X0306 4/A 2015-03-25 2015-03-27 0 0000015615 MASTEC INC MTZ 0001382697 Apple Robert E 800 S DOUGLAS ROAD, 12TH FLOOR CORAL GABLES FL 33134 0 1 0 0 COO Common Stock 2015-03-25 4 M 0 39471 7.60 A 160243 D Common Stock 472 I By 401(k) plan This amendment to the Reporting Person's Form 4, originally filed on March 27, 2015, is filed to correct the number of securities reported as directly beneficially owned and to include the number of shares of common stock indirectly beneficially owned by the Reporting Person through MasTec, Inc.'s 401(k) plan. By: /s/ Alberto de Cardenas For: Robert Apple 2015-11-17