MASTEC INC

Our common stock is listed on the New York Stock Exchange (“NYSE”) under the symbol “MTZ.”

Holders. As of February 23, 2026, there were 1,201 holders of record of our common stock. In calculating the number of shareholders, we consider clearing agencies and security position listings as one shareholder for each agency or listing.

Dividends. We have historically not paid cash dividends and do not currently anticipate paying a cash dividend. We intend to retain future earnings for reinvestment. Our Board of Directors will make any future determination as to the payment of dividends at its discretion, and this determination will depend upon our operating results, financial condition and capital requirements, general business conditions and such other factors that the Board of Directors considers relevant.

Issuer Purchases of Equity Securities. The Company’s share repurchase programs, under which it undertakes share repurchases for strategic purposes, including when (i) management believes that the market price of the Company’s stock is undervalued; (ii) such repurchases will enhance long-term shareholder value; (iii) the Company has adequate liquidity; and (iv) management believes that such repurchases are appropriate uses of capital, do not have an expiration date and may be modified or suspended at any time at the Company’s discretion. See Note 12 - Equity in the notes to the audited consolidated financial statements, which is incorporated by reference, for information pertaining to our share repurchase programs. For the year ended December 31, 2025, we repurchased a total of 702,533 shares of our common stock under our share repurchase programs.

The following table provides information about repurchases of our common stock during the three months ended December 31, 2025:

(a)Includes 6,667, 5,097, and 4,375 shares reacquired by the Company on the open market pursuant to the Amended ESPPs in October, November and December of 2025, respectively, and 179 shares withheld for income tax purposes in connection with shares issued under compensation and benefit programs in November of 2025.

(b)As of December 31, 2025, the full amount remains available for share repurchases under our May 2025 $250 million share repurchase program, which was publicly announced on May 1, 2025.

Performance Graph

The performance graph below compares the cumulative five year total return for our common stock with the cumulative total return (including reinvestment of dividends) of the Standard and Poor’s 500 Composite Stock Index (“S&P 500”), and with that of the following members of a peer group consisting of Quanta Services, Inc., MYR Group, Inc., Dycom Industries, Inc. and Primoris Services Corporation. For the year ended December 31, 2025, we removed Jacobs Solutions Inc. from our peer group comparison due to dissimilarities with respect to the nature of its service offerings and end markets. The graph assumes that the value of the investment in our common stock, as well as that of the S&P 500 and our peer group, was $100 on December 31, 2020 and tracks it through December 31, 2025. The comparisons in the graph are based upon historical data and are not intended to forecast or be indicative of possible future performance of our common stock.

The performance graph shall not be deemed incorporated by reference by any general statement incorporating by reference this Annual Report into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except to the extent we specifically incorporate this information by reference, and shall not otherwise be deemed filed under such acts.

COMPARISON OF 5 YEAR CUMULATIVE TOTAL RETURN*

Among MasTec, Inc., the S&P 500 Index, and MasTec’s 2024 and 2025 Peer Group

*$100 invested on 12/31/20 in stock or index, including reinvestment of dividends.

Fiscal year ending December 31.

Copyright© 2026 Standard & Poor’s, a division of S&P Global. All rights reserved.