We would like to express our sincere gratitude for your continued support. Now, we would like to inform you that we will observe the following dates as our summer vacation this year. We apologize for any inconvenience this may cause and appreciate your understanding. 【Summer Vacation Period (Bio Lab Division & Environmental Equipment Division)】 August 13, 2020 (Thursday) to August 16, 2020 (Sunday) 【Shipping Suspension Period (Bio Lab Division & Environmental Equipment Division)】 Please note that this varies by division. If you have any questions or urgent matters, please contact us separately. Shipping will be suspended from August 12, 2020 (Wednesday) to August 16, 2020 (Sunday). Note 2: Orders received by the morning of the 11th (Tuesday) will be shipped on the 11th. Orders received after the afternoon of the 11th (Tuesday) will be shipped after August 17 (Monday).

Thank you very much for your continued support. Last year, TOSUKU Corporation merged with Jujifield Corporation and has embarked on a new journey as TOSUKU Corporation, with the Aqua System Division, Bio Lab Division, and Environmental Equipment Division. We have created a company brochure, so please take a look.

We would like to express our sincere gratitude for your continued support. We would like to inform you that Jujifield Co., Ltd. will merge with TOSUK Co., Ltd., and in order to improve operational efficiency, we will consolidate our Osaka sales office as detailed below. With the relocation to the new office, we will strive even harder in our business, and we kindly ask for your continued support. 1. Start date of operations August 27, 2018 (Monday) 2. New address 12th Floor, Urban Ace Kitahama Building, 2-3-7 Hirano-cho, Chuo-ku, Osaka City, Osaka Prefecture, 541-0046 3. Division name, new phone number, and new fax number - Aqua System Division (currently TOSUK Co., Ltd.) TEL: 06-6227-1981 FAX: 06-6227-1980 - Environmental Equipment Division (currently Jujifield Co., Ltd.) TEL: 06-6227-5530 FAX: 06-6227-5531

We would like to express our sincere gratitude for your continued support. We are pleased to announce that Jujifield Co., Ltd. will be merging with TOSCU Co., Ltd. and will embark on a new journey as the Bio Lab Division and Environmental Equipment Division of TOSCU Co., Ltd. starting August 21, 2018. This merger combines our accumulated technological expertise in the field of physics and chemistry with TOSCU Co., Ltd.'s development capabilities, and we are confident that it will lead to an enhancement of our services beyond what we have provided thus far. Taking this opportunity, all of our employees will commit to improving our services with renewed determination, and we kindly ask for your continued patronage of TOSCU Co., Ltd. as before. Jujifield Co., Ltd. President and CEO, Naoyuki Izawa

We are pleased to announce that we will be relocating our headquarters as detailed below. Taking this opportunity, we are committed to enhancing the quality of our services, and we kindly ask for your continued support and guidance. Business Start Date: April 17, 2017 (Monday) New Address: 1-9-13 Nihonbashi Honcho, Chuo-ku, Tokyo 103-0023, Nihonbashi Honcho 1-chome Building, 4th Floor New Phone Number: 03-3516-0700 New Fax Number: 03-3516-0701