Anton Oilfield Services : MINIMUM YIELD OF THE NEW NOTES

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

This announcement does not constitute an offer to sell or the solicitation of an offer to buy any securities in the United States or any other jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No securities may be offered or sold in the United States absent registration or an applicable exemption from registration requirements. Any public offering of securities to be made in the United States will be made by means of a prospectus. Such prospectus will contain detailed information about the company making the offer, management, as well as financial statements. The Company does not intend to make any public offering of securities in the United States.

Reference is made to the announcement of the Company dated November 13, 2017 (the "Announcement"). Unless otherwise defined, capitalized terms in this announcement will have the same meaning as those defined in the Announcement.

The Company is pleased to announce that the New Notes will bear the minimum yield of 10.00% per annum.

The Company will make a further announcement in respect to the actual yield and interest rate of the New Notes and the results of the Exchange Offer in due course.

Shareholders, holders of the Existing Notes and potential investors should note that completion of the Exchange Offer and the Concurrent New Money Issuance remains subject to the fulfillment or waiver of the conditions precedent to the Exchange Offer and the Concurrent New Money Issuance as set forth in the Exchange Offer Memorandum and summarized in the Announcement. No assurance can be given that the Exchange Offer and the Concurrent New Money Issuance will be completed and the Company reserves the right to amend, withdraw or terminate the Exchange Offer and the Concurrent New Money Issuance with or without conditions.

The Company may, at its sole discretion, amend or waive certain of the conditions precedent to the Exchange Offer and the Concurrent New Money Issuance. As the Exchange Offer and the Concurrent New Money Issuance may or may not proceed, shareholders, holders of the Existing Notes and potential investors should exercise caution when dealing in the shares of the Company or the Existing Notes.

The distribution of this announcement in certain jurisdictions may be restricted by law. Persons into whose possession this announcement comes are required to inform themselves about, and to observe, any such restrictions.

IMPORTANT NOTICE - THE EXCHANGE OFFER IS AVAILABLE ONLY TO INVESTORS WHO ARE NOT U.S. PERSONS (WITHIN THE MEANING OF REGULATION S) AND ARE OUTSIDE THE UNITED STATES. U.S. PERSONS (AS DEFINED UNDER REGULATION S), PERSONS ACTING FOR THE ACCOUNT OR BENEFIT OF U.S. PERSONS AND PERSONS LOCATED IN THE UNITED STATES ARE NOT PERMITTED TO TENDER THE EXISTING NOTES IN THE EXCHANGE OFFER.

Hong Kong, November 20, 2017

By Order of the Board

Anton Oilfield Services Group LUO Lin

Chairman

As at the date of this announcement, the executive Directors of the Company are Mr. LUO Lin, Mr. WU Di and Mr. PI Zhifeng; the non-executive Director is Mr. John William CHISHOLM and the independent non-executive Directors are Mr. ZHANG Yongyi, Mr. ZHU Xiaoping and Dato WEE Yiaw Hin.