CWBFG_Sustainability Report 2023

Table of Contents

Maintain a foundation of trust

Obsessed with your success

Manage our impact responsibly

Supplemental reporting

Appendices and Glossary

Overview

About this report This Sustainability Report includes information about Canadian Western Bank and its subsidiaries (collectively, CWB) and outlines our activity and performance related to environmental, social and governance (ESG) factors that are most important to our stakeholders (refer to Our approach to sustainability ). Unless otherwise stated, the information contained within this report pertains to our fiscal year ended October 31, 2023, and all amounts are reported in Canadian dollars.

Reporting to the Chief Financial Officer (CFO), our Sustainability team is responsible for the development of this report, which was reviewed by our ESG Steering Committee, Disclosure Committee and Board of Directors prior to its release.

PUBLIC ACCOUNTABILITY STATEMENT

This report includes our Public Accountability Statement, which describes the contributions we made to the Canadian economy and society in fiscal 2023, in alignment with the regulatory requirements outlined in section 627.996 of the Bank Act . Refer to page 74 for further details.

REPORTING STANDARDS AND FRAMEWORKS

We provide transparent disclosures on our approach to sustainability, supported by a phased adoption of several voluntary reporting frameworks, including the: – Task Force on Climate-related Financial Disclosures (TCFD) recommendations (refer to page 57 ); and, – Sustainability Accounting Standards Board (SASB) standards (refer to page 78 ). We will continue to enhance our disclosures as we advance our approach to sustainability and as related reporting regulations and stakeholder expectations evolve.

We publish a range of materials with information about our approach to sustainability and relevant ESG factors. The following publications are referenced throughout this report and can be found on CWB.com :

INDEPENDENT LIMITED ASSURANCE

We obtained limited assurance from KPMG LLP (KPMG) on our Scope 1 and 2 greenhouse gas (GHG) emissions figures disclosed on pages 9, 68 and 69 . Refer to page 85 for KPMG’s Independent Limited Assurance Report .

• ESG data pack • Annual Report • Equity Report Narrative • Management Proxy Circular Our previous Sustainability Reports can be found at www.cwb.com/en/ sustainability-reports.

WAYS TO REACH US

We welcome your feedback on this report. Please direct your questions and comments to sustainability@cwbank.com .

5 2023 SUSTAINABILITY REPORT AND PUBLIC ACCOUNTABILITY STATEMENT

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