Company: FCNCB
Filing Date: 2025-09-02
Form Type: 424B5
Source: 0001193125-25-193496
Chunk: 35

Company: FIRST CITIZENS BANCSHARES INC /DE/
Filing Date: 2025-09-02
Form: 424B5
Chunk 35
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 maintain the qualification of the Subordinated Indenture under the Trust Indenture Act; |

| • |     | to provide for uncertificated Notes or otherwise alter the Subordinated Indenture to facilitate the issuance,                                                                        
 legending, or transfer of the Notes in a manner that does not materially adversely affect any holder of the Notes and does not result in any violation of applicable securities law; |

| • |     | to supplement any provisions of the Subordinated Indenture necessary to permit or facilitate the defeasance,                                                                                                          
 covenant defeasance or discharge of the Notes, provided that such action does not adversely affect the interests of the holders of the Notes or any other debt securities issued under the Subordinated Indenture; or |

| • |     | to comply with the rules or regulations of any securities exchange or automated quotation system on which any of 
 the Notes may be listed or traded.                                                                               |

S-20

The Trustee shall be entitled to receive an officer’s certificate and opinion of
counsel confirming that all conditions precedent are satisfied with respect to any supplemental indenture, that such supplemental indenture is authorized and permitted, and that such supplemental indenture is the legal, valid, and binding obligation
of BancShares, enforceable against it in accordance with its terms.

Legal Defeasance and Covenant Defeasance

We may choose to either discharge our obligations under the Subordinated Indenture and the Notes in a legal defeasance or to release ourselves
from certain or all of our covenant restrictions under the Subordinated Indenture and the Notes in a covenant defeasance. We may do so after we irrevocably deposit with the Trustee for the benefit of the holders of the Notes sufficient cash and/or
U.S. government securities to pay the principal of and interest and any other sums due on the Maturity Date or a redemption date of the Notes, as applicable. If we choose the legal defeasance option, the holders of the Notes will not be entitled to
the benefits of the Subordinated Indenture except for certain limited rights, including registration of transfer and exchange of Notes, replacement of lost, stolen, or mutilated Notes and the right to receive payments of the principal of and
interest on the Notes when such payments are due.

We may discharge our obligations under the Subordinated Indenture or release ourselves
from covenant restrictions only if we meet certain requirements. Among other things, we must deliver to the Trustee an opinion of our legal