PART I INFORMATION SENT TO SECURITY HOLDERS – Form CB

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form CB

TENDER OFFER/RIGHTS OFFERING NOTIFICATION FORM

Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to file this Form:

Securities Act Rule 801 (Rights Offering) ☐

Securities Act Rule 802 (Exchange Offer) ☒

Exchange Act Rule 13e-4(h)(8) (Issuer Tender Offer) ☐

Exchange Act Rule 14d-1(c) (Third Party Tender Offer) ☐

Exchange Act Rule 14e-2(d) (Subject Company Response) ☐

Filed or submitted in paper if permitted by Regulation S-T Rule 101(b)(8) ☐

Canadian WesteBank
(Name of Subject Company)

N/A
(Translation of Subject Company's Name into English (if applicable))

Canada
(Jurisdiction of Subject Company's Incorporation or Organization)

National Bank of Canada
(Name of Person(s) Furnishing Form)

First Preferred Shares Series 5 (Non-Viability Contingent Capital (NVCC))

First Preferred Shares Series 9 (Non-Viability Contingent Capital (NVCC))

(Title of Class of Subject Securities)

First Preferred Shares Series 5 (Non-Viability Contingent Capital (NVCC)) CUSIP - 136765500

First Preferred Shares Series 9 (Non-Viability Contingent Capital (NVCC)) CUSIP - 136765880
(CUSIP Number of Class of Securities (if applicable))

National Bank of Canada, New York Branch

65 East 55th Street, New York, NY 10022,

(212) 632 8500

(Name, Address (including zip code) and Telephone Number (including area code)
of Person(s) Authorized to Receive Notices and Communications on Behalf of Subject Company)

October 28, 2024
(Date Tender Offer/Rights Offering Commenced)

PART I

INFORMATION SENT TO SECURITY HOLDERS

Item 1.Home Jurisdiction Documents

(a) The following documents have been delivered to holders of securities of, or published in the home jurisdiction of, Canadian WesteBank, and are required to be disseminated to U.S. security holders or published in the United States:

The Exhibits attached to this Form CB shall be deemed to be "furnished" and shall not be deemed to be "filed" with the United States Securities Exchange Commission.

(b) Not applicable

Item 2.Informational Legends

The legends required by Rule 802(b) of the Securities Act of 1933, as amended, are included under the heading "Notice to CWB Preferred Shareholders in the United States" beginning on page 3 of the Circular.

PART II

INFORMATION NOT REQUIRED TO BE SENT TO SECURITY HOLDERS

The following documents filed with securities commissions or similar authorities in Canada have been incorporated by reference in the Circular.

The Exhibits attached to this Form CB shall be deemed to be "furnished" and shall not be deemed to be "filed" with the United States Securities Exchange Commission.

PART III

CONSENT TO SERVICE OF PROCESS

A written irrevocable consent and power of attorney on Form F-X has been filed by National Bank of Canada concurrently with the filing of this Form CB.

Any change in the name or address of the agent for service of process of National Bank of Canada shall be promptly communicated to the Securities and Exchange Commission by an amendment to the Form F-X.

PART IV

SIGNATURES

After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct as of October 29, 2024.

NATIONAL BANK OF CANADA

EXHIBIT INDEX

5

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National Bank of Canada published this content on October 29, 2024, and is solely responsible for the information contained herein. Distributed by Public, unedited and unaltered, on October 29, 2024 at 14:32:25.370.