Investment holding company Seroja Investments announced, that its subsidiary PT Pulau Seroja Jaya, has secured a new four-year coal transportation contract with Indonesian energy group PT Maritim Barito Perkasa, an indirectly owned subsidiary of coal producer PT Adaro Energy Tbk(IDX: ADRO). The new agreement will expire on Aug 31, 2019, with an option for both parties to extend the agreement for another three years. Under the new agreement, Pulau Seroja Jaya is expected to transport about seven million metric tons of coal a year for the next four years from the Adaro coal mines, which will generate an estimated cumulative revenue of US$48 million for the four-year period from 2016 to 2019.