X0306 4 2015-11-02 0 0001056239 L 3 COMMUNICATIONS HOLDINGS INC LLL 0001436246 Post Steven M C/O L-3 COMMUNICATIONS CORPORATION 600 THIRD AVENUE NEW YORK NY 10016 0 1 0 0 See Remarks Common Stock 2015-11-02 5 G 0 E 790 0.00 D 20783 D Does not include shares issuable upon the exercise of options. Senior Vice President, General Counsel and Corporate Secretary /s/ Allen E. Danzig as Attorney-in-Fact 2015-11-03