This document provides an overview of Indonesia's gas resources, including conventional reserves, coal bed methane resources, and shale gas resources. It analyzes data from various assessments of Indonesia's prospective gas resources conducted between 2005-2012, finding estimates ranging from 136-368 TCF. The document recommends that Indonesia adopt the SPE resource classification system to report reserves as proven, probable and possible. It also recommends Indonesia provide annual assessments of contingent and prospective resources, and carry out its own technical assessments of coal bed methane and shale gas prospective resources.