Company: INGVF
Filing Date: 2025-03-18
Form Type: 424B5
Source: 0001193125-25-056511
Chunk: 15

Company: ING GROEP NV
Filing Date: 2025-03-18
Form: 424B5
Chunk 15
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 is no limitation on the amount of notes or 
 other debt securities that the Issuer may issue under the Indenture.                                                                                                                                                                                   |

| ISIN        |     | 2029 notes |     | 2031 notes |     | 2036 notes |     | floating rate notes |
| CUSIP       |     | 2029 notes |     | 2031 notes |     | 2036 notes |     | floating rate notes |
| Common Code |     | 2029 notes |     | 2031 notes |     | 2036 notes |     | floating rate notes |

S-15

RISK FACTORS

Investing in the notes offered under this prospectus supplement involves significant risks. You should reach your own investment decision only after consultation with your own financial, legal and tax advisers (as you deem appropriate) about risks associated with an investment in the notes and the suitability of investing in the notes in light of the particular characteristics and terms of the notes and of your particular financial circumstances. As part of making an investment decision, you should make sure you thoroughly understand the notes’ terms and the agreement by you to be bound by the exercise of any Dutch Bail-inPower by the relevant resolution authority. You should also carefully consider the risk factors and the other information contained in this prospectus supplement, the accompanying prospectus, the 2024 Form 20-F,and the other information included and incorporated by reference in this prospectus supplement and the accompanying prospectus before deciding to invest in the notes and you should evaluate (either alone or with the help of a financial adviser) possible scenarios for economic, interest rate and other factors that may affect an investment in the notes and your ability to bear the loss of all or a portion of your investment. The Issuer believes that the factors described below may, individually or cumulatively, affect its ability to fulfil its obligations under the notes. If any of the risks described below materializes, the Issuer’s business, financial condition and results of operations could suffer, the notes could be subject to the Dutch Bail-inPower, and the trading price and liquidity of the notes could decline, in which case you could lose some or all of the value of your investment.

Risk Relating to the Issuer

For a description of the risks associated with the Issuer and the Group, see the section entitled “Key Information — Risk
Factors” of the 2024 Form 20-F, which is incorporated by reference herein.

Risks Relating to the Notes

The