Company: FCNCB
Filing Date: 2025-03-07
Form Type: 424B5
Source: 0001193125-25-049895
Chunk: 90

Company: FIRST CITIZENS BANCSHARES INC /DE/
Filing Date: 2025-03-07
Form: 424B5
Chunk 90
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 Requirements,” U.S. federal withholding tax will not apply to any payment of interest on a note to a non-U.S.holder if the interest qualifies for the “portfolio interest exemption.” This will be the case provided that the non-U.S.holder:

| • |     | does not actually or constructively own 10% or more of the total combined voting power of all classes of our 
 stock entitled to vote;                                                                                      |

| • |     | is not a controlled foreign corporation that is related directly or constructively to us through stock ownership; 
 and                                                                                                               |

| • |     | either (a) provides its name and address, and certifies, under penalties of perjury, that it is not a U.S.                                       
 person as defined under the Code, which certification may be made on an IRS Form W-8BEN, W-8BEN-E or other appropriate form, or                  
 (b) holds its notes through various foreign intermediaries and satisfies the certification requirements of applicable U.S. Treasury regulations. |

Special certification and other rules apply to certain non-U.S.holders that are entities rather than individuals, particularly entities treated as partnerships for U.S. federal income tax purposes and certain other flow through entities, and to non-U.S.holders acting as (or holding notes through) intermediaries. If the portfolio interest exemption does not apply, payments of interest will be subject to U.S. federal withholding tax at a 30% tax rate, unless the non-U.S.holder provides us with a properly executed: (1) IRS Form W-8BEN, W-8BEN-Eor other appropriate form, claiming an exemption from or reduction in withholding under the benefit of an income tax treaty or (2) IRS Form W-8ECI,or successor form, stating that interest paid on the S-57

note is not subject to withholding tax because it is effectively connected with its conduct of a trade or business in the United States.

If a non-U.S. holder is engaged in a trade or business in the United States and interest on a note is
effectively connected with the conduct of that trade or business (and, if required under an applicable income tax treaty, is attributable to a U.S. permanent establishment or fixed base maintained by the
non-U.S. holder), such non-U.S. holder (although exempt from U.S. federal withholding tax at the 30% tax rate) will be subject to U.S. federal income tax on that
interest on