Cosmo Energy Holdings Co., Ltd.

Cosmo Oil announced on the 17th that it will begin utilizing naphtha co-produced in the SAF manufacturing process together with Maruzen Petrochemical, Ube-Maruzen Polyethylene, and SAFFAIRE SKY ENERGY. At the SAF production facility within Cosmo Oil's Sakai Refinery, naphtha obtained during the production of SAF from waste cooking oil will be utilized as a raw material for chemicals. SAFFAIRE SKY ENERGY will produce the naphtha, Cosmo Oil will supply it, Maruzen Petrochemical will produce basic chemicals, and Ube-Maruzen Polyethylene will produce polyethylene for development into plastic products. The four companies plan to expand supply volumes and develop applications going forward, aiming to contribute to decarbonization in the chemical, textile, and packaging sectors.

The consolidated earnings for the April–June 2026 quarter are in for Japan's three major oil refiners, and all three posted substantial net profits. The effective blockade of the Strait of Hormuz following the Middle East conflict that began in late February pushed up crude oil prices at the time of sale compared with procurement, boosting profits, and also generated inventory valuation gains. ENEOS Holdings and Cosmo Energy Holdings swung from net losses a year earlier to large net profits, while Idemitsu Kosan's net profit surged eightfold year on year.