EXHIBIT 99.1 Table of Contents First Quarter 2024 Supplemental Financial and Operating Data Page Income Statements 12 Wellhead Volumes and Prices 13 Balance Sheets 14 Cash Flow Statements 15 Non-GAAP Financial Measures 16 Adjusted Net Income 17 Net Income Per Share 24 Adjusted Net Income Per Share 26 Cash Flow from Operations and Free Cash Flow 28 Net Debt-to-Total Capitalization Ratio 29 11 Income Statements In millions of USD, except share data (in millions) and per share data (Unaudited) 2023 2024 1st Qt ...