August 30, 2013 Conclusion of Memorandum to Discuss Collaboration Opportunities at Cosmo Oil Chiba Refinery and Kyokuto Petroleum Industries Chiba Refinery (PDF : )
March 26, 2013 Notice of Resolutions Adopted at the Ordinary General Meeting of Shareholders (PDF : )
March 26, 2013 Items Pertaining to Status as "Other Affiliated Company (Controlling Shareholder, etc.)" (PDF : )
February 21, 2013 Abolition of Directors Retirement Benefits Program and Introduction of Stock Compensation-Type Stock Options (PDF : )