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DST Announces Positive Gold Extraction Results Using its CLEVR Process(TM)

Tickers: XCNQ:DST, PINX:DNDDF
Tags: #Mining, #Technology



MONTREAL, QUEBEC - TheNewswire - April 28, 2020 - Dundee Sustainable Technologies Inc. ("DST" or the "Corporation") (CSE:DST) (CNSX:DST.CN) (OTC:DNDDF) is pleased to announce positive results from a metallurgical test program utilising DST's CLEVR ProcessTM (the "CLEVR Process" or "Technology") on two distinct mineralised samples from a Gold Mining Company (the "Gold Miner").

DST was mandated by the Gold Miner to conduct a metallurgical test program at its facilities in Thetford Mines, Canada. The Corporation received two (2) distinct lots of ~50-kilogram and ~30-kilogram samples of representative material from the Gold Miner's operating project located in the Asia-Pacific region. The objective of this work was to demonstrate the amenability of the CLEVR Process to extract the gold content from the provided material.

In March 2020, DST completed the laboratory metallurgical test program and is pleased to announce that the direct application of the CLEVR Process on oxidised samples achieved gold extraction yields of 93.5% and 94.2% respectively for the distinct lots tested.

Mr. David Lemieux, President and CEO commented, "Management of DST is very excited of the results obtained with our CLEVR Process with the Gold Miner. This is great news to see major gold miners interested in assessing the benefits and applicability of CLEVR Process on existing gold assets. Our team will continue working with the client to further develop this promising opportunity for DST."

In addition, the solid residues, produced as a result of the CLEVR Process were tested successfully against the U.S. Environmental Protection Agency's ("EPA") Toxicity Characterisation Leaching Procedure ("TCLP", Method 1311) thus confirming they can be considered as non-hazardous waste. The inert nature of the tailings produced by the CLEVR process represent a major advantage in terms of tailings disposal configuration.

About Dundee Sustainable Technologies, a corporation controlled by Dundee Corporation

The Corporation is engaged in the development and commercialisation of environment-friendly technologies for the treatment of materials in the mining industry. Through the development of patented, proprietary processes, DST extracts precious and base metals from mineralised material, concentrates and tailings, while stabilising contaminants such as arsenic, which could not otherwise be extracted or stabilised with conventional processes because of metallurgical issues or environmental considerations.

DST has filed, published and was granted patents for the GlassLock ProcessTM and CLEVR Process(TM) in numerous countries.

FOR FURTHER INFORMATION PLEASE CONTACT:

Mr. David Lemieux

President and CEO

Dundee Sustainable Technologies Inc.

Tel: (418) 423-7247 # 227

Cell: (418) 331-0486

info@dundeetechnologies.com

FORWARD LOOKING STATEMENTS: This press release contains forward-looking statements that address future events and conditions, which are subject to various risks and uncertainties. Actual results could differ materially from those anticipated in such forward-looking statements as a result of numerous factors, some of which may be beyond the Corporation's control. These factors include general market and industry conditions, risks related to continuous operations and to commercialization of new technologies and other risks disclosed in the Corporation's filings with Canadian Securities Regulators.

Forward-looking statements are based on the expectations and opinions of the Corporation's management on the date the statements are made. The assumptions used in the preparation of such statements, although considered reasonable at the time of preparation, may prove to be imprecise and, as such, undue reliance should not be placed on forward-looking statements. The Corporation expressly disclaims any intention or obligation to update or revise any forward-looking statements whether as a result of new information, future events or otherwise, except as required by applicable law.

Neither the CSE nor its Regulation Services Provider (as that term is defined in the policies of the CSE) accepts responsibility for the adequacy or accuracy of this release.

Copyright (c) 2020 TheNewswire - All rights reserved.

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