BEFORE THE PUBLIC SERVICE COMMISSION OF MARYLAND

IN THE MATTER OF THE MERGER OF ALTAGAS LTD. AND WGL HOLDINGS, INC.

CASE NO. 9449

NOTICE OF EXTENSION OF PUBLIC COMMENT PERIOD

On August 4, 2017, the Maryland Public Service Commission (“Commission”) issued a Notice of Evening Hearings for Public Comment in the above-captioned proceeding in which, among other things, set the deadline of October 20, 2017 for the public to submit written comments in connection with the Merger of AltaGas, Ltd. and WGL Holdings, Inc. (“Applicants”)

The Commission hereby extends the deadline for filing of written public comments until Friday, November 3, 2017. All comments shall be addressed to David J. Collins, Executive Secretary, Maryland Public Service Commission, William Donald Schaefer Tower, 6 St. Paul Street, 16th Floor, Baltimore, Maryland 21202, and should reference “Case No. 9449.”