State-owned energy firm Pertamina plans to spend about $6.77 billion in 2013 to increase its production and strengthen its energy infrastructure. Of the total amount, about 46 per cent ($3.1 billion) will be utilised for the development of its oil and gas upstream sector, with 9.5 per cent ($638 million) and 6.5 per cent ($437 million) allocated to its refinery business and gas sector, respectively. The remaining 38 per cent ($2.59 billion) will be used for marketing, trading, and other business activities.