X0202 4 2007-12-31 0000936468 LOCKHEED MARTIN CORP LMT 0001027152 MCCORKINDALE DOUGLAS H 6801 ROCKLEDGE DRIVE BETHESDA MD 20817 1 0 0 0 Phantom Stock Units 2007-12-31 4 A 0 331.1397 0 A Common Stock 331.1397 9777.8007 I LM Directors Deferred Comp Plan Phantom Stock Units Common Stock 5233.8715 I LM Directors Equity Plan The phantom stock units convert on a 1 for 1 basis. The information pertains to phantom stock units acquired through Director retainer fee deferral under the Lockheed Martin Directors Deferred Compensation Plan exempt under Section 16(b). Units are settled upon the reporting person's retirement or termination of service. End of period holdings include additional phantom stock units acquired through dividend reinvestment under the Lockheed Martin Directors Deferred Compensation Plan exempt under Section 16(b). Units are settled upon the reporting person's retirement or termination of service. End of period holdings include additional phantom stock units acquired through dividend reinvestment under the Lockheed Martin Directors Equity Plan exempt under Section 16(b). Units are settled upon the reporting person's retirement or termination of service. Douglas H. McCorkindale by David A. Dedman, Attorney-in-Fact 2008-01-03