Company: FCNCB
Filing Date: 2025-09-04
Form Type: 424B5
Source: 0001193125-25-195116
Chunk: 23

Company: FIRST CITIZENS BANCSHARES INC /DE/
Filing Date: 2025-09-04
Form: 424B5
Chunk 23
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 Notes contain any covenants or restrictions restricting the incurrence of debt, deposits, or other liabilities by us or by our subsidiaries. The Subordinated Indenture and the Notes contain no
financial covenants and do not restrict us from paying dividends, selling assets, making investments, or issuing or repurchasing other securities, and do not contain any provision that would provide protection to the holders of the Notes against a
sudden and dramatic decline in credit quality resulting from a merger, takeover, recapitalization, or similar restructuring or any other event involving us or our subsidiaries that may adversely affect our credit quality.

We do not intend to apply for the listing of the Notes on any securities exchange or the quotation of the Notes on any quotation system.

Interest

From (and including) the date
of original issuance (the “Issue Date”) to (but excluding) September 5, 2030 (the “Reset Date”) or the date of earlier redemption, the Notes will bear interest at an initial fixed rate of 5.600% per annum. From (and
including) the Reset Date to (but excluding) the Maturity Date or the date of earlier redemption, the Notes will bear interest at a fixed rate per annum that will be the Five-year U.S. Treasury Rate as of the day falling two Business Days prior to
the Reset Date (the “Reset Determination Date”), plus 185 basis

S-13

points per annum. Interest on the Notes will be payable semi-annually in arrears on March 5 and September 5 of each year and on the Maturity Date and any redemption date (each, an “Interest
Payment Date”), commencing on March 5, 2026, and ending on the Maturity Date or date of earlier redemption.

“Business
Day” means any day, other than a Saturday or Sunday, that is neither a legal holiday nor a day on which banking institutions in the City of New York are authorized or required by law, regulation or executive order to close.

The “Five-year U.S. Treasury Rate” means, as of the Reset Determination Date, the average of the yields on actively traded United
States Treasury securities adjusted to constant maturity, for five-year maturities, for the five Business Days immediately preceding the Reset Determination Date appearing under the caption “Treasury Constant Maturities” in the most
recently published statistical release designated H.15 or any successor publication which is published by the Federal Reserve as of