Contract analysis

1. Application for Initial Tariff Rate and Interconnection Authorization filed pursuant to Sections 4 and 7 of the Natural Gas Act, 15 U.S.C. §§ 717c and 717f, and the Commission's regulations at 18 C.F.R. Parts 154, 157, and 284;

2. Ridgeline's FERC Gas Tariff, Original Volume No. 1 — Proposed Tariff Sheets;

3. Statement of Nature of Filing and Tariff Summary, prepared and submitted in accordance with the requirements of 18 C.F.R. § 154.7;

4. Exhibit Nos. A through P — Supporting Data to Application, including, without limitation, cost-of-service schedules, rate base calculations, rate design workpapers, system map data, operating statistics, depreciation schedules, and capital structure support;

5. Verification and Certificate of Accuracy, duly executed by James K. Winfield, Chief Executive Officer and President of Ridgeline Midstream Services LLC; and

6. Transmittal Letter addressed to the Secretary of the Federal Energy Regulatory Commission;

7. Notice of Appearance and Designation of Lead Counsel. METHOD OF SERVICE Service of the foregoing documents was accomplished by the following means: (a) Electronic Filing. The Application and all supporting documents were filed electronically with the Federal Energy Regulatory Commission through the Commission's eFiling system (https://ferconline.ferc.gov/eFiling.aspx), in accordance with the Commission's regulatio

1. Office of the Secretary Federal Energy Regulatory Commission 888 First Street NE Washington, DC 20426 Method of Service: Electronic filing via the Commission's eFiling system; hand delivery of the original and requisite copies to the Office of the Secretary on May 12, 2022.

2. Office of Energy Market Regulation Federal Energy Regulatory Commission 888 First Street NE Washington, DC 20426 Method of Service: Electronic filing via the Commission's eFiling system.

3. Office of the General Counsel — FERC Trial Staff Jonathan Briggs, Lead Trial Attorney Federal Energy Regulatory Commission 888 First Street NE Washington, DC 20426 Method of Service: First-class United States mail, postage prepaid, and electronic mail. B. Applicant. 4. Ridgeline Midstream Services LLC James K. Winfield, Chief Executive Officer and President 700 Kanawha Boulevard East, Suite 1400 Charleston, WV 253

5. Dunmore Energy Holdings Ltd. (Parent Company of Applicant) Patricia Dunmore, Founder and Chairperson 4th Floor, Harbour Place 103 South Church Street George Town, Grand Cayman KY1-1002 Cayman Islands Cayman Registry No.: CR-381204 Method of Service: Electronic mail. C. Applicant's Counsel (Filer)

6. Calderwood & Harkness LLP George Trujillo, Responsible Partner, Energy & Infrastructure Brett Callahan, Lead Associate David Stanton, Working Associate 1601 K Street NW, Suite 900 Washington, DC 20006 C&H Matter No.: 1016-00005 Method of Service: Retained copy. D. Interconnecting Pipeline / Potential Counterparty

7. Appalachian Trunk Pipeline Company, LLC Marcus R. Alderman, President and Chief Executive Officer Sandra K. Fenton, Vice President, Regulatory Affairs 2200 Penn Center West, Suite 300 Pittsburgh, PA 15276 FERC Code: 840117 Employer Identification Number (EIN): 25-1987643 Method of Service: First-class United States mail, postage prepaid, and electronic mail.

8. Appalachian Trunk Pipeline Company, LLC — Registered Agent Keystone Corporate Services LLC 600 North Second Street Harrisburg, PA 17101 Method of Service: First-class United States mail, postage prepaid.

9. Kellner, Royce & Dillard LLP (Counsel for Appalachian Trunk Pipeline Company, LLC) William Pratt, Senior Partner One PPG Place, Suite 2800 Pittsburgh, PA 15222 Method of Service: First-class United States mail, postage prepaid, and electronic mail. E. Parent Company of Appalachian Trunk Pipeline Company, LLC

10. Tidewater Infrastructure Partners LP Harrison J. Alderman, Chairman 2200 Penn Center West, Suite 300 Pittsburgh, PA 15276 Employer Identification Number (EIN): 51-0438712 Method of Service: First-class United States mail, postage prepaid, and electronic mail. F. Potential Intervenors — Shipper Groups and End-Users As of the date of this filing, May 12, 2022, no motions to intervene had been filed in the above-cap

11. Mountainside Gas Producers Coalition Calvin Dreyer, Executive Director 1100 Main Street, Suite 210 Morgantown, WV 26505 Method of Service: First-class United States mail, postage prepaid, and electronic mail.

12. Whitmore & Sable LLP (Counsel for Mountainside Gas Producers Coalition) Rebekah Montague, Partner 1200 New Hampshire Avenue NW, Suite 600 Washington, DC 20036 Method of Service: First-class United States mail, postage prepaid, and electronic mail.

13. Clearwater Municipal Gas Authority Dennis Ott, General Manager 455 Market Street Clearwater, PA 15330 Method of Service: First-class United States mail, postage prepaid, and electronic mail.

14. Fordham Municipal Law Group PC (Counsel for Clearwater Municipal Gas Authority) Stephen Greer, Principal 312 Adams Avenue, Suite 100 Scranton, PA 18503 Method of Service: First-class United States mail, postage prepaid, and electronic mail. G. State Regulatory Commissions In accordance with the Commission's regulations, service was made upon each of the state public utility commissions in jurisdictions traversed

15. Public Service Commission of West Virginia 201 Brooks Street Charleston, WV 25301 Method of Service: First-class United States mail, postage prepaid.

16. Pennsylvania Public Utility Commission 400 North Street Harrisburg, PA 17120 Method of Service: First-class United States mail, postage prepaid.

17. Public Utilities Commission of Ohio 180 East Broad Street Columbus, OH 43215 Method of Service: First-class United States mail, postage prepaid.

18. New York State Public Service Commission Three Empire State Plaza Albany, NY 12223 Method of Service: First-class United States mail, postage prepaid. H. Applicant's Registered Agent

19. Capitol Filings Inc. (Registered Agent for Ridgeline Midstream Services LLC in the State of Delaware) 1209 Orange Street Wilmington, DE 19801 Method of Service: First-class United States mail, postage prepaid. DESCRIPTION OF FILING The documents served pursuant to this Certificate of Service consist of the Application of Ridgeline Midstream Services LLC for approval of an initial tariff rate for interstate natura