Company: MTZ
Filing Date: 2025-02-28
Form Type: S-3ASR
Source: 0001193125-25-042499
Chunk: 20

Company: MASTEC INC
Filing Date: 2025-02-28
Form: S-3ASR
Chunk 20
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 as otherwise indicated in this prospectus, each trustee may take any action described in this prospectus only with respect to the one or more series of debt securities for which it is trustee under the relevant indenture. You should refer to the applicable supplement to this prospectus relating to a particular series of debt securities or the applicable post-effective amendment to the registration statement of which this prospectus forms a part for the specific terms of the debt securities, including, but not limited to:

| • |     | the title of the debt securities, whether the debt securities will be guaranteed and the identity of the 
 guarantor or guarantors, if any;                                                                         |

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| • |     | the total principal amount of the debt securities and any limit on the total principal amount; |

| • |     | the price, expressed as a percentage of the principal amount of the debt securities, at which we will issue the 
 debt securities and any portion of the principal amount payable upon acceleration of the debt securities;       |

| • |     | the terms, if any, by which holders of the debt securities may convert or exchange the debt securities for our 
 common stock, our preferred stock or any of our other securities or property;                                  |

| • |     | if the debt securities are convertible or exchangeable, any limitations on the ownership or transferability of 
 the securities or property into which holders may convert or exchange the debt securities;                     |

| • |     | the date or dates, or the method for determining the date or dates, on which we will be obligated to pay the 
 principal of the debt securities and the amount of principal we will be obligated to pay;                    |

| • |     | the rate or rates, which may be fixed or variable, at which the debt securities of the series will bear interest, 
 if any, or the method by which the rate or rates will be determined;                                              |

| • |     | whether the debt securities rank as senior, senior subordinated or subordinated or any combination thereof and 
 the terms of any subordination;                                                                                |

| • |     | the date or dates, or the method for determining the date or dates, from which any interest will accrue on the                                                                                                                                           
 debt securities, the dates on which we will be obligated to pay any interest, the regular record dates, if any, for the interest payments, or the method by which the dates will be determined, the persons to whom we will be obligated to pay interest 
 and the basis upon which interest