X0201 5 2003-12-31 0 0 0 0000216851 PETROLEUM & RESOURCES CORP pete04$$ 0001202952 HOOPER LAWRENCE L JR 7 ST PAUL STREET STE 1140 BALTIMORE MD 21202 0 1 0 0 VP, Gen'l Counsel & Sec'y Common Stock 2003-12-31 5 J 0 220 0 A 1498 I By Issuer's Thrift Plan Trust Common Stock 2003-12-31 5 J 0 1 0 A 14 D The number of shares of Common Stock reported as held by the Issuer's Thrift Plan Trust represents the undersigned's proportionate beneficial interest in such stock held in the Trust. Such number is based on information as of 12/31/03, the most recent date as of which such information is available. This number reflects periodic contributions made during 2003 and changes in the number of shares previously reported due to fluctuations in market price and interests in the Trust. Shares were acquired by the Trustee at various times during 2003. The Issuer's stock traded in a range of $23.77-$18.28 during the year 2003. Shares were acquired at various times during year 2003 as a result of dividend reinvestment. The Issuer's stock traded in a range of $23.77-$18.28. Reflects exempt acquisition as a result of dividend reinvestment. Lawarence L. Hooper, Jr. 2004-02-12