NEW YORK ( TheStreet) -- The ex-dividend date for PAA Natural Gas Storage L.P (NYSE: PNG) is tomorrow, May 2, 2012. Owners of shares as of market close today will be eligible for a dividend of 36 cents per share. At a price of $19 as of 9:30 a.m. ET, the dividend yield is 7.6%. The average volume for PAA Natural Gas Storage L.P has been 156,700 shares per day over the past 30 days. PAA Natural Gas Storage L.P has a market cap of $1.12 billion and is part of the utilities sector and utilities industry. Shares are up 1.1% year to date as of the close of trading on Monday. PAA Natural Gas Storage, L.P. engages in the development, acquisition, operation, and commercial management of natural gas storage facilities. As of December 31, 2011, it owned and operated three natural gas storage facilities located in Louisiana, Mississippi and Michigan. The company has a P/E ratio of 22.3, equal to the average utilities industry P/E ratio and above the S&P 500 P/E ratio of 17.7.