Exhibit 99.1 811 Louisiana, Suite 2100 Houston, TX 77002 713.584.1000 Targa Resources Corp. Reports First Quarter 2024 Financial Results HOUSTON – May 2, 2024 - Targa Resources Corp. (NYSE: TRGP) (“TRGP,” the “Company” or “Targa”) today reported first quarter 2024 results. First quarter 2024 net income attributable to Targa Resources Corp. was $275.2 million compared to$497.0 million for the first quarter of 2023. The Company reported record adjusted earnings before interest, income taxes, depreciation and ...