Petroleum & Resources Announces 2010 Investment Returns

Petroleum & Resources Corporation PEO announces the Corporation's performance for 2010. 2010 INVESTMENT RETURNS For the twelve months ended December 31, 2010, the total return on Petroleum & Resources' net asset value, with dividends and capital gains reinvested, was 20.8%. The comparable figures for the Dow Jones U.S. Oil & Gas Index, the Dow Jones U.S. Basic Materials Index, and the S&P 500 Composite Stock Index were 19.7%, 31.7%, and 15.1%, respectively. The total return on Petroleum & Resources' market value was 19.6%. The annual distribution rate of dividends and capital gains paid to stockholders by the Corporation in 2010 was 5.5%, calculated by dividing the total dividends and capital gains distributed during the year by the average daily market price of the Corporation's Common Stock.