Common stock, par value $0.50 per share

BARNWELL INDUSTRIES INC

1100 Alakea Street, Honolulu, HI, 96813

Information in Rows 11 to 13 of the cover page are incorporated into this Item 5(a) by reference. The Reporting Person's aggregate percentage beneficial ownership of the total amount of Common Stock outstanding is 6.2%, based on a total of 10,073,534 shares of Common Stock issued and outstanding as of August 11, 2025, as reported in the Issuer's quarterly report on Form 10-Q filed with the SEC on August 13, 2025. The Reporting Person disclaims beneficial ownership of all the shares of Common Stock included in this report, except to the extent of any pecuniary interest therein, and the filing of this report shall not be construed as an admission that any such person or entity is the beneficial owner of any such securities for purposes of Section 13(d) or 13(g) of the Exchange Act, or for any other purpose.

Information in Rows 7 to 10 of the cover page are incorporated into this Item 5(b) by reference.

The Reporting Person made the following open market purchases of shares of Common Stock during the past sixty days : Number of Transaction Shares Purchase Price Date Purchased Per Share 09/10/2025 5,000 $1.12 09/10/2025 325 $1.13 09/09/2025 3,153 $1.14 09/09/2025 5,000 $1.13 09/05/2025 6,000 $1.16 09/03/2025 5,000 $1.15 09/03/2025 5,000 $1.15 09/02/2025 1,923 $1.15 08/28/2025 99 $1.14 08/19/2025 1,590 $1.13 07/29/2025 400 $1.15 07/25/2025 519 $1.19 07/24/2025 700 $1.17 07/24/2025 4,200 $1.18 07/23/2025 200 $1.17 07/21/2025 6,000 $1.19 07/18/2025 87 $1.20 07/17/2025 5,209 $1.20 07/16/2025 6,000 $1.18 07/15/2025 6,500 $1.20 07/15/2025 5,000 $1.20 07/14/2025 5,000 $1.24 07/14/2025 7,490 $1.24

Not applicable.

Not applicable.