Exxon CEO: First-quarter results reflect an 'improving market'

Exxon reported quarterly earnings of 65 cents per share, 6 cents a share above estimates. Revenue came in above forecasts as well. Exxon said it lowered cash operating expenses compared to a year ago and expects to deliver additional cost savings. Exxon Mobil CEO Darren Woods joined "Squawk Box" on Friday to discuss.