Company: MTZ
Filing Date: 2025-02-28
Form Type: S-3ASR
Source: 0001193125-25-042499
Chunk: 37

Company: MASTEC INC
Filing Date: 2025-02-28
Form: S-3ASR
Chunk 37
---
 to the debt securities (Section 1403). However, to make either election, we must irrevocably deposit with the trustee an amount, in such currency or currencies in which the debt securities are payable at stated maturity, or in Government Obligations (Section 101), or both, that will provide sufficient funds to pay the principal of, and any premium, make-whole amount, and interest on, the debt securities, and any mandatory sinking fund or similar payments on the debt securities, on the relevant scheduled due dates. We may defease and discharge the obligations, as described in the preceding paragraphs, only if, among other things, we have delivered to the trustee an opinion of counsel to the effect that:

| • |     | the holders of the debt securities will not recognize income, gain or loss for United States federal income tax                                                                                                                                         
 purposes as a result of the defeasance or covenant defeasance described in the previous paragraphs and will be subject to United States federal income tax on the same amounts, in the same manner and at the same times as would have been the case if 
 the defeasance or covenant defeasance had not occurred; and                                                                                                                                                                                             |

| • |     | in the case of defeasance, the opinion of counsel must refer to, and be based upon, a ruling of the Internal                                         
 Revenue Service or a change in applicable United States federal income tax laws occurring after the date of the applicable indenture (Section 1404). |

Unless otherwise provided in the applicable prospectus supplement, if, after we have deposited funds and/or Government Obligations to effect defeasance or covenant defeasance with respect to debt securities of any series:

| • |     | the holder of a debt security of the series elects to receive payment in a currency other than that in which the 
 deposit has been made in respect of the debt security (Section 301); or                                          |

| • |     | a conversion event, as defined below, occurs in respect of the currency in which the deposit has been made, |

then the indebtedness represented by the debt security will be fully discharged and satisfied through the payment of the principal of, and any premium, make-whole amount and interest on, the debt security as they become due, and additional amounts, if any, out of the proceeds yielded by converting the amount or other property deposited in respect of the debt security into the currency in which the debt security becomes payable as a result of the holder’s election or the conversion event based