Jorge Mas - Dec 31, 2021 Form 5 Insider Report for MASTEC INC (MTZ)

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MTZ	Common Stock	Gift	$0	-25K	-20%	$0.00	100K	May 18, 2021	Indirect	F1, F2
holding	MTZ	Common Stock						3.97M	Dec 31, 2021	Direct
holding	MTZ	Common Stock						849K	Dec 31, 2021	Indirect	F3
holding	MTZ	Common Stock						276K	Dec 31, 2021	Indirect	F4
holding	MTZ	Common Stock						6.08M	Dec 31, 2021	Indirect	F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	Represents shares donated to FIU Foundation.
F2	Shares owned of record by the Mas Family Foundation, Inc., a Florida not-for-profit corporation (the "Family Foundation"), of which the reporting person is the president. The reporting person disclaims beneficial ownership of all shares owned by the Family Foundation.
F3	Shares held by the Jorge Mas Trust, one of the trustees of which is the reporting person's spouse. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purpose of Section 16 or for any other purpose.
F4	Shares owned by Mas Equity Partners III, LLC, a Delaware limited liability company ("MEP III"), in which Mas Equity Partners, LLC ("MEP") is a member. The sole member of MEP is the reporting person. The reporting person disclaims beneficial ownership of the securities held by MEP III except to the extent of his pecuniary interest therein.
F5	Shares owned of record by Jorge Mas Holdings I, LLC, a Florida limited liability company, which is controlled by Jorge Mas Holdings, LLC, a Florida limited liability company, of which the reporting person is the sole member.