New Corporate Commercial Focused on 'Create Light, Revitalize Industry' to be Released on May 23

Idemitsu Kosan Co., Ltd. (Headquarters: Chiyoda-ku, Tokyo; President and Representative Director: Noriaki Sakai; hereafter 'the Company') will release its new corporate commercials on May 23, 2026. Based on the catchphrase 'Create Light, Revitalize Industry,' derived from the company's name, these commercials depict the Company's commitment to creating value through its business and contributing widely to society.

In these commercials, the protagonist riding a horse represents the Company, delivering the light generated through its business to society and the people living within it.

Even in an uncertain society, the Company strives not only to fulfill its mission but also to generate new value. Furthermore, it seeks to co-create with like-minded partners to contribute to society together. These resolutions and thoughts are encapsulated in three parts: 'Revitalize (Okosu),' 'Lead (Michibiku),' and 'Deliver (Todokeru).'

The music written specifically for this commercial highlights the strength of moving forward with firm determination. As a company that creates energy, creates materials, and revitalizes the future, Idemitsu continues to believe in the infinite potential of people and will continue to challenge itself.

CM Release Overview Titles: 'Revitalize' (15s/30s), 'Lead' (15s/30s), 'Deliver' (15s/30s) Release Date: May 23, 2026 (Sat) Platforms: National TV, digital media including YouTube Featured Music: w.o.d. 'RISE'

Highlights of Each Part 'Revitalize': The protagonist riding a horse with a torch through the pre-dawn landscape represents the resolve to blaze trails in uncharted territories. 'Lead': Depicts the Company encountering fellow challengers (co-creation partners) and acting as a driving force to guide them forward. 'Deliver': The conclusion of the trilogy, showing how the generated light illuminates industries and cities, connecting to everyday life.

CM Music & Artist Profile w.o.d.: A 3-piece band from Kobe consisting of Takuya Saito (Vocal & Guitar), Ken Mackay (Bass), and Motoyoshi Nakajima (Drums). The new song 'RISE' will be released digitally on May 23.