Founded in 2012, Whistler Energy II, LLC, is a privately owned oil and gas company with producing assets at Green Canyon Block 18 and 60, in the US Gulf of Mexico.  Whistler Energy II is dedicated to cost-efficient operations and prefers working near existing infrastructure for quick tie-in and early cash flow.

Whistler Energy II, LLC is majority owned and controlled by Apollo Funds based in New York.   As of June 30, 2017, Apollo credit funds had total assets under management of approximately $151 billion across six areas defined as U.S. Performing Credit, Structured Credit, Opportunistic Credit, Non-Performing Loans, European Credit, and Athene Asset Management.