Notice Regarding the Status of Treasury Stock Acquisition (Acquisition of Treasury Stock Based on the Provision of Article 165, Paragraph 2 of the Companies Act)

Overview of Treasury Stock Acquisition

Osaka Gas Co., Ltd. has implemented treasury stock acquisition based on the Board of Directors’ resolution dated May 8, 2025, pursuant to the provisions of Article 165, Paragraph 3 of the Companies Act. During the period from December 1 to December 31, 2025, 1,065,600 common shares were acquired by market purchase on the Tokyo Stock Exchange, with a total acquisition price of 5,706,995,295 yen. The Board resolution set an upper limit of 30 million shares (7.42% of the total issued shares) for the number of shares to be acquired, an upper limit of 70 billion yen for the acquisition price, and an acquisition period from May 9, 2025 to April 24, 2026.

Cumulative Acquisition Status and Impact on Shareholders

Since the Board resolution on May 8, 2025, a cumulative total of 10,539,200 treasury shares have been acquired through December 31, 2025, at a total acquisition cost of 44,530,575,163 yen. This has increased the proportion of treasury stock relative to the total issued shares, potentially impacting shareholder composition and per-share indicators. The acquisition method was market purchase, which is presumed to be part of capital policies aimed at shareholder returns and improving capital efficiency; however, detailed use of funds has not been disclosed.