日本システム技術（4323） – 【Delayed】Notice of Change in Major Shareholder

News Release Dated March 15, 2022 Company: Japan System Techniques Co., Ltd. Representative: Takeaki Hirabayashi, President and CEO Stock code: 4323, Tokyo Stock Exchange, First Section Contact: Hiroyuki Norimoto, General Manager of General Affairs Department Tel: +81-6-4560-1000 Notice of Change in Major Shareholder Japan System Techniques Co., Ltd. (JAST) announces that on March 14, 2022, its major shareholder has changed as follows: JAST has confirmed a change in a major shareholder as the Large Shareholding Report (amended report) was submitted by the following shareholder to the Kanto Local Finance Bureau on March 14, 2022. 1. Background on change 2. Overview of change in shareholder (1) Name (2) Location (3) Representative (4) Business shareholders MIRI Capital Management LLC 745 Boylston Street, Suite 301, Boston, MA 02116, USA Benjamin G. Griffith Investment advisory business 3. Number of voting rights (number of shares) held and percentage of total voting rights held by the Before the change (As of December 3, 2021) After the change (As of March 7, 2022) Number of voting rights (Number of shares) 5,862 (586,200) 6,534 (653,400) Percentage of total voting rights* Major shareholder ranking 9.45% 10.53% Third Second * The percentages of total voting rights are calculated based on 62,039 voting rights as of September 30, 2021, which is the most recently determined date. Number of shares deducted from the total number of issued shares without voting rights: 3,530 Total number of issued shares as of September 30, 2021: 6,209,230 4. Outlook There is no significant reportable information on the future outlook as the change in major shareholder is based on the Large Shareholding Report (amended report).