A security analyst has regressed the monthly returns on Exxon Mobil equity shares over the past five years against those on the Standard & Poors 500 stock index over the same period. The resulting regression equation is rEM = 0.03 + 0.66rSP. Use this equation and any other information you deem appropriate to estimate Exxon Mobils equity beta. (Round your answer to 2 decimal places.)