March 31, 2026

Rengo Increases Investment in Murase Danboru Ltd.

Rengo Co., Ltd. announces that it has acquired an additional 29% of the issued shares of Murase Danboru Ltd. (excluding treasury shares), bringing its total ownership interest, including existing holdings, to 49%.
Established in 1942, Murase Danboru is a manufacturer of corrugated packaging based in Konan-shi, Aichi Prefecture. Since making an initial investment in Murase Danboru in 2024, Rengo has been collaborating with the company through containerboard supply, contract manufacturing of corrugated packaging products, and other areas.
Through the additional investment, Rengo will strengthen its collaboration with Murase Danboru and further develop the Rengo Group's corrugated packaging business.

Overview of Murase Danboru Ltd.

Head office location 70 Tenno, Gomyo-cho, Konan-shi, Aichi Prefecture
Plant location Head office plant: 70 Tenno, Gomyo-cho, Konan-shi, Aichi Prefecture
Second plant: 98 Nishiura, Nakanara-cho, Konan-shi, Aichi Prefecture
Representative Director and President Genichiro Murase
Capital 13 million yen
Shareholders MY Holdings, Limited 51%
Rengo Co., Ltd. 49%
(Shareholding ratio is calculated excluding treasury shares.)
Main business Manufacturing and sales of corrugated board and boxes
Net sales Approx. 1,600 million yen (fiscal year ended September 2025)
Number of employees 49