Table of Contents Index to Financial Statements The information regarding drilling and other exploratory and development activities required by Item 1205 of Regulation S-K is set forth below: (1) The Fayetteville Shale E&P assets were sold in December 2018. (1) The Fayetteville Shale E&P assets were sold in December 2018. Exploratory Productive Wells Dry Wells Total Year Gross Net Gross Net Gross Net 2019 Northeast Appalachia —  —  —  —  —  —  Southwest Appalachia —  —  —  —  —  —  Other —  —  —  —  —  —  Total —  —  —  —  —  —  2018 Northeast Appalachia —  —  —  —  —  —  Southwest Appalachia —  —  —  —  —  —  Fayetteville Shale  (1) —  —  —  —  —  —  Other —  —  —  —  —  —  Total —  —  —  —  —  —  2017 Northeast Appalachia —  —  —  —  —  —  Southwest Appalachia —  —  —  —  —  —  Fayetteville Shale  (1) —  —  —  —  —  —  Other 1.0  1.0  —  —  1.0  1.0  Total 1.0  1.0  —  —  1.0  1.0  Development Productive Wells Dry Wells Total Year Gross Net Gross Net Gross Net 2019 Northeast Appalachia 44.0  41.7  —  —  44.0  41.7  Southwest Appalachia 69.0  53.5  —  —  69.0  53.5  Total 113.0  95.2  —  —  113.0  95.2  2018 Northeast Appalachia 60.0  59.5  —  —  60.0  59.5  Southwest Appalachia 76.0  59.3  —  —  76.0  59.3  Fayetteville Shale  (1) 2.0  1.8  —  —  2.0  1.8  Total 138.0  120.6  —  —  138.0  120.6  2017 Northeast Appalachia 83.0  80.8  —  —  83.0  80.8  Southwest Appalachia 57.0  43.6  —  —  57.0  43.6  Fayetteville Shale  (1) 25.0  24.1  —  —  25.0  24.1  Total 165.0  148.5  —  —  165.0  148.5  42