Drilling Begins at West Acis-2 Well Offshore Malaysia

ROC advises that BC Petroleum Sdn Bhd (“BCP”), the company incorporated to operate and manage the Balai Cluster Risk Service Contract (“RSC”) in Malaysia, commenced drilling the West Acis-2 well at 0230 hours (Malaysian time) on 28 March 2013.

West Acis-2 is the fourth well in the pre-development phase drilling programme in the Balai Cluster. At 0630 hours (Malaysian time) on 28 March 2013 the well was drilling ahead at a measured depth of approximately 250 metres.

West Acis-2 is located in the West Acis field, offshore East Malaysia, and has a planned target total depth of approximately 2,440 metres subsea.

The Balai Cluster RSC consists of four fields: Balai, Bentara, West Acis and Spaoh. The pre-development phase commenced early 2012 and is expected to be completed during 2013. On successful completion of the pre-development phase and agreement on the economic viability of the fields, BCP will submit a field development plan and progress to development of the fields.

Shareholders of BCP are ROC (48%), Dialog Group (32%) and PETRONAS Carigali (20%)