Petroleum & Resources Announces 2011 Performance +0.3%

Petroleum & Resources Corporation PEO announces the Corporation's performance for 2011. 2011 INVESTMENT RETURNS For the twelve months ended December 31, 2011, the total return on Petroleum & Resources' net asset value, with dividends and capital gains reinvested, was 0.3%. The comparable figures for the Dow Jones U. S. Oil & Gas Index, the Dow Jones U. S. Basic Materials Index, and the Lipper Global Natural Resources Funds Index were 4.1%, -14.7%, and -16.4%, respectively. The total return on Petroleum & Resources' market value was -2.3%. The annual distribution rate of dividends and capital gains paid to stockholders by the Corporation in 2011 was 7.1%, calculated by dividing the total dividends and capital gains distributed during the year by the average month-end market price of the Corporation's Common Stock.