VANCOUVER, BRITISH COLUMBIA–(Marketwired – June 14, 2016) – International Wastewater Systems Inc. (“IWS” or the “Company”) (CSE:IWS)(FRANKFURT:IWI) is pleased to announce that the Company was selected to be featured in a television commercial that will air on Canadian cable television channels and online properties.

The commercial will be broadcast in Canada on the Business News Network (BNN) and on CBC’s Documentary Channel, as well as online via Thomson Reuters, Stockhouse and Business TV (B-TV).

The commercial includes a 90-second IWS feature with CEO Lynn Mueller, as well as a 15-second clip that will air on Business News Network starting today and through the end of this month. A link to the condensed clip can be viewed here: http://www.b-tv.com/intl-wastewater-commercial/

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. IWS systems recycle thermal energy from wastewater, generating the most energy efficient and economical systems for heating, cooling & hot water for commercial, residential and industrial buildings.

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