| Revenues | 2.36B |
| Cost of sales and fuel | 1.75B |
| Net margin | |
| Operations and maintenance | |
| Depreciation and amortization | 98.55M |
| General taxes | |
| Total operating expenses | |
| Loss on sale of assets | |
| Operating income | 329.36M |
| Equity earnings from investments (Note J) | 35.16M |
| Allowance for equity funds used during construction | 0 |
| Other income | 4.24M |
| Other expense | -710K |
| Interest expense | -118.24M |
| Income before income taxes | 249.8M |
| Income taxes | -55.01M |
| Net income | 194.22M |
| Less: Net income attributable to noncontrolling interests | 102.07M |
| Net income attributable to ONEOK | 92.14M |
| Net earnings per share, basic (in dollars per share) | 0.44 |
| Net earnings per share, diluted (in dollars per share) | 0.43 |
| Basic | 211.31M |
| Diluted | 212.87M |
| Dividends declared per share of common stock | 0.62 |