Exxon Mobil Corp (XOM) WACC Analysis

As of May 25, 2025, Exxon Mobil Corp (XOM) carries a Weighted Average Cost of Capital (WACC) of 8.6%. WACC reflects the blended rate Exxon Mobil Corp must pay to both equity and debt holders.

Within that, the cost of equity is 8.1%, the cost of debt is 4.0%, and the effective tax rate is 25.4%.

Breakdown of WACC Components

• Long-term bond rate: 3.9% – 4.4%
• Equity market risk premium: 4.6% – 5.6%
• Adjusted beta: 0.91 – 0.96
• Additional risk adjustment: 0.0% – 0.5%
• Debt-to-equity ratio: 0.09

What It Means for Investors

With a selected WACC of 8.6%, Exxon Mobil Corp must ensure any new investment returns exceed this threshold to generate shareholder value. This level reflects a moderate financing cost structure.