サイオス（3744） – Summary of Financial Results for the fiscal year ended December 31,2021

Consolidated financial result SIOS Corporation Consolidated Financial Result (For the fiscal year ended December 31, 2021) February 3, 2022 2-12-3 Minami Azabu, Minato-ku, Tokyo 106-0047 Japan Tokyo Stock Exchange (TSE) SIOS Corporation Company name: Address: Stock exchange listings: Code number : URL: Representative: Contact: Scheduled date of annual shareholders’ meeting: March 25, 2022 Scheduled date of financial report FSA filing: March 28, 2022 Scheduled date of dividend payment: March 28, 2022 3744 https://www.sios.com/ Nobuo Kita, Representative Director Tokutaro Kobayashi, S.V.P. of Finance & Accounting Phone: +81-3-6401-5111 (Note) All figures in the financial statements are rounded down to the nearest millionth. ‘-‘ indicates a loss or negative figure. 1. Consolidated results (January 1, 2021 through December 31, 2021) (% of change from previous year) (1) Consolidated business results Net sales FY2021 FY2020 (Note)Comprehensive income : FY2021: 424 million yen/ 51.9% FY2020: 279 million yen/ -% Operating income Million yen Ordinary income Million yen Million yen 15,725 14,841 % 56.1 166.4 51.7 329.9 358 236 400 256 6.0 8.4 % % Net income Million yen % 367 310 18.6 858.4 Net income per share – Basic Net income per share – Diluted Return on equity Yen 42.42 35.78 Yen – – FY2020: 6 million yen Ratio of ordinary income to total assets % 5.9 4.2 % 22.0 22.4 Operating income ratio % 2.3 1.6 (Note) Equity in earnings: FY2021: 38 million yen (2) Consolidated financial position Total assets Net assets Equity ratio Net assets per share Million yen 6,649 6,851 Million yen 1,897 1,548 % 27.7 21.9 As of Dec. 31, 2020: 1,500 million yen Yen 212.12 173.15 (Reference) Equity: As of Dec. 31, 2021: 1,838 million yen (3) Consolidated cash flows FY2021 FY2020 2. Cash dividends Record Date Cash flow from operating activities Cash flow from investing activities Cash flow from financing activities Cash and cash equivalents – ending Million yen 587 649 Million yen 58 151 Million yen -267 -182 Million yen 3,148 2,728 End of Q1 Dividend per share End of Q3 End of Q2 Year-end Annual Yen Yen Yen Yen Yen Million Total of dividend (annual) Payout ratio (consolidated) Net assets dividend ratio (consolidated) % FY2020 FY2021 FY2022 (forecast) 0.00 0.00 0.00 (Note)Breakdown of the year-end dividend for the fiscal year ended December 31, 2021 10.00 15.00 10.00 10.00 15.00 10.00 ‐ ‐ ‐ ‐ ‐ ‐ Ordinary dividend: ¥10.00; Commemorative dividend to celebrate 25th founding anniversary: ¥5.00 3. Forecast of consolidated results for FY2022 (January 1, 2022 through December 31, 2022) yen 86 130 % 27.9 35.4 144.5 5.8 7.1 Net sales Operating income Ordinary income FY2022 Million yen 16,000 % 1.7 Million yen 100 % -72.1 Million yen 120 % -70.0 (% of change from previous year) Net income per share Profit attributable to owners of parent Million yen 60 % -83.7 Yen 6.92 FY2021 FY2020 FY2021 FY2020 – 1 – Consolidated financial result SIOS Corporation 4. Others FY2021 FY2020 FY2021 FY2020 FY2021 FY2020 (1) Reclassification of significant subsidiaries during the period (Reclassification due to change in scope of consolidation): None (2) Change in accounting policies, accounting estimates and restatement (i) Change in accounting policies associated with revision of accounting standards: None (ii) Change arising from other factors: None (iii) Change in accounting estimates: YES (iv) Restatement: None (3) Number of outstanding shares (common shares) (i) Number of outstanding shares (including treasury stock) (ii) Number of treasury stock (iii) Average number of outstanding shares FY2021 FY2021 FY2021 8,874,400 shares FY2020 8,874,400 shares 205,838 shares FY2020 205,838 shares 8,668,562 shares FY2019 8,668,596 shares (Reference) 1. Non-consolidated results (January 1, 2021 through December 31, 2021) (% of change from previous year) (1) Non-consolidated financial results Net sales Million yen % 1,306 1,002 30.3 -13.6 Operating income Million yen % Ordinary income Million yen Net income % Million yen % 346 121 185.2 -64.6 339 118 187.3 -67.5 310 78 296.8 -75.4 Net income per share – Basic Net income per share – Diluted Yen 35.78 9.02 Yen – – (2) Non-consolidated financial position Total assets Net assets Equity ratio Net assets per share Million yen 2,903 2,774 Million yen 1,867 1,643 % 64.3 59.2 Yen 215.39 189.60 (Note) Equity As of Dec. 31, 2021: 1,867 million yen Explanation about proper use of forecasts of consolidated financial results and other special notes 1. As of Dec. 31, 2020: 1,643 million yen Information Regarding the Audit Review Procedure: This report is outside the scope of the procedures for audit of financial statements as required under the financial instruments and Exchange Act of Japan. The aforementioned procedures have not been completed as of the time of disclosure of this document. 2. Forecasts announced by the company referred to above were prepared based on management’s assumption with information available at this time and therefore involve known and unknown risks and uncertainties. Please note such risks and uncertainties may cause the actual results to be materially different from the forecasts. 3. This information to above is an UNOFFICIAL English-language translation of the original Japanese-language version. The format and contents of this document are defined by the requirements of the Tokyo Stock Exchange’s 2nd Section. To the extent that there are discrepancies between this translation and the original version, the original version shall be definitive. – 2 –