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Entity Subsidiaries

: Idemitsu Kosan Co., Ltd.

Subsidiary	Percentage	From	To
Fuji Oil Company Ltd.	6.66%	01/2021	12/2050	Details
NGHI SON REFINERY AND PETROCHEMICAL LLC	35.10%	10/2013	12/2050	Details
Showa Yokkaichi Sekiyu Co Ltd	100.00%	04/2019	12/2050	Details
Toa Oil Co., Ltd.	50.12%	03/2017	12/2050	Details