Key Takeaways XOM trades at a premium EV/EBITDA compared with peers, prompting valuation concerns.ExxonMobil's Permian and Guyana assets support low costs and rising production.XOM's refining strength, disciplined capex, and ROCE target aid shareholder returns.Exxon Mobil Corporation (XOM) is currently considered expensive on a relative basis, with the stock trading at a 7.71x trailing 12-month Enterprise Value to Earnings Before Interest, Taxes, Depreciation and Amortization (EV/EBITDA), which is at a prem ...