Domini Sustainable Solutions Fund^SM

* Average annual total returns
1. CAREX Inception date April 1, 2020
Returns for periods less than one year are not annualized.

Gross/Net Annual Expense Ratio: 2.05%/1.30%^2,3 Per current prospectus.

2. The Fund’s Adviser has agreed to waive certain fees and/or reimburse certain ordinary operating expenses (excluding brokerage fees and commissions, interest, taxes, and other extraordinary expenses) in order to limit Investor share expenses to 1.30% through November 30, 2026, absent an earlier modification by the Fund’s Board. There can be no assurance that the Adviser will extend the expense limitations beyond such time. While in effect, the arrangement may be terminated for a class only by agreement of the Adviser and the Fund’s Board of Trustees.

3. Restated to reflect current fees.

Past performance is no guarantee of future results. The Fund’s returns quoted above represent past performance after all expenses. The returns reflect any applicable expense waivers in effect during the periods shown. Without such waivers, Fund performance would be lower. Investment return, principal value, and yield will fluctuate. Your shares, when redeemed, may be worth more or less than their original cost. See Investor Shares Performance above for more performance information, including returns current to the most recent month-end, which may be lower or higher than the performance data quoted. See the prospectus for further information.

An investment in the Domini Sustainable Solutions Fund is not a bank deposit and is not insured. The Fund is subject to certain risks, including the loss of principal, sustainable investing, portfolio management, information, market, equity securities, mid- to large-cap companies’ and small-cap companies’ risks. Investing internationally involves special risks, such as currency fluctuations, social and economic instability, differing securities regulations and accounting standards, limited public information, possible changes in taxation, and periods of illiquidity. These risks may be heightened in connection with investments in emerging market countries. See the prospectus for more information on risk.

The Adviser’s evaluation of environmental and social factors in its investment selections, as well as its evaluation of a company’s commitment to sustainability solutions, and the timing and amount of the Subadviser’s implementation of the Adviser’s investment selections will affect the Funds’ exposure to certain issuers, industries, sectors, regions, and countries and may impact the relative financial performance of the Fund – positively or negatively – depending on whether such investments are in or out of favor. The Fund may forego some investment opportunities, including investments in certain market sectors that are available to funds that do not consider environmental and social factors and sustainability solutions in their investment selections.

The performance above does not reflect the deduction of fees and taxes that a shareholder would pay on Fund distributions or the redemption of Fund shares. Total return is based on the Fund’s net asset values and assumes all dividends and capital gains were reinvested.

Although the Domini Sustainable Solutions Fund Investor shares are no-load, certain fees and expenses apply to a continued investment and are described in the prospectus.

The Morgan Stanley Capital International World Equal Weighted Net Total Return USD Index (MSCI World EQ WTD NR) is an equal-weighted index representing the performance of large- and mid- capitalization companies in developed markets. The MSCI World EQ WTD NR returns include the reinvestment of dividends net of withholding tax, but do not reflect other fees, expenses or taxes. Investors cannot invest directly in the MSCI World EQ WTD NR.

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Fund Distributions

Dividends
Distributed semi-annually

Capital Gains
Distributed annually