Announcement Regarding Sponsorship Agreement with JLPGA Pro Golfer Ayuho Yamada

We are pleased to announce that we have signed a sponsorship agreement with professional golfer Ayuho Yamada.

Ayuho Yamada is a young professional golfer from Sapporo, Hokkaido. She has been dedicated to the sport since childhood and has steadily built up her experience and achievements. In 2025, she has been active on the domestic tour and the Step-Up Tour, with expectations for further growth and success. She is also actively involved in communicating through social media and various other media channels.

We decided to enter into this sponsorship agreement because we resonate with Yamada's sincere attitude toward her sport, her constant drive for growth, and her commitment to delivering new value through sports.

[Comment from Ayuho Yamada]

I am happy to announce that I have signed a sponsorship agreement with Mitsuuroko Group Holdings.

Alongside my happiness, I feel determined to approach my matches with a heightened sense of focus. Moving forward, as I compete throughout the season with Mitsuuroko Group Holdings, I will give my best in every single match to bring excitement to all of you. I appreciate your continued support.

Mitsuuroko Group continues to challenge itself as a provider of 'prosperous living' by delivering 'new value' to changing society and needs.