In accordance with Rule 2.12 of the Irish Takeover Panel Act, 1997, Takeover Rules, 2022 (the “ Irish Takeover Rules ”), Horizon confirms that, as of the close of business on March 31, 2023, Horizon’s issued ordinary share capital is comprised of 228,576,339 ordinary shares, nominal value $0.0001 per share (the “ Ordinary Shares ”) and 40,000 deferred ordinary shares of €1.00 each.