Table of Contents Index to Financial Statements 2018 2017 2016 2015 2014 Capitalization (in millions) Total debt $ 2,318  $ 4,391  $ 4,653  $ 4,705  $ 6,957  Total equity 2,362  1,979  917  2,282  4,662  Total capitalization $ 4,680  $ 6,370  $ 5,570  $ 6,987  $ 11,619  Total assets $ 5,797  $ 7,521 $ 7,076 $ 8,086 $ 14,915  Capitalization ratios: Debt 50%  69%  84%  67%  60%  Equity 50%  31%  16%  33%  40%  Capital Investments (in millions)  (1) Exploration and production $ 1,231  $ 1,248  $ 623  $ 2,258  $ 7,254  Midstream 9  32  21  167  144  Other 8  13  4  12  49  $ 1,248  $ 1,293  $ 648  $ 2,437  $ 7,447  Exploration and Production Natural gas: Production  (Bcf) 807  797  788  899  766  Average realized price per Mcf, including derivatives $ 2.35  $ 2.19  $ 1.64  $ 2.37  $ 3.72  Average realized price per Mcf, excluding derivatives $ 2.45  $ 2.23  $ 1.59  $ 1.91  $ 3.74  Oil: Production  (MBbls) 3,407  2,327  2,192  2,265  235  Average realized price per barrel, including derivatives $ 56.07  $ 43.12  $ 31.20  $ 33.25  $ 79.91  Average realized price per barrel, excluding derivatives $ 56.79  $ 43.12  $ 31.20  $ 33.25  $ 79.91  NGL: Production  (MBbls) 19,706  14,245  12,372  10,702  231  Average realized price per barrel, including derivatives $ 17.23  $ 14.48  $ 7.46  $ 6.80  $ 15.72  Average realized price per barrel, excluding derivatives $ 17.91  $ 14.46  $ 7.46  $ 6.80  $ 15.72  Total production  (Bcfe) 946  897  875  976  768  Lease operating expenses per Mcfe $ 0.93  $ 0.90  $ 0.87  $ 0.92  $ 0.91  General and administrative expenses per Mcfe $ 0.19  $^{(2)}$$ 0.22  $^{(3)}$$ 0.22  $^{(4)}$$ 0.21  $ 0.24  Taxes, other than income taxes per Mcfe $ 0.09  $^{(5)}$$ 0.10  $ 0.10 $^{(6)}$$ 0.10  $ 0.11  Proved reserves at year-end: Natural gas  (Bcf) 8,044  11,126  4,866  5,917  9,809  Oil  (MMBbls) 69.0  65.6  10.5  8.8  37.6  NGLs  (MMBbls) 577.1  542.4  53.9  40.9  118.7  Total reserves  (Bcfe) 11,921  14,775  5,253  6,215  10,747  Midstream Volumes marketed  (Bcfe) 1,163  1,067  1,062  1,127  904  Volumes gathered  (Bcf)  (7) 382  499  601  799  963  (1) Capital investments include a decrease of $53 million for 2018, an increase of $43 million for 2016, a decrease of $33 million for 2015, and an increase of $155 million for 2014, related to the change in accrued expenditures between years. There was no impact to 2017. (2) Excludes $36 million of restructuring charges and $9 million of legal settlement charges for 2018. (3) Excludes $5 million of legal settlements for 2017. (4) Excludes $78 million of restructuring and other one-time charges for 2016. (5) Excludes $1 million of restructuring charges for 2018. (6) Excludes $3 million of restructuring charges for 2016. (7) Our Fayetteville Shale related gathering assets were sold on December 3, 2018. Substantially all of the gathered volumes in each of the years presented relate to gathering assets that have been divested. 48