X0306 4 2019-06-21 0001692819 Vistra Energy Corp. VST 0001001085 BROOKFIELD ASSET MANAGEMENT INC. BROOKFIELD PLACE 181 BAY STREET, SUITE 300 PO BOX 762 TORONTO A6 M5J2T3 ONTARIO, CANADA true Director by Deputization 0001540229 Partners Ltd BROOKFIELD PLACE 181 BAY STREET, SUITE 300 TORONTO A6 M5J2T3 ONTARIO, CANADA true Director by Deputization 0001685113 Brookfield Private Equity Inc. BROOKFIELD PLACE 181 BAY STREET, SUITE 300 TORONTO A6 M5J2T3 ONTARIO, CANADA true Director by Deputization 0001768973 Brookfield US Inc. BROOKFIELD PLACE 200 VESEY STREET NEW YORK NY 10281-1023 true Director by Deputization 0001703248 Brookfield Private Equity Holdings LLC BROOKFIELD PLACE 200 VESEY STREET NEW YORK NY 10281-1023 true Director by Deputization 0001703172 Brookfield Private Equity Direct Investments Holdings LP BROOKFIELD PLACE 200 VESEY STREET NEW YORK NY 10281-1023 true Director by Deputization 0001703159 Titan Co-Investment-RBS, L.P. BROOKFIELD PLACE 200 VESEY STREET NEW YORK NY 10281-1023 true Director by Deputization 0001703169 Titan Co-Investment GP, LLC BROOKFIELD PLACE 200 VESEY STREET NEW YORK NY 10281-1023 true Director by Deputization 0001685157 Brookfield Private Equity Group Holdings LP BROOKFIELD PLACE 181 BAY STREET, SUITE 300 TORONTO A6 M5J2T3 ONTARIO, CANADA true Director by Deputization 0001685158 Brookfield Capital Partners Ltd. BROOKFIELD PLACE 181 BAY STREET, SUITE 300 TORONTO A6 M5J2T3 ONTARIO, CANADA true Director by Deputization Common Stock, par value $0.01 per share 2019-06-21 4 S 0 1900000 23.75 D 228500 I See Footnotes Common Stock, par value $0.01 per share 23590052 I See Footnotes Common Stock, par value $0.01 per share 2033745 I See Footnotes Common Stock, par value $0.01 per share 641474 I See Footnotes Common Stock, par value $0.01 per share 141767 I See Footnotes Common Stock, par value $0.01 per share 258758 I See Footnotes Common Stock, par value $0.01 per share 258758 I See Footnotes Common Stock, par value $0.01 per share 2666345 I See Footnotes Common Stock, par value $0.01 per share 669021 I See Footnotes Common Stock, par value $0.01 per share 283533 I See Footnotes Common Stock, par value $0.01 per share 269579 I See Footnotes Common Stock, par value $0.01 per share 570534 I See Footnotes Common Stock, par value $0.01 per share 4505400 I See Footnotes Common Stock, par value $0.01 per share 5472721 I See Footnotes See Exhibit 99.1 for text of footnote (1). See Exhibit 99.1 for text of footnote (2). See Exhibit 99.1 for text of footnote (3). See Exhibit 99.1 for text of footnote (4). See Exhibit 99.1 for text of footnote (5). See Exhibit 99.1 for text of footnote (6). See Exhibit 99.1 for text of footnote (7). See Exhibit 99.1 for text of footnote (8). See Exhibit 99.1 for text of footnote (9). See Exhibit 99.1 for text of footnote (10). See Exhibit 99.1 for text of footnote (11). See Exhibit 99.1 for text of footnote (12). See Exhibit 99.1 for text of footnote (13). See Exhibit 99.1 for text of footnote (14). See Exhibit 99.1 for text of footnote (15). See Exhibit 99.1 for text of footnote (16). See Exhibit 99.1 for text of footnote (17). See Exhibit 99.1 for text of footnote (18). See Exhibit 99.1 for text of footnote (19). See Exhibit 99.1 for text of footnote (20). This Form 4 is being filed by Designated Filer Brookfield Asset Management Inc. in two parts due to the technical limitation on the number of reporting persons per filing. This filing is part one of two. Exhibit 99.1 (Form 4 Footnotes) and Exhibit 99.2 (Joint Filer Information) are incorporated herein by reference. BROOKFIELD ASSET MANAGEMENT INC. By: /s/ Katayoon Sarpash Name: Katayoon Sarpash Title: Vice President 2019-06-25