MASTEC INC — Director's Dealing 2011

Mar 2, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASTEC INC (MTZ)
CIK: 0000015615
Period of Report: 2011-02-25

Reporting Person: Jaumot Frank E (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-25	Common Stock	M	12500	$5.19	Acquired	34921	Direct
2011-02-25	Common Stock	S	1600	$17.53	Disposed	33321	Direct
2011-02-25	Common Stock	S	600	$17.54	Disposed	32721	Direct
2011-02-25	Common Stock	S	500	$17.57	Disposed	32221	Direct
2011-02-25	Common Stock	S	500	$17.55	Disposed	31721	Direct
2011-02-25	Common Stock	S	100	$17.56	Disposed	31621	Direct
2011-02-25	Common Stock	S	800	$17.52	Disposed	30821	Direct
2011-02-25	Common Stock	S	1900	$17.51	Disposed	28921	Direct
2011-02-25	Common Stock	S	6500	$17.5	Disposed	22421	Direct
2011-02-25	Common Stock	S	4500	$17.5184	Disposed	17921	Direct
2011-02-25	Common Stock	S	836	$17.5	Disposed	17085	Direct
2011-02-25	Common Stock	S	500	$17.56	Disposed	16585	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-02-25	Non-Qualified Stock Option (right to buy)	$5.19	M	12500	Disposed	2014-10-01	Common Stock (12500)	Direct

Footnotes

F1: The options vested in substantially equal installments on October 1st of 2005, 2006, and 2007.