CERTIFICATE OF FORMATION OF SFS, LLC 1. The name of the limited liability company is SFS, LLC. 2. The address of its registered office in the State of Delaware is: Corporation Trust Center, 1209 Orange Street, in the City of Wilmington, Delaware 19801. The name of its registered agent at such address is The Corporation Trust Company. IN WITNESS WHEREOF, the undersigned have executed this Certificate of Formation of SFS, LLC this 17° day of March, 2016. /s/ STEPHEN P. HANSON EFTA01089548