MasTec Inc. Issues $650M 5.85% Senior Notes Due 2036

What Happened
MasTec, Inc. (MTZ) announced on its Aug. 10, 2026 Form 8‑K that it entered into an Underwriting Agreement on Aug. 6, 2026 to issue $650,000,000 aggregate principal amount of 5.850% Senior Notes due Sept. 30, 2036. The notes pay interest semi‑annually, were priced at 99.656%, and the company expects the offering to close on Aug. 17, 2026, subject to customary conditions. The underwriting is led by PNC Capital Markets, Truist Securities and Wells Fargo Securities.

Key Details

• Offering size: $650,000,000 aggregate principal amount of 5.850% Senior Notes due Sept. 30, 2036.
• Pricing: 99.656% of principal; interest paid semi‑annually at 5.850%.
• Expected close date: August 17, 2026 (subject to customary closing conditions).
• Use of proceeds: to repay some or all of a $600 million term loan maturing June 26, 2028 and to pay related fees/expenses; any remaining proceeds for general corporate purposes, which may include repaying other indebtedness.

Why It Matters
This debt offering is a material financing action that could change MasTec’s debt mix and near‑term cash requirements. Repaying part or all of the $600 million term loan may alter upcoming principal maturities and interest obligations; any remaining proceeds could be used for general corporate needs or other debt reduction. Retail investors should note the new fixed interest rate (5.85%) and the 2036 maturity when assessing the company’s future interest expense profile and capital structure.