MasTec, Inc. filed a Current Report on Form 8-K on August 10, 2026, disclosing that on August 6, 2026, the company entered into an Underwriting Agreement to issue and sell $650,000,000 aggregate principal amount of 5.850% Senior Notes due 2036.

Key Highlights

  • Offering size: $650,000,000 aggregate principal amount of 5.850% Senior Notes due 2036.
  • Pricing: The Notes were priced at 99.656% of principal.
  • Maturity and interest: The Notes mature on September 30, 2036, and pay interest semi-annually at a rate of 5.850%.
  • Expected closing: The company expects to close the offering on August 17, 2026, subject to customary conditions.
  • Primary use of proceeds: The company intends to use net proceeds to repay some or all of its $600 million term loan maturing June 26, 2028, plus related fees and expenses.
  • Underwriters: PNC Capital Markets LLC, Truist Securities, Inc., and Wells Fargo Securities, LLC served as representatives of the underwriters.

MasTec Enters Underwriting Agreement for 2036 Senior Notes

According to the filing, MasTec, Inc. (New York Stock Exchange: MTZ), a Florida corporation headquartered at 800 S. Douglas Road, 12th Floor, Coral Gables, Florida, entered into an Underwriting Agreement on August 6, 2026, with PNC Capital Markets LLC, Truist Securities, Inc., and Wells Fargo Securities, LLC as representatives of the named underwriters. Under the agreement, the company agreed to issue and sell $650,000,000 aggregate principal amount of 5.850% Senior Notes due 2036, priced at 99.656%.

The filing states that the Notes will pay interest semi-annually and mature on September 30, 2036. The company disclosed that it registered the Notes under the Securities Act of 1933, as amended, pursuant to a shelf registration statement on Form S-3 filed on February 28, 2025 (File No. 333-285425). The Underwriting Agreement, according to the filing, "contains customary representations, warranties and agreements of the Company, conditions to closing, indemnification rights and obligations of the parties and termination provisions."

Regarding use of proceeds, the filing states the company intends to use the net proceeds to repay some or all of its $600 million term loan under its term loan agreement maturing on June 26, 2028, and to pay related fees and expenses. The company further disclosed that any remaining net proceeds may be used for general corporate purposes, "which may include the repayment of existing indebtedness, including borrowings under MasTec's senior unsecured credit facility." The filing was signed by Alberto de Cardenas, Executive Vice President, General Counsel and Secretary.

What Was Disclosed

MasTec disclosed the pricing and terms of a $650,000,000 senior notes offering due 2036, the identity of its underwriters, expected closing date of August 17, 2026, and its intention to use proceeds primarily to repay an existing $600 million term loan.