X0206 3 2017-05-08 0 0001692819 Vistra Energy Corp VST 0001605616 Baiera Gavin R. C/O ANGELO, GORDON & CO., L.P. 245 PARK AVE., 26TH FLOOR NEW YORK NY 10167 1 0 0 0 Common Stock 18320311 I See Footnote All of the shares reported are owned by funds and accounts managed by Angelo, Gordon & Co., L.P. and may be deemed to be beneficially owned by Mr. Baiera as a managing director thereof. /s/ Gavin R. Baiera 2017-05-08