NGK Insulators updates on treasury share buyback program for October

NGK Insulators, Ltd. announced on November 6, 2025, the status of its treasury share acquisitions for the period from October 1 to October 31, 2025. During this timeframe, the company acquired 1,343,400 shares of its common stock through market purchases, totaling JPY 3,400,006,443.

These purchases are part of a larger treasury share acquisition program approved by the board of directors on July 31, 2025. The resolution authorized the acquisition of up to 8.0 million shares of common stock, representing 2.7% of outstanding shares (excluding treasury shares), with a maximum total value of JPY 15 bn. The program's acquisition period spans from August 1, 2025, to December 23, 2025, also through market purchases.

As of October 31, 2025, the cumulative number of shares acquired under this resolution stands at 3,835,600 shares, with a total value of JPY 9,115,916,069. The company's representatives include president Shigeru Kobayashi and Hideaki Tsukui, vice president and general manager of the finance and accounting department.