LIXIL's Climate Change Mitigation and Adaptation Project Recognizes Contribution to Reducing Annual CO2 Emissions by Approximately 1.2 Tons Through Introduction of High-Insulation Windows, Entrances, etc.

From left: Shimizu, Procurement Section, Housing Planning Department, Group Purchasing; Sato, Deputy Section Chief, Sustainability Promotion Office; Mr. Komiya, Special Business Department, LIXIL Corporation.

KEIAI STAR REAL ESTATE Co., Ltd. (Headquarters: Honjo City, Saitama Prefecture; President and Representative Director: Keiji Hanawa, hereinafter referred to as "the Company") has endorsed LIXIL Corporation's (Headquarters: Shinagawa City, Tokyo; Director, President, and Chief Executive Officer: Yoshiya Seto, hereinafter referred to as "LIXIL") "Connecting Homes to the Future Project 2025." As a result of actively introducing LIXIL's high-insulation entrance doors in its detached housing business and other operations, the Company contributed to reducing annual CO2 emissions by approximately 1.2 tons (※1). For this achievement, the Company received a letter of appreciation at its Tokyo headquarters on March 16, 2026.

Background of Endorsing LIXIL's "Connecting Homes to the Future Project"

With the vision of "Providing homeownership for everyone," the Company positions environmental conservation as a critical management issue and promotes initiatives aimed at realizing a decarbonized society.

As part of these efforts, the Company endorsed LIXIL's "Connecting Homes to the Future Project 2025."

By promoting the introduction of LIXIL's high-insulation entrance doors and sashes in its detached housing business and other operations, the Company has advanced energy conservation in homes, contributing to a reduction of 1.2 tons in annual residential CO2 emissions (※1). This achievement was recognized with a letter of appreciation from LIXIL.

※1… CO2 emission reduction amount corresponding to the reduction in energy consumption for heating, cooling, hot water supply, etc., during occupancy and use of homes and buildings when project target products are replaced with conventional products.

The KEIAI STAR Group's Initiatives Towards Realizing a Decarbonized Society

The KEIAI STAR Group actively addresses climate change issues in its sustainability efforts. By promoting the use of domestic timber, which is said to have lower CO2 emissions during manufacturing and transportation, and by changing the standard specifications for all detached housing developments to ZEH (Net Zero Energy House) standards, we have reduced energy consumption. Through these measures, we aim to balance business growth with GHG (※2) emission reductions, working towards solving environmental issues and building a sustainable society.

The KEIAI STAR Group will continue to contribute to the development of sustainable regions and societies where future generations can enjoy abundant nature and live with peace of mind, joy, and comfort, in line with our management philosophy of "Creating a Rich, Fun, and Comfortable Life.".