An advertisement is published in the July 2021 issue of the maritime comprehensive magazine COMPASS, issued by Maritime Press on June 25, 2021. The content includes: "Legal Revisions: Immediate Solutions! Introducing Products for Reducing Welding Fume Concentration! Welding fumes are classified as specific chemical substances (Category 2 substances), and health hazard prevention devices will be mandatory—featuring air motor-type factory fans and blowers that do not use electricity." The products listed include air motor-type factory fans and blowers (AFG-18NL, AFF-18NL, AFD-18NL, AFK-18NL, AFR-08-NL, AFR-12NL). Additionally, we also feature our "Oil, Fuel, and Water Transfer Pumps," known as Wing Pumps, which are utilized in ships and shipyards.

We have confirmed multiple fake and fraudulent websites that are selling our products at low prices, which are sold through our company and our online shop "Pompuyasan." Some of these sites claim to be our authorized dealers, copying our website's photos, logos, and product descriptions to impersonate us and deceive customers into paying for products. If you use these fraudulent sites, there is a possibility that you may suffer damages such as not receiving the product after payment or having your personal information illegally obtained. 1. Selling products at extreme discounts As a rule, we do not engage in extreme discount sales. 2. No contact information displayed Fraudulent sites often do not display any contact information. 3. Bank account for payment is in a foreign name or personal name We do not have bank accounts set up for foreign nationals. Additionally, as a corporation, we will never ask for payments to be made to personal accounts. 4. No credit card payment option Fraudulent sites often only offer bank transfer as a payment method. Please be careful not to place orders or make payments.

We have published an advertisement in the June 14, 2021 issue of the Japan Food Industry Newspaper. The content states, "Waste oil collection and recycling service providers: We can handle the collection of waste cooking oil (fats, oil cakes, and oil sludge) and food waste from food factories, restaurants, and convenience stores, as well as grease trap cleaning – we propose Aqua System's vacuum cleaners!" We have included details about our products, such as the air-operated tank cleaning filtration cleaner (APDQO-F series) and the air-operated vacuum cleaner (AVC-550-SUS series). Additionally, we have provided detailed information about the products in an accompanying article, so please take a look.

We are pleased to announce that we will be exhibiting at the Kokko Exhibition 2017, which will be held on June 9th and 10th. We hope to provide as much information as possible, including about our pumps, to many people. We understand that this is a busy time for everyone, but we kindly ask for your support. "Connecting Technology" is here - Turning Dreams into Reality June 9, 2017 (Friday) 10:00 AM - 5:00 PM June 10, 2017 (Saturday) 9:00 AM - 4:00 PM Yamabiko Dome 9036-4, Airport East, Matsumoto City, Nagano Prefecture, 390-1132 Within the Matsumoto City Shinshu Sky Park Matsumoto Hiroi Park For more details, please visit: http://www.kokko.co.jp/kokko-exhibit/

We are pleased to announce that we will be exhibiting at the OGUMA NEXT 2017 Industrial Equipment Exhibition, which will be held on May 18th and 19th. We hope to share as much information as possible, including details about our pumps, with many attendees. We understand that this is a busy time for everyone, but we kindly ask for your support. OGUMA NEXT 2017 Industrial Equipment Exhibition Fujisan Messe, Fuji Industrial Exchange Exhibition (Large Exhibition Hall and Conference Room) 189-8 Yanagishima, Fuji City, Shizuoka Prefecture, 416-0932 May 18th (Thursday) 9:30 AM - 6:30 PM May 19th (Friday) 9:30 AM - 5:00 PM

We are pleased to announce that we will be exhibiting at the Kansai Grand Fair 2017, which will be held on September 15th and 16th. We hope to share as much information as possible, including details about our pumps, with many attendees. We understand that this is a busy time for everyone, but we sincerely ask for your support. ~ Product Introduction ~ Air Vacuum Cleaner APPQO550 Air Vacuum Cleaner APPQO550SET Air Tank Cleaning Filtration Cleaner J-FS (Recirculation Type) Air Tank Cleaning Filtration Cleaner APDQO-FS (For Open Drums) Mobile Electric Pump for AdBlue AdBOX [AdStar] Electric Drum Pump for AdBlue Ad-1 ~ Exhibition Details ~ Together we challenge. The industry and life of the "future." September 15, 2017 (Friday) 10:00 AM - 5:00 PM September 16, 2017 (Saturday) 9:30 AM - 4:30 PM "Intex Osaka" 1-5-102 Nanko-Kita, Suminoe-ku, Osaka 559-0034

We are pleased to announce that we will be exhibiting at the Kyocera Corporation Yokaichi Factory Exhibition, which will be held on September 29. We hope to deliver as much information as possible, including about our pumps, to many people. We understand that this is a busy time for everyone, but we kindly ask for your support. ~Exhibited Products~ Air Drum Pump (for Oil) APD-20 Electric Drum Pump (for Oil) EVD-100 Air Vacuum Cleaner APPQO550 Electric Vacuum Cleaner EVC-550 Air Tank Cleaning Filtration Cleaner APDQO-F Series Air Tank Cleaning Filtration Cleaner J-FS (Circulation Type) Venue: 1166-6 Jabizomachi, Higashiomi City, Shiga Prefecture, 527-0073

We are pleased to announce that we will be exhibiting at the New Value Creation Exhibition 2017, which will be held from November 15 to November 17. We hope to deliver as much information as possible, including about our pumps, to many people. We understand that this is a busy time for everyone, but we kindly ask for your support. ~Exhibited Products Introduction~ New Product! Air Control Unit, Hand Switch, Foot Switch Air Vacuum Cleaner APPQO550 Electric Vacuum Cleaner EVC-550 Air Tank Cleaning Filtration Cleaner APDQO-F Series Air Tank Cleaning Filtration Cleaner J-FS (Circulation Type) Venue Tokyo Big Sight, East Halls 7 & 8 3-11-1 Ariake, Koto-ku, Tokyo 135-0063

Nikkei Industrial News Special Interview Team "180 Excellent Companies Loved for a Long Time in Kansai" Price: 2,200 yen + tax ISBN 978-4-526-07969-6

For the labor-intensive machine tools, floor cleaning, site improvement, and factory 5S, we have launched this fiscal year: The circulation-type filtration cleaner J-FS With recovery filtration and discharge capabilities: APDQO-FF (non-woven fabric filter) APDQO-FS (stainless steel filter) Convenient for cleaning inside the factory and on the premises: Hand-pushed floor cleaner Eco Sweeper AJL series Our top recommendation is the air-operated vacuum cleaner for open-top pails, along with a cleaner set for drum cans: APPQO550 + 200L top plate + drum can carrier Published in the Nikkan Kogyo Shimbun on April 17, 2017.

New Release: Integrated Flow Meter Drum Pump for Kerosene and Light Oil - TDP Series 《TDP Series》 TDP-M (for Kerosene and Light Oil / with TB-K24-FM on the main body) TDP-MN (for Kerosene and Light Oil / with TB-K24-FM on the nozzle side) TDP-M33 (for Kerosene and Light Oil / with MK33-25D on the main body) TDP (for Kerosene and Light Oil) ◎ Integrated Flow Meter You can choose from three types with flow meters: TDP-M, TDP-MN, and TDP-M33, depending on your application. There is also a type without a flow meter, allowing for economical use of kerosene drum pumps. ◎ Improved Liquid Management With the flow meter, you can see the flow rate at a glance, eliminating waste and leading to cost savings. ◎ Continuous Operation Possible With 100V electric power, it can operate continuously, making it usable anywhere. This also increases work efficiency.

Featured in the November 2020 issue of Machinery and Tools with advertisements and product introductions. About the air-operated machine tool filtration cleaner <Featured Product> - APDQO-F Series Listed on page P118.

We have published an advertisement in the February 22, 2021 issue of the Nikkan Kogyo Shimbun. The content states, "Aqua System is a full-line manufacturer of pumps for drums. We deliver the best choice! – for hydraulic oil, lubricating oil, kerosene, light oil, oil, organic solvents, chemicals, AdBlue, and more." Additionally, we have included an article highlighting our strengths, so please take a look.

Perfect for cleaning and maintenance! - Thanks to the ejector system, it is trouble-free - Products include air-operated tank cleaning filtration cleaners (APDQO-F series, J-F series) and air-operated vacuum cleaners (APPQO600 series). We have also included detailed articles about the products, so please take a look.

An article has been published in the June 5, 2021 issue of the Japan Machinery News. We have been featured in the special article "Innovation! - Equipment that Creates Clean Air" in the Japan Machinery News. The article covers our entire lineup, including the stand-type AFG-18(24)NL, floor-type AFF-18NL, tabletop-type AFD-18NL, wall-mounted type AFK-18NL, and axial flow type AFR-08(12)NL, all of which are oil-free air motor factory fans and blowers that can be used in various settings.

We have published an advertisement in the May 27, 2021 issue of the Daily Automobile News. Please take a look at the article titled "Collecting oil-soaked gravel in a drum! An air-powered vacuum cleaner that allows you to easily dispose of just the contents or the entire drum," which features our product, the air-powered vacuum cleaner (APPQO600 series), along with options for automotive repair shops.

We have published the Aqua System "Product Catalog vol. 21" (2021 edition). You can download the PDF version from this Ipros site. Please check the details on the catalog page. Additionally, the shipment of the new catalog itself is scheduled to start sequentially from May 10. Customers who wish to receive the catalog by mail are kindly requested to place their orders through our company website or the inquiry section of the Ipros site. The product catalog has been revamped to be more user-friendly and convenient for everyone as a pump manufacturer. We will continue to strive to be a pump manufacturer that is loved and helpful to everyone. We appreciate your continued support for Aqua System this year. <Contents> Aqua System Co., Ltd. Product Catalog The specifications have been completely renewed for better understanding, and we thoroughly explain customer problem-solving case studies. Featured products: Over 365 types Improvement case studies from issues: Over 40 cases - Product usage examples by industry - Recommended product features - Information on each product - Chemical resistance table - Viscosity compatibility table - Corporate philosophy / History - Product inquiry form

We started selling the "Oil-Free Air Motor Chemical Drum Pump (CHD1-20ASUSN)" on May 1, 2021. This pump, made with SUS, PTFE, and FFKM for the wetted parts, can handle a wider range of chemicals and solvents compared to our previous model (CHD-20ASUS). It is ideal for transportation in areas where open flames are prohibited. Chemical pumps typically have high prices in the market due to the need for corrosion resistance against solvents, but we are able to offer them at reasonable prices thanks to our extensive knowledge and technology. The "air-operated" model is an oil-free, maintenance-free version currently used in various products of ours. The compatible liquids include alcohol, thinner, acetone, methanol, MEK, and more. For more details, please refer to the product page for the Oil-Free Air Motor Chemical Drum Pump (CHD1-20ASUSN). Please feel free to contact us.

We have published an advertisement in the April 20, 2021 issue of the Nikkan Kogyo Shimbun. The article titled "For the transfer of oil, fuel, and water in ships (large/tankers), submarines, factories, and public facilities – trusted and proven products used for many years in ships and equipment!" includes information about our products such as wing pumps, air-operated vacuum cleaners (APPQO600 series), and oil-free air motor axial flow blowers (AFR series), so please take a look.

Dear Valued Customers, Thank you for your continued support. We sincerely appreciate it. We regret to inform you that our company will be closed for the Golden Week holiday during the following period: Holiday Period: From April 29, 2021 (Thursday) to May 5, 2021 (Wednesday) *Please note that the last shipping dates before the holiday are April 28 (Wednesday) AM and April 30 (Friday) AM. Some products may not be available for shipment, so we appreciate your understanding. Inquiries during the holiday period will be answered after the holiday. We apologize for any inconvenience this may cause during the closure and thank you for your understanding. Aqua System Co., Ltd. All Employees

We started selling the "Electric Chemical Drum Pump (CHD1-20SUSN)" on April 1, 2021. This pump, made with SUS, PTFE, and FFKM for the wetted parts, is designed to handle a wider range of chemicals and solvents compared to our previous model (CHD-20SUS). It is ideal for transportation in areas where open flames are prohibited. Chemical pumps typically have high costs in the market due to the need for corrosion resistance to solvents, but we are able to offer them at a reasonable price thanks to our extensive knowledge and technology. The "electric" version is compatible with substances such as ethyl acetate, butyl acetate, hydrogen peroxide, sodium hydroxide, and nitric acid (30% concentration). For more details, please refer to the product page for the Electric Chemical Drum Pump (CHD1-20SUSN). Please feel free to contact us.

We have achieved the second place nationwide and the first place in the Kinki region on the largest BtoB database site in Japan, "ipros," specifically in the medical food technology category. We are deeply grateful to everyone for this achievement. From now on, our entire company will strive even harder to deliver our product information to you better than ever before. We kindly ask for your continued support and cooperation.

"We have increased the compatible chemicals! We have issued a flyer for the Chemical Drum Pump for Chemicals and Solvents, CHD1-20SUSN." Content: "We have increased the compatible chemicals! Chemical Drum Pump for Chemicals and Solvents, CHD1-20SUSN." *Comparison with our conventional products: Electric type 100V CHD1-20SUSN (released on April 1, 2021) discharge rate 22L/min Air type CHD1-20ASUSN (released on May 1, 2021) We have responded to customer requests! Improved from our conventional products! Liquid contact materials are SUS/PTFE/FFKM. 【Applications!】 ■ Lithium batteries (secondary batteries) ■ Dyeing, semiconductor, disinfectant manufacturing, automotive, and home appliance factories ■ Surface treatment in metal plating factories ■ New energy sector 【Compatible liquids!】 ☑ Alcohol ☑ Thinner ☑ Ethyl acetate ☑ Acetone ☑ Sodium hydroxide ☑ Cleaning agents ☑ Hydrogen peroxide ☑ Nail polish remover ☑ Acids and alkalis, etc. *For flammable liquids, please use the air type. *When using chemicals and solvents, please limit to those that do not damage the materials.

We have published an advertisement in the March 5, 2021 issue of the Japan Machinery News. The content includes "Essential items for explosion-proof areas and heat-generating areas in automotive factories, chemical plants, painting booths, shipyards, civil engineering, soda industry, and coal tar product shipbuilding! Non-powered type air motor axial flow fan." Additionally, we have included an article with details about the product, so please take a look.

Sales of the "Oil-free Air Type Axial Flow Fan and Exhaust Fan (AFR-08NL/AFR-12NL)" began on March 1, 2021. The oil-free air motor type axial flow fan (exhaust fan) "AFR-08NL/AFR-12NL" is an air-operated fan that is useful for infection control measures and other indoor ventilation and air circulation. It is effective in areas where open flames are prohibited and in explosion-proof and heat hazard zones, such as automobile factories, chemical plants, painting booths, shipyards, civil engineering sites, soda manufacturing, and coal tar product manufacturing. Its features include being powered by compressed air, equipped with a portable hand grip for use in various locations, and having a lightweight motor that is about one-fourth the weight of other manufacturers' electric explosion-proof fans, making it easy to handle. It is safe with no risk of electric leakage, and it can be installed with dedicated AFR ducts (sold separately) on either the intake or exhaust side, allowing for both blowing and exhausting functions. Additionally, it has a wide range of applications from blowing, exhausting, and ventilation to heat countermeasures, maintaining safety and comfort in factories and construction sites, and can be used for exhaust of welding fumes in shipbuilding, steel, and canning factories, as well as preventing oxygen deficiency accidents in manholes and tunnels, and in places with chemical odors. For more details, please refer to the product page for AFR-08NL/AFR-12NL.

We would like to inform you about a campaign where you can receive a total of 300,000 yen by watching our videos and purchasing eligible products. By watching a total of four video broadcasts (you only need to watch one) on Zoom Video Communications (app), you will receive a 3,000 yen QUO card as a gift for your purchase. This is a very advantageous campaign, and we look forward to your participation. If you provide the keyword mentioned in the video, we will give a 3,000 yen QUO card to 100 limited users. For more details, please click the link to the 'Aqua System homepage'.

I would like to express my heartfelt sympathy to all those affected by the strong earthquake of magnitude 6 that occurred off the coast of Fukushima Prefecture in Tohoku on the 13th, shortly after 11 PM, as well as to their families. I sincerely pray for everyone's safety and for the swift recovery of the disaster-stricken areas. I pray that the lives of those affected will return to normal as soon as possible. Our product, the "Wing Pump with Stand Series," was featured on a morning news program. It is a pump that can be used for water supply during disasters, and it has been utilized for that purpose. Currently, we have only one unit available, but our company will lend the "Wing Pump with Stand Series" free of charge to those affected. We will continue to provide support so that recovery can happen as soon as possible.

[Scheduled for release on March 1, 2021] We have issued a flyer for the "Oil-Free Type Air Motor Axial Flow Fan AFR-08NL AFR-12NL Powerful! Speed Ventilation! COVID-19 Countermeasures through Ventilation." Content Powerful! Speed Ventilation! COVID-19 Countermeasures through Ventilation - An essential item for explosion-proof areas and areas with heat hazards! Oil-Free Type Air Motor Axial Flow Fan (AFR-08NL AFR-12NL) Work Sites: An essential item for explosion-proof areas and heat hazard areas, active in automotive factories, chemical plants, paint booths, shipyards, civil engineering, soda industry, coal tar, and more! Because it is air motor type... [Point 1] Lightweight! Up to 1/4 the weight of electric pressure-resistant explosion-proof fans (compared to other manufacturers' 12-inch models weighing 25.5 to 37.5 kg) [Point 2] Safe and secure without using power! [Point 3] Fewer breakdowns! Ground wire included - Optional duct for AFR series Efficiently ventilates indoor air to the outdoors. Active in manholes and places where air tends to stagnate!

We have published an advertisement in the January 26, 2021 issue of the Nikkan Kogyo Shimbun. It features the content: "Available for use in explosion-proof areas and no open flames allowed! Air-driven factory fan circulator that does not use electricity - Powerful! High-speed air blowing and ventilation!" Please take a look!

Dear Valued Customers, Thank you for your continued support. We sincerely appreciate it. We regret to inform you that our company will be closed for the year-end and New Year holidays during the following period. Year-end and New Year Holiday Period: From December 28, 2020 (Monday) to January 4, 2021 (Monday) *Please note that the last shipping date will be until the morning of December 25 (Friday). Some products may not be available for shipment, so we appreciate your understanding. Inquiries during the holiday period will be responded to after the holiday. We apologize for any inconvenience this may cause during the closure and thank you for your understanding. Aqua System Co., Ltd. All Employees