Mr. Jason Kosec reports

INTEGRA ANNOUNCES CLOSING OF ROYALTY TRANSACTION WITH WHEATON PRECIOUS METALS AND RECEIPT OF FIRST CASH INSTALLMENT OF US$4.875 MILLION

Integra Resources Corp. has closed the previously announced royalty transaction between its wholly owned subsidiary, DeLamar Mining Company, and Wheaton Precious Metals (Cayman) Co., a wholly owned subsidiary of Wheaton Precious Metals Corp., pursuant to which Wheaton acquired a 1.5-per-cent net smelter return royalty on metal production from all claims of the DeLamar and Florida Mountain deposit for an aggregate cash purchase price of $9.75-million (U.S.), to be paid in two instalments. Integra Resources has received the first instalment of $4,875,000 (U.S.) and expects to receive the second instalment of $4,875,000 (U.S.) in approximately four months, subject to certain closing conditions. The net proceeds from the transaction will be used for the continued development of DeLamar, including work to support a feasibility study and the advancement of the National Environmental Policy Act permitting process in the United States.

Integra Resources' president, chief executive officer and director, Jason Kosec, commented: "We are pleased to close the royalty transaction with Wheaton and receive the first instalment payment of $4,875,000 (U.S.), which will be used directly for the advancement of DeLamar toward a construction decision. The transaction represents a significant endorsement for both the quality of the DeLamar project and the team at Integra. We would like to thank Wheaton for the continued support in helping us achieve our ultimate goal of becoming a leading [United States]-focused gold and silver producer."

Qualified person

The scientific and technical information contained in this news release has been reviewed and approved by Raphael Dutaut, PhD (PGeo), Integra Resources' vice-president, exploration. Mr. Dutaut is a qualified person as defined in National Instrument 43-101 (Standards of Disclosure for Mineral Projects).

DeLamar project overview

The past-producing DeLamar project, which includes the adjacent DeLamar and Florida Mountain gold and silver deposits, is located in Owyhee county in southwest Idaho. Since acquiring the project in 2017, the company has demonstrated significant resource growth and conversion while demonstrating robust economic studies in its maiden preliminary economic assessment and preliminary feasibility study. An independent technical report for the DeLamar project has been prepared in accordance with the requirements of National Instrument 43-101 and is available under the company's profile at SEDAR+.

About Integra Resources Corp.

Integra Resources is one of the largest precious metal exploration and development companies in the Great basin of the western United States. Integra Resources is currently focused on advancing its two flagship oxide heap leach projects: the past-producing DeLamar project located in southwestern Idaho and the Nevada North project, composed of the Wildcat and Mountain View deposits, located in northwestern Nevada. The company also holds a portfolio of highly prospective early-stage exploration projects in Idaho, Nevada and Arizona. Integra Resources' long-term vision is to become a leading United States-focused mid-tier gold and silver producer.

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