NEWS RELEASE

Teijin to Trial the Use of Hydrogen Fuel Cells to Power
Construction Sites
Tokyo, Japan, October 17, 2022 --- Teijin Limited announced today that, in collaboration
with Tokyu Construction Co., Ltd., it plans to conduct a trial of the use of hydrogen fuelcells as a power source at construction sites. The trial, which will take place at the siteof Tokyo’s Shibuya station area redevelopment, is expected to commence in April 2023.
The lightweight and compact hydrogen fuel cells, for which Teijin has been granted asales license in Japan, are developed by British fuel cell manufacturer Intelligent Energy
Limited. The IE-LIFTTM cells are portable, each weighing around just 10 kg, and when in
use they are quieter than existing gasoline and diesel generators, emitting only watervapor.
The hydrogen, used to power the fuel cells, will be stored in lightweight and corrosionresistant Ultressa® composite pressure cylinders developed by the Teijin Group
company Teijin Engineering Limited. Ultressa® cylinders are made of carbon and glass
fiber composite and used in a wide range of applications including the automotive,firefighting and medical fields.
During nighttime construction, electricity is required to power lighting, warning signs andother equipment. However, existing oil or gasoline power generators disturb local
residents as they are noisy, emit odors and cause ground vibration, leading to calls foralternative types of power supply. Hydrogen is currently used primarily as a fuel source
for fuel cell vehicles, however, the use of fuel cell vehicles is not yet widespread in Japan,
and the refueling infrastructure to support them is still patchy.
Teijin is prioritizing the development of environmental value solutions with the aim ofpromoting sustainability and self-sustaining economies; as part of this approach, thecompany commenced the sale of hydrogen fuel cells in February 2021. Tokyu
Construction is focusing its efforts on decarbonization, achieving zero waste, and on
disaster prevention and mitigation in its long-term management plan "To zero, fromzero." In order to reduce CO2 emissions at its construction sites, the company alreadymakes partial use of on-site hydrogen fuel cells to generate power and has been
conducting a number of studies of their practical application.
The purpose of this trial is to ascertain the reductions in the levels of noise and groundvibration that may result from the use of hydrogen fuel cells, and to evaluate their safetyand reliability, aiming to resolve some of the issues hindering the more widespread useof hydrogen as a fuel.

Teijin, aiming to be a company that supports the society of the future, is confident thatthe use of hydrogen fuel cells will help to reduce CO2 emissions in Japan and thereby
contribute to the nation’s achievement of the United Nations’ Sustainable Development
Goals (SDGs).
About Intelligent EnergyIntelligent Energy is focused on the development and manufacture of its Proton
Exchange Membrane (PEM) fuel cell products for customers in the automotive,
aerospace, generator, telecoms, materials handling and unmanned aerial vehicle (UAV)
sectors. The company is headquartered and manufactures in Loughborough in the UK,with additional offices and representation in the US, Japan, China and South Korea.
www.intelligent-energy.com
About the Teijin Group
Teijin (TSE: 3401) is a technology-driven global group offering advanced solutions in thefields of environmental value; safety, security and disaster mitigation; and demographic
change and increased health consciousness. Originally established as Japan's firstrayon manufacturer in 1918, Teijin has evolved into a unique enterprise encompassing
three core business domains: high-performance materials including aramid, carbon
fibers and composites, and also resin and plastic processing, films, polyester fibers andproducts converting; healthcare including pharmaceuticals and home healthcare
equipment for bone/joint, respiratory and cardiovascular/metabolic diseases, nursing
care and pre-symptomatic healthcare; and IT including B2B solutions for medical,
corporate and public systems as well as packaged software and B2C online services for
digital entertainment. Deeply committed to its stakeholders, as expressed in the brandstatement “Human Chemistry, Human Solutions,” Teijin aims to be a company that
supports the society of the future. The group comprises some 170 companies andemploys some 20,000 people across 20 countries worldwide. Teijin posted consolidated
sales of JPY 926.1 billion (USD 7.2 billion) and total assets of JPY 1,207.6 billion (USD
9.4 billion) in the fiscal year that ended on March 31, 2022.
Press Contact
Corporate CommunicationsTeijin Limited
pr@teijin.co.jp