Otsuka Pharmaceutical Co., Ltd. (Otsuka) has signed a global supporter agreement with World Athletics to sponsor the World Athletics Championships Tokyo 25 (WCH Tokyo 25). Under the key message of "Believe In Your Potential." Otsuka will support athletes and all involved in the World Athletics Championships with products including POCARI SWEAT.

The World Athletics Championships is the world's largest sporting event of 2025, and is returning to Japan for the first time in 18 years. From 13 to 21 September 2025, more than 2,000 athletes from over 200 countries and regions are expected to gather in the Japan National Stadium in Tokyo to compete in 49 events over a nine-day span.

World Athletics has set the goal of making WCH Tokyo 25 one of the most sustainable sporting events in the world, in response to the growing concerns for climate change. Otsuka is committed to this goal and will help to make the event safe, healthy and sustainable by providing science-based products and information to athletes and all involved in the Championships. Otsuka also plans to communicate not only to athletes and event officials, but also to those who support the event, under the key message 'Believe In Your Potential.'.

Otsuka will provide products such as POCARI SWEAT, to support athletes and event officials by replenishing water and ions (electrolytes) and efficiently cooling the body. Otsuka will also support preventions of heat illness by providing information to athletes and spectators.

Furthermore, Otsuka aims to further contribute to the event's sustainability measures by implementing environmentally friendly initiatives, such as the promotion of 'Bottle-to-Bottle' resource circulation, whereby PET bottles used during the WCH Tokyo 25 will be collected and recycled into new PET bottles.

Makoto Inoue, president and representative director of Otsuka Pharmaceutical said, "We appreciate the opportunity to sign this global supporter agreement with World Athletics, and the opportunity to take part in the World Athletics Championships Tokyo 25, the world's premier athletics competition. POCARI SWEAT was developed through the expertise cultivated in the medical field transferred into everyday life. We hope to support athletes for better performances by enabling the body to rapidly hydrate with water and ions, which are essential to sustain life.
Otsuka Pharmaceuticals will sincerely continue to address health issues surround the human body and mind, and aim to keep contribute to people's health and society."

Sebastian Coe, World Athletics President said, "We are excited to have Otsuka on board as a Global Supporter - especially ahead of the World Athletics Championships Tokyo 25 where thousands of the world's best athletes will descend on the Japanese capital.
"Good hydration and electrolyte replenishment are key to every athlete's training, competition and recovery regimens - therefore Otsuka's support is ideal for our world class athletes in their bids to become world champions in September 2025."

Organizer：World Athletics　　　

Period：Nine days from Saturday 13 to Sunday 21 September 2025

Venue：Japan National Stadium and other venues (marathon and race walking will be held in Tokyo)

No. of athletes：approx. 2,000

No. of countries/regions：approx. 200

No. of events：49 (planned)

World Athletics is the international governing body for athletics (track & field & running events). Our vision is to use the power and accessibility of athletics and our athletes to create a healthier and fitter world. World Athletics serves a number of stakeholders: elite athletes, their coaches, and their agents, and the 214 national athletics federations that make up the organization, commercial partners and broadcasters. We work closely with the national federations to develop the sport around the globe, and with local organizing committees to stage the biggest international athletics events, exciting and engaging fans of all ages.

Official brand site (in Japanese)：https://pocarisweat.jp/

Product information on our corporate website (in English)：https://www.otsuka.co.jp/en/nutraceutical/products/pocarisweat/

• POCARI SWEAT now available in over 20 countries and regions, is a beverage that smoothly replenishes water and ions (electrolytes) lost through sweat. With an electrolyte composition similar to the body's natural fluids, it is absorbed quickly and keeps the body hydrated for a long time. Hence, POCARI SWEAT is suitable for moistening a thirsty body in various situations such as sports, work, before and after bathing and sleeping.

Based on our corporate philosophy of 'Otsuka-people creating new products for better health worldwide,' Otsuka Pharmaceutical continues to contribute to the health and well-being of people around the world.