"I will sign [the documents]that will withdraw us from Opec," said Minister of Energy&Mineral Resources Purnomo Yusgiantoro.
Indonesian President Susilo Bambang Yudhoyono earlier in May said that the nation might pull out, given its weakening influence in the group.
For years, Indonesia has combined its oil and condensate production figures. Output in the past couple of months has averaged less than 860,000 barrels per day.
