Tranche Update on JDC Corporation's Equity Buyback Plan announced on July 15, 2022.

JDC CORPORATION is a Japan-based company mainly engaged in general construction industry. The Company operates in four business segments. The Civil Engineering segment engages in construction works of dam, river, bridge, tunnel, road, water supply and sewage, and other works, and restoration works related to earthquake disaster, as well as solar power plant construction works. The Construction segment engages in construction of government buildings, public facilities, stadiums, and condominiums. The Related Business segment engages in sale, leasing and development of real estate, the renewable energy business, and leasing of construction materials. The Affiliated Companies segment engages in manufacturing and sale of construction equipment and water treatment materials, as well as solar power business and insurance agency business.