Philip Linse, CenturyLink North American Numbering Council (NANC) Contract Oversight Subcommittee A Subcommittee of the Numbering Administration Oversight Working Group March 28, 2019 Co-Chairs: Betty Sanders, Charter Philip Linse, CenturyLink

Area of Responsibility Mission:  The Numbering Administration Oversight Working Group oversees the activities and reviews the performances of the Numbering Administrators, including the North American Numbering Plan Administrator (NANPA), the Pooling Administrator (PA), and the NANP Billing and Collection Agent, through the assistance of the Contract Oversight subcommittee  FCC Contract Oversight of the following Vendors Billing & Collections (B&C) Agent – Welch LLC Bills and Collects from the Telecommunications industry for payment for the functions of the B&C Agent, NANPA and PA Vendors North American Numbering Administration (NANPA) Vendor – Somos Administers the allocation of the North American Numbering Plan (NANP) numbering resources Pooling Administration (PA) Vendor – Somos Administers the allocation of 1,000 Block Number Pooling This contract also includes the Routing Number Administration (RNA) for P-ANI numbering resources

Contract Oversight Subcommittee Activity Subcommittee Activities: Monthly Review of Deliverables B&C Agent Monthly Review of Deliverables NANPA/PA Successful Transition to New NANPA/PA Vendor Reassigned Numbers Database (RND) Kick-Off Meeting and ongoing Technical Requirements Document (TRD) development PA Change Order #8 form update for correct NPAC contact information (no cost to service providers) NANPA Change Order “A” and PA Change Order “A” form updates associated with combining the TBPAG and COCAG, that will facilitate efficient guidelines administration and streamline eventual transition to a NANPA/PA unified system (Pending subcommittee review and approval)

Contract Status NANPA Vendor: Somos 12 month Bridge Contract effective November 1, 2018 2 Month Transition Completed as of January 1, 2019 PA Vendor: B&C Agent: A 5 year contract effective May 1, 2018

Contract Oversight Subcommittee (COSC) Membership COSC Voting Members: COSC Non-Voting Members: AT&T Bandwidth CenturyLink Charter Cox Maine PUC NASUCA Sprint Verizon Washington PUC T-Mobile Neustar Somos Telcordia dba iconectiv

Future Meetings/Contact Information Apr 25 May 23 Jun 6 Jul 25 Aug 29 Contact the Co-Chairs for complete meeting or conference call details betty.sanders@charter.com or Philip.Linse@centurylink.com