Summary Prospectus by Investment Company (Form 497K)

MACQUARIE FUNDS

Supplement to the current Summary Prospectus, Statutory Prospectus, and

Statement of Additional Information for each Macquarie Fund (each, a "Fund"),

as may be amended

Notice of Joint Special Shareholder Meeting Results

At the joint special shareholder meeting held on September 10, 2025, shareholders of Macquarie Corporate Bond Fund, Macquarie Emerging Markets Debt Corporate Fund, Macquarie Emerging Markets Fund, Macquarie Growth and Income Fund, Macquarie Small Cap Core Fund, and Macquarie Ultrashort Fund (each a "Passing Fund" and collectively, the "Passing Funds") approved the proposal to approve a new investment advisory agreement for each Passing Fund. The joint special shareholder meeting for the other Macquarie Funds has been adjourned to September 30, 2025.

As noted in the supplements dated June 12, 2025 and April 21, 2025, Macquarie Group Limited, the parent company of Delaware Management Company ("DMC"), a series of Macquarie Investment Management Business Trust ("MIMBT"), together with certain of its affiliates, and Nomura Holding America Inc. ("Nomura"), announced that they had entered into an agreement for Nomura to acquire Macquarie Asset Management's US and European public investments business. The closing of this transaction is anticipated to close on or about November 1, 2025, subject to legal and regulatory approvals, client consents, and customary closing conditions.

Upon the closing of the transaction, the following changes are anticipated to take effect in each Passing Fund's Summary Prospectus, Statutory Prospectus, and SAI:

Table legend:

MIMAK is Macquarie Investment Management Austria Kapitalanlage AG.

MIMEL is Macquarie Investment Management Europe Limited.

MIMGL is Macquarie Investment Management Global Limited.

Employees of DMC's affiliates outside the US participate in the management of certain Funds as "associated persons" of DMC under DMC's oversight, in accordance with SEC guidance as

to "participating affiliate" arrangements. These associated persons may, on behalf of DMC, provide discretionary investment management services, trading, research and related services directly or indirectly to the Funds.

The foregoing is not a solicitation of any proxy. Please read the proxy statement carefully because it contains important information regarding the proposed new advisory agreement and the transaction. The proxy statement is available for free on the website of the US Securities and Exchange Commission (www.sec.gov).

Because everyone's tax situation is unique, you should consult your tax professional about federal, state, local, or foreign tax consequences before making an investment in a Fund or acting on a distribution check (if applicable).

Delaware Management Company is an indirect wholly owned subsidiary of Macquarie Group Limited (MGL). None of the entities noted in this document is an authorized deposit-taking institution for the purposes of the Banking Act 1959 (Commonwealth of Australia) and the obligations of these entities do not represent deposits or other liabilities of Macquarie Bank Limited ABN 46 008 583 542 (Macquarie Bank). Macquarie Bank does not guarantee or otherwise provide assurance in respect of the obligations of these entities. In addition, if this document relates to an investment (a) each investor is subject to investment risk including possible delays in repayment and loss of income and principal invested and (b) none of Macquarie Bank or any other Macquarie Group company guarantees any particular rate of return on or the performance of the investment, nor do they guarantee repayment of capital in respect of the investment.

Please keep this Supplement for future reference.

This Supplement is dated September 10, 2025.