Source: DSA Corporate Services Inc.

International Wastewater Systems Honored With Green Building Innovation Award

VANCOUVER, BRITISH COLUMBIA--(Marketwired - Dec. 7, 2015) - International Wastewater Systems Inc. ("IWS" or the "Company") (CSE:IWS)(FRANKFURT:IWI) is pleased to announce that it has received the 2016 AHR Expo® Innovation Award for Green Building Innovation.

The AHR Expo® is the world's largest HVACR (Heating, Ventilating, Air Conditioning and Refrigeration) convention. The annual AHR Expo® Innovation Awards competition honors the most inventive and original products, systems and technologies showcased at each year's Show in the categories of: building automation; cooling; green building; heating; indoor air quality; plumbing; refrigeration; software; tools & instruments; and ventilation.

IWS was chosen by a panel of third-party judges from ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers) who evaluated all award entries based on innovative design, creativity, application value and market impact. The award further demonstrates the adoption of IWS technology within the green building sector in the United States and globally.

The award will be presented at a ceremony in January 2016 during the annual AHR Expo® in Orlando, Florida. IWS CEO Lynn Mueller stated: "The AHR Expo® Innovation Award is a testament to the hard work from every member of our organization. We take great pride in our role as green energy innovators and the impact that our products are having on the reduction of GHG emissions globally."

Additional information on the Green Building Innovation award received by IWS is available at: http://www.ahrexpo.com/forvisitors/innovation_winners.php

ON BEHALF OF THE BOARD

Lynn Mueller, Chairman and Chief Executive Officer

About International Wastewater Systems Inc.

International Wastewater Systems Inc. (CSE:IWS)(FRANKFURT:IWI) is a world leader in wastewater heat recovery technology. IWS designs and develops renewable energy systems that extract thermal energy from wastewater, generating the most energy efficient and economical systems for heating, cooling & hot water for commercial, residential and industrial buildings. Visit us at www.iwhes.com or follow us on Twitter @sewageSHARC

The CSE does not accept responsibility for the adequacy or accuracy of this release.

Forward-Looking Information

This release includes certain statements that may be deemed "forward-looking statements". All statements in this release, other than statements of historical facts, that address events or developments that the Company expects to occur, are forward-looking statements. Forward-looking statements are statements that are not historical facts and are generally, but not always, identified by the words "expects", "plans", "anticipates", "believes", "intends", "estimates", "projects", "potential" and similar expressions, or that events or conditions "will", "would", "may", "could" or "should" occur. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results may differ materially from those in the forward-looking statements. Factors that could cause the actual results to differ materially from those in forward-looking statements include regulatory actions, market prices, exploitation and exploration successes, and continued availability of capital and financing, and general economic, market or business conditions. Investors are cautioned that any such statements are not guarantees of future performance and actual results or developments may differ materially from those projected in the forward-looking statements. Forward-looking statements are based on the beliefs, estimates and opinions of the Company's management on the date the statements are made. Except as required by applicable securities laws, the Company undertakes no obligation to update these forward-looking statements in the event that management's beliefs, estimates or opinions, or other factors, should change.

Contact Information:

International Wastewater Systems Inc.
Yaron Conforti
CFO and Director
(416) 716-8181