Q1 2023 Financial Results

Interest Rate Sensitivity . NET INTEREST INCOME SENSITIVITY Impact of an immediate and sustained 100 bps parallel shift on net interest income over a 12-month period о 100 bps increase: $304 million decrease in net interest income 100 bps decrease: $233 million increase in net interest income POLICY RATE CHANGE AND OUTLOOK Rate Change by BNS Fiscal Quarters (bps)² QTD Country Canada Q1/22 Q2/22 Q3/22 Q4/22 Q1/23 Q2/23 +75 +150 +125 +75 - Current Policy Rate 4.50% Forecast Policy Rate for Dec 31/233 4.25% Above estimates assume a static balance sheet and no management actions¹ . Balance sheet positioned to benefit from declining rates Chile US +25 +200 +75 +125 +25 Mexico +75 +100 +125 +150 +125 +50 Colombia +150 +200 +300 +200 +175 Peru +150 +150 +150 +100 +75 +275 +150 +275 +150 4.75% 11.00% 12.00% 12.75% 12.00% 5.25% 7.75% 11.25% 4.50% 7.25% HISTORICAL INTEREST RATE ENVIRONMENT AND OUTLOOK² % 6.0 5.0 4.0 3.0 2.0 1.0 0.0 Oct-21 Canada & US % Mexico & Chile 12.0 10.0 " "1 8.0 6.0 4.0 2.0 0.0 Apr-22 Oct-22 Apr-23 Oct-23 Oct-21 Apr-22 Oct-22 Apr-23 Oct-23 BOC Overnight Rate CAD 5-Yr Swap Rate USD 5-Yr Swap Rate Fed Funds Rate Bank of Mexico Overnight Rate Bank of Chile Monetary Policy Rate MXN 5-Yr Swap Rate CLP 5-Yr Swap Rate 1 Additional detail regarding non-trading interest rate sensitivity can be found on page 33 of the Management's Discussion & Analysis in the Bank's First Quarter 2023 Report to Shareholders, available on http://www.sedar.com 3 Source: Scotia Economics. US and Canada as at February 6, 2023 forecast, Pacific Alliance countries as at February 10, 2023 forecast 2 As of February 27, 2023 59 59

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