President — Thomas P. Tulaney: The filing discloses an amendment to a supplemental retirement plan for a former officer, which is a compensatory arrangement rather than a current management change or departure.

Results of Operations and Financial Condition. On July 30, 2026, Peoples Financial Services Corp. issued a press release announcing unaudited results of operations for the three and six months ended June 30, 2026 and financial condition at June 30, 2026. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

The filing is about an amendment to the equity incentive plan, not a management change.

Results of Operations and Financial Condition. On April 30, 2026, Peoples Financial Services Corp. issued a press release announcing unaudited results of operations for the three months ended March 31, 2026 and financial condition at March 31, 2026. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

President — Gerard A. Champi: Mr. Champi was appointed as President upon the retirement of Thomas P. Tulaney.

Results of Operations and Financial Condition. On January 30, 2026, Peoples Financial Services Corp. issued a press release announcing unaudited results of operations for the three months and year ended December 31, 2025 and financial condition at December 31, 2025. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

President and Director — Thomas P. Tulaney: Thomas P. Tulaney is retiring from his roles as President and Director.

Other Events. On December 23, 2025, Peoples Financial Services Corp. (the “Company”), bank holding company for Peoples Security Bank and Trust Company, completed a repositioning of a portion of its investment securities portfolio. The Company sold lower-yielding, available-for-sale (“AFS”) U.S. treasury bonds with a book value of approximately $78.6 million, a weighted average yield of 1.18% and weighted average life of approximately 1.2 years. The sale of the bonds resulted in a realized aft…

Results of Operations and Financial Condition. On October 30, 2025, Peoples Financial Services Corp. issued a press release announcing unaudited results of operations for the three and nine month periods ended September 30, 2025 and financial condition at September 30, 2025. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

The filing describes the adoption of a severance and change in control plan, which is not directly related to a management change.

Results of Operations and Financial Condition. On July 31, 2025, Peoples Financial Services Corp. issued a press release announcing unaudited results of operations for the three and six month periods ended June 30, 2025 and financial condition at June 30, 2025. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Entry into a Material Definitive Agreement. On June 23, 2025, Peoples Security Bank and Trust Company (the “Bank”), the bank subsidiary of Peoples Financial Services Corp. (the “Company”), entered into a Purchase and Sale Agreement (the “Agreement”) to purchase the real property commonly known as 30 E.D. Preate Drive, Moosic, Pennsylvania (the “Property”) from Moosic Holdings, LLC. The purchase price for the Property is $19.5 million, subject to customary adjustments, prorations and credits a…

Entry into a Material Definitive Agreement. On June 6, 2025, Peoples Financial Services Corp. (the “Company”) entered into Subordinated Note Purchase Agreements (collectively, the “Subordinated Note Purchase Agreements”) with certain qualified institutional buyers and institutional accredited investors (collectively, the “Subordinated Note Purchasers”) pursuant to which the Company issued and sold $85.0 million in aggregate principal amount of its 7.75% Fixed-to-Floating Rate Subordinated Not…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth and incorporated by reference in

Results of Operations and Financial Condition. On May 1, 2025, Peoples Financial Services Corp. issued a press release announcing unaudited results of operations for the three month period ended March 31, 2025 and financial condition at March 31, 2025. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Senior Vice President and Chief Accounting Officer — Stephanie A. Westington: Stephanie A. Westington was promoted to Senior Vice President and Chief Accounting Officer.

Results of Operations and Financial Condition. On February 6, 2025, Peoples Financial Services Corp. issued a press release announcing unaudited results of operations for the three and twelve month periods ended December 31, 2024 and financial condition at December 31, 2024. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Chief Financial Officer, Chief Operating Officer — James M. Bone, Jr., John R. Anderson, III: Internal promotions and role changes for key executives.

Results of Operations and Financial Condition. On November 5, 2024, Peoples Financial Services Corp. issued a press release announcing unaudited results of operations for the three and nine month periods ended September 30, 2024 and financial condition at September 30, 2024. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Chief Executive Officer — Gerard A. Champi: Mr. Champi is being promoted to CEO with a new employment agreement and significant compensation benefits.

Results of Operations and Financial Condition. On July 25, 2024, Peoples Financial Services Corp. issued a press release announcing unaudited results of operations for the three and six month periods ended June 30, 2024 and financial condition at June 30, 2024. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Results of Operations and Financial Condition. On April 25, 2024, Peoples Financial Services Corp. issued a press release announcing unaudited results of operations for the three month period ended March 31, 2024 and financial condition at March 31, 2024. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Other Events On March 22, 2024, Peoples and FNCB issued a joint press release announcing that, at special meetings of their respective shareholders held on March 22, 2024, Peoples and FNCB shareholders approved the merger of FNCB with and into Peoples, with Peoples as the surviving corporation pursuant to the Agreement and Plan of Merger, dated as of September 27, 2023 by and between Peoples and FNCB. The closing of the Merger remains subject to regulatory approvals and certain other customar…

Other Events On September 27, 2023, Peoples Financial Services Corp., a Pennsylvania corporation (“Peoples”), and FNCB Bancorp, Inc., a Pennsylvania corporation (“FNCB”), entered into an Agreement and Plan of Merger (the “merger agreement”). The merger agreement provides that, upon the terms and subject to the conditions set forth therein, FNCB will merge with and into Peoples, with Peoples as the surviving entity (the “merger”). The merger agreement further provides that immediately followin…

Results of Operations and Financial Condition. On January 25, 2024, Peoples Financial Services Corp. issued a press release announcing unaudited results of operations for the three and twelve month periods ended December 31, 2023 and financial condition at December 31, 2023. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.