PUBLIC NOTICE OF CHANGE IN RATES UPON APPLICATION

Tariff Form No. 8-C

(Tariff Rule 14.2 et seq. (Historical Rule 30-C))

PUBLIC NOTICE OF CHANGE IN RATES UPON APPLICATION

NOTICE is hereby given that MOUNTAINEER GAS COMPANY, a public utility, has filed with the PUBLIC SERVICE COMMISSION OF WEST VIRGINIA, an application containing increased rates, tolls and charges for furnishing natural gas service to approximately 218,000 customers at various locations in the Counties of Barbour, Berkeley, Boone, Braxton, Brooke, Cabell, Calhoun, Clay, Doddridge, Fayette, Gilmer, Grant, Greenbrier, Hancock, Hardy, Harrison, Jackson, Jefferson, Kanawha, Lewis, Lincoln, Logan, Marion, Marshall, Mason, McDowell, Mercer, Mineral, Mingo, Monongalia, Monroe, Morgan, Nicholas, Ohio, Pendleton, Preston, Putnam, Raleigh, Randolph, Ritchie, Roane, Summers, Tucker, Tyler, Upshur, Wayne, Wetzel, Wirt, Wood, and Wyoming.

The proposed changes in rates and charges will become effective November 1, 2025, unless otherwise ordered by the Public Service Commission, and will increase revenue approximately $22,483,000 annually, an increase of approximately 16.6%.  The average monthly bill for the various classes of customers of Mountaineer Gas COMPANY who purchase their gas from MOUNTAINEER GAS COMPANY will be changed as follows:

INCREASE                   INCREASE

Residential                      $      12.51                       15.56%

Commercial                     $      62.49                       19.80%

Industrial                          $    440.00                        9.18 %

Resale                              $ 1,479.55                      28.10 %

Proposed PGA rates for each Mountaineer rate schedule, which include Business and Occupation Tax, are as follows:

Rate Schedule        Present      Proposed    Increase $        Increase %

RS                              $ 3.460           $ 3.960           $0.500               14.45%

RS Demand             $ 11.08           $ 20.59           $   9.51               85.83%

GS                              $ 5.308           $ 7.391           $ 2.084              39.24%

LGS                            $ 2.860           $ 3.960           $ 1.101             38.46%

WS                              $ 5.080           $ 7.074           $ 1.995              39.25%

IS                                $ 2.860           $ 3.960           $ 1.101              38.46%

LIS                              $ 2.860           $ 3.960           $ 1.101              38.46%

Resale customers of MOUNTAINEER GAS COMPANY include Canaan Valley Gas Company, Cardinal Natural Gas Company, Consumers Gas Utility Company, Hope Gas, Inc., Megan Oil and Gas Company, and City of Philippi.

The increases shown are based on averages of all customers in the indicated class. Each class may receive an increase greater or less than stated here. Individual customers may receive increases that are greater or less than average.  Furthermore, the requested increased rates and charges are only a proposal and are subject to change (increases or decreases) by the Public Service Commission in its review of this filing.

This filing also contains proposed changes to MOUNTAINEER GAS COMPANY’S rate components for customers that purchase their gas from an alternative supplier/marketer and purchase only transportation services including MDFQ, Storage Balancing Fee, Firm Standby Fee, and Fuel Retention Percentage from MOUNTAINEER GAS COMPANY.  These transportation service rates are applicable to customers that voluntarily elect to subscribe to transportation service.  The proposed changes to the rate components are as follows:

Rate Component                Present      Proposed    Increase $        Increase %

MDFQ                                    $ 12.952        $15.861         $ 2.909             22.46%

Storage Balancing Fee       $  0.483         $ 0.609           $ 0.126              26.09%

Firm Standby Fee                $  1.833         $ 2.648           $ 0.815              44.46%

Fuel Retention                         4.00%           4.00%              N/A                 0.00%

Any change in rates and charges will not become effective until authorized and approved by the Public Service Commission. If a hearing is conducted, notice will be given of the time and place of hearing.

A complete copy of the proposed rates, as well as a representative of the Company to provide any information requested concerning it, is available to all customers, prospective customers, or their agents at the following offices of the Company:

Mountaineer Gas Company Office

• 501 56^th Street SE, Charleston, West Virginia 25304.

A copy of the proposed rates is available for public inspection at the office of the Executive Secretary of the PUBLIC SERVICE COMMISSION at 201 Brooks Street, Charleston, West Virginia.

The Rule 30-C procedure is designed to provide a procedure for changing rates charged to customers by natural gas distribution utilities based exclusively on the cost of purchased gas. Consequently, protest should be limited to the reasonableness of such costs and the method by which they are calculated.  Anyone desiring to protest or intervene should file a written protest or notice of intervention within twenty-five (25) days following the date of this publication unless otherwise modified by Commission order. Failure to timely intervene can affect your rights to protest any rate adjustments and to participate in future proceedings. Requests to intervene must comply with the Commission’s rules on intervention set forth in the Commission’s Rules of Practice and Procedure.  All interventions must be mailed or hand-delivered and be addressed to Executive Secretary, Public Service Commission of West Virginia, P.O. Box 812, Charleston, WV 25323.  Protests may be filed online through the Commission website using the “Submit a Comment” link or may be mailed to the Executive Secretary, Public Service Commission of West Virginia, P.O. Box 812, Charleston, WV 25323.