X0306 4 2016-11-07 0 0001389170 Targa Resources Corp. TRGP 0001387730 Heim Michael A 1000 LOUISIANA, SUITE 4300 HOUSTON TX 77002 1 1 0 0 Vice Chairman of the Board Common Stock 2016-11-07 4 S 0 24148 45.6698 D 172914 D Common Stock 2016-11-08 4 S 0 2500 47.25 D 19472 I By Wife Common Stock 2016-11-08 4 S 0 20000 46.7301 D 137378 I See Footnote Common Stock 2016-11-08 4 S 0 10000 46.1207 D 91672 I See Footnote Common Stock 2016-11-08 4 S 0 6000 47.2915 D 57973 I See Footnote Common Stock 2016-11-08 4 S 0 3600 47.3254 D 38400 I See Footnote Common Stock 52077 I By IRA Common Stock 155 I By Daughter Common Stock 155 I By Daughter The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.50 to $46.225, inclusive. The reporting person undertakes to provide to Targa Resources Corp., any security holder of Targa Resources Corp., or the staff of the United States Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1), (2) (4), (6) and (8) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.50 to $47.02, inclusive. These shares are held by The Michael Heim 2009 Family Trust, of which Mr. Heim and his son serve as co-trustees. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.005 to $46.21, inclusive. These shares are held by the Patricia Heim 2009 Grantor Retained Annuity Trust, of which Mr. Heim and his spouse serve as co-trustees. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.25 to $47.35, inclusive. These shares are held by the Pat Heim 2012 Family Trust, of which Mr. Heim's wife and his son serve as co-trustees. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.25 to $47.40, inclusive. These shares are held by the Heim 2012 Children's Trust, of which Mr. Heim serves as trustee. /s/ Michael A. Heim 2016-11-09