We will be exhibiting at the International Fermentation and Brewing Food Industry Exhibition. We sincerely look forward to your visit. Exhibition Name: International Fermentation and Brewing Food Industry Exhibition / JAPAN FOODS WEEK 2025 Dates: July 16 (Wednesday) to July 18 (Friday), 2025, 10:00 AM to 5:00 PM Venue: Tokyo Big Sight, South Exhibition Hall Our Booth Number: S15-19 (South Exhibition Hall, Halls 3 and 4) Official Website: https://hakkoexpo.jp/ Entry is by pre-registration only. Pre-registration Website: https://crj-jfw2025.reg.tsoint.jp/ja/client-register At our booth, we plan to showcase the small catalytic deodorization device "SCU-1EH type."

Our company will be exhibiting at 【FOOMA JAPAN 2025】. We sincerely look forward to your visit. Exhibition Name: FOOMA JAPAN 2025 / One of the world's largest comprehensive food manufacturing exhibitions Dates: June 10 (Tuesday) to June 13 (Friday), 2025, 10:00 AM to 5:00 PM Venue: Tokyo Big Sight, Halls 1 to 8 Our Booth Number: Hall 1, 1A-20 Official Website: https://www.foomajapan.jp/ Entry is by complete pre-registration only. Please obtain and bring your Quick Pass (entry ticket) from the pre-registration website. If you do not register, you will not be able to enter, so please prepare in advance. Pre-registration Website: https://www.foomajapan.jp/register/ At our booth, we plan to showcase the small catalytic deodorization device "SCU-1EH type."

TESSHA Corporation will be exhibiting at the 7th High-Performance Materials Week 'Coatings and Coating Equipment Exhibition' held at Makuhari Messe. This exhibition is a specialized event showcasing functional coatings, coating equipment, surface treatment technologies, and more. A wide range of engineers from industrial fields such as electronics and automotive to architecture and building materials will be in attendance. At our booth, we plan to display the small catalytic deodorization units "SCU-1EH type/SCU-5EH type." We sincerely look forward to your visit.

TESSHA Corporation will be exhibiting at 'INCHEM TOKYO 2023' held at Tokyo Big Sight. The theme of this exhibition is "For those aiming for a carbon-neutral society - Encountering the latest chemical engineering technologies and potential partners." We plan to showcase a compact catalytic deodorization device at our booth. We sincerely look forward to your visit.

Our company will be exhibiting at the Plant Show OSAKA 2022, and we would like to provide you with the following information. At our booth, we will showcase the small catalytic deodorization units SCU-1EH and 5EH. We sincerely look forward to your visit. Exhibition Name: Plant Show OSAKA 2022 Dates: December 7 (Wed) - 9 (Fri), 2022, 10:00 AM - 5:00 PM Venue: Intex Osaka (Osaka International Economic Promotion Center) Our Booth Number: 5A-03, Environmental and Energy Solutions for Manufacturing Industry Official Website: http://www.tessha.com/press/plantshowosaka2022/ *Please Note Entry is by complete pre-registration only. If you do not register in advance, you will not be able to enter, so please prepare accordingly. Pre-registration Website: https://www.jma-onlineservice.com/12all/jp_plant/registration.php

We will be exhibiting at FOOMA JAPAN 2022 International Food Industry Exhibition, and we would like to provide you with the following information. We sincerely look forward to your visit. Exhibition Name: FOOMA JAPAN 2022 / International Food Industry Exhibition Dates: June 7 (Tuesday) to June 10 (Friday), 2022, 10:00 AM to 5:00 PM Venue: Tokyo Big Sight, Halls 1-8 East Our Booth Number: Hall 3 East, 3F-56 Official Website: https://www.foomajapan.jp/ Please Note: Entry is by complete pre-registration only. Please obtain and bring your Quick Pass (entry ticket) from the pre-registration website. If you do not register, you will not be able to enter, so please prepare in advance. Pre-registration Website: https://www.foomajapan.jp/visitors/admission/ We will be showcasing our popular small deodorization devices, various combustion-type deodorization devices, and mufflers for railway vehicles.

We have newly created a video introducing the business activities of TESSHA Corporation. Please take a look.

Our company will be exhibiting at "INCHEM TOKYO 2021," which will be held at Tokyo Big Sight from November 17 (Wednesday) to 19 (Friday), 2021. The theme of this exhibition is "Innovation Driven by DX and Low-Carbon Technologies," focusing on technological innovation in the plant/engineering sector and the future of process industries, including chemistry, in line with sustainable development goals (SDGs). We are confident that we will be able to provide useful information to visitors as an opportunity to encounter new technologies and products, so please be sure to visit our exhibition booth.

We will be exhibiting at "FOOMA JAPAN 2021." Exhibition Name: FOOMA JAPAN 2021 / 2021 International Food Industry Exhibition https://www.foomajapan.jp/ Dates: June 1 (Tuesday) to June 4 (Friday), 2021, 10:00 AM to 5:00 PM Venue: Aichi Sky Expo (Aichi Prefectural International Exhibition Center) Booth Number: Hall D, D-632 https://www.foomajapan.jp/pdf/map_d.pdf Exhibited Products: Small Catalytic Deodorization Device SCU-5EH, SCU-1EH Pre-registration WEB Admission Fee: 1,000 yen, free with pre-registration URL https://www.foomajapan.jp/outline/admission.html Infection Prevention Measures: https://www.foomajapan.jp/outline/covid.html We look forward to your visit. TESSHA Co., Ltd. TEL: 042-557-8305 E-mail: info@tessha.com WEB: http://www.tessha.com/contact/

We will be exhibiting at FOODEX JAPAN 2021. Please click on the underlined text for details. 【 Exhibition Name 】 FOODEX JAPAN 2021 / 46th International Food and Beverage Exhibition 【 Dates 】 March 9 (Tuesday) to March 12 (Friday), 2021, 10:00 AM to 5:00 PM (until 4:30 PM on the last day) 【 Venue 】 Makuhari Messe (Chiba City, Chiba Prefecture) 【 Booth Number 】 Hall 8, FOODEX TECH, Booth 8E18 Booth Map 【 Exhibition Website 】 https://www.jma.or.jp/foodex/ 【 Pre-registration URL 】 Free pre-registration URL for admission fee of 5,000 yen https://www.jma.or.jp/foodex/visitor/registration.html We sincerely look forward to your visit. * For inquiries regarding this announcement TESSHA Co., Ltd. Sales Department TEL: 042-557-8305 E-mail: info@tessha.com WEB: http://www.tessha.com/contact/

We are pleased to announce that TESSHA Corporation will be exhibiting at the Plant Show OSAKA 2020, which will be held at Intex Osaka. This time, we will be showcasing the newly released SCU-5EH model with a capacity of 5m3/min, which has been added to our popular series of small catalytic deodorization units. We will also provide information on various deodorization devices. Exhibition Name: Plant Show OSAKA 2020 Industry: Environmental and Energy Solutions for Manufacturing Dates: July 29 (Wed) - July 31 (Fri), 2020, 10:00 AM - 5:00 PM Venue: Osaka International Economic Promotion Center (Intex Osaka) *Admission is free. Our Booth Number: Hall 1, 1J-07 Registration: Pre-registration is required to attend. *There will be no on-site registration. We kindly ask for your cooperation in wearing a mask during your visit. *For inquiries regarding this announcement: TESSHA Corporation, Sales Department, TEL: 042-557-8305, E-mail: info@tessha.com Thank you.

Dear Sir/Madam, I hope this message finds you in good health and spirits. I would like to express my sincere gratitude for your continued support. As of April 1st, we will be changing our company name from "Railway Vehicle Industry Co., Ltd." to "TESSHA Co., Ltd." This change reflects the evolution of our business in response to the times and our desire to enhance our new image recognition. We are committed to making even greater efforts to serve you better, and we kindly ask for your continued support. Sincerely, Details: 1. New Company Name: TESSHA Co., Ltd. (formerly Railway Vehicle Industry Co., Ltd.) 2. Date of Change: April 1, 2020 *Please note that there will be no changes to our address or phone number.

We will be exhibiting at the "Small and Medium Enterprises New Manufacturing and New Services Exhibition." 【Exhibition Name】Small and Medium Enterprises New Manufacturing and New Services Exhibition 【Dates】December 4 (Wed) to December 6 (Fri), 2019 December 4 (Wed) 11:00 AM - 5:00 PM December 5 (Thu) 10:00 AM - 5:00 PM December 6 (Fri) 10:00 AM - 4:00 PM 【Venue】Tokyo Big Sight, Aomi Exhibition Hall B *Admission is free. 【Our Booth Number】C24 C: Environment, Construction, and Energy Zone (B Hall) 【Exhibition Website】 https://www.shin-monodukuri-shin-service.jp/ 【Pre-registration URL】https://form.shin-monodukuri-shin-service.jp/c/htm/ex/EH40AU00.html We sincerely look forward to your visit. *Contact Information Tetsudou Sharyou Kougyou Co., Ltd. Sales Department TEL: 042-557-8305 E-mail: info@tessha.com WEB: http://www.tessha.com/contact/

We will be exhibiting at the "Industrial Exchange Exhibition 2018." We are jointly exhibiting with Mizuho Town, Ome City, and Hamura City at the booth with the following number. 【 Exhibition Name 】 Industrial Exchange Exhibition 2018 【 Dates 】 November 14 (Wed) - November 16 (Fri), 2018, 10:00 - 18:00 【 Venue 】 Tokyo Big Sight, East Hall 6 【 Our Booth Number 】 Machine - 93 【 Exhibition Website 】 https://www.sangyo-koryuten.tokyo/ We sincerely look forward to your visit. * For inquiries regarding this notice: Railway Vehicle Industry Co., Ltd. Sales Department TEL: 042-557-8305 E-mail: info@tessha.com WEB: http://www.tessha.com/contact/

We are pleased to announce that Tetsudo Sharyou Kogyo Co., Ltd. will be exhibiting at the following exhibition. We would be grateful if you could attend. Details: Exhibition Name: 2018 NEW Environmental Exhibition Dates: May 22 (Tuesday) to May 25 (Friday), 2018 Hours: 10:00 AM to 5:00 PM (until 4:00 PM on May 25) Venue: Tokyo Big Sight (Tokyo International Exhibition Center), Halls 1-6 Booth Number: N-333 (Hall 3) Official Website: https://www.nippo.co.jp/n-expo018/ We will be showcasing our small deodorization devices, various combustion-type deodorization devices, mufflers for railway vehicles, and soundproof products. We will send invitation tickets to interested customers, so please contact us. We sincerely hope you will take this opportunity to visit and stop by our booth. We look forward to your continued support. Tetsudo Sharyou Kogyo Co., Ltd. Sales Department TEL: 042-557-8305 E-mail: info@tessha.com End.

We are pleased to announce that Railway Vehicle Industry Co., Ltd. will begin selling soundproofing products from Soundproofing Technology Co., Ltd., which has a long-standing track record in soundproofing technology. If you are troubled by noise, please consult us!! Utilizing all necessary technologies for soundproofing, we will propose our unique technologies for various facilities including plant equipment, buildings, spatial equipment, water supply and drainage systems, dust processing equipment, crushing equipment, press machinery, and more. 1. Sound insulation: Preventing sound from leaking through walls and other structures. 2. Sound absorption: Preventing echoes within a room. 3. Sound elimination: Eliminating sound leaking from openings. 4. Vibration isolation: Mitigating transmitted vibrations. 5. Acoustic blocking: Preventing sound transmission even after vibration isolation. 6. IK-style rainproof louver: Opening rate of 60% to 80%. A louver that completely prevents rain from above and below.

We are pleased to announce that Tetsudo Sharyou Kogyo Co., Ltd. will be exhibiting at the following trade show. We would be grateful if you could attend. Details: Exhibition Name: INCHEM TOKYO 2017 Dates: November 20 (Monday) to November 22 (Wednesday), 2017 Hours: 10:00 AM to 6:00 PM (on the final day, November 22, until 5:00 PM) Venue: Tokyo Big Sight (Tokyo International Exhibition Center), East Halls 1-3 Booth Number: 1A-1 Official Website: http://www.jma.or.jp/inchem/ We will be showcasing our popular small deodorization units, various combustion-type deodorization devices, and mufflers for railway vehicles. We will send invitation tickets to interested customers, so please contact us. We hope you take this opportunity to visit our booth. We sincerely appreciate your continued support. Tetsudo Sharyou Kogyo Co., Ltd. Sales Department TEL: 042-557-8305 E-mail: info@tessha.com End.

Thank you very much for always visiting the website of our company, Railway Vehicle Industry Co., Ltd. We have completely renewed our website. We will continue to operate it to ensure that it is easy to view and user-friendly for our visitors. Thank you for your continued support.

Notice of Head Office Relocation Dear Sir/Madam, I hope this message finds you in good health and spirits. We would like to express our sincere gratitude for your continued support and patronage. We are pleased to inform you that we will be relocating our head office and factory to the address below. We kindly ask for your continued guidance and support in the future. Sincerely, March 2017 Tetsudo Sharyou Kogyo Co., Ltd. President and CEO, Satoshi Takigawa Details New Address 1322-1 Hakonegasaki, Mizuho Town, Nishitama District, Tokyo 190-1221, Japan New Phone/Fax Numbers Phone (Main): 042-557-8305 Fax: 042-557-6550 Business Start Date March 27, 2017 (Monday) *Please note that we will be closed on March 24, 2017 (Friday) for relocation operations. Additionally, there will be no change to our banking partners due to this relocation.

We will be jointly exhibiting with Kemet Japan at SEMICON JAPAN 2016. Date: December 14 (Wednesday) - 16 (Friday), 2016, 10:00 AM - 5:00 PM Location: Tokyo Big Sight, East Exhibition Hall Booth: 2113 Exhibited Product: Small Catalytic Deodorization Device SCU-1EH We will be jointly exhibiting with four companies from the Kemet Group. Please visit Kemet Japan (Booth 2113). Admission is free, but pre-registration is required. http://www.semiconjapan.org/ We look forward to your visit.

We will be exhibiting at [Smart Engineering TOKYO]. Venue: Tokyo Big Sight, West Hall 3 & 4 (Tokyo International Exhibition Center) Booth Number: B-14 Dates: October 26 (Wednesday) to October 28 (Friday), 2016, 10:00 AM to 5:00 PM Exhibited Products: Small catalytic deodorization devices SCU-1EH, SCU-3EH, and others *Please be sure to stop by our booth.

We will jointly exhibit at the "2016 Taipei International Invention Show & Technomart Exhibition" (September 29 - October 1) at the Hachioji booth in Taipei, along with companies from Hachioji. http://www.inventaipei.com.tw/zh_TW/index.html The location and booth details are as follows: Taipei World Trade Center, Hall 1, 1st Floor, Technology Trading Exhibition Area D2, Hachioji City, Japan (Taipei World Trade Center, Hall 1, 1st Floor, Technology Trading Exhibition Area D2, Hachioji City, Japan) We will have a panel display of deodorizing devices. We would be delighted if interested customers could visit our booth. For more details, please contact our sales representative.

The small catalytic deodorization device SCU-1EH has been certified as a product under the Hachioji City Small and Medium Enterprises New Product Development Certification System for the fiscal year 2015. It will be exhibited at the Industrial Exchange Exhibition 2015 and INCHEM TOKYO 2015. We look forward to your visit.

We will be exhibiting at the [Industrial Exchange Exhibition 2015]. Venue: Tokyo Big Sight Booth Number: Kan-59 Duration: November 18 to November 20 *Please be sure to stop by our booth.

We will be exhibiting at [INCHEM TOKYO 2015 ECO-Manufacture]. Venue: Tokyo Big Sight Booth Number: 1A-18 Period: November 25 to November 27 *Please be sure to stop by our booth.

We will be exhibiting at the Life Support Fair 2015. New release!! We will showcase the compact catalytic VOC treatment device SCU-1EH and more. [Date] January 22, 2015 (Thursday) - January 23, 2015 (Friday) [Time] 10:00 AM - 5:00 PM [Location] Tokyo Metropolitan Industrial Trade Center, Hamamatsucho Hall [Admission Fee] Free [Organizer] Tokyo Small and Medium Enterprise Promotion Corporation Admission is free, so please feel free to stop by.