Sustainable Energy Forwards Prosol Invest Related News Release

CALGARY, ALBERTA - May 27, 2013 – Sustainable Energy Technologies Ltd (TSX VENTURE:STG) ("Sustainable Energy" or the "Company"), a manufacturer of intelligent power electronics for decentralized generation and storage systems is pleased to confirm that Sonnenbatterie’s new product line “Comfort” powered by BiDirex will be on display and available for order at Intersolar June, 2013 in Munich.

Sustainable Energy Forwards Prosol Invest Related News Releases

Calgary, Alberta CANADA, May 27, 2013 – Sustainable Energy Technologies (STG - TSX Venture), ("Sustainable Energy" or the "Corporation") is forwarding news releases concerning the Sonnenbatterie product line by PROSOL Invest Deutschland GmbH (“Prosol”) that were released shortly prior to the announced supply agreement between Prosol and Sustainable Energy. (See Sustainable Energy Closes Multi-Megawatt Supply Contract with Market Leading Solar Battery Integrator in Germany, May 16, 2013)

Sustainable Energy Closes Multi-Megawatt Supply Contract with Market Leading Solar Battery Integrator in Germany

Calgary, Alberta – May 16, 2013 Sustainable Energy Technologies Ltd (TSX-V: STG) (“Sustainable Energy” or the “Company”) announced today that it has closed on a previously announced multi-megawatt agreement (See News Release: February 19, 2013) with Prosol Invest Deutschland GmbH (“Prosol”) to supply inverters for Prosol’s Sonnenbatterie (www.sonnenbatterie.de) residential and commercial solar energy management system.

Sustainable Energy to Issue Additional 15,000 First Preferred Share Units

CALGARY, ALBERTA - April 24, 2013 – Sustainable Energy Technologies Ltd (TSX VENTURE:STG) ("Sustainable Energy" or the "Company") announced today that it will increase the size of its previously announced (News Release: April 17, 2013) issue of 50,000 First Preferred Share Units up to a total of 65,000 Units.

Sustainable Energy Market Update: Germany Launches Incentive Program for Solar Energy Storage Systems

CALGARY, ALBERTA - April 24, 2013 – Sustainable Energy Technologies Ltd (TSX VENTURE:STG) ("Sustainable Energy" or the "Company"), a manufacturer of intelligent power electronics for decentralized generation and storage systems is pleased to confirm that the German Government will implement the expected incentive program for residential solar energy storage systems, beginning
May 1, 2013. (See News Release: February 19, 2013: Sustainable Energy's Energy Storage Inverter Selected by Leading European Energy Management System Supplier)