Company: FCNCB
Filing Date: 2025-03-06
Form Type: 424B5
Source: 0001193125-25-047965
Chunk: 39

Company: FIRST CITIZENS BANCSHARES INC /DE/
Filing Date: 2025-03-06
Form: 424B5
Chunk 39
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 (b) the quotient of the actual number of calendar days in the applicable floating rate interest period divided by 360.                                                                                               |

| • |     | If any scheduled senior notes floating rate interest payment date (other than the senior notes maturity date or                                                                                                                                           
 any redemption date) falls on a day that is not a Business Day, then such senior notes floating rate interest payment date will be postponed to the next succeeding Business Day unless such day falls in the next succeeding calendar month, in which    
 case such senior notes floating rate interest payment date will be accelerated to the immediately preceding Business Day, and, in each such case, the amounts payable on such Business Day will include interest accrued to (but excluding) such Business 
 Day.                                                                                                                                                                                                                                                      |

If the senior notes maturity date or date of redemption of the senior notes is not a Business Day, we will pay interest and principal on the next succeeding Business Day, but interest on that payment will not accrue during the period from and after the senior notes maturity date or date of redemption. If a date of redemption of the senior notes falls within the senior notes floating rate period but does not occur on a scheduled senior notes floating rate interest payment date, (i) the related Interest Determination Date shall be deemed to be the date that is two U.S. Government Securities Business Days prior to such date of redemption, (ii) the related Observation Period shall be deemed to end on (and exclude) the second U.S. Government Securities Business Day falling prior to such date of redemption, (iii) the floating rate interest period will be deemed to be shortened accordingly, and (iv) corresponding adjustments will be deemed to be made to the Compounded SOFR Index Rate formula (or applicable benchmark). S-24

The regular record dates for the senior notes will be the fifteenth calendar day preceding each senior notes fixed rate interest payment date or senior notes floating rate interest payment date, as applicable, whether or not a Business Day. Calculation of the Benchmark The “Benchmark” means, initially, the Compounded SOFR Index Rate; provided that if a Benchmark Transition Event and related Benchmark Replacement Date have occurred with respect to SOFR or the then-current Benchmark, then “Benchmark” means the Benchmark Replacement. “Compounded SOFR Index Rate” means, in relation to a floating rate interest period, the rate computed by the calculation agent in accordance with the following formula: Where: “d” is the number of calendar days from (and including) SOFR IndexStart to (but excluding) SOFR