MASTEC INC - Director's Dealing 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASTEC INC (MTZ)
CIK: 0000015615
Period of Report: 2014-03-04

Reporting Person: Dwyer Robert J (Director)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-03-04	Common Stock	M	5000	$7.09	Acquired	19243	Direct
2014-03-04	Common Stock	S	5000	$41.56	Disposed	14243	Direct
2014-03-04	Common Stock	M	2500	$8.46	Acquired	16743	Direct
2014-03-04	Common Stock	S	2500	$41.56	Disposed	14243	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-03-04	Non-Qualified Stock Option (right to buy)	$7.09	M	5000	Disposed	2014-11-01	Common Stock (5000)	Direct
2014-03-04	Non-Qualified Stock Option (right to buy)	$8.46	M	2500	Disposed	2015-06-01	Common Stock (2500)	Direct

F1: Pursuant to a 10b5-1 Plan.

F2: The options vested in substantially equal installments on June 1st of 2007, 2008, and 2009.

F3: The options vested in substantially equal installments on June 1st of 2006, 2007, and 2008.