WYOMING INTERSTATE COMPANY, L.L.C.
NOTICE TO CUSTOMERS
December 2018 Invoices
January 10, 2019
December 2018 invoices are now final and available online in DART. Please note the “Due Date” for these invoices
is Tuesday, January 22, 2019.
Please pass this information along to others in your organization who may find it useful. If you have any questions
or need additional information, please call your Marketing Account Director.
Will W. Brown
Vice President, Business Management - West