Editor's Note: TheStreet ratings do not represent the views of TheStreet's staff or its contributors. Ratings are established by computer based on metrics for performance (which includes growth, stock performance, efficiency and valuation) and risk (volatility and solvency). Companies with poor cash flow or high debt levels tend to earn lower ratings in our model. NEW YORK ( TheStreet) -- The ex-dividend date for Phillips 66 (NYSE: PSX) is tomorrow, May 16, 2013. Owners of shares as of market close today will be eligible for a dividend of 31 cents per share. At a price of $64.45 as of 9:32 a.m. ET, the dividend yield is 2%. The average volume for Phillips 66 has been 4.6 million shares per day over the past 30 days. Phillips 66 has a market cap of $38.37 billion and is part of the basic materials sector and energy industry. Shares are up 20.7% year to date as of the close of trading on Tuesday. Phillips 66 operates as an independent downstream energy company. The company operates in three segments: Refining and Marketing (R&M), Midstream, and Chemicals. The company has a P/E ratio of eight, below the S&P 500 P/E ratio of 17.7.