Exhibit 99.1 Alan A. Villalon, Chief Financial Officer 952.417.3733 (Office) FOR RELEASE (04.24.2024) ALERUS FINANCIAL CORPORATION REPORTS FIRST QUARTER 2024 NET INCOME OF 6.4MILLIONMINNEAPOLIS,MN(April24,2024)–AlerusFinancialCorporation(Nasdaq:ALRS),ortheCompany,reportednetincomeof6.4 million for the first quarter of 2024, or 0.32perdilutedcommonshare,comparedtoanetlossof14.8 million, or (0.73)perdilutedcommonshare,forthefourthquarterof2023,andnetincomeof ...