News

AltaGas Income Trust files prospectus supplement

August 23, 2005





CALGARY--(CCNMatthews - Aug. 23) - AltaGas Income Trust ("AltaGas" or the "Trust") announced today that it has filed a prospectus supplement under AltaGas' Universal Shelf Prospectus dated May 18, 2005 to establish a medium-term note program. The prospectus supplement is available at www.sedar.com.

AltaGas moves energy from its source to the end-user, adding value through the process. The Trust has consolidated assets totalling over $1 billion and a market capitalization of approximately $1.4 billion. Its steadily expanding asset base today includes natural gas gathering and processing facilities, interests in ethane and natural gas liquids extraction plants, and transmission pipelines. AltaGas distributes natural gas to Alberta customers through AltaGas Utilities Inc., to customers in the Northwest Territories through Inuvik Gas Ltd. and in Nova Scotia through its interest in Heritage Gas Limited. The Trust provides energy services to customers, including marketing of natural gas and natural gas liquids, sale of power from its power purchase based arrangements and, as a leading energy agency business, specializes in the procurement and supply of energy to end-users.

AltaGas' Trust Units are listed on the Toronto Stock Exchange under the symbol ALA.UN. The Trust is included in the S&P/TSX Capped Income Trust Index and the S&P/TSX Capped Energy Trust Index.

When used in this news release, the words "anticipate," "estimate," and similar expressions are intended to identify forward-looking statements. Such statements are subject to certain risks, uncertainties and assumptions that could cause actual results to differ materially from those contemplated in the forward-looking statements. These risks and uncertainties include operating performance, regulatory and environmental issues, weather and economic conditions, competition and financing availability. For additional information on these and other factors, see the reports filed by AltaGas with Canadian securities regulators. AltaGas disclaims any intention or obligation to update or revise any forward-looking information whether as a result of new information or future event.


FOR FURTHER INFORMATION PLEASE CONTACT:
Media
Dennis Dawson
(403) 691-7534
Email: dennis.dawson@altagas.ca


or


Investment Community
Debbie Stein
(403) 269-5683
Email: debbie.stein@altagas.ca


or


Investor Relations
1-877-691-7199
Email: investor.relations@altagas.ca
Website: www.altagas.ca