We will be exhibiting our CO2 sensors and controllers at the 10th Smart Building EXPO within JAPAN BUILD, which will be held next week. This exhibition is one of the largest specialized trade shows in the construction industry, showcasing the latest technologies in IoT for buildings, BEMS, energy-saving air conditioning, and building management systems. When you visit, please be sure to stop by our booth. We sincerely look forward to seeing you. Location: Tokyo Big Sight Dates: December 10 (Wednesday) to December 12 (Friday), 2025, from 10:00 AM to 5:00 PM Booth: 33-25 *Advance registration is required for attendance.

We will be showcasing our CO2 sensor and controller at the "Tokyo Innovation Dissemination Exchange Meeting," where many small and medium-sized enterprises with high technological capabilities, recommended by administrative agencies, will exhibit. Theme: 'Environmental Technology' Exhibition Fields: Upcycling, Biomass, IoT, Energy Conservation, EV, Batteries, Processing Technology, Analytical Technology, Air Conditioning Technology, etc. This is a great opportunity to network with various companies, so please come and visit us.

The largest specialized exhibition in Japan, Smart Building, where the latest products solving challenges in the architecture, construction, and real estate industries are showcased, was attended by us again in 2023. This year, we had a larger booth than usual, where we displayed our flagship products, including CO2 controllers, CO2 monitors, odor/ozone CO2 controllers, and remote monitoring services.

This year, we participated in the AHR EXPO, one of the largest exhibitions in the world. This time it was held in Chicago, with approximately 50,000 attendees and around 1,800 exhibitors. Despite the bad weather on the day of the event, many customers visited us, allowing us to promote our main products.

Following last year, we exhibited at the ASEAN SUSTAINABLE ENERGY WEEK held in Bangkok, Thailand from August 30 to September 1, 2023. This is the largest exhibition in ASEAN, and we actively promoted our environmental solutions that contribute not only to improving indoor environments but also to combating global warming and energy-saving technologies.

This year, our company will exhibit at the "5th Next Generation Agriculture EXPO" within Japan's largest agricultural comprehensive exhibition, "Agriculture World 2018." We will showcase our CO2 controllers/monitors, and we look forward to your visit. Venue: Makuhari Messe Dates: October 10 (Wed) - 12 (Fri), 10:00 AM - 6:00 PM *Ends at 5:00 PM only on the 12th (Fri) Booth Number: 39-13 Official Website: http://www.agritechjapan.jp/ja/Home_tokyo/

We have decided to exhibit at AHR, one of the largest HVAC exhibitions in the world, to be held in Atlanta, USA next year. We look forward to welcoming as many visitors as possible. Exhibition Name: 2019 AHR Venue: Georgia World Congress Center, 285 Andrew Young Intl Blvd NW, Atlanta, GA 30313 USA Dates: January 14 (Monday) - 16 (Wednesday), 2019, 10:00 AM - 6:00 PM (only on the last day, January 16, it will end at 5:00 PM) Booth Number: B4490 Official Website: https://ahrexpo.com/

We will be exhibiting at the "3rd Smart Building EXPO," where all the technologies necessary for next-generation building development and efficient operation and management of buildings, such as "IoT for buildings," "building renovation," and "management services," will come together. At our booth, we will not only showcase our CO2 controllers and monitors but also announce new products, so we look forward to welcoming as many visitors as possible. Venue: Tokyo Big Sight Dates: December 12 (Wednesday) to 14 (Friday), 2018 Booth Number: 6-15 Official Website: http://www.smartbuilding.jp/About/Outline/

We have decided to exhibit at AHR, one of the largest HVAC trade shows in the world, which will be held in Atlanta, USA next year. We will also be announcing new products, so we look forward to welcoming as many visitors as possible. Exhibition Name: 2019 AHR Venue: Georgia World Congress Center, 285 Andrew Young Intl Blvd NW, Atlanta, GA 30313 USA Dates: January 14 (Mon) - 16 (Wed), 2019, 10:00 AM - 6:00 PM (Final day, January 16, ends at 5:00 PM) Booth Number: B4490 Official Website: https://ahrexpo.com/

Our company will be exhibiting at the Non-Residential Building Fair 2019, which will be held at Tokyo Big Sight on June 6 (Thursday) and June 7 (Friday). At our booth, we will showcase CO2 sensors and controllers, as well as our new product, the Odor CO2 Dual Sensor and Controller. We sincerely look forward to your visit. 【Exhibited Products】 ■ CO2 Sensor and Controller - Not only does it measure the CO2 concentration in indoor spaces, but it also enables proper automatic control of ventilation equipment, improving indoor air quality and contributing to the health of occupants and increased work efficiency, while simultaneously preventing excessive ventilation and reducing electricity costs (energy saving). ■ Odor CO2 Dual Sensor and Controller - It measures odors in indoor spaces and outputs and displays values on a scale of 0 to 99, allowing for automatic control of ventilation systems and deodorization devices based on the measured values. ★ We will also hold a specialized seminar. 【Specialized Seminar】 Title: Achieving Comfortable Spaces and Energy Savings with the Odor CO2 Dual Controller Date and Time: June 7, 2019 (Friday) 13:50 - 14:35 Location: Specialized Seminar Venue B

CHC System Co., Ltd. will be exhibiting at "HVAC&R JAPAN 2020, the 41st Refrigeration, Air Conditioning, and Heating Exhibition," which will be held at Makuhari Messe from March 3 to 6, 2020. At our booth, we plan to showcase the "Odor CO2 Dual Sensor Controller" and the "CO2 Sensor Controller." These new products display the odor level in a room on a scale of "0 to 99" and can automatically control ventilation equipment and deodorization devices based on the measured values. We sincerely look forward to your visit.