Company: SFNC
Filing Date: 2025-09-10
Form Type: 424B5
Source: 0001193125-25-200113
Chunk: 71

Company: SIMMONS FIRST NATIONAL CORP
Filing Date: 2025-09-10
Form: 424B5
Chunk 71
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 When the equivalent fixed rate debt instrument has been constructed pursuant to the foregoing rules, the amount of QSI and OID, if any, are determined for the equivalent fixed rate debt instrument by applying the general OID rules to the equivalent fixed rate debt instrument, and a U.S. holder of the Notes will account for such OID, if any, and QSI as if the U.S. holder held the equivalent fixed rate debt instrument. For each accrual period, appropriate adjustments will be made to the amount of QSI or OID assumed to have been accrued or paid with respect to the equivalent fixed rate debt instrument in the event that such amounts differ from the actual amount of interest accrued or paid on the Notes during the accrual period. The applicable Treasury Regulations provide special rules for determining the yield and maturity of a debt instrument, such as the Notes, that provide an issuer with the option to redeem the instrument at specified times. The Treasury Regulations generally deem an issuer to exercise a redemption option in a manner that minimizes the yield on the debt instrument for purposes of determining whether a debt instrument is issued with OID. Under the terms of the Notes, if the initial fixed rate substitute on the equivalent fixed rate debt instrument (as determined in the manner described above) is less than the fixed rate substitute of the floating rate (as determined S-46

in the manner described above), the yield on the Notes will be minimized if the Notes are redeemed immediately before the change in the interest rate on October 1, 2030, and, therefore, the Notes will be treated as maturing on such date for OID purposes. This assumption is made solely for purposes of determining whether the Notes are issued with OID for U.S. federal income tax purposes and is not an indication of our intention to redeem or not to redeem the Notes at any time. If, contrary to this presumption, the Notes are not redeemed prior to the change in the interest rate on October 1, 2030, then, solely for OID purposes, the Notes will be deemed to be reissued at their adjusted issue price on the date that they are not redeemed. This deemed reissuance should not result in taxable gain or loss to U.S. holders. It is anticipated that based on current market conditions and the manner in which the interest rates on the Notes are determined, and this discussion assumes, that the Notes will be issued without original issue discount for U.S. federal income tax purposes. In such case, interest on a Note will be includible by a U.S. holder as