MASTEC INC — Director's Dealing 2007

Jun 20, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASTEC INC (MTZ)
CIK: 0000015615
Period of Report: 2007-06-18

Reporting Person: SHANFELTER AUSTIN J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-06-18	Common Stock	S	400	$13.93	Disposed	166949	Direct
2007-06-18	Common Stock	S	600	$13.95	Disposed	166349	Direct
2007-06-18	Common Stock	S	1100	$13.96	Disposed	165249	Direct
2007-06-18	Common Stock	S	1700	$13.97	Disposed	163549	Direct
2007-06-18	Common Stock	S	1200	$13.98	Disposed	162349	Direct
2007-06-18	Common Stock	S	800	$13.99	Disposed	161549	Direct
2007-06-18	Common Stock	S	400	$14.00	Disposed	161149	Direct
2007-06-18	Common Stock	S	2000	$14.01	Disposed	159149	Direct
2007-06-18	Common Stock	S	800	$14.02	Disposed	158349	Direct
2007-06-18	Common Stock	S	600	$14.03	Disposed	157749	Direct
2007-06-18	Common Stock	S	1800	$14.04	Disposed	155949	Direct
2007-06-18	Common Stock	S	600	$14.05	Disposed	155349	Direct
2007-06-18	Common Stock	S	100	$14.06	Disposed	155249	Direct
2007-06-18	Common Stock	S	3100	$14.07	Disposed	152149	Direct
2007-06-18	Common Stock	S	2500	$14.08	Disposed	149649	Direct
2007-06-18	Common Stock	S	2200	$14.09	Disposed	147449	Direct
2007-06-18	Common Stock	S	2300	$14.10	Disposed	145149	Direct
2007-06-18	Common Stock	S	1000	$14.11	Disposed	144149	Direct
2007-06-18	Common Stock	S	1400	$14.12	Disposed	142749	Direct
2007-06-18	Common Stock	S	2300	$14.13	Disposed	140449	Direct
2007-06-18	Common Stock	S	3000	$14.14	Disposed	137449	Direct
2007-06-18	Common Stock	S	100	$14.15	Disposed	137349	Direct
2007-06-20	Common Stock	S	200	$14.58	Disposed	137149	Direct
2007-06-20	Common Stock	S	700	$14.60	Disposed	136449	Direct
2007-06-20	Common Stock	S	300	$14.61	Disposed	136149	Direct
2007-06-20	Common Stock	S	400	$14.62	Disposed	135749	Direct
2007-06-20	Common Stock	S	400	$14.63	Disposed	135349	Direct
2007-06-20	Common Stock	S	1400	$14.64	Disposed	133949	Direct
2007-06-20	Common Stock	S	400	$14.65	Disposed	133549	Direct
2007-06-20	Common Stock	S	1200	$14.66	Disposed	132349	Direct