Sept 29 (Reuters) - Canada's Imperial Oil said on Monday it expects to reduce employee roles by about 20% by the end of 2027 as a result of its restructuring plan. (Reporting by Katha Kalia in Bengaluru; Editing by Devika Syamnath) (The article has been published through a syndicated feed. Except for the headline, the content has been published verbatim. Liability lies with original publisher.)