Exhibit 99.1 Form 3 Joint Filer Information Name: Karlin Holdings Limited Partnership Address: 11755 Wilshire Blvd., Suite 1400 Los Angeles, CA 90025 Date of Event Requiring Statement: 09/17/19 Name: Karlin Energy, LLC Address: 11755 Wilshire Blvd., Suite 1400 Los Angeles, CA 90025 Date of Event Requiring Statement: 09/17/19 Name: Gracie Investing, LLC Address: 11755 Wilshire Blvd., Suite 1400 Los Angeles, CA 90025 Date of Event Requiring Statement: 09/17/19 Name: Gary Karlin Michelson MD Living Trust dated 10/1/1993 Address: 11755 Wilshire Blvd., Suite 1400 Los Angeles, CA 90025 Date of Event Requiring Statement: 09/17/19 Name: Gary Karlin Michelson Address: 11755 Wilshire Blvd., Suite 1400 Los Angeles, CA 90025 Date of Event Requiring Statement: 09/17/19