 CALGARY, Alberta, April 19, 2021 GLOBE NEWSWIRE -- NXT Energy Solutions Inc. NXT or the Company TSX:SFD; OTC QB:NSFDF is pleased to announce that it has acquired the SFD technology rights for geothermal resources Geothermal Resources from Mr. George Liszicasz, President and CEO of NXT, and who is the inventor of the SFD technology. This agreement was negotiated between Mr. Liszicasz and the independent members of NXTs Board of Directors NXT Board. 