Renewed Affiliation Contract with Windsurfing iQFOiL Class Designated Athlete Rina Niijima, Continuing to Challenge Her Dreams

Daio Paper Corporation (Headquarters: Chiyoda-ku, Tokyo), which develops the No. 1 sanitary paper product brand*2 'Elleair', will renew its affiliation contract with windsurfer Rina Niijima. This affiliation contract started in 2022 and marks its 5th year this year.

Athlete Niijima is a top-class domestic windsurfer with expectations for further success, having taken 1st place among female competitors at the 2025 iQFOiL National Series Round 1 Hayama Tournament in May 2025, winning the iQFOiL Class All Japan Championship in October, achieving good results in various tournaments, and ranking 2nd overall annually in the 2025 iQFOiL International Series.

Our company develops 'Team Elleair', a sports support activity that provides a stage for and cheers on athletes who earnestly strive towards their dreams, such as hosting the domestic women's pro golf tour 'Daio Paper Elleair Ladies Open' for over 40 years and supporting the Tokyo Women's Schoolchild and Junior High School Rubber Baseball Tournament.

We will continue to cheer on athlete Niijima, who has made a new start toward her dream of competing in the 2028 Los Angeles Olympics.

Comment from Elleair Affiliated Windsurfer Rina Niijima I am truly grateful to be able to welcome my 5th year supported by Elleair. Thanks to their unwavering support through both good and bad times, I am able to face my daily training and tournaments with all my might. Turning everyone's cheers into strength, I will continue to break through my limits so that I can deliver the best performance!

*1: 2025 Overseas Dispatched Athlete designated by the Japan Sailing Federation (JSAF) Olympic Strengthening Committee (as of March 2026) *2: Intage SRI+ combined total of Tissue Market, Toilet Paper Market, Kitchen Paper Market, and Paper Towel Market (Sales amount by manufacturer from Jan to Dec 2025)

Profile of Athlete Rina Niijima Date of Birth: November 13, 1999 Birthplace: Kamakura City, Kanagawa Prefecture Raised by the sea in Kamakura, she has been active since the 4th grade of elementary school, achieving feats like winning the All Japan Junior Championship for 5 consecutive years. Conquered all domestic pro tours in the FOIL division for 2022-2023. Currently active as an iQFOiL class designated athlete (as of March 2026). Official Site: https://jpn1113.wixsite.com/rina Team Elleair Official Support Site: https://www.elleair.jp/rinaniijima/

Major Tournament Results 2008-2013 All Japan Junior Championship - 5 consecutive wins 2014 Youth Olympic Games (Nanjing, China) - 7th 2015 Techno 293 Asian Championship U17 (Enoshima) - Champion 2021 iQFOiL Class All Japan Championship (Oita) - Champion May 2022 iQFOiL International Games (Italy) - 3rd Sep 2022 Hamanako Cup 2022 (Shizuoka) - Champion 2022-2023 Foil Division Domestic Pro Tour Annual Ranking - Decided 1st in Women's Oct 2022 iQFOiL World Championships (France) - 39th Nov 2022 FLY ANA! WINDSURFING WORLD CUP (Kanagawa) - 9th *US PWA Tour Apr 2023 French Olympic Week (Semaine Olympique Francaise de Voile) - 2nd Feb 2024 iQFOiL World Championships (Spain) - 53rd Apr 2024 Last Chance Regatta (France) - (data truncated)