By legal form

Domestic Limited Partnership / Limited Liability Limited Partnership

2 entities

1. DENALI ASSET MANAGEMENT LIMITED LIABILITY LIMITED PARTNERSHIP

   549300OO95G1LJH3BL56U.S. Virgin IslandsST. CroixLapsed - not renewed

2. XO ENERGY ICE, LP

   254900RA1MW9RL5H3Z22U.S. Virgin IslandsCHARLOTTE AMALIE

By legal form