Investor Update November 2023

enerPLUS Differentiated well performance from Enerplus' core Bakken position Top 100 wells in North Dakota 2022-2023 based on peak month oil production Based on >1,400 wells brought on production in North Dakota since January 2022 Barrels of oil produced in peak month 100,000 90,000 80,000 70,000 60,000 50,000 40,000 30,000 20,000 FBIR OMELET 151-94-16B-21H FBIR SAUSAGE 151-94-16B-21H Little Knife Little Knife FBIR LK BICE 147-96-6-31-1H LK BICE 147-96-6-31-1H BACON 151-94-16B-21H Little Knife FBIR PANCAKE 151-94-16B-21H enerPlus Little Knife 13 of the top 100 wells are Enerplus operated 20 of the top 100 wells Enerplus operates or has a non-op interest in (Enerplus operated represents 5% of all new wells online in the basin since 2022) FBIR OSMIUM 147-93-17B-20H FBIR LEVIATHAN 151-94-27A-34-17T Little Knife FBIR FBIR Little Knife HAY DRAW 148-97-27-34-4H Little Knife Little Knife LEVIATHAN 151-94-27A-34-12T FBIR BOOMER 152-94-23CH FBIR HAY DRAW 148-97-27-34-5H Little Knife LK BICE 147-96-6-31-3H Little Knife 10,000 1) Source: North Dakota state data, Enverus, Enerplus. Enerplus operated well ☐ Enerplus non-operated interest in well 7

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