5 bank, said last month it expects mid-single-digit expense growth in fiscal 2022, after reporting a 13% increase in the fourth quarter, the highest in the industry. BMO CEO Darryl White also reiterated the bank's forecast for flat expense growth, helped by the impact of the sale of its EMEA business. By Nichola Saminather and Sohini Podder TORONTO, Jan 10 (Reuters) - Royal Bank of Canada RY.TO, Bank of Montreal BMO.TO and Canadian Imperial Bank of Commerce (CIBC) CM.TO on Monday maintained their forecasts for growth in expenses this year despite expectations that inflation will remain elevated.