On August 25, the Alberta Securities Commission (ASC) dismissed the application filed by TransAlta Corporation requesting that the ASC cease trade a shareholder rights plan implemented by Canadian Hydro Developers, Inc. TransAlta's application to the ASC stemmed from its unsolicited bid for the outstanding common shares of Canadian Hydro.

Pursuant to its bid circular dated July 22, 2009, TransAlta offered to acquire all of the issued and outstanding common shares of Canadian Hydro (together with associated rights) at a price of $4.55 per common share. The bid is set to expire today, August 27, 2009, and is conditional upon the board of Canadian Hydro redeeming all outstanding rights, waiving application of the rights plan or the plan being cease traded or its application otherwise prohibited or prevented by a relevant governmental entity. The shareholder rights plan was approved by shareholders of Canadian Hydro on April 24, 2008 and allows for certain types of takeover bids that qualify as “permitted bids” under the terms of the plan. A "permitted bid" requires, among other things, that such a bid be made on certain prescribed terms and conditions.

As a result of the decision of the ASC, the plan remains in force. This decision represents the third of its kind to refuse to cease trade a shareholder rights plan in the face of an unsolicited bid and follows on similar decisions made by the ASC in Re Pulse Data Inc. (2007) and the Ontario Securities Commission in the matter of NEO Material Technologies and Pala Investment Holdings Limited (decision rendered on May 11, 2009 with full reasons to follow). While the ASC did not release reasons at the time of its decision, full reasons are expected in the near future.