Sanyu Construction Co., Ltd.

Establishment of Horikoumuten Co., Ltd. (capital stock of 1 million yen)

Since its founding in 1950, our company has been engaged in various fields, primarily construction and real estate, including residential subdivisions, metal products, and hotel and ryokan businesses.

Increase in capital to 10 million yen

Construction industry registration, First-class architect office registration

Increase in capital to 50 million yen, merger with Izumi Koumuten Co., Ltd.

Increase in capital to 55 million yen

Increase in capital to 110 million yen

Initial public offering on the stock exchange

Company name changed to Sanyu Construction Co., Ltd.

Addition of real estate industry to business purpose

Relocated headquarters to Ota-ku, Tokyo

Opened a metal products factory in Ageo City, Saitama Prefecture

Increase in capital to 150 million yen

Capital increased to 180 million yen.

Establishment of the Cooperative Vendor Association [Sanyukai].

Capital increased to 310 million yen.

President change: Sanyou Baba becomes Chairman, Kunie Baba becomes President.

Change of CEO: Mitsu Bamba became Chairman, Kunie Bamba became CEO.

Corporate mark change.

Relocation of the Ageo factory to Ina Town, Saitama Prefecture, becoming the Saitama Metal Factory.

Completion of the new headquarters building.

Obtained ISO 9001 certification; listed shares on the JASDAQ Securities Exchange (transition from over-the-counter registration).

Established a small elevator business division.

Renamed the Saitama branch to the Kanto branch.

Moved the Kanto branch to Toro-cho, Kita-ku, Saitama City.

Due to market consolidation, the listing exchange changed to the Osaka Stock Exchange.

Established the Machida branch and residential division in Machida City.

Due to market consolidation, the listing exchange changed to the Tokyo Stock Exchange; established the Hotel Division's Izu Aonome Onsen Matsukazeen in Shizuoka Prefecture.

President change: Kunie Baba becomes Chairman, Hirojiro Baba becomes President.

Change of CEO: Kunie Bamba became Chairman, Kojiro Bamba became CEO.

Moved the Kanto branch to Ina Town, Saitama Prefecture.

Established the Hotel Division's Beagle Tokyo Hostel & Apartment in Ota Ward.

Established the Hotel Division's Corador Yūgawara Dog & Resort in Kanagawa Prefecture.

Kunie Baba appointed as advisor.

Yuuichiro Baba appointed as Vice President.

The Tokyo Stock Exchange market reorganization changed the JASDAQ market to the Standard market.

The real estate brokerage license was changed to a ministerial license.

A Management Buyout (MBO) was carried out, and the listing on the Tokyo Stock Exchange Standard market was discontinued.

Capital reduction to 100 million yen.