Zentek and McMaster Announced Results for Aptamer-Based Technology with Therapeutic Potential

Zentek Ltd. ("Zentek" or the "Company") (NASDAQ:ZTEK)(TSXV:ZEN), a technology development and commercialization company, is pleased to announce, further to its press release dated May 19, 2022, that its aptamer platform under global exclusive license from McMaster University ("McMaster") has been successfully tested as a potential prophylactic or therapeutic for SARS-CoV-2 in pre-clinical animal models. In repeat trials, the aptamers developed by Dr. Yingfu Li demonstrated similar efficacy against SARS-CoV-2 when benchmarked against a commercial monoclonal antibody.

This new aptamer, based on a novel approach, was developed under the exclusive worldwide 20-year license agreement between Dr. Li's lab at McMaster and Zentek first announced on June 17, 2021.