Oct 5 (Reuters) - Suncor Energy Inc SU.TO :
* Says assuming closing of deal, Canadian Oil Sands Ltd shareholders are
expected to own approximately 7.7 percent of Suncor
* Says assuming closing of deal, Suncor's working interest in Syncrude will
rise from 12 percent to 48.74 percent
* Says following the transaction, Suncor's upstream production will continue to
be 99 percent oil - conf call
* In March 2015, co approached Canadian Oil Sands CEO about a possibility of a
negotiated transaction between companies- conf call
* In March, Canadian Oil Sands CEO indicated there was no interest on part of
Canadian Oil Sands in a deal with Suncor- conf call
* Says believe the value of Canadian Oil Sands has declined since the previous
offer was made - conf call
* Expects the deal with Canadian Oil Sands to be accretive over time - conf
call
* Says following the deal, production that comes from oil sands is expected to
rise to just over 82 percent
* Says oil sands price volatility is expected to continue for the next several
years - conf call
* Says by the end of this year, expect to begin supplying Montreal refinery
with inland crude via pipeline
* Says outlook for oil sands market is very challenging, "particularly for standalone producers such as Canadian Oil Sands
* Further company coverage SU.TO