Group 1 - MasTec, Inc. will participate in the J.P. Morgan 2025 Energy, Power, Renewables & Mining Investor Conference on June 24th, with CFO Paul DiMarco engaging in a fireside chat at approximately 10:55 a.m. Eastern Time [1] - One-on-one meetings with institutional investors and MasTec's senior management are being arranged as part of the conference [1] - The audio and presentation materials from the conference will be accessible on MasTec's website, with a replay available for approximately 30 days [2] Group 2 - MasTec, Inc. is a leading infrastructure construction company operating mainly in North America, focusing on engineering, building, installation, maintenance, and upgrade of various infrastructures [5] - The company's primary activities include power delivery services, power generation from clean energy sources, pipeline infrastructure, and industrial infrastructure [5] - MasTec's customers are primarily in the communications, energy, and utility industries [5]