- Ordinary income decreased from 71.6 billion yen in the first half of fiscal year 2014 to a loss of 27.7 billion yen in the first half of fiscal year 2015 due to inventory valuation losses from falling crude oil prices.
- Excluding inventory valuation effects, ordinary income increased from 71.6 billion yen to 91 billion yen due to improved performance in petrochemicals and metals businesses, despite declines in oil and gas exploration and petroleum products.
- Revenue decreased 16% to 4,552.6 billion yen as crude oil prices and the yen's strength negatively impacted performance.