GREAT PANTHER MINING LIMITED (NYSE American: GPL; TSX: GPR) (“Great Panther”) announces that two technical reports regarding the Guanajuato Mine Complex have been filed. The reports are titled “NI 43- 101 Mineral Resource Update Technical Report on the Guanajuato Mine Complex, San Ignacio Mine, Guanajuato State, Mexico”, dated March 17, 2020, and “NI 43-101 Mineral Resource Update Technical Report on the Guanajuato Mine Complex, Guanajuato Mine, Guanajuato State, Mexico”, dated March 27, 2020 (the “Technical Reports”). The Technical Reports were prepared by Robert F. Brown, P. Eng., Qualified Person & Acting V.P. Exploration, and Mohammed Nourpour, P. Geo., Qualified Person & Resource Geologist. The Technical Reports are in support of Great Panther’s March 9, 2020 news release
announcing an updated Mineral Resource Estimate at the Guanajuato Mine Complex, with effective dates of July 31, 2019 for the San Ignacio Mine and October 31, 2019 for the Guanajuato Mine. The Technical Reports are available on SEDAR at http://www.sedar.com, on EDGAR at http://www.sec.gov, and on the Company’s website at http://www.greatpanther.com.