Tranche Update on Shimizu Corporation's Equity Buyback Plan announced on April 26, 2023.

Shimizu Corporation is one of the Japanese largest building and civil engineering works groups. Net sales break down by activity as follows: - subcontracting construction services (89.4%): construction of buildings (housings, offices, manufactures, schools, medical centers, shopping centers, warehouses, hospitals, hotels, etc.), construction of transport and civil engineering infrastructures (roads, highways, railways, bridges, dams, etc.); - other (10.6%): real estate development, leasing and sale of building materials equipments, financial services, etc.