X0609 4 2026-09-08 0 0000010048 BARNWELL INDUSTRIES INC BRN 0001612424 Horowitz Joshua false C/O PALM MANAGEMENT (US) LLC 19 WEST ELM STREET GREENWICH CT 06830 1 0 0 0 0 Common Stock 2026-09-08 4 P 0 10478 0.996 A 330187 I By Palm Global Small Cap Master Fund LP Common Stock 202221 D The price reported represents a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.9696 to $1.00 per share. The Reporting Person undertakes to provide to the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price. Palm Management (US) LLC, as the investment manager of Palm Global Small Cap Master Fund LP ("Palm Global"), may be deemed to be a beneficial owner of the shares of common stock disclosed as directly owned by Palm Global. Due to his positions as a portfolio manager and special limited partner of Palm Global and as an employee of Palm Management (US) LLC, Mr. Horowitz may be deemed to be a beneficial owner of the shares of common stock disclosed as directly owned by Palm Global. Palm Management (US) LLC and Mr. Horowitz expressly disclaim such beneficial ownership except to the extent of their pecuniary interest therein. Includes 77,878 unvested restricted stock units. /s/ Joshua Horowitz 2026-09-10