Interpose Holdings Limited, formerly Sunbird Energy Limited, is an Australia-based company engaged in evaluation and explorat ... ion of coal bed methane (CBM) and other unconventional gas. The Company holds an interest in the existing offshore gas reserve known as the Ibhubesi Gas Project, which is located in southern Africa. The Company's segments include Exploration and Corporate. The Company's subsidiaries include Pretzavest 37 Pty Ltd, Greatways Holdings (BVI) Ltd, Sunbird Energy (SA) Pty Ltd, Sunbird Australia (Mozambique) Pty Ltd and Sunbird Energy (Ibhubesi) Pty Ltd. The principal activity of its subsidiaries is gas exploration and development. read more