Free Writing Prospectus (Form FWP)

Autocallable Market-Linked Step Up Notes Linked to the Russell 2000^® Index

The graph above and the table below reflect the hypothetical return on the notes, based on the terms contained in the table to the left (using the mid-point for any range(s)). The graph and the table have been prepared for purposes of illustration only and do not take into account any tax consequences from investing in the notes.

(1)This hypothetical percentage change corresponds to the Threshold Value.

(2)This amount represents the sum of the principal amount and the hypothetical Step Up Payment of $2.00.

(3)This hypothetical percentage change corresponds to the hypothetical Step Up Value.

Issuer

BofA Finance LLC ("BofA Finance")

Guarantor

Bank of America Corporation ("BAC")

Principal Amount

$10.00 per unit

Term

Approximately two years, if not called

Market Measure

The Russell 2000® Index (Bloomberg symbol: "RTY")

Automatic Call

The notes will be called automatically on the Observation Date if the closing level of the Market Measure is equal to or greater than the Call Level

Call Level

100% of the Starting Value

Observation Dates

Approximately one year, from the pricing date

Call Amount

[$11.10 to $11.20] if called on the Observation Date, to be determined on the pricing date

Payout Profile at Maturity

●If the Market Measure is flat or increases up to the Step Up Value, a return equal to the Step Up Payment

●If the Market Measure increases above the Step Up Value, a return equal to the percentage increase in the Market Measure

●1-to-1 downside exposure to decreases in the Market Measure, with up to 100% of your principal at risk

Step Up Value

120% of the Starting Value, to be determined on the pricing date

Step Up Payment

$2.00 per unit, a 20.00% return over the principal amount, to be determined on the pricing date

Threshold Value

100% of the Starting Value of the Market Measure

Interest Payments

None

Preliminary Offering Documents

https://www.sec.gov/Archives/edgar/data/70858/000191870426026791/bofa-424b2.htm

Exchange Listing

No

You should read the relevant Preliminary Offering Documents before you invest. Click on the Preliminary Offering Documents hyperlink above or call your Financial Advisor for a hard copy.

Risk Factors

Please see the Preliminary Offering Documents for a description of certain risks related to this investment, including, but not limited to, the following:

●If your notes are not called prior to maturity, your investment may result in a loss; there is no guaranteed return of principal.

●Payments on the notes are subject to the credit risk of BofA Finance and the credit risk of BAC, and actual or perceived changes in the creditworthiness of BofA Finance or BAC are expected to affect the value of the notes. If BofA Finance and BAC become insolvent or are unable to pay their respective obligations, you may lose your entire investment.

●The initial estimated value of the notes on the pricing date will be less than their public offering price.

●If you attempt to sell the notes prior to maturity, their market value may be lower than both the public offering price and the initial estimated value of the notes on the pricing date.

●If called, your return on the notes is limited to the applicable Call Premium.

●You will have no rights of a holder of the securities represented by the Market Measure, and you will not be entitled to receive securities or dividends or other distributions by the issuers of those securities.

●The notes are subject to risks associated with small-size capitalization companies.

Final terms will be set on the pricing date within the given range for the specified Market-Linked Investment. Please see the Preliminary Offering Documents for complete product disclosure, including related risks and tax disclosure.