company’s other corporate acti vities will proceed as expected and (ii)

that general business and economic conditions will not change in a materially adverse manner; and (iii) that

permitting and operations costs will not materially increase. The foregoing list of important factors that could

cause actual events to differ from expectations should not be construed as exhaustive and should be read in

conjunction with statements that are included herein and elsewhere, including the risk factors detailed in the

“Forward-Looking Statements,” “Risk Factors” and “Management's Discussion and Analysis of Financial

Condition and Results of Operations” sections of the Company's Annual Report on Form 10- K for the fiscal

year ended December 31, 2024, Quarterly Report on Form 10 -Q for the quarterly per iod ended March 31,

2025, the Quarterly Report on Form 10- Q for the quarterly period ended June 30, 2025 and the Quarterly

Report on Form 10-Q for the quarterly period ended September 30, 2025 and other documents that have been

and will be filed by the Company from time to time with the SEC and Canadian securities regulators. All forward-

looking statements contained in this press release speak only as of the date on which they were made. The

Company undertakes no obligation to update such statements to refl ect events that occur or circumstances

that exist after the date on which they were made, except as required by applicable securities laws.

About International Tower Hill Mines Ltd.

International Tower Hill Mines Ltd. - 3 - January 27, 2026

NR26-03 Continued

International Tower Hill Mines Ltd. has a 100% interest in its 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