西武ホールディングス（9024） – Seibu Group to Introduce Green Energy to HQ Bldg., “DaiyaGate Ikebukuro” as part of Sustainability Actions for Realizing a Decarbonized Society

[Translation for Reference Only] ENGLISH TRANSLATION OF DOCUMENT IN JAPANESE This is an English translation of an original document in Japanese and is only provided for convenience. In all cases, the original Japanese version takes precedence. March 28, 2022 For immediate release Company Name Seibu Holdings, Inc. Representative President & Chief Executive Officer GOTO Takashi (Code No.: 9024 Inquiries First Section of the Tokyo Stock Exchange) General Manager of Corporate Communication KAWAKAMI Kiyoto (Tel. +81-3-6709-3112) Seibu Group to Introduce Green Energy to Headquarters Building, “DaiyaGate Ikebukuro” as part of Sustainability Actions for Realizing a Decarbonized Society ～Approx. 2,270 tons of CO2 emissions per year to virtually zero emissions～ Seibu Holdings, Inc. today announced that the Group will introduce 100% virtually green energy to its corporate headquarters building called “DaiyaGate Ikebukuro” starting April 1, 2022. The Group will power DaiyaGate Ikebukuro with green energy supplied by Seibu Takeyama Solar Power Station which comprises 31,080 solar panels and generation capacity of about 9.56 million kWh (which is equivalent to the electricity consumption of around 2,660 households). Under this initiative, the Group aims to achieve virtually zero CO2 emissions from the annual electricity of approximately 2,270 tons used at the headquarters building. The office building will be entirely powered by green energy with accepted environmental value through non-fossil fuel certificates with tracking information* in cooperation with TEPCO Energy Partner, Inc. (Head Office: Chuo-ku, Tokyo; President: AKIMOTO Nobuhide) Seibu Takeyama Solar Power Station TEPCO Energy Partner, Inc. DaiyaGate Ikebukuro Non-fossil fuel certificates with tracking information Purchase and sale agreement a Non-fossil fuel a certificates agreement Solar power generation from Seibu’s facility Achieve virtually zero CO2 emissions using green energy with accepted environmental value generated by Seibu Takeyama Solar Power Station Based on the “Group Vision” that constitutes its management philosophy, the Group actively promotes initiatives geared towards the realization of a sustainable society in the form of “Sustainability Actions.” Seibu aims to reduce its CO2 emissions per basic unit (CO2 emissions per operating revenue) by 25% over fiscal 2018 by fiscal 2030 and will continue to tackle reductions in its CO2 emissions with a view to contributing further to the prevention of global warming. (For reference) Seibu Group’s CO2 emissions reduction target and ESG data: https://www.seibuholdings.co.jp/en/sustainability/esg_data/ The Group will continue to make its best efforts to promote the above reductions in CO2 emissions and other Sustainability Actions based on its Group Vision and Environmental Policy. DaiyaGate Ikebukuro, which opened in April 2019, is a large office building with about 50,000 square meters of floor space, placing it among the leading leased office buildings in Ikebukuro. Owned by Seibu Railway Co., Ltd. (Head Office: Tokorozawa, Saitama; President: KITAMURA Kimio) and managed by Seibu Properties Inc. (Head Office: Toshima-ku, Tokyo President: UWANO Akihisa), the building has 20 floors above ground and two below ground, and has commercial operations including a café and convenience store on the first two floors and office space on floors four to 18. The building was certified with the highest rating by the Comprehensive Assessment System for Built Environment Efficiency (CASBEE) in Japan. * Certificates of the environmental value of electricity generated from non-fossil power sources, and therefore do not emit CO2. [Outline of DaiyaGate Ikebukuro] : 1-16-15, Minami-Ikebukuro, Toshima-ku, Tokyo : Approx. 5,530 ㎡ : Approx. 49,661 ㎡ : Offices, stores, parking lots : Two underground floors, 20 floors above ground Building height : 99.98 m Date opening for business : April 2019 Structure : Iron framework (partially reinforced concrete iron framework) : Occupants include Seibu Holdings, Prince Hotels, and Seibu Properties : https://www.seibupros.jp/en/about/ [Outline of Seibu Takeyama Solar Power Station] Name Location : Seibu Takeyama Solar Power Station : Yokosuka, Kanagawa Owner and operator : Seibu Railway Co., Ltd. Site area : Approx. 13.6ha Pieces of solar panels : 31,080 pieces Electricity generation : Approx. 9,560,000 kWh (Approx. 2,660 households) * Seibu Takeyama is one of the ten solar power plants owned by the Seibu Group and generates the amount of energy more than the other nine plants. Website : https://www.seibuholdings.co.jp/en/sustainability/environment/energy/ Location Ground area Floor area Usage Floors Other details Website Seibu Group Sustainability Actions Based on the Group Vision, Seibu’s management philosophy, we are promoting efforts to realize a sustainable society, which we call “Sustainability Actions.” In particular, we have established four areas and 12 agendas (important themes) as social values that we create through our business, and are actively working on them. For details: https://www.seibuholdings.co.jp/en/sustainability/ Category Agenda Related SDGs Safety Ensure safety and reliability Environment Greenhouse gas reduction Waste reduction Ensuring water supply Protecting forests and species Community engagement Developing rail corridors and invigorating local communities Corporate culture Work style reforms Creating accessibility through universal design Aging population and low birthrate Recruiting a diverse workforce Human resource development and human resource management Compliance