X0303 4 2011-01-28 0000936468 LOCKHEED MARTIN CORP LMT 0001312562 Heath Ralph D 6801 ROCKLEDGE DRIVE BETHESDA MD 20817 1 Executive Vice President Common Stock 2011-01-28 4 M 0 3400.0000 0 A 19443.6739 D Common Stock 2011-01-28 4 F 0 886.0000 78.2000 D 18557.6739 D Common Stock 1848.7741 I Lockheed Martin Salaried Savings Plan Restricted Stock Units 2011-01-28 4 M 0 3400.0000 D 2011-01-28 Common Stock 3400.0000 0.0000 D Each restricted stock unit granted on January 28, 2008 was the economic equivalent of one share of LMT common stock. Disposition to the Issuer of shares to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock units exempt under Rule 16(b)-3. Shares previously acquired under the Lockheed Martin Salaried Savings Plan exempt under Section 16(b) which will be settled upon the reporting person's retirement or termination of service, and additional shares acquired through dividend reinvestment. Ralph D. Heath, by David A. Dedman, Attorney-in-Fact 2011-02-01