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Debt (Tables)

12 Months Ended

Dec. 31, 2025

Debt Disclosure [Abstract]

Schedule of Carrying Values of Debt

The following table provides details of the carrying values of debt as of the dates indicated (in millions):

												December 31,
Description						Maturity Date						2025						2024
Senior credit facility:						June 26, 2030
Revolving loans												$	118.0					$	43.1
Term loan (a)												—						332.5
4.500% Senior Notes						August 15, 2028						600.0						600.0
5.900% Senior Notes						June 15, 2029						550.0						550.0
6.625% Senior Notes						August 15, 2029						72.3						71.6
2025 Term Loan Facility						June 26, 2028						600.0						—
Five-Year Term Loan Facility												—						285.0
Finance lease and other obligations												405.3						356.5
Total debt obligations												$	2,345.6					$	2,238.7
Less unamortized deferred financing costs												(14.9)						(14.6)
Total debt, net of deferred financing costs												$	2,330.7					$	2,224.1
Current portion of long-term debt												154.3						186.1
Long-term debt												$	2,176.4					$	2,038.0

(a)    The term loan was terminated and fully repaid as of the second quarter of 2025, pursuant to the terms of the amended and restated senior unsecured credit facility, as described below.

Schedule of Contractual Maturities of Debt and Finance Lease Obligations

Contractual maturities of MasTec’s debt, which includes finance lease obligations, as of December 31, 2025 were as follows (in millions):

2026			$	154.3
2027			108.0
2028			1,284.1
2029			668.5
2030			130.2
Thereafter			0.5
Total			$	2,345.6

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Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

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