 CALGARY, Alberta, March 22, 2022 GLOBE NEWSWIRE -- NXT Energy Solutions Inc. NXT or the Company TSX:SFD; OTC QB:NSFDF announces it will release its 2021 financial and operating results for the year ended December 31, 2021, on Tuesday, March 29, 2022 after market close. A conference call to discuss the 2021 financial and operating results will be held on Wednesday, March 30, 2022 at 4:30 p.m. Eastern Time 2:30 p.m. Mountain Time. 