X0306 4 2016-05-03 0 0001056239 L 3 COMMUNICATIONS HOLDINGS INC LLL 0001578700 Dunwoody Ann E. C/O L-3 COMMUNICATIONS CORPORATION 600 THIRD AVENUE NEW YORK NY 10016 1 0 0 0 Common Stock 2016-05-03 4 A 0 205 134.00 A 5625 D Common Stock 2016-05-03 4 A 0 1007 0.00 A 6632 D Date on which the Reporting Person became entitled to receive RSUs (in lieu of cash) for service as a director ("Compensation Date"). These RSUs were fully vested as of the Compensation Date. Vested RSUs do not convert into shares of Common Stock until the date on which a Reporting Person ceases to be a director of the Issuer. Dividends are reinvested, resulting in an increase in the number of RSUs subject to the award. Closing price per share of the Issuer's Common Stock on the Compensation Date. Does not include shares issuable upon the exercise of options. Grant of restricted stock units ("RSUs") that vest on the earlier of (a) the one-year anniversary of the grant date or (b) the date of the Issuer's next regular annual stockholders meeting. Vested RSUs do not convert into shares of Common Stock until the date on which a Reporting Person ceases to be a director of the Issuer. Dividends are reinvested, resulting in an increase in the number of RSUs subject to the award. /s/ Allen E. Danzig as Attorney-in-Fact 2016-05-04