X0306 4 2014-01-14 0000936468 LOCKHEED MARTIN CORP LMT 0001573608 Ambrose Richard F 6801 ROCKLEDGE DRIVE BETHESDA MD 20817 1 Executive Vice President Phantom Stock Units 2014-01-14 4 J 0 943.2239 D Common Stock 943.2239 1701.3053 I Lockheed Martin LTIP Phantom Stock Units Common Stock 1513.2060 1513.2060 I LM Supplemental SSP Phantom Stock Units Common Stock 5731.7833 5731.7833 I Lockheed Martin DMICP The phantom stock units convert on a 1-for-1 basis. Settlement in cash of phantom stock units at $148.66 per share, following a two-year mandatory deferral period, pursuant to the Lockheed Martin Long Term Incentive Plan exempt under Section 16(b). End of period holdings include phantom stock units acquired through dividend reinvestment. Phantom stock units previously acquired under the Lockheed Martin Supplemental Salaried Savings Plan exempt under Section 16(b) and will be settled upon the reporting person's retirement or termination of service. Phantom stock units previously acquired under the Lockheed Martin Deferred Management Incentive Compensation Plan exempt under Section 16(b) which will be settled in stock upon the reporting person's retirement or termination of service. Richard F. Ambrose, by Marian S. Block, Attorney-in-fact 2014-01-16