To whom it may concern:
March 2, 2026
Name of the Company: Cosmo Energy Holdings Company, Limited
(Code: 5021 Shares Traded: TSE Prime section) Name of Representative: Shigeru Yamada,
Representative Director, Group CEO Name of Contact Person: Masahiro Oikawa,
General Manager of Corporate Communication Dept.
TEL +81-3-6743-7538
Notice Regarding Progress on the Stock Repurchase（Repurchases of Shares of the Company’s Own Stock in Accordance with the Provisions of Articles of Incorporation Pursuant to Article 165, Paragraph 2 of the Companies Act)
COSMO ENERGY HOLDINGS COMPANY, LIMITED (hereinafter referred to as the “Company”) hereby announces of progress on the stock repurchase which was resolved by the Board of Directors held on February 6, 2026, pursuant to Article 156 of the Companies Act of Japan as applicable through Article 165, Paragraph 3 of the Act, as follows.
Type of Shares Repurchased: Common stock
Total Number of Shares Repurchased: 4,681,200 shares
Total Value of Stock Repurchases: 22,074,246,400 yen
Repurchase Period: February 9, 2026 - February 28, 2026
Details of Resolution of Board of Directors held on February 6, 2026
Type of Shares to be Repurchased : Common shares
Total Number of Shares to be Repurchased : 6,250,000 shares (maximum limit)
(Ratio of the total number of issued and outstanding shares [excluding treasury shares]: 3.81％)
Aggregate Value of Repurchases : JPY 25.0 billion (maximum limit)
Repurchase Period : February 9, 2026 - March 31, 2026
Repurchase Method:
Purchase through off-floor trading on Tokyo Stock Exchange (ToSTNeT-3)
Purchase by means of market trades on the Tokyo Stock Exchange
(By means of market trades based on a discretionary investment contract with a securities firm)
Accumulated total number of stocks repurchased by the Company as of February 28, 2026: Total Number of stocks repurchased 4,681,200 shares
Total Value of stocks repurchased 22,074,246,400 yen
End