MASTEC INC — Director's Dealing 2012

Nov 9, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASTEC INC (MTZ)
CIK: 0000015615
Period of Report: 2012-11-07

Reporting Person: MAS JORGE (Director, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-06-01	Common Stock	G	631712	—	Disposed	8989598	Indirect
2012-11-02	Common Stock	G	7085	—	Disposed	8982513	Indirect
2012-11-07	Common Stock	S	2200000	$22.8	Disposed	6782513	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	7621016	Indirect
Common Stock	125000	Indirect
Common Stock	20000	Indirect

Footnotes

F1: Shares owned of record by Jorge Mas Holdings I Limited Partnership, a Texas limited partnership ("Jorge Mas Holdings"). The sole general partner of Jorge Mas Holdings is Jorge Mas Holdings Corporation, a Texas corporation ("JM Holdings Corp") which is wholly-owned by Mr. Jorge Mas.

F2: Shares owned directly by Jorge L. Mas Canosa Holdings I Limited Partnership, a Texas limited partnership, ("the Family Partnership"), and indirectly by Jorge Mas, as the president and sole director of Jorge L. Mas Canosa Holdings Corporation, a Texas corporation, the sole general partner of the Family Partnership. Mr. Jorge Mas disclaims beneficial ownership of the shares held by the Family Partnership except to the extent of his pecuniary interest therein.

F3: Shares owned of record by the Mas Family Foundation, Inc., a Florida not-for-profit corporation (the "Family Foundation") of which Mr. Jorge Mas is the president. Mr. Jorge Mas disclaims beneficial ownership of all shares owned by the Family Foundation.

F4: Shares owned of record by JM Holdings Corp.