Mr. Daniel Earle reports

SOLARIS RESOURCES ANNOUNCES $35 MILLION COMMON SHARE BOUGHT DEAL OFFERING

Solaris Resources Inc. has entered into an agreement with certain underwriters, pursuant to which the underwriters have agreed to purchase, on a bought deal basis, 7.15 million common shares of the company at a price of $4.90 per common share, for aggregate gross proceeds of approximately $35,035,000.

The company has also granted the underwriters an option to purchase up to an additional 1,072,500 common shares, representing 15 per cent of the size of the offering, on the same terms and conditions, exercisable in whole or in part up to 30 days after the closing of the offering. If the overallotment option is exercised in full, the company will receive additional gross proceeds of $5,255,250, for aggregate gross proceeds from the offering of $40,290,250.

The net proceeds of the offering, inclusive of the overallotment option if exercised, will be used to finance an expanded exploration and infill drilling program at the company's flagship Warintza project in southeastern Ecuador, together with enhanced regional exploration activities, including fieldwork on 10 new exploration concessions that were recently awarded to the company, and for working capital and general corporate purposes.

The common shares will be offered in all provinces of Canada, except for Quebec, by way of a short form prospectus, and in the United States to qualified institutional buyers pursuant to an exemption from registration requirements under the United States Securities Act of 1933, as amended, and in such other jurisdictions outside of Canada in accordance with applicable law.

The offering is expected to close on or about June 10, 2024, and is subject to certain conditions, including, but not limited to, the receipt of all necessary corporate and regulatory approvals, including the approval of the Toronto Stock Exchange and NYSE American LLC.

All dollar amounts are expressed in Canadian dollars.

The preliminary short form prospectus and any applicable amendment to the documents will be accessible through SEDAR+. Copies of the documents may be obtained from National Bank Financial Inc. by phone at 416-869-6534 or by e-mail at NBF-Syndication@bnc.ca, from RBC Dominion Securities Inc. by phone at 416-842-5349 or by e-mail at distribution.rbcds@rbccm.com, or from BMO Nesbitt Burns Inc., Brampton Distribution Centre, care of The Data Group of Companies, by phone at 905-791-3151, extension 4312, or by e-mail at torbramwarehouse@datagroup.ca.

About Solaris Resources Inc.

Solaris is advancing a portfolio of copper and gold assets in the Americas, which includes a world-class copper resource with expansion and discovery potential at its Warintza project in Ecuador, a series of grassroots exploration projects with discovery potential in Peru and Chile, and significant leverage to increasing copper prices through its 60-per-cent interest in the La Verde joint venture project with a subsidiary of Teck Resources in Mexico.

We seek Safe Harbor.