MASTEC INC — Director's Dealing 2021

May 18, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MASTEC INC (MTZ)
CIK: 0000015615
Period of Report: 2021-05-14

Reporting Person: Campbell C Robert (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-14	Common Stock	A	270	$0.00	Acquired	52827	Direct
2021-05-17	Common Stock	S	3000	$120.1429	Disposed	49827	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold in 19 separate transactions with prices ranging from $120.10
to $120.22 for an average weighted sales price of $120.1429. The reporting person undertakes to provide the Issuer, any security holder of the Issuer
or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate
price within the range set forth in this footnote