Accusation Regarding Insider Trading Involving Shares of Makino Milling Machine Co., Ltd.

Today, the Securities and Exchange Surveillance Commission filed an accusation with the Tokyo District Public Prosecutors Office against three suspects on suspicion of violating the Financial Instruments and Exchange Act (insider trading). The details of the alleged offense subject to accusation are as follows.

１．Details of the Offense Subject to Accusation

Suspect A, serving as Director and Head of the Investment Banking Division at Mita Securities Co., Ltd., learned in late August 2024, in connection with negotiations regarding the conclusion of a tender offer agent agreement and other contracts between the company and Nidec Corporation, that the decision-making body of the company had decided to conduct a tender offer for shares of Makino Milling Machine Co., Ltd. (hereinafter "Makino Milling"), which was listed on the securities market operated by Tokyo Stock Exchange, Inc. (hereinafter "Tokyo Stock Exchange"). Suspect B is an acquaintance of Suspect A, and Suspect C is an acquaintance of Suspect B. The three suspects, acting in concert and without any statutory grounds for exemption, purchased a total of 329,100 shares of Makino Milling through securities companies on the Tokyo Stock Exchange and other markets, under the names of B and 16 others, for a total amount of approximately 2,349,800,000 yen, during the period from early September to late December of the same year, prior to the public announcement of the fact regarding the implementation of the tender offer.

２．Relevant Provisions

Financial Instruments and Exchange Act
Article 197-2, Item 13 of the Act (prior to the amendment by Act No. 68 of 2022), Article 167, Paragraph 1, Item 4, and Article 60 of the Penal Code