Company: AEGOF
Filing Date: 2025-05-15
Form Type: F-3ASR
Source: 0001193125-25-120338
Chunk: 1

Company: AEGON LTD.
Filing Date: 2025-05-15
Form: F-3ASR
Chunk 1
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 supplement to this prospectus that contains specific information about the offering and the amounts, prices and terms of the securities. The supplement may also add, update or
change information contained in this prospectus with respect to the offering. You should carefully read this prospectus and the applicable prospectus supplement before you invest in any of our securities.

We may offer and sell the securities described in this prospectus and any prospectus supplement to or through one or more underwriters, dealers and agents, or
directly to purchasers, or through a combination of these methods. If any underwriters, dealers or agents are involved in the sale of any of the securities, their names and any applicable purchase price, fee, commission or discount arrangement
between or among them will be set forth, or will be calculable from the information set forth, in the applicable prospectus supplement. See the sections of this prospectus entitled “About this Prospectus” and “Plan of Distribution” for more information. No securities may be sold without delivery of this prospectus and the applicable prospectus supplement describing the method and terms of the offering of such securities.

Investing in these securities involves risks. See “Risk Factors” on page 7 of this prospectus and beginning on page 332 of Aegon Ltd.’s annual report on Form 20-Ffor the year ended December 31, 2024 as well as the risk factors or any similar section included in the applicable prospectus supplement or pricing supplement concerning factors you should consider before investing in our securities.

Our common shares are listed on the
Official Segment of the stock market of Euronext Amsterdam under the symbol “AGN” and our common shares of New York registry (“New York Registered Shares”) are also listed on the New York Stock Exchange under the symbol
“AEG”.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined that this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

The date of this prospectus is May 15, 2025

TABLE OF CONTENTS

|                                                                                    |     | Page |    |
| FORWARD LOOKING STATEMENTS                                                         |     |      |  1 |
| ABOUT THIS PROSPECTUS                                                              |     |      |  4 |
| AEGON LTD.                                                                         |     |      |  5 |
| AEGON FUNDING COMPANY LLC                                                          |     |      |  6 |
| RISK FACTORS                                                                       |     |