MasTec — Oct 30, 2025 release

Pipeline Infrastructure Dollars in millions, unless noted 3Q'25 3Q'24 Change Revenue $ 597.8  $ 497.8  20.1  % EBITDA $ 92.0  $ 103.1  (10.8) % EBITDA margin % 15.4  % 20.7  % (530) bps Revenue: The increase in revenue was driven primarily by higher levels of midstream pipeline project activity. EBITDA: EBITDA margin decreased primarily due to reduced efficiencies, as well as the effects of project mix. 2025 Financial Guidance Update Dollars in millions, except per share amounts Full Year 2025E Revenue $ 14,075 GAAP net income $ 399 Adjusted net income $ 524 Adjusted EBITDA $ 1,135 Adjusted EBITDA margin 8.1% GAAP diluted earnings per share $ 4.80 Adjusted diluted earnings per share $ 6.40 Conference Call MasTec will host a webcast of its quarterly earnings call to discuss these results on Friday, October 31, 2025 at 9:00 a.m. ET, which can be accessed through the Investors section of MasTec's website at www.mastec.com. A replay of the webcast also will be available following the live event. The slide presentation that accompanies the conference call will also be posted on the MasTec Investors page. About MasTec MasTec, Inc. is a leading North American infrastructure engineering and construction company focused primarily on engineering, building, installation, maintenance and upgrade of communications, energy and utility and other infrastructure. MasTec primarily operates under four business segments including Communications, serving both wireless and wireline/fiber infrastructure; Power Delivery, serving primarily utility customers in transmission and distribution markets; Pipeline Infrastructure serving energy and other customers with installation and maintenance services primarily fo