Exhibit 99.1 BARNWELL INDUSTRIES, INC. Barnwell Industries, Inc. Reports Results for its Third Quarter Ended June 30, 2025 together with the receipt of $2,300,000 of cash for U.S. oil and natural gas properties sale HONOLULU, HAWAII, August 13, 2025 -- Barnwell Industries, Inc. (NYSE American: BRN) today reported financial results for its third quarter ended June 30, 2025. For the quarter, the Company had revenue from continuing operations of$3,192,000 and a net loss from continuing operations of $1,550,00 ...