X0306 4/A 2016-01-28 2016-02-02 0000936468 LOCKHEED MARTIN CORP LMT 0001565856 Bennett Dale P 6801 ROCKLEDGE DRIVE BETHESDA MD 20817 1 Executive Vice President Common Stock 2016-01-28 4 M 0 152.0000 0 A 37650.2290 D Common Stock 2016-01-28 4 F 0 14263.0000 206.6600 D 23387.2290 D Restricted Stock Units 2016-01-28 4 M 0 152.0000 D 2018-01-29 Common Stock 152.0000 3748.0000 D Represents the accelerated vesting of shares received upon the conversion (on a one-for-one basis) of a portion of restricted stock units granted on January 29, 2015 with a value equal to the tax withholding obligations for the retirement-eligible Reporting Person and disposition to the Issuer of such shares to satisfy the Reporting Person's tax withholding obligations, which transaction is exempt under Rule 16b-3. Tax withholding is required following certification of a one-year performance goal for a retirement-eligible Reporting Person or when the Reporting Person becomes retirement-eligible, if later. This amendment is being filed to correct the number of shares disposed of to the Issuer of shares to satisfy the Reporting Person's tax withholding obligations upon vesting of stock units which is exempt under Rule 16b-3. End of period holdings include additional shares acquired through dividend reinvestment. Dale P. Bennett, by Marian S. Block, Attorney-in-fact 2016-02-23