Prospectus by Investment Company - Form 497

BBH TRUST

BBH INTERMEDIATE MUNICIPAL BOND FUND

Class I Shares (BBIIX)

Class N Shares (BBINX)

SUPPLEMENT DATED NOVEMBER 22, 2024

TO THE PROSPECTUS

DATED FEBRUARY 28, 2024

The following information supplements, and to the extent inconsistent therewith, supersedes, certain information in the Prospectus. Defined terms not otherwise defined in this supplement have the same meaning as set forth in the Statement of Additional Information.

I.	Fees and Expenses

Effective immediately, the "Fees and Expenses of the Fund section" beginning on page 3 of the Prospectus is deleted in its entirety and replaced by the following:

"FEES AND EXPENSES OF THE FUND

The table below describes the fees and expenses that you may pay if you buy, hold, and sell the Fund's Class I Shares. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and expense example below.

Annual Fund Operating Expenses

(Expenses that you pay each year as a percentage of the value of your investment)

	Class N		Class I
Management Fees	0.40%		0.40%
Shareholder Service Fee	0.20%		None
Distribution (12b-1) Fees	None		None
Other Expenses	0.12%		0.05%
Total Annual Fund Operating Expenses	0.72%		0.45%
Less Fee Waiver/Expense Reimbursement	(0.07)%		0.00%
Total Annual Fund Operating expenses After Fee Waiver/Expense Reimbursement	0.65%		0.45%

*

Brown Brothers Harriman & Co., through a separately identifiable department ("Investment Adviser"), has contractually agreed to limit the Total Annual Fund Operating Expenses of 0.65% for Class N Shares and 0.50% for Class I Shares through March 1, 2025 (excluding interest, taxes, brokerage commissions, other expenditures that are capitalized in accordance with generally accepted accounting principles, and other extraordinary expenses not incurred in the ordinary course of the Fund's business and amounts payable pursuant to any plan adopted in accordance with Rule 12b-1 under the Investment Company Act of 1940 ("the 1940 Act")) (the "Expense Limitation Agreement"). The Expense Limitation Agreement may only be terminated during its term with approval of the Fund's Board of Trustees (the "Board")."

II.	Frequent Trading Policy

Effective immediately, the "Frequent Trading Policy" section beginning on page 35 of the Prospectus is deleted in its entirety and replaced by the following:

"Frequent Trading Policy

Frequent or short-term trading into and out of the Fund, or time-zone arbitrage (i.e., the purchase and sale of Fund securities in order to profit from price discrepancies between the time the price of the portfolio security is determined and the time the Fund's NAV is computed), can have adverse consequences for the Fund and shareholders who use the Fund as a long-term investment vehicle. Such trading in significant amounts can disrupt the Fund's investment strategies (e.g., by requiring it to sell investments at inopportune times or maintain excessive short-term or cash positions to support redemptions), dilute the interests of other shareholders, increase brokerage and administrative costs and affect the timing and amount of taxable gains distributed by the Fund. Investors engaged in such trading may also seek to profit by anticipating changes in the Fund's NAV in advance of the time the NAV is calculated.

The Fund's Board has approved policies and procedures intended to discourage excessive frequent or short-term trading of the Fund's shares. The Fund also monitors trading in Fund shares in an effort to identify disruptive trading activity.

In addition, each agreement among the Fund, its distributor and a Financial Intermediary will contain representations concerning the Financial Intermediary's policies and procedures to monitor, deter and report instances of market timing.

No matter how the Fund defines its limits on frequent trading of Fund shares, other purchases and sales of Fund shares, not deemed to be frequent trading, may have adverse effects on the management of the Fund's portfolio and its performance.

Redemption fees and restrictions on short-term trading should apply to all shareholders, regardless of the number or type of accounts in which shares are held. However, the Fund anticipates that limitations on its ability to identify trading activity to specific shareholders, including where shares are held through a Financial Intermediary in multiple or omnibus accounts, will mean that these restrictions may not be able to be applied uniformly in all cases.

The Investment Adviser may determine from the amount, frequency or pattern of purchases and redemptions that a shareholder is engaged in excessive trading that is or could be detrimental to the Fund and other shareholders and may preclude the shareholder from making further purchases of Fund shares. If your purchase order is rejected, you will not be able to execute that transaction, and the Fund will not be responsible for any losses you may suffer."

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