東海カーボン（5301） – Notice of Additional Acquisition of Shares of Consolidated Subsidiary

April 28, 2022 For immediate release (Stock Code 5301 TSE Prime Market) Company Name: Tokai Carbon Co., Ltd. Representative: Hajime Nagasaka President &CEO Contact: Masafumi Tsuji, General Manager, Corporate Planning Department Telephone: +81-3-3746-5228 Notice of Additional Acquisition of Shares of Consolidated Subsidiary Tokai Carbon Co., Ltd. (hereafter, Tokai Carbon”) hereby announces the decision made at the Board of Directors meeting held on April 27, 2022 to acquire 350,000 shares of Tokai Carbon Korea Co., Ltd. (hereinafter, “TCK”), a consolidated subsidiary of Tokai Carbon, from KC Co., Ltd. (hereinafter, “KC”), the second largest shareholder of TCK after Tokai Carbon (hereinafter, the “Transaction”). The aggregate percentage of shareholding of Tokai Carbon in TCK will be 47.4% from 44.4% after the Transaction. 1. Reason for the additional acquisition of shares corporate value of the Tokai Carbon Group. The additional shares will be acquired in order to stabilize the management of TCK and to enhance the 2．Overview of Tokai Carbon Korea., Ltd. (TCK) (as of April 27, 2022) Name of Company Tokai Carbon Korea Co., Ltd. 71, Gaejeongsaneopdanji-ro, Miyang-myeon, Anseong-si, Gyeonggi-do, Location Name and Title of Representative Republic of Korea President/CEO Young-Hee Kim Business Description coated/solid products Capital KRW 5,838MM Date Established Major Shareholders and Ownership Ratio August 7, 1996 Tokai Carbon Co., Ltd.（44.4%） KC Co., Ltd.（14.18%） Manufacturing and sale of carbon graphite products and CVD-SiC Capital Tokai Carbon holds 5,183,250 shares equivalent to 44.4% of relationship the total number of TCK’s outstanding shares Relationship with Tokai Personnel 1 officer and 1 employee of Tokai Carbon serve as Board Carbon relationship members of TCK Business Tokai Carbon sells products and also has a license relationship agreement on manufacturing technology 3．Overview of the seller (KC) (as of April 27, 2022) Name of Company KC Co., Ltd. 1 Location 39, Je2gongdan, 2-gil, Miyang-myeon, Anseong-si, Gyeonggi-do, Republic (1) (2) (3) (4) (5) (6) (7) (8) (1) (2) (3) (4) (5) (6) (7) (8) (2) (3) (1) (2) (3) of Korea Name and Title of Representative CEOs Sang Geol Koh, Kwan Tack Lim Business Description Manufacture, sales and R&D of semiconductor manufacturing equipment Capital KRW6,777MM Date Established February 16, 1987 Net Assets Total Assets Major Shareholders KRW747,305MM KRW964,516MM (9) and Shareholding Ko, Suk-Tai（33.7%） Ratio Relationship with Tokai (10) Carbon equivalent to 0.1% of Tokai Carbon’s outstanding shares Capital Relationship shares. In addition, KC holds 257,521 shares Tokai Carbon holds 104,525 shares equivalent to 0.8% of the KC’s outstanding Personnel Relationship Not applicable Business Relationship Not applicable Related Party Relationship Not applicable ４．Number of shares to be acquired, acquisition price and shareholdings before and after the Transaction Number of shares (1) held before the Transaction Number of shares to be acquired Consideration 5,183,250 shares （Number of voting rights: 5,183,250） （Ratio of voting rights held: 44.4%） 350,000 shares （Number of voting rights:350,000） JPY4.8billion* (4) Number of shares 5,533,250 shares （Number of voting rights: 5,533,250） （Ratio of voting rights held: 47.4%） * Price per share is based on the closing stock price on April 27, 2022. Applied exchange rate is JPY0.0973 to held after the Transaction the KRW . 5．Transaction schedule 6．Future prospects 2022. April 27, 2022 April 27, 2022 Resolution at the Board of Directors meeting Execution of share purchase agreement May 11,2022(planned) Completion of the share purchase There are no significant impact on our consolidated business performance for fiscal year ending December 31, End of notice 2