X0304 4 2012-01-12 0 0000216851 PETROLEUM & RESOURCES CORP PEO 0001353074 Prue Nancy J F PETROLEUM & RESOURCES CORPORATION 7 SAINT PAUL STREET BALTIMORE MD 21202 0 1 0 0 Executive Vice President Common Stock 2012-01-12 4 D 0 486 25.075 D 13241 I Direct and Indirect Common Stock 2012-01-12 4 F 0 476 25.075 D 12765 I Direct and Indirect Common Stock 2012-01-12 4 A 0 1874 0 A 14639 I Direct and Indirect Of these shares, 6,721 are held directly, 5,357 are held indirectly by the Issuer's Thrift Plan Trust, and 1,163 are held by The Adams Express Company Thrift Plan Trust. Of these shares, 6,245 are held directly, 5,357 are held indirectly by the Issuer's Thrift Plan Trust, and 1,163 are held by The Adams Express Company Thrift Plan Trust. N/A. Restricted Stock Grant. Shares will vest in 2015. Of these shares, 8,119 are held directly, 5,357 are held indirectly by the Issuer's Thrift Plan Trust, and 1,163 are held by The Adams Express Company Thrift Plan Trust. Nancy J. F. Prue 2012-01-17