Summary of Terms
Issuer	Canadian Imperial Bank of Commerce (“CIBC”)
Market Measure	The S&P 500^® Index (Bloomberg ticker symbol “SPX”), the Russell 2000^® Index (Bloomberg ticker symbol “RTY”), and the SPDR^® Dow Jones^® Industrial Average ETF Trust (Bloomberg ticker symbol “DIA”) (each, an “Underlying” and collectively, the “Underlyings”)
Face Amount (Original Offering Price)	The principal amount of $1,000 per security
Pricing Date*	March 28, 2024
Issue Date*	April 3, 2024
Stated Maturity Date*	March 31, 2028
Automatic Call	If the Closing Value of the Lowest Performing Underlying on any Call Observation Date (including the Final Calculation Day) is greater than or equal to its applicable Call Threshold Value, the securities will be automatically called for the face amount plus the Call Premium applicable to that Call Observation Date.

Call Observation Dates*, Call Threshold Values and Call Premiums	Call Observation Dates*	Call Threshold Values for Each Underlying	Call Premiums**
	April 3, 2025	100% of its Starting Value	At least 10.32% of the face amount
	April 6, 2026	100% of its Starting Value	At least 20.64% of the face amount
	April 5, 2027	100% of its Starting Value	At least 30.96% of the face amount
	March 28, 2028 (the “Final Calculation Day”)	70% of its Starting Value	At least 41.28% of the face amount

	** to be determined on the Pricing Date.
Call Payment Date	Three Business Days after the applicable Call Observation Date (if the securities are called on the last Call Observation Date, the Call Payment Date will be the Stated Maturity Date)
Maturity Payment Amount (per Security)	If the securities are not automatically called: $1,000 × Performance Factor of the Lowest Performing Underlying on the Final Calculation Day
Lowest Performing Underlying	For any Call Observation Date, the Underlying with the lowest Performance Factor on that day
Performance Factor	With respect to an Underlying on any Call Observation Date, its Closing Value on such day divided by its Starting Value (expressed as a percentage).
Starting Value	For each Underlying, its Closing Value on the Pricing Date
Ending Value	For each Underlying, its Closing Value on the Final Calculation Day
Calculation Agent	CIBC
Denominations	$1,000 and integral multiples of $1,000 in excess thereof
*Subject to change

Summary of Terms (Continued)

Agent’s Underwriting Discount and Other Fees	Up to 0.775%; dealers, including those using the trade name Wells Fargo Advisors (“WFA”), may receive a selling concession of up to 0.50% and WFA will receive a distribution expense fee of 0.075%. In addition, in respect of certain securities sold in this offering, the Issuer may pay a fee of up to 0.05% per security to selected securities dealers in consideration for marketing and other services in connection with the distribution of the securities to other securities dealers.
CUSIP / ISIN	13607XRM1 / US13607XRM10
Material Tax Consequences:	See the preliminary pricing supplement.

Hypothetical Payout Profile ***

***assumes a Call Premium equal to the lowest possible Call Premium that will be determined on the Pricing Date.

If the securities are not automatically called, you will have 1-to-1 downside exposure to the decrease in the value of the Lowest Performing Underlying on the Final Calculation Day from its Starting Value and lose more than 30%, and possibly all, of the face amount of your securities at maturity.

Any positive return on the securities will be limited to the applicable Call Premium, even if the Closing Value of the Lowest Performing Underlying on the applicable Call Observation Date significantly exceeds its Starting Value. You will not participate in any appreciation of any Underlying beyond the applicable Call Premium.

The Issuer’s estimated value of the securities on the Pricing Date, based on the Issuer’s internal pricing models, is expected to be between $947.70 and $967.70 per security but less than the original offering price. The estimated value of the securities is not an indication of actual profit to the Issuer or to any of the Issuer’s affiliates, nor is it an indication of the price, if any, at which Wells Fargo Securities, LLC (“Wells Fargo Securities”) or any other person may be willing to buy the securities from you at any time after issuance. See “The Estimated Value of the Securities” in the accompanying preliminary pricing supplement.

Preliminary Pricing Supplement: https://www.sec.gov/Archives/edgar/data/1045520/000110465924039586/tm247701d64_424b2.htm

The securities have complex features and investing in the securities involves risks not associated with an investment in conventional debt securities. See “Selected Risk Considerations” in this term sheet and beginning on page PRS-8 of the accompanying preliminary pricing supplement, and “Risk Factors” beginning on page S-1 of the underlying supplements, page S-1 of the prospectus supplement and page 1 of the prospectus.

This introductory term sheet does not provide all of the information that an investor should consider prior to making an investment decision.

Investors should carefully review the accompanying preliminary pricing supplement, product supplement, underlying supplements, prospectus supplement and prospectus before making a decision to invest in the securities. If the terms described in the preliminary pricing supplement are inconsistent with those described herein, the terms described in the preliminary pricing supplement will control.

NOT A BANK DEPOSIT AND NOT INSURED BY THE CANADA DEPOSIT INSURANCE CORPORATION, THE U.S. FEDERAL DEPOSIT INSURANCE CORPORATION OR ANY OTHER GOVERNMENTAL AGENCY

The risks set forth below are discussed in detail in the “Selected Risk Considerations” section in the accompanying preliminary pricing supplement and the “Risk Factors” section in the accompanying underlying supplements, prospectus supplement and prospectus. Please review those risk disclosures carefully.

The Issuer has filed a registration statement (including a prospectus, a prospectus supplement, the underlying supplements and a product supplement) with the Securities and Exchange Commission (the “SEC”) for the offering to which this communication relates. Before you invest, you should read the prospectus, the prospectus supplement, the underlying supplements and the product supplement in that registration statement and other documents the Issuer has filed with the SEC for more complete information about the Issuer and this offering. You may get these documents for free by visiting EDGAR on the SEC website at www.sec.gov. Alternatively, any agent or any dealer participating in the offering will arrange to send you the prospectus, the prospectus supplement, the underlying supplements and the product supplement if you request them by calling your financial advisor or by calling Wells Fargo Securities at 866-346-7732.

Wells Fargo Advisors is a trade name used by Wells Fargo Clearing Services, LLC and Wells Fargo Advisors Financial Network, LLC, members SIPC, separate registered broker-dealers and non-bank affiliates of Wells Fargo & Company.