Nov 5 (Reuters) - Suncor Energy Inc SU.TO :
* Informed by Alberta securities commission regarding hearing date for
challenge of Canadian Oil sands' new shareholder rights plan
* Says "we are asking the asc to strike down the new rights plan"
* Says suncor's offer provides a period of 60 days for cos to consider ways to
improve shareholder value
* Believes this period is more than adequate for cos to consider a transaction
with Suncor or present another value-enhancing alternative
* Source text for Eikon urn:newsml:reuters.com:*:nMKWsnqKLa
* Further company coverage SU.TO