X0306 4/A 2012-07-02 2012-07-03 0 0000216851 PETROLEUM & RESOURCES CORP PEO 0001423744 Dale Kenneth James 7 ST. PAUL STREET BALTIMORE MD 21202 1 0 0 0 Common Stock 2012-07-02 4 A 0 125.55 23.8955 A 3414.91 D Represents deferred stock units received in lieu of director retainer fees at the election of the reporting person. Each deferred stock unit represents the right to receive one share of common stock. In the original filing, the transaction date was incorrectly listed as 04/02/2012. The correct transaction date is 07/02/2012. Due to rounding of shares reported in prior filing. Prior filing showed amount of securities beneficially owned as 3,412.55. Correct amount of securites beneficially owned following reported transactions is 3,414.91 /s/ Kenneth J. Dale 2012-07-03