Oaktree Capital Group, LLC 6.625% PFD UT A (OAK-PA) Form 4 Change in insider ownership

EXHIBIT 99.1

This statement on Form 4 is filed jointly by each of the undersigned. The principal business address of each of these reporting persons is 333 South Grand Avenue, 28th Floor, Los Angeles, California 90071.

Name of Designated Filer: Oaktree Capital Group Holdings GP, LLC

Date of Event Requiring Statement: March 13, 2018

Issuer Name: Vistra Energy Corp. [VST]

OAKTREE CAPITAL GROUP HOLDINGS GP, LLC
By:	/s/ Philip McDermott
Name:	Philip McDermott
Title:	Vice President

OAKTREE CAPITAL MANAGEMENT, L.P.
By:	/s/ Philip McDermott
Name:	Philip McDermott
Title:	Vice President

OAKTREE HOLDINGS, INC.
By:	/s/ Philip McDermott
Name:	Philip McDermott
Title:	Vice President

OAKTREE CAPITAL GROUP, LLC
By:	/s/ Philip McDermott
Name:	Philip McDermott
Title:	Vice President