Sustainable Energy Announces $500,000 Investment from Doughty Hanson to Accelerate Production of Energy Storage Inverters

CALGARY, ALBERTA - March 15, 2013 – Sustainable Energy Technologies Ltd (TSX VENTURE:STG) ("Sustainable Energy" or the "Company") is pleased to announce that Doughty Hanson Technology Ventures ("DHTV") will invest $500,000 to enable the Company to accelerate production of its energy storage inverters for German solar battery systems. The inverters will be delivered under a previously announced multi-year deal with a leading European developer of solar battery systems (News Release dated February 19, 2013).

Sustainable Energy Releases Q1 Results and Provides Update

CALGARY, ALBERTA - March 04, 2013 – Sustainable Energy Technologies Ltd (TSX VENTURE:STG) ("Sustainable Energy" or the "Company") announced that it has filed its Consolidated Financial Statements for the Three Months ending December 31 2012 ("Q1") along with Management's Discussion and Analysis thereof. The Consolidated Financial Statements and the Management Discussion and Analysis thereof are available on SEDAR at www.sedar.com and on the Company's website at www.sustainableenergy.com.

Sustainable Energy's Energy Storage Inverter Selected by Leading European Energy Management System Supplier

CALGARY, ALBERTA - Feb. 19, 2013 – Sustainable Energy Technologies Ltd (TSX VENTURE:STG) ("Sustainable Energy" or the "Company"), a manufacturer of intelligent power electronics for distributed generation and storage systems, announced today that it has agreed on the essential elements of an exclusive, multi-year deal to supply its energy storage inverters to a leading supplier of
energy management systems for European markets. The agreement is subject to negotiation of final licensing and supply contracts over the next 30 days, and satisfactory integration of the inverter into the energy management system over the next 60 days.

Sustainable Energy Ships Smart Grid Energy Storage Inverters to Germany and the United States

CALGARY, ALBERTA - Feb. 5, 2013 – Sustainable Energy Technologies Ltd (TSX Venture:STG) ("Sustainable Energy" or the "Company") a supplier of intelligent power electronics for smart grid and micro-grids, announced today that it has shipped its first energy storage inverters to prospective channel partners in Germany and the United States. The inverters will demonstrate the value of the Company's technology in enabling the integration of high efficiency battery technologies in smart grid and micro-grid applications.

Sustainable Energy Provides Shareholder Update and Announces Year End Financial Results for the Period Ended September 30, 2012

Sustainable Energy Technologies Ltd (TSX VENTURE:STG)
("Sustainable Energy" or the "Company") announced that it has filed its Consolidated Financial Statements for the Six Months ending March 31 2012 along with Management's Discussion and Analysis thereof. The Consolidated Financial Statements and the Management Discussion and Analysis thereof are available on SEDAR at www.sedar.com and on the Company's website at www.sustainableenergy.com.