Company Update

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549     FORM 8-K     CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 2, 2022     MASTEC, INC. (Exact Name of Registrant as Specified in Its Charter)       Florida   001-08106   65-0829355 (State or Other Jurisdiction of Incorporation)   (Commission File Number)   (IRS Employer Identification No.) 800 S. Douglas Road , 12th Floor Coral Gables , Florida 33134 (Address of Principal Executive Office) Registrant’s telephone number, including area code (305) 599-1800   (Former Name or Former Address, if Changed Since Last Report)     Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:   ☒ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)   ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)   ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))   ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act:   Title of each class   Trading symbol(s)   Name of each exchange on which registered Common Stock, $0.10 Par Value   MTZ   New York Stock Exchange Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company   ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐       Item 8.01. Other Events. On September 2, 2022, MasTec, Inc. announced an amendment to the terms of its private exchange offer and consent solicitation made to certain eligible holders (the “ Exchange Offer and Consent Solicitation ”) for any and all outstanding 6.625% Senior Notes due 2029 issued by IEA Energy Services LLC, a subsidiary of Infrastructure and Energy Alternatives, Inc., and issued a press release pursuant to Rule 135(c) under the Securities Act of 1933, as amended, relating to the amendment. Such press release is attached hereto as Exhibit 99.1 and incorporated herein by reference.   Item 9.01. Financial Statements and Exhibits. (d) Exhibits   Exhibit No.    Description 99.1    Press release, dated September 2, 2022, related to the Exchange Offer and Consent Solicitation 104    Cover Page Interactive Data File (embedded within the Inline XBRL document)   SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.       MASTEC, INC. Date: September 2, 2022     By:   /s/ Alberto de Cardenas       Alberto de Cardenas       Executive Vice President, General Counsel and Secretary