PHINIA — Feb 13, 2025 release

Exhibit 99.1 PHINIA REPORTS FOURTH QUARTER AND FULL YEAR 2024 RESULTS PHINIA BOARD DECLARES QUARTERLY DIVIDEND OF $0.27 PER COMMON SHARE AND AUTHORIZES $200 MILLION INCREASE TO SHARE REPURCHASE PROGRAM Auburn Hills, Michigan, February 13, 2025 – PHINIA Inc. (NYSE: PHIN), a leader in premium fuel systems, electrical systems, and aftermarket solutions, today reported results for the fourth quarter and full year ended December 31, 2024. Fourth Quarter Highlights: • Net sales of $833 million, a decrease of 5.6% compared with Q4 2023. ◦ Lower Fuel Systems (FS) sales across all regions partially offset by strong Aftermarket sales across all regions led to a slight year-over-year decrease of 2.9%, when adjusted for contract manufacturing agreements in 2023. • Operating income of $51 million and operating margin of 6.1%, representing a year-over-year decrease of $30 million and 310 basis points (bps), respectively. ◦ Adjusted operating income of $78 million and adjusted operating income margin of 9.4%, representing a year-over-year decrease of $11 million and 100 bps, respectively. Primarily driven by sales decreases, higher employment costs, and additional costs resulting from operating as a standalone company, partially offset by supplier savings. • Net earnings of $5 million and net margin of 0.6%, representing a year-o