13G Filing: Aurelius Capital Management and Peabody Energy Corporation (BTU)

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EXHIBIT 1

JOINT FILING AGREEMENT
PURSUANT TO RULE 13d-1(k)

The undersigned acknowledge and agree that the foregoing statement
on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule
13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The
undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy
of the information concerning him or it contained herein and therein, but shall not be responsible for the completeness and accuracy
of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information
is inaccurate.

DATE: April 13, 2017

ACP MASTER, LTD.
By:  Aurelius Capital Management, LP, solely as investment manager and not in its individual capacity
/s/ Samuel Jed Rubin
Name:  Samuel Jed Rubin
Title: General Counsel
AURELIUS CAPITAL MASTER, LTD.
By:  Aurelius Capital Management, LP, solely as investment manager and not in its individual capacity
/s/ Samuel Jed Rubin
Name:  Samuel Jed Rubin
Title: General Counsel
AURELIUS CAPITAL MANAGEMENT, LP
/s/ Samuel Jed Rubin
Name:  Samuel Jed Rubin
Title: General Counsel
MARK D. BRODSKY
/s/ Mark D. Brodsky

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