STT Enviro Corp. Announces Amendment to Previously Granted Options

TORONTO, ON--(Marketwired - May 31, 2016) -  STT Enviro Corp. ("STT" or the "Company") (TSX VENTURE: STT) announces that it has applied to the TSX Venture Exchange to amend stock options to acquire up to 780,000 common shares of the Corporation granted to certain of its employees, officers and a director. The options were initially granted on May 31, 2011 with an expiry date of May 31, 2016 and had an exercise price of $0.16 per common share. The amended stock options will have an expiry date of May 31, 2019 and will vest evenly over three years beginning on June 1, 2016, with the remainder vesting on May 31, 2017 and May 31, 2018.

About STT Enviro Corp.

STT Enviro Corp. (TSX VENTURE: STT) supplies cost-effective, incremental, environmental improvements to traditional industrial products. The Company's two operating groups, STT Enviro Corp Systems & Solutions and STT Enviro Corp Tanks & Industrial, work to reduce their customers' environmental footprint, cost efficiently.

STT Enviro Corp Systems & Solutions engineers and supplies chemical make-down systems to neutralize pollutants (usually acid water) created in the ore or oil recovery process; and aftermarket services including optimization of chemical use for our customers to lower costs and reduce their carbon footprint.

STT Enviro Corp Tanks & Industrial engineers and supplies bolted tanks with a smaller environmental footprint for both dry and liquid storage applications.

Environmental considerations are prerequisites in modern industrial expansion and STT Enviro Corp. is focused on being a leader and innovator on incremental environmental improvements. The Company's strategy is to grow organically and, longer term, to acquire companies at prices which are strategically and financially accretive.

For more information, please visit our website at www.sttenvirocorp.com.

Caution Regarding Forward-Looking Information and Non-IFRS Measures

Forward-Looking Information
This news release contains certain forward-looking statements. These statements relate to future events or future performance and reflect management's current expectations and assumptions regarding the growth, results of operations, performance, and business prospects and opportunities. Such forward-looking statements reflect management's current beliefs and expectations and are based on information currently available to management of the Company. In particular, statements regarding the future operating results and economic performance are forward-looking statements. Forward-looking statements involve significant risks and uncertainties. A number of factors could cause actual events or results to differ materially from the events and results discussed in the forward-looking statements, including risks outlined under "Risk Factors" in our Annual Information Form, which is posted at www.sedar.com. In evaluating these statements, investors should specifically consider various factors, including such risks as Investment Risk; Business Valuations; Condition of Capital Markets; Dependence on Key Personnel; General Economic Factors; Interest Rate Risk; Competition; and Reliance on Key Suppliers. One or more of these "Risk Factors" could cause actual events or results to differ materially from any forward-looking statement. These factors should not be considered exhaustive. Although the forward-looking statements contained in this press release are based on what management of the Company considers to be reasonable assumptions based on information currently available to them, there can be no assurance that actual events or results will be consistent with these forward-looking statements, and management's assumptions may prove to be incorrect. These forward-looking statements are made as of the date of this press release, and none of STT nor its directors assume any obligation to update or revise them to reflect new events or circumstances. Undue reliance should not be placed on forward-looking statements.

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