Exhibit 99.1 Chord Energy Reports First Quarter 2024 Financial and Operating Results, Declares Base and Variable Dividends, Issues Second Quarter Outlook and Provides Update on Pending Combination with Enerplus Houston, Texas — May 7, 2024 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord”, “Chord Energy” or the “Company”) today reported financial and operating results for the first quarter 2024. 1Q24 Operational and Financial Highlights: • Oil volumes of 99.0 MBopd exceeded the high-end of guidance; • Leas ...