MASTEC INC — Director's Dealing 2021

Mar 16, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASTEC INC (MTZ)
CIK: 0000015615
Period of Report: 2021-03-14

Reporting Person: MAS JOSE RAMON (Director, CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-01-22	Common Stock	G	2500	$0.00	Disposed	3153454	Direct
2021-03-14	Common Stock	F	18798	$98.93	Disposed	3134656	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1197414	Indirect
Common Stock	425000	Indirect
Common Stock	276000	Indirect

Footnotes

F1: Represents shares donated to Christopher Columbus High School.

F2: Shares disposed of represent shares withheld by the Issuer to pay taxes due upon vesting of restricted stock.

F3: Shares owned by Jose Ramon Mas Holdings I, LLC, a Florida limited liability company ("JRM Holdings I"). The sole member of JRM Holdings I is Jose Ramon Mas
Holdings, LLC, a Florida limited liability company, of which Jose Mas is the sole member.

F4: Shares held by Jose Ramon Mas Irrevocable Family Trust, of which the reporting person's spouse is one of the trustees. 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.

F5: Shares owned by Mas Equity Partners III, LLC, a Delaware limited liability company ("MEP III"), in which the reporting person is a member. The reporting person disclaims beneficial ownership of the securities held by MEP III except to the extent of his pecuniary interest therein.