BacTech Joins Dundee Sustainable Technologies in Snow Lake, Manitoba Project

Toronto, May 15, 2019 – BacTech Environmental Corporation (“BacTech” or the “Corporation”)

(CSE:BAC) announced that it has signed a letter of intent (“LOI”) with GMR Inc. (“GMR”) to

license for BacTech’s proprietary bioleach technology.. BacTech joins Dundee Sustainable

Technologies (“DST”),(CSE:DST) as a technology partner with GMR to develop a potential

solution for the remediation of the Gold Residual Stockpile in Snow Lake, Manitoba (the


Through this agreement, BacTech received a $20,000 cash payment as an advance on the right

to utilise the BacTech’s proprietary bioleach technology on the Project. In addition, BacTech will

earn 3% undivided equity interest in the net income of the project. GMR is relying on BacTech’s

historical research conducted in 2011/12 that showed oxidation rates of 95% and gold recovery

of 88.6% on material obtained from the arsenic stock pile. Due to a lack of iron in the stockpile

the residual material could not be stabilized and was abandoned.

Ross Orr, CEO of BacTech commented, “Our return to Snow Lake is predicated on Dundee

Sustainable Technologies providing a solution to the unstable arsenic product we generated in

our earlier work that killed the project. The stockpile has a deficiency in iron leading an

unstable ferric arsenate product after bioleaching. By passing this unstable material to be

vitrified the arsenic can be safely disposed. We look forward to re-engaging in the Snow Lake


Mr. David LeClaire, the CEO of GMR Inc. stated, “BacTech’s historic work on the Project and its

proprietary bioleach technology teamed with DST’s vitrification technology is a promising

solution to the remediation of a longstanding environmental concern of the community of

Snow Lake without cost to the taxpayer.

The Project, located in Snow Lake, Manitoba consists of a stockpile of arsenopyrite concentrate

proven to contain residual gold and silver contents. BacTech drilled and assayed the stockpile in

2011 and produced a NI43-101 report that can be found on SEDAR (December 9, 2011). The

concentrate stockpile is currently the responsibility of the Government of Manitoba. The

Project is developing a "no cost to the taxpayer" solution to remediation of the stockpile.

Current Measured Mineral Resource estimates were generated in 2012 by BacTech estimating

the Snow Lake concentrate stockpile contains 264,596 tonnes grading 9.76 g/t of gold and 2.17

g/t of silver. In addition, Indicated Resource estimates include 9,300 tonnes grading 9.2 g/t Au

and 2.15 g/t Ag and an Inferred Mineral resource of 28,000 tonnes of 7.0 g/t Au and 2.4 g/t Ag.

N. Ralph Newson, M.Sc., P.Eng., P.Geo. was the Qualified Person on the project. His report was

titled “BacTech Environmental Corporation, NI43-1 01 Preliminary Economic Assessment Study

for the BacTech Snow Lake Reclamation Project, Snow Lake, Manitoba, Canada, dated effective

August 27, 2012.”

Company Overview

The Telamayu project involves the environmental remediation of the “Antiguo” tailings with an

option on the larger “Nuevo” tailings, both situated at the Telamayu Mill site near the town of

Atocha in the Department of Potosi, Bolivia.

The existing Telamayu mill concentrator has generated the Antiguo and Nuevo tailings by

processing mineralized material from the surrounding mines for over 80 years. There is

considerable infrastructure at the mill site including high voltage power, rail, mill housing, and a

local workforce. A Feasibility Study is expected to be completed in March 2019.

A second project entails BacTech investigating the use of bioleach processing to treat historic

arsenic tailings and arsenopyrite concentrates produced in the Ponce Enriquez area of Southern


For further information contact: Ross Orr, President & CEO, BacTech Environmental

Corporation/ 416-813-0303 ext. 222, Cell 416-346-5529 and


Robin Cook, Investor Relations: 416-809-1738, Email:

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Special Note Regarding Forward-Looking Statements

This news release contains “forward-looking information”, which may include, but is not limited

to, statements with respect to future tailings sites, sampling or other investigations of tailing

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Ben Christy