Chesapeake Utilities Files for Ellendale Franchise Fee Rider

BEFORE THE PUBLIC SERVICE COMMISSION OF THE STATE OF DELAWARE IN THE MATTER OF THE TARIFF FILING BY ) CHESAPEAKE UTILITIES CORPORATION FOR ) A NEW TOWN OF ELLENDALE FRANCHISE ) PSC DOCKET NO. 25-1637 FEE RIDER ) (FILED DECEMBER 22, 2025) ) P U B L I C N O T I C E TO: ALL NATURAL GAS CUSTOMERS OF CHESAPEAKE UTILITIES CORPORATION AND, IN PARTICULAR, THOSE WITHIN THE TOWN OF ELLENDALE AND OTHER INTERESTED PERSONS On December 22, 2025, Chesapeake Utilities Corporation (“Chesapeake” or the “Company”) filed with the Delaware Public Service Commission (“the Commission”) an application requesting permission to change its gas service tariff to implement a Town of Ellendale Franchise Fee Rider surcharge to be assessed against Chesapeake’s gas customers within the Town of Ellendale. The proposed surcharge, in the amount of $0.00966 per Therm of delivered gas, would mirror the volumetric franchise fee that the Town of Ellendale imposes on Chesapeake under a franchise agreement adopted by the Town of Ellendale on December 3, 2025, for the use of Ellendale’s public roads and rights-of-way. The surcharge would be applied only to Chesapeake’s customers within the Town of Ellendale. On January 28, 2026, the Commission suspended the proposed surcharge until further order of the Commission. The Commission will consider whether to grant Chesapeake’s application for this surcharge at its regularly scheduled meeting on Wednesday, March 11, 2026, commencing at 1:00 P.M. The meeting will be held in the Commission’s office located at 861 Silver Lake

Boulevard, Cannon Building, Suite 100, Dover, Delaware 19904. The Commission will render a decision based upon the evidence presented to it at this meeting. If you wish to formally participate as a party in this matter, with the right to present evidence and be represented by counsel, you must file with the Commission a written petition asking for leave to intervene in accordance with the requirements of the Commission's Rules of Practice and Procedure (26 Del. Admin. C. §1001-2.9) on or before Monday, February 23, 2026. All such petitions should be e-filed according to the Commission’s Rules (26 Del. Admin. C. §1001-1.6.4). Petitions filed after the deadline of February 23, 2026, will not be considered except for good cause shown. If you wish, you may file written comments concerning this application on or before Monday, February 23, 2026. Any written comments should be filed with the Commission at its Dover address set forth above, by Internet e-mail addressed to Clishona.Marshall@delaware.gov or in DelaFile (http://delafile.delaware.gov), under “Submit a Written Comment” Docket No. 25-1637. You are invited to review Chesapeake’s application and supporting documents to determine how your interests may be affected by going to DelaFile (http://delafile.delaware.gov), the Commission’s file management system, and by searching for PSC Docket No. 25-1637. If you would like to review documents at the Commission’s offices, please contact Crystal Beenick at Crystal.Beenick@delaware.gov to arrange a time for your review. You may also review copies of Chesapeake’s application and supporting documents at the office of the Division of the Public Advocate located at 540 S. DuPont Highway, Suite 3B, Dover, DE

1. Please call (302) 241-2555 to arrange for a time to review the documents at this location. If you wish to request copies of documents in this matter, please submit a Freedom of Information Act Request Form. The link to this form can be found on the Commission’s website, http://depsc.delaware.gov, or by visiting this web address https://delafile.delaware.gov/Complaints/FOIA.aspx. The Commission will respond to your request in accordance with the Delaware Freedom of Information Act, 29 Del. C. ch. 100. If you have a disability and wish to participate or to review the materials in this matter, please contact the Commission to discuss any auxiliary aids or services you might need to help you. You may contact the Commission in person, by writing, by telephone (including text telephone), by Internet e-mail, or other means. If you have questions about this matter, you may call the Commission at 1- 800-282-8574 (toll-free in Delaware) or (302) 736-7500 (voice and text telephone). You may also send questions regarding this matter by Internet e-mail addressed to Clishona.Marshall@delaware.gov.