Enerplus Q1 2023 Update

Overview of Enerplus' Bakken position -236,000 NET ACRES 655 NET DRILLING LOCATIONS Core extended core Williams Williams -66,660 BOE/D Q1 2023 production 2 RIGS, -50 NET WELLS ONLINE 2023 operational plan +$0.50 PER BBL VS WTI 2023E oil price differential MONTANA NORTH DAKOTA McKenzie Little Knife Billings Enerplus operated acreage Enerplus non-op acreage enerPLUS Enerplus North Dakota Production MBOE/D 70 Mountrail 60 60 FBIR 50 38 40 30 20 Dunn Murphy Creek 10 57 65 2020 2021 2022 14

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