INTEGRA REPORTS RECORD MINING AND ORE-STACKING RATES AT FLORIDA CANYON, 30% INCREASE IN SECOND QUARTER GOLD PRODUCTION

INTEGRA REPORTS RECORD MINING AND ORE-STACKING RATES AT FLORIDA CANYON, 30% INCREASE IN SECOND QUARTER GOLD PRODUCTION PR Newswire TSXV: ITR; NYSE American: ITRG www.integraresources.com VANCOUVER, BC , July 23, 2026 /PRNewswire/ -- Integra Resources Corp. ("Integra" or the "Company") (TSXV: ITR) (NYSE American: ITRG) is pleased to provide an interim operational update for the second quarter ended June 30, 2026. Florida Canyon produced 16,379 ounces of gold during the quarter, a 30% increase from the first quarter of 2026. The increase in gold production was supported by record total material movement, including a 47% increase in ore mined and a 45% increase in ore placed on the heap leach pads quarter-over-quarter.

With significantly more ore being placed on the heap leach pad in the second half of this year, the Company expects gold production to increase in the third and fourth quarters and is maintaining full-year gold production guidance of 70,000 to 75,000 ounces. The Company plans to release its second quarter 2026 financial results after market close on Tuesday, August 11, 2026, followed by a conference call hosted by senior management on Wednesday, August 12, 2026 at 10:00 AM Eastern Time / 7:00 AM Pacific Time.  (All amounts in United States ("U.S.") dollars as at June 30, 2026, unless otherwise stated.) Q2 2026 Operational Highlights: Key Operating Metric Improvements Quarter-over-Quarter 1 : 30% increase in gold produced 16% increase in total tonnes mined 47% increase in ore mined 45% increase in ore placed on heap leach pads 21% increase in processed grade 38% decrease in strip ratio 8% decrease in waste mined The Company mined 4.4 million ("M") tonnes of ore and 3.6 M tonnes of waste at a strip ratio of 0.81 at the Florida Canyon Mine ("Florida Canyon" or the "Mine"). As a result, mining rates averaged 87,867 total tonne