Exhibit 99.1

Date: February 24, 2020				530-8th Avenue SW, 6th floor Calgary AB, T2P 3S8 www.computershare.com
To: All Canadian Securities Regulatory Authorities Toronto Stock Exchange New York Stock Exchange Subject: ENERPLUS CORPORATION Dear Sir/Madam: We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer:
Meeting Type :		Annual Meeting
Record Date for Notice of Meeting :		March 20, 2020
Record Date for Voting (if applicable) :		March 20, 2020
Beneficial Ownership Determination Date :		March 20, 2020
Meeting Date :		May 07, 2020
Meeting Location (if available) :		Calgary, AB
Issuer sending proxy related materials directly to NOBO:		No
Issuer paying for delivery to OBO:		Yes
Notice and Access (NAA) Requirements:
NAA for Beneficial Holders		Yes
Beneficial Holders Stratification Criteria:		Not Applicable
NAA for Registered Holders		No
Voting Security Details:
Description	CUSIP Number		ISIN
COMMON SHARES	292766102		CA2927661025
Sincerely, Computershare Agent for ENERPLUS CORPORATION