March 11, 2022 Formulation of Obayashi Group Medium-Term Business Plan 2022 Obayashi Corporation hereby announces that it has resolved Obayashi Group Medium-Term Business Plan 2022, "Strengthening the Business Foundation and Accelerating Company-wide Transformation," the five-year business plan starting in FY2022, at its Board of Directors' meeting held today. As announced in a press release on November 8, 2021, the final-year targets for Obayashi Group Medium-Term Business Plan 2017 ending in FY2021 are not expected to be achieved mainly due to a loss related to domestic construction projects.