The state-owned Petrobangla has signed a memorandum of understanding (MoU) with POSCO DAEWOO Corporation (PDC) to conduct exploration at deep sea gas Block No. 12 on Wednesday in the city. Petrobangla Director PSC Engineer Md Mahbub Sarowar and Jungoo Junn, exploration manager of PDC signed the deal on their respected side’s behalf. High officials of both sides were also present on the occasion.