Exhibit 99.1
JOINT FILING AGREEMENT
In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including additional amendments thereto) with respect to the Common Stock, $0.50 par value, of Barnwell Industries, Inc. a Delaware corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
| JCP Investment Partnership, LP | ||
| By: |
/s/ James C. Pappas |
|
| James C. Pappas, Managing Member of JCP Investment Management, LLC, its Investment Manager | ||
| Date: | 04/17/2026 | |
| JCP Investment Partners, LP | ||
| By: |
/s/ James C. Pappas |
|
| James C. Pappas, Sole Member of JCP Investment Holdings, LLC, its General Partner | ||
| Date: | 04/17/2026 | |
| JCP Investment Holdings, LLC | ||
| By: |
/s/ James C. Pappas |
|
| James C. Pappas, Sole Member | ||
| Date: | 04/17/2026 | |
| JCP Investment Management, LLC | ||
| By: |
/s/ James C. Pappas |
|
| James C. Pappas, Managing Member | ||
| Date: | 04/17/2026 | |
| Pappas James C | ||
| By: |
/s/ James C. Pappas |
|
| James C. Pappas | ||
| Date: | 04/17/2026 | |