X0202 4 2007-01-11 0 0000216851 PETROLEUM & RESOURCES CORP PEO 0001202953 JONES MAUREEN A 7 ST PAUL STREET STE 1140 BALTIMORE MD 21202 0 1 0 0 VP, CFO & Treasurer Common Stock 2007-01-11 4 A 0 957 0 A 2525 D Common Stock 2007-01-11 5 J 0 E 504 0 A 2693 I By Issuer's Thrift Plan Trust Common Stock 2007-01-11 5 J 0 E 14 0 A 141 I By ADX Thrift Plan Trust N/A. Restricted Stock Grant. Shares will vest in 2010. Of these shares, 11.956 shares were acquired in exempt transactions as a result of dividend reinvestment. The number of shares 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 12/31/2006, the most recent date as of which such information is available. This number reflects periodic contributions made during 2006, shares acquired by Trustee through dividend reinvestment, and changes in the number of shares previously reported due to fluctuations in the market price and interests in the Trust. Shares were acquired by the Trustee at various times during 2006. The Issuer's stock traded in a range of $30.02-$36.81 during 2006. The number of shares reported as held by the The Adams Express Company (ADX)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 12/31/2006, the most recent date as of which such information is available. This number reflects periodic contributions made during 2006, shares acquired by Trustee through dividend reinvestment, and changes in the number of shares previously reported due to fluctuations in the market price and interests in the Trust. Shares were acquired by the Trustee at various times during 2006. The Issuer's stock traded in a range of $30.02-$36.81 during 2006. Maureen A. Jones 2007-01-16