 Robust engineering design for key mine-site facilities reflects commitment to environmental leadership VANCOUVER, BC ACCESSWIRE August 10, 2021 Northern Dynasty Minerals Ltd. TSX:NDMNYSE American:NAK Northern Dynasty or the Company reports that its 100-owned US-based subsidiary Pebble Limited Partnership Pebble Partnership has determined the 8.1 magnitude M earthquake experienced in Alaska on July 28, 2021 resulted in substantially less ground movement at the project site than the seismic events considered in the assessment of the stability of its proposed tailings facility designs. 