MASTEC INC — Director's Dealing 2012

Dec 14, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASTEC INC (MTZ)
CIK: 0000015615
Period of Report: 2012-12-13

Reporting Person: de Cardenas Alberto (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-12-13	Common Stock	M	25000	$10.13	Acquired	61102	Direct
2012-12-13	Common Stock	S	25000	$23.5634	Disposed	36102	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-12-13	Non-Qualified Stock Option (right to buy)	$10.13	M	25000	Disposed	2010-11-16	Common Stock (25000)	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold pursuant to a 10b5-1 Sales Plan in multiple transactions at prices ranging from $23.50 to $23.70, inclusive. The reporting person undertakes to provide to MasTec, Inc. ("MasTec"), any security holder of MasTec or the staff of the Securites and Exchange Commission, upon request, full information regarding the number of shares sold at each seperate price within the range set forth in footnote (1) to this Form-4.