CWBFG Sustainability Report 2022

Supplemental reporting

Table of Contents

Maintain a foundation of trust

Obsessed with your success

Manage our impact responsibly

Overview

Appendices

SASB index

The Value Reporting Foundation is an independent, non-profit standard-setting organization that develops and maintains robust reporting standards that enable businesses around the world to identify, manage and communicate financially material sustainability information to their investors. Sustainability Accounting Standards Board (SASB) standards, which are maintained by the Value Reporting Foundation, are evidence-based standards, developed with broad market participation, and designed to be cost-effective for companies and decision-useful for investors. We do not currently disclose all topics and/or accounting metrics included within the SASB standards, however, we will continue to evaluate applicable disclosures for inclusion in

future reporting periods. As the SASB standards have been developed from a U.S. perspective, some standards are not entirely applicable to Canadian-based financial institutions such as CWB. Where possible, we have disclosed information based on similar Canadian requirements. As a diversified financial institution, our operations fall into several SASB sector standards. This SASB index covers sector standards that we have determined to be most relevant to our business activities: Asset Management and Custody Activities; Commercial Banks; Consumer Finance; and Mortgage Finance. Metrics that appear in more than one sector are grouped together.

SASB Disclosure

Accounting Metric

2022 Disclosure

Activity Metrics

Refer to page 39 of our 2022 Annual Report (Table 28 - Off-Balance Sheet Items) for a breakdown of our assets under management (AUM), assets under administration and assets under advisement. We do not disclose a breakdown of registered and unregistered AUM. Refer to page 93 of our 2022 Annual Report (Note 12 - Deposits) for a breakdown of personal, and business and government deposits. We do not disclose the number of accounts, a breakdown of chequing and savings accounts or amounts specifically related to small business clients. Refer to pages 28 and 29 of our 2022 Annual Report (Table 10 - Outstanding Loans by Portfolio and Table 11 - Outstanding Loans by Industry Sector) for information on our loan portfolio composition. Refer to page 38 of our 2022 Annual Report (Table 25 - Risk-Weighted Assets) for a breakdown of our loan portfolio based on the segmentation within the Capital Adequacy Guidelines prescribed by the Office of the Superintendent of Financial Institution Canada (OSFI), which includes retail, small business and corporate classifications. We also provide a Breakdown of total Canadian business financing on page 66 of this report. Refer to page 13 of our Q4 2022 Supplemental Financial Information for information on our residential mortgage portfolio. Refer to page 28 of our 2022 Annual Report (Table 10 - Outstanding Loans by Portfolio) for our balance of commercial mortgages. We do not disclose the number or value of residential or commercial mortgages originated.

FN-AC-000.A

(1) Total registered and (2) total unregistered assets under management (AUM)

FN-CB-000.A

(1) Number and (2) value of checking and savings accounts by segment: (a) personal and (b) small business (1) Number and (2) value of loans by segment: (a) personal, (b) small business, and (c) corporate

FN-CB-000.B

FN-MF-000.A

(1) Number and (2) value of mortgages originated by category: (a) residential and (b) commercial

67 2022 SUSTAINABILITY REPORT AND PUBLIC ACCOUNTABILITY STATEMENT

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