日本システム技術（4323） – 【Delayed】Notice of Revision to Earnings Forecast

News Release Dated April 28, 2022 Company: Japan System Techniques Co., Ltd. Representative: Takeaki Hirabayashi, President and CEO Stock code: 4323, Tokyo Stock Exchange, Prime Market Contact: Toshinori Hamada, General Manager of Planning & Administration Division Tel: +81-6-4560-1000 Notice of Revision to Earnings Forecast Japan System Techniques Co., Ltd. (JAST) has revised its earnings forecast for the fiscal year ended March 31, 2022 (April 1, 2021 to March 31, 2022) that was announced on January 26, 2022. 1. Revision to the consolidated earnings forecast for the fiscal year ended March 31, 2022 (April 1, 2021 – March 31, 2022) Net sales Operating profit Ordinary profit Profit attributable to owners of parent Net income per share Million yen Million yen Million yen Million yen 21,000 21,350 350 1.7 1,700 1,980 280 16.5 1,730 2,030 300 17.3 1,050 1,300 250 23.8 Yen 177.28 219.49 – – 18,789 1,216 1,310 578 107.95 Previous forecast (A) Revised forecast (B) Change (B – A) Percentage change (%) (Reference) Previous fiscal year’s results (Fiscal year ended March 31, 2021) 2. Main reasons for revision Since the release of the fiscal-year consolidated earnings forecast on January 26, 2022, sales and earnings at all levels have increased more than initially expected due to the introduction of some orders ahead of schedule and the associated improvement in profitability in the GAKUEN, medical big data and BankNeo businesses using JAST’s own brands and the core software business. Note: Forecasts are based on assumption judged to be valid and information available to JAST’s management at the time this release was prepared. Actual results may differ from these forecasts.