CALGARY, ALBERTA--(Marketwire - May 20, 2010) - AltaGas Income Trust (AltaGas or the Trust) (TSX:ALA.UN) invites investors, potential investors, members of the media and interested parties to attend its Annual and Special Meeting of Unitholders at 3:00 p.m. MDT on Thursday, June 3, 2010. The meeting will take place at the Devonian Room at the Calgary Petroleum Club, located at 319 5th Avenue S.W. in Calgary, Alberta.

A webcast of the Annual and Special Meeting will be accessible through the Trust's website, www.altagas.ca, under Investor Calendar or at http://events.digitalmedia.telus.com/altagas/060310/index.php. Attendees and webcast viewers will learn about the Trust's plan to convert to a corporation as well as its growth plans for 2010 and beyond.

A replay of the webcast will be available for three months and a transcript of the meeting will be posted on the Trust's website, www.altagas.ca, under Presentations and Webcasts.

AltaGas Income Trust is one of Canada's largest and fastest growing energy infrastructure organizations. The Trust creates value by acquiring, growing and optimizing gas and power infrastructure, including a focus on renewable energy sources.
AltaGas Income Trust's units are listed on the Toronto Stock Exchange under the symbol ALA.UN. The Trust is included in the S&P/TSX Composite Index, the S&P/TSX Income Trust Index and the S&P/TSX Capped Energy Trust Index.

This news release contains forward-looking statements. When used in this news release, the words "may", "would", "could", "will", "intend", "plan", "anticipate", "believe", "seek", "propose", "estimate", "expect", and similar expressions, as they relate to the Trust or an affiliate of the Trust, are intended to identify forward-looking statements. In particular, this news release contains forward-looking statements with respect to, among other things, business objectives, expected growth, results of operations, performance, business projects and opportunities and financial results. These statements involve known and unknown risks, uncertainties and other factors that may cause actual results or events to differ materially from those anticipated in such forward-looking statements. Such statements reflect the Trust's current views with respect to future events based on certain material factors and assumptions and are subject to certain risks and uncertainties, including without limitation, changes in market, competition, governmental or regulatory developments, general economic conditions and other factors set out in the Trust's public disclosure documents. Many factors could cause the Trust's actual results, performance or achievements to vary from those described in this news release, including without limitation those listed above. These factors should not be construed as exhaustive. Should one or more of these risks or uncertainties materialize, or should assumptions underlying forward-looking statements prove incorrect, actual results may vary materially from those described in this news release as intended, planned, anticipated, believed, sought, proposed, estimated or expected, and such forward-looking statements included in, or incorporated by reference in this news release, should not be unduly relied upon. Such statements speak only as of the date of this news release. The Trust does not intend, and does not assume any obligation, to update these forward-looking statements. The forward-looking statements contained in this news release are expressly qualified by this cautionary statement.