CHICAGO--(BUSINESS WIRE)--Fitch Ratings has affirmed all rated classes of Institutional Mortgage Securities Canada Inc.'s (IMSCI) commercial mortgage pass-through certificates, series 2014-5. A full list of rating actions follows at the end of this press release. KEY RATING DRIVERS The affirmations reflect the transaction's stable performance since issuance. As of the July 2015 distribution date, the pool's aggregate principal balance has been reduced by 9.6% to $281.9 million from $311.8 milli