X0202 4 2007-10-15 0 0000110430 FRONTIER OIL CORP /NEW/ FTO 0001184444 GIBBS JAMES R 10000 MEMORIAL DRIVE, SUITE 600 HOUSTON TX 77024-3411 1 1 0 0 Chrm., Pres. & CEO Common Shares 2007-10-15 4 J 0 1453510 D 342669 D Common Shares 2007-10-15 4 S 0 67606 45.05 D 275063 D Maturity of Forward Sale 2007-10-15 4 J 0 1 D Common Shares 0 D Pursuant to the existing terms of a forward contract entered into by the Reporting Person on March 2, 2005, the Reporting Person delivered 1,453,510 shares of common stock to a financial institution in satisfaction of the Reporting Person's obligations under the forward contract and received $11,566,109.73. Sales effected pursuant to a Rule 10b5-1 trading plan adopted 8/14/07. James R. Gibbs 2007-10-17