X0201 5 2003-12-31 0 0 0 0000216851 PETROLEUM & RESOURCES CORP PEO 0001202949 OBER DOUGLAS G 7 ST PAUL STREET STE 1140 BALTIMORE MD 21202 1 1 0 0 Chairman, CEO & President Common Stock 2003-12-31 5 J 0 1892 A 15196 I By Issuer's Thrift Plan Trust Common Stock 2003-12-31 5 J 0 4 A 87 D The number of shares of Common Stock reported as held by the Issuer's Thrift Plan Trust represents the undersigned's remaining proportionate beneficial interest in such stock held in the Trust. Such number is based on information as of December 31, 2003, the most recent date of which such information is available. This number reflects periodic contributions made during 2003 and fluctuations in market price and interest in the Trust. Shares were acquired by the Trustee at various times during 2003. The issuer's stock straded in a range of $23.77-$18.28 during year 2003. Shares were acquired as exempt transactions as a result of dividend reinvestment. Shares were acquired at various times during 2003. The Issuer's stock traded in a range of $23.77-$18.28 during year 2003. Douglas G. Ober 2004-02-12