BRN · Barnwell Industries Inc

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.

Represents a restricted stock award to Mr. Patman pursuant to a grant by the Board of Directors of Barnwell Industries, Inc. on December 10, 2025. The restricted stock unit award vests in one installment on September 30, 2026.

Represents a restricted stock award to Mr. Grossman pursuant to a grant by the Board of Directors of Barnwell Industries, Inc. on December 10, 2025. The restricted stock unit award vests in one installment on September 30, 2026.

Represents a restricted stock award to Mr. Horowitz pursuant to a grant by the Board of Directors of Barnwell Industries, Inc. on December 10, 2025. The restricted stock unit award vests in one installment on September 30, 2026.

Represents a restricted stock unit award to a non-employee director made pursuant to a grant by the Board of Directors of Barnwell Industries, Inc. on December 3, 2025.

The price reported represents a weighted average price. These shares were sold for a price of $1.10 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported represents a weighted average price. These shares were sold for a price of $1.14 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The shares were sold for a price of $1.14 per share. The Reporting Persons undertake 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.

Shares are held by the Ned L. Sherwood Revocable Trust, of which Mr. Sherwood is the sole trustee and beneficiary. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

These shares were acquired in connection with a private placement by the issuer.

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.

These shares were acquired in connection with a private placement by the issuer.

Represents an incentive stock option award to Mr. Patman in his capacity as Executive Vice President - Finance pursuant to a grant by the Compensation Committee and the Board of Directors of Barnwell Industries, Inc. on October 27, 2025. The shares of common stock underlying this stock option shall vest in three installments as follows: 34% on 10/27/26; 33% on 10/27/27; 33% on 10/27/28.

Represents a restricted stock unit award to Mr. Patman in his capacity as Executive Vice President - Finance pursuant to a grant by the Compensation Committee and the Board of Directors of Barnwell Industries, Inc. on October 27, 2025. The restricted stock unit award vests in three installments as follows: 34% on 10/27/26; 33% on 10/27/27; 33% on 10/27/28.

Represents a stock award to Mr. Patman in his capacity as Executive Vice President - Finance pursuant to a grant by the Compensation Committee and the Board of Directors of Barnwell Industries, Inc. on October 27, 2025.

Represents a restricted stock unit award to a non-employee director made pursuant to a grant by the Board of Directors of Barnwell Industries, Inc. on October 8, 2025.

Represents a restricted stock unit award to a non-employee director made pursuant to a grant by the Board of Directors of Barnwell Industries, Inc. on October 8, 2025.

Represents a restricted stock unit award to a non-employee director made pursuant to a grant by the Board of Directors of Barnwell Industries, Inc. on October 8, 2025.

Represents a common stock award to a non-employee director made pursuant to a grant by the Board of Directors of Barnwell Industries, Inc. on September 30, 2025.

Represents a common stock award to a non-employee director made pursuant to a grant by the Board of Directors of Barnwell Industries, Inc. on September 29, 2025.

Represents a restricted stock unit award made pursuant to a grant by the Compensation Committee of the Board of Directors of Barnwell Industries, Inc. on January 9, 2025 as a component of the Reporting Person's annual compensation. The grant will vest annually in equal installments beginning on January 9, 2026.

Represents a restricted stock unit award made pursuant to a grant by the Compensation Committee of the Board of Directors of Barnwell Industries, Inc. on January 9, 2025 as a bonus to the Reporting Person. The grant will vest annually in equal installments beginning on January 9, 2026.

Represents a restricted stock unit award to a non-employee director made pursuant to a grant by the Board of Directors of Barnwell Industries, Inc. on October 24, 2024.

Represents a restricted stock unit award to a non-employee director made pursuant to a grant by the Board of Directors of Barnwell Industries, Inc. on October 24, 2024.

Represents a restricted stock unit award to a non-employee director made pursuant to a grant by the Board of Directors of Barnwell Industries, Inc. on October 24, 2024.

Represents a restricted stock unit award to a non-employee director made pursuant to a grant by the Board of Directors of Barnwell Industries, Inc. on October 24, 2024.

The price reported represents a weighted average of the per share price for the shares purchased on August 23, 2024. These shares were purchased in multiple transactions at prices ranging from $2.25 to $2.32 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.

The price reported represents a weighted average of the per share price for the shares purchased on August 21, 2024. These shares were purchased in multiple transactions at prices ranging from $2.21 to $2.27 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.

The price reported represents a weighted average price. These shares were purchased for a price of $2.89 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported represents a weighted average price. These shares were purchased for a price of $2.85 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported represents a weighted average price. These shares were purchased for a price of $2.80 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported represents a weighted average price. These shares were purchased for a price of $2.85 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported represents a weighted average price. These shares were purchased for a price of $2.84 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported represents a weighted average price. These shares were purchased for a price of $2.81 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

Represents a restricted stock unit award made pursuant to a grant by the Compensation Committee of the Board of Directors of Barnwell Industries, Inc. on May 16, 2024. The grant will vest annually in equal installments beginning on May 16, 2025.

The price reported represents a weighted average price. These shares were purchased for a price of $2.84 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported represents a weighted average price. These shares were purchased for a price of $2.80 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported represents a weighted average price. These shares were purchased for a price of $2.79 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported represents a weighted average price. These shares were purchased for a price of $2.80 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported represents a weighted average price. These shares were purchased for a price of $2.71 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported represents a weighted average price. These shares were purchased for a price of $2.89 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported represents a weighted average price. These shares were purchased for a price of $2.80 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported represents a weighted average price. These shares were purchased for a price of $2.80 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported represents a weighted average price. These shares were purchased for a price of $2.78 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported represents a weighted average price. These shares were purchased for a price of $2.74 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported represents a weighted average price. These shares were purchased for a price of $2.67 per share. The Reporting Persons undertake 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.

Shares are held by MRMP-Managers LLC, of which Mr. Sherwood is Chief Investment Officer. Mr. Sherwood disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.22 to $2.25, inclusive, on February 29, 2024, prices ranging from $2.25 to $2.27, inclusive, on March 1, 2024, and prices ranging from $2.26 to $2.27, inclusive, on March 4, 2024. The reporting person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

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 position with Palm Global and Palm Management (US) LLC, the Reporting Person 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 the Reporting Person expressly disclaim such beneficial ownership except to the extent of his pecuniary interest therein.