Financial Performance and Digital Progress Update

Interest Rate Sensitivity . NET INTEREST INCOME SENSITIVITY Impact of an immediate and sustained 100 bps parallel shift on net interest income (NII) over a 12-month period ○ +100 bps: $99 million decrease in NII О -100 bps: $68 million increase in NII POLICY RATE CHANGE AND OUTLOOK Policy rate Rate Change by BNS Fiscal Quarters (bps) Above estimates assume a static balance sheet and no management actions¹ Country on Oct FY 2022 31/21 Canada 0.25% +350 Q1/23Q2/23Q3/23 Q4/23 QTD Q1/24 Current Policy Rate Forecast Policy Rate² Dec Mar Jun Sep 30/23 29/24 28/24 30/24 +75 +50 5.00% 5.00% 5.00% 4.75% 4.25% • Q/Q: Maintained low NII sensitivity • NII benefit if market implied forward rates are realized US 0.25% +300 +125 +50 Mexico 4.75% +450 +125 +75 Colombia 2.50% +850 +175 +50 Peru 1.50% +550 +75 Chile 2.75% +850 +50 - 5.50% 5.50% 5.50% 5.25% 4.75% - - 11.25% 11.25% 11.00% 10.50% 10.00% - -50 -100 -125 - 9.00% 8.50% 7.50% 5.75% 4.75% 13.25% 12.75% 11.25% 9.25% 7.75% -25 7.00% 6.75% 6.75% 6.25% 5.50% HISTORICAL INTEREST RATE ENVIRONMENT AND OUTLOOK 3 Canada & US (%) Mexico & Chile (%) 6.0 5.0 4.0 3.0 2.0 13.0 11.0 9.0 7.0 5.0 1.0 3.0 0.0 Oct-22 Apr-23 -BoC Overnight Rate Oct-23 -Fed Funds Rate Apr-24 -CAD 5-Yr Swap Rate -USD 5-Yr Swap Rate Oct-24 Oct-22 Apr-23 Oct-23 Bank of Mexico Overnight Rate Bank of Chile Monetary Policy Rate Apr-24 MXN 5-Yr Swap Rate Oct-24 - CLP 5-Yr Swap Rate 1 Additional detail regarding non-trading interest rate sensitivity can be found on page 232 of the Consolidated Financial Statements in the Bank's 2023 Annual Report, available on http://www.sedarplus.ca 2 Source: Scotia Economics. US and Canada forecast as of October 23, 2023, Pacific Alliance countries forecast as of November 3, 2023 3 As at November 16, 2023 20 20

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