13D Filing: Monarch Alternative Capital and Resolute Energy Corp (REN)

(a)    Each of MAC, MDRA GP
and Monarch GP indirectly beneficially own 2,073,400 shares of Common Stock. Such shares represent 9.21% of the 22,503,907 common shares outstanding as of October 31, 2017, according to the Form 10-Q
filed by the Issuer with the SEC on November 6, 2017. None of the individual Funds beneficially own a number of shares of Common Stock representing more than 5% of the outstanding shares of Common Stock.

(b)    MAC, MDRA GP and Monarch GP share voting and dispositive power over 2,073,400 shares of Common Stock held directly
by the Funds with each applicable Fund directly holding such shares.

(c)    Schedule II hereto sets forth all
transactions with respect to the Common Stock effected by the Reporting Persons in the past 60 days. All such transactions were effected in the open market, and per share prices include any commissions paid in connection with such transactions.

(d)    Not applicable.

(e)    Not applicable.

The Reporting Persons have entered into an agreement (the Joint Filing Agreement) with respect to the joint filing of this
statement and any amendment hereto, pursuant to Rule 13d-1(k)(1) promulgated under the Exchange Act. The description of the Joint Filing Agreement contained in this Schedule 13D is qualified in its entirety by
reference to the full text of the Joint Filing Agreement, a copy of which is filed as Exhibit 99.2 hereto and which is incorporated herein by reference.

Except as disclosed in this Schedule 13D, there are no contracts, arrangements, understandings or relationships with respect to securities of
the Issuer.