Company: BCS
Filing Date: 2025-02-20
Form Type: 424B2
Source: 0001193125-25-030302
Chunk: 37

Company: BARCLAYS PLC
Filing Date: 2025-02-20
Form: 424B2
Chunk 37
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 variety of statutory resolution powers, could materially adversely affect the value of the Securities. |

| • |     | Under the terms of the Securities, you agree to be bound by the exercise of any U.K. Bail-in Power by the Relevant U.K. Resolution Authority. |

Risks relating to the Mid-MarketSwap Rate

| • |     | The market continues to develop in relation to near risk-free rates (including overnight rates such as SOFR) and                                                                                              
 the administrator of SOFR may make changes that could impact the value of SOFR or discontinue SOFR entirely. Any such developments or changes may adversely affect the value of and return on the Securities. |

| • |     | “Benchmark rates” are the subject of ongoing national and international regulatory review and reform                                                                                                 
 and SOFR may be an affected “benchmark rate.” Any resulting changes to the determination of SOFR or its replacement or elimination, and effects on the Mid-Market Swap Rate, may trigger adjustments 
 beyond the control of the Issuer to the terms of the Securities which may adversely affect their value and return.                                                                                   |

S-25

RISK FACTORS

You should carefully consider the risks described below and all of the information contained and incorporated by reference in this document before you decide whether to acquire the Securities.

Investing in the Securities 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 Securities and the suitability of investing in the Securities in light of the particular characteristics and terms of the Securities and of your particular financial circumstances. As part of making an investment decision, you should make sure you thoroughly understand the Securities’ terms, such as the provisions governing an Automatic Conversion (including, in particular, the circumstances under which a Capital Adequacy Trigger Event may occur), the agreement by you to be bound by the exercise of any U.K. Bail-inPower by the Relevant U.K. Resolution Authority, that interest is due and payable only at the sole discretion of the Issuer, and that there is no scheduled repayment date for the principal of the Securities. You should also carefully consider the risk factors and the other information contained in this prospectus supplement and our 2024 Form 20-Fand the other information included and incorporated by reference in this prospectus supplement or the accompanying prospectus before deciding to invest in the Securities and you should evaluate (either alone or with the help of a financial