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NIPPON KOEI Supplementary Materials for the Summary of Financial Reports 2Q , FYE June 30 , 2022 February 10 , 2022 Nippon Koei Co. , Ltd. IR Inquiries : Corporate Communication Office c-com@n-koei.co.jp This presentation is provided for informational purposes only and is not intended to solicit any action . Presentation in the materials ( including forecasts of financial results ) is based on credible information available at the time of publication and certain assumptions Nippon Koei believes to be reasonable . Various factors may cause actual results to differ from the projected numbers or other expectations implied or expressed in this presentation . 1