The WACC of Phillips 66 (PSX) is 7.5%.
| Range | Selected | |
| Cost of equity | 6.80% - 11.20% | 9.00% |
| Tax rate | 20.60% - 22.70% | 21.65% |
| Cost of debt | 4.10% - 4.80% | 4.45% |
| WACC | 5.8% - 9.2% | 7.5% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.63 | 1.13 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.80% | 11.20% |
| Tax rate | 20.60% | 22.70% |
| Debt/Equity ratio | 0.36 | 0.36 |
| Cost of debt | 4.10% | 4.80% |
| After-tax WACC | 5.8% | 9.2% |
| Selected WACC | 7.5% | |