Anton Oilfield Services Group announced that Reference is made to the announcement of the Company dated 21 November 2022 (the
"Announcement") regarding the partially repurchase of the USD 300,000,000 7.5% senior notes due 2022 (the "2022 Notes"). The Board announced that as at 2 December, the due date of the 2022 Notes, the Company has repaid an aggregate principal amount of USD 83,759,000 for all the outstanding 2022 Notes, and all relevant interests. The Company had kept a proactive management of the 2022 Notes through an exchange offer
in July 2021 and following repurchases of the Notes through secondary market in accordance to the bond market conditions. Together with the repayment of the outstanding 2022 Notes with an aggregate principal amount of USD 83,759,000, the Company had completed the fully repayment of
the USD 300,000,000 2022 Notes.