国際協力銀行
KazMunayGas has a US$1.7 billion plan for the modernization of the Atyrau refinery. In August 2012, it obtained a US$297.5 million loan from the Japan Bank for International Cooperation and the Bank of Tokyo Mitsubishi a deep oil refining complex at the Atyrau Oil Refinery. This loan followed a contract awarded to Marubeni to reinforce the production of oil products to suit European environmental standards.