X0306 4 2016-02-26 0 0001056239 L 3 COMMUNICATIONS HOLDINGS INC LLL 0001434019 Azmon Dan C/O L-3 COMMUNICATIONS CORPORATION 600 THIRD AVENUE NEW YORK NY 10016 0 1 0 0 See Remarks Common Stock 2016-02-26 4 S 0 2660 119.69 D 9829 D Represents weighted average sale price for price increments ranging from $119.67 to $119.76. The Reporting Person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price. Does not include shares issuable upon the exercise of options. Vice President, Controller and Principal Accounting Officer /s/ Allen E. Danzig as Attorney-in-Fact 2016-02-29