EXPLANATORY NOTE DEREGISTRATION OF SECURITIES
On March 6, 2017, Key Energy Services, Inc. (the Company) filed a registration statement on Form S-3 (Registration
No. 333-216474) (as amended, the Registration Statement), which registered for resale from time to time up to 6,084,637 shares of the Companys common stock issued to the selling stockholders identified in the Registration
Statement. The Registration Statement was declared effective by the Securities and Exchange Commission (the Commission) on April 13, 2017.
In accordance with the undertaking contained in the Registration Statement pursuant to Item 512(a)(3) of Regulation S-K, the Company
respectfully requests that the Commission remove from registration all shares of its common stock that remain unsold under the Registration Statement. The Company is requesting the removal from registration of these shares as its obligation to
maintain the effectiveness of the Registration Statement pursuant to the Registration Rights Agreement dated as of December 15, 2016 among the Company and the selling stockholders has been terminated.
Accordingly, the Company hereby de-registers all shares of its common stock registered pursuant to the Registration Statement remaining unsold