We will be exhibiting at "OceanBiz2025 in SHIZUOKA," Japan's only underwater drone comprehensive exhibition, to be held at Shimizu Port in Shizuoka Prefecture on July 28 (Monday) and July 29 (Tuesday), 2025. 【Event Information】 Name: OceanBiz2025 in SHIZUOKA Dates: July 28 (Monday) and July 29 (Tuesday), 10:00–17:00 Venue: Shimizu Port Marine Terminal (indoor exhibition + Suruga Bay demonstration field) Organizer: Japan Underwater Drone Association (General Incorporated Association) Co-hosted by: Blue Economy Expo@SurugaBay (Marine Open Innovation Foundation) *Registration for the Ocean Expo is required to enter the indoor exhibition. (On-site registration is also available) Visitor Registration → https://blue-economy-expo.jp/ 【Our Exhibition Information】 Jun Techno Service Co., Ltd. Demonstration in actual sea area: July 28 (Monday) Tent A 12:00–13:00 July 29 (Tuesday) Tent A 13:30–14:30 Indoor exhibition booth: T-13 Exhibited product: QYSEA FIFISH E-MASTER NAVI

【Chiba】 ⬛︎ 10th Japan Drone 2025 The largest specialized exhibition in Japan focused on drones Date: June 4 (Wed) - June 6 (Fri), 2025 Time: 10:00 AM - 5:00 PM Venue: Makuhari Messe Official Website: https://ssl.japan-drone.com/index.html ⬛︎ 7th International Construction and Surveying Expo (CSPI-EXPO2025) One of the largest exhibitions in Japan showcasing the latest technologies, products, and services in the construction and surveying industry Date: June 18 (Wed) - June 21 (Sat), 2025 Time: 10:00 AM - 5:00 PM (until 4:00 PM on the last day) Venue: Makuhari Messe Halls 1-6, Outdoor Exhibition Area, Outdoor Exhibition Area ANNEX Official Website: https://cspi-expo.com/ 【Fukuoka】 ⬛︎ 10th Kyushu Home Show An exhibition showcasing a wide range of products related to architecture in community development Date: June 18 (Wed) - June 19 (Thu), 2025 Time: June 18, 10:00 AM - 5:00 PM (until 4:00 PM on June 19) Venue: Marine Messe B Hall Official Website: https://www.jma.or.jp/khs/

We have established the "Fukuoka Sales Office" to strengthen our sales capabilities and customer support in the Kyushu and Yamaguchi areas. We will provide customers in the Kyushu and Yamaguchi areas with closer access to products and services utilizing the latest technologies, such as portable power supplies, solar panels, and drones. Please feel free to consult us regarding the sale and installation of storage battery systems. 【Contact Information】 Jun Techno Service Co., Ltd. Fukuoka Sales Office 2-7-22-1, Matsuyama, Jonan-ku, Fukuoka City, Fukuoka Prefecture, 814-0131 TEL: 092-834-7930 FAX: 092-834-7931 Email: info_fukuoka@jun-techno.com Business Hours: Weekdays 9:00 AM - 6:00 PM (Online available 24 hours) Closed: Saturdays, Sundays, and public holidays

Four consecutive awards! We are grateful on behalf of all the staff. At the Saitama school, our strength lies in the fact that our instructors are professionals with extensive on-site experience. We provide comprehensive consultations, from underwater drone service solution proposals to human resource development, equipment sales, and repairs, as well as thorough aftercare for our graduates who have come from all over the country. We are pleased to have gained experience in overseas projects starting this year and to be able to introduce new frontiers utilizing underwater drones. Thank you for the 2024 Excellence Award! We will strive to achieve five crowns! Our school uses a dedicated underwater drone training container pool, allowing us to conduct practical training without being affected by weather conditions. All staff members are currently active workers flying around various water sites across the country, making us one of the few schools where you can receive advice from the perspectives of piloting, cable assistance, and repair maintenance. With a background primarily in electrical contracting, we have extensive knowledge and experience in addressing the inspection access issues related to infrastructure maintenance that are problematic in civil engineering sites. Please check our official website for our on-site achievements.

The long-awaited "FIFISH E-MASTER NAVI" has arrived. This new underwater drone is equipped with AI measurement functions and a Q-DVL hovering system, enabling stable navigation and high-precision measurements underwater. Furthermore, with the AR laser scaler, it can measure underwater objects in real-time, making it suitable for professional applications. Let's improve work efficiency by using the latest model!

Juntechno Service Co., Ltd., which is engaged in the drone business, is pleased to announce that on April 7, 2021, it completed the registration of the new technology "Underwater Autonomous Robot Camera (Underwater Drone) for the Inspection and Maintenance of Underwater Installations" with the Kanto Regional Development Bureau of the Ministry of Land, Infrastructure, Transport and Tourism under the NETIS program. This technology involves using an underwater autonomous robot camera (underwater drone) to conduct inspections of underwater structures, which previously relied on visual inspections by divers. By utilizing this technology, inspections in narrow areas that have been difficult to access and in deep waters where risks are heightened can now be conducted.

Jun Techno Service Co., Ltd. is pleased to announce that we have begun handling the new product "FIFISH PRO W6," which is suitable for industrial applications, manufactured and designed by QYSEA Technology Co., Ltd., based in Shenzhen, China, specializing in unmanned underwater vehicles (UUVs, underwater drones, and ROVs). This product adopts the ROV platform "Q-BOX," which can be customized for various industry-specific applications. It is equipped with a station lock to prevent positional drift caused by complex underwater environments, enabling very stable operation. 【Features】 ■ Can be used as a simple measurement tool, with AR scaler and laser scaler ■ Displays coordinates and depth, U-QPS underwater positioning system ■ Wide field of view, dual 4K camera system ■ Uses a removable and replaceable battery, allowing for long-duration work with a power supply system

【Product Overview】 The FIFISH V6 EXPERT is a compact underwater drone that can be utilized for industrial purposes. As a multifunctional and highly expandable model, it allows for more efficient operations by utilizing various options. 【Product Lineup & Prices】 (1) FIFISH V6 EXPERT M100: 385,000 yen (excluding tax 350,000 yen) Standard included items (100m cable set) (2) FIFISH V6 EXPERT M200: 462,000 yen (excluding tax 420,000 yen) Standard included items (200m cable + hard case) (3) FIFISH V6 EXPERT MP200: 715,000 yen (excluding tax 650,000 yen) Standard included items (200m cable + case + external power supply) (4) FIFISH V6 EXPERT EP300: 1,705,000 yen (excluding tax 1,550,000 yen) Standard included items (300m cable + case + electric reel 100m) (Total of 4 patterns)

In January 2022, we installed a usable container pool for corporations considering underwater drones (6m (length) × 2.5m (width) × 1.6m (depth)). <Eligible Users> - Those considering the introduction of underwater drones - Those considering demonstration experiments with underwater robots, drones, etc. - Those considering the use of our services - Others, please consult with us From the end of March 2022, we are preparing to make it available for everyone by reservation (for a fee). ■Contact Information for Inquiries■ Jun Techno Service Co., Ltd. Contact: Momoko Sasaki 〒350-1110 3-4-2-5F Toyotacho, Kawagoe City, Saitama Prefecture info@jun-techno.com Tel: 049-265-8651 (forwarded when unavailable) Fax: 049-265-8652

The Drone Business Research Report 2022 [Infrastructure and Equipment Inspection Edition] published by Impress Research Institute, which plans, edits, and produces cross-media publications for professionals. Our company has conducted interviews as a service provider regarding the current state and challenges of drone business in various industrial sectors using underwater drones, and we have been featured with our company name. You can read a sample here: https://book.impress.co.jp/books/1121501007 The aging of infrastructure structures and the shortage of personnel have been topics of discussion in various places. This book discusses the business models of drones used for infrastructure equipment inspections, the current state and challenges of businesses tailored to industrial sectors, and trends from the managing ministries. We are accepting inquiries regarding equipment inspections utilizing underwater drones. Please also download and utilize our company materials. ● For inquiries regarding this matter: Jun Techno Service Co., Ltd. 1-6-27 Otsuka, Kawagoe City, Saitama Prefecture, 350-1129 info@jun-techno.com Construction Industry License: Saitama Prefectural Governor License (General-2) No. 74013

At the Japan Drone 2020 event held in 2020, we introduced some of the equipment for underwater drones in our brochure. The "Underwater Drone Business Research Report 2021" is available for purchase here, and members of the Japan Underwater Drone Association can receive a discount. We recommend utilizing it for future business applications. ● Underwater Drone Business Research Report 2021 New markets opened by underwater robots, from construction to equipment inspection, surveys, aquaculture, and rescue operations https://book.impress.co.jp/books/1120501019 We are accepting inquiries regarding equipment inspections using underwater drones. Please also download and utilize our company materials. ● For inquiries regarding this matter Jun Techno Service Co., Ltd. 1-6-27 Otsuka, Kawagoe City, Saitama Prefecture, 350-1129 info@jun-techno.com Construction business license: Saitama Prefectural Governor Permit (General-2) No. 74013

We are pleased to announce the establishment of the "Underwater Drone Industry Training Course: Professional Course." In this course, participants will comprehensively learn techniques for capturing underwater data for inspection of infrastructure structures, primarily focusing on civil engineering and construction projects. This includes techniques for data submission, remote presence, and more. Through this course, we hope that participants will acquire specialized knowledge and skills, thereby improving the quality of their work and enabling them to engage in more advanced underwater surveys and photography. For more details, please refer to the related product page or the related catalog below.