Company: PFIS
Filing Date: 2025-07-18
Form Type: S-4
Source: 0001104659-25-069074
Chunk: 2

Company: PEOPLES FINANCIAL SERVICES CORP.
Filing Date: 2025-07-18
Form: S-4
Chunk 2
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 $85,000,000 IN AGGREGATE PRINCIPAL AMOUNT OF 
 7.75% FIXED-TO-FLOATING RATE SUBORDINATED NOTES DUE 2035 
 THAT HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, 
 (CUSIP #711040 AC9 / ISIN

# US711040AC91)**</div>

### FOR ANY AND ALL OUTSTANDING UNREGISTERED
<div align='center'>**7.75% FIXED-TO-FLOATING RATE SUBORDINATED NOTES DUE 2035 
 (CUSIP #711040 AA3/ ISIN

# S711040AA36; CUSIP #711040 AB1/**</div>

#### ISIN# US711040AB19)
**The exchange offer will expire at 5:00 p.m., Eastern time on**

#### [ ]

#### , unless extended.
We are offering to exchange 7.75% Fixed-to-Floating Rate Subordinated Notes due 2035 that have been registered under the Securities Act of 1933, as amended, which we refer to in this prospectus as the “New Notes,” for any and all of our outstanding unregistered 7.75% Fixed-to-Floating Rate Subordinated Notes due 2035 that we issued in a private placement on June 6, 2025, which we refer to in this prospectus as the “Old Notes.” We are making this offer to exchange the New Notes for the Old Notes to satisfy our obligations under a registration rights agreement that we entered into with the purchasers of the Old Notes in connection with our issuance of the Old Notes to those purchasers.

We will not receive any cash proceeds from the exchange offer. The issuance of the New Notes in exchange for the Old Notes will not result in any increase in our outstanding indebtedness. Old Notes that are not exchanged for New Notes in the exchange offer will remain outstanding. The exchange offer is not subject to any minimum tender condition, but is subject to certain customary conditions.

Subject to the terms of the exchange offer, following the expiration or termination of the exchange offer, we will exchange Old Notes that have been validly tendered and not validly withdrawn prior to such expiration or termination for an equal principal amount of New Notes. The terms of the New Notes are identical in all material respects to the terms of the Old Notes, except that: (1) the New Notes will be registered with the Securities and Exchange Commission under the Securities