PNOC EC- COC No. 41 Zamboanga Sibugay Coal ProjectProject Description: PNOC EC conducts exploration activities in COC 41 within the Malangas Coal Reservation in Zamboanga Sibugay, which includes Sta. Barbara-Little Baguio-Malongon, and Area 1-Gotas areas. PNOC EC also supervises several small scale coal mining permittees within the concession area.litle baguio mine coal,PNOC EC- Coal Marketing & TradingUnfavorable market conditions and the high production cost in COC 41 made it difficult for the coal to compete in the market and led to Management's decision to cease production in the Integrated Little Baguio (ILB) Mines 1 and 2 in 2013. On the one hand, PNOC EC's coal marketing and trading business continued to.