Table of Contents Index to Financial Statements For the years ended December 31, (in millions) 2019 2018 Additions to properties and equipment $ 1,099  $ 1,290  Adjustments for capital investments: Changes in capital accruals 35  (53) Other  (1) 6  11  Total capital investing $ 1,140  $ 1,248  (1) Includes capitalized non-cash stock-based compensation and costs to retire assets, which are classified as cash used in operating activities. Capital Investing For the years ended December 31, (in millions except percentages) 2019 2018 Increase/ (Decrease) E&P capital investing $ 1,138  $ 1,231  Marketing capital investing  (1) —  9  Other capital investing 2  8  Total capital investing $ 1,140  $ 1,248  (9)% (1) Included our midstream gathering business in the Fayetteville Shale was sold in December 2018. For the years ended December 31, (in millions) 2019 2018 E&P Capital Investments by Type: Drilling and completions, including workovers $ 838  $ 895  Acquisitions of properties 55  51  Seismic expenditures 3  4  Water infrastructure projects 35  60  Drilling rigs, well services equipment and other 21  15  Capitalized interest and expenses 186  206  Total E&P capital investments $ 1,138  $ 1,231  E&P Capital Investments by Area Northeast Appalachia $ 365  $ 422  Southwest Appalachia 710  691  Fayetteville Shale  (1) —  33  Other  (2) 63  85  Total E&P capital investments $ 1,138  $ 1,231  (1) The Fayetteville Shale assets were sold in December 2018. (2) Includes $35 million and $60 million for the years ended December 31, 2019 and 2018, respectively, related to our water infrastructure project. For the years ended December 31, 2019 2018 Gross Operated Well Count Summary: Drilled 105  106  Completed 116  119  Wells to sales 113  138  Actual capital expenditure levels may vary significantly from period to period due to many factors, including drilling results, natural gas, oil and NGL prices, industry conditions, the prices and availability of goods and services, and the extent to which properties are acquired or non-strategic assets are sold. 62