Network Operating Committee Meeting December 18,

Roll Call –Identify all NorthWestern Employees in presentation room. –Identify All NorthWestern Energy Employees on the Phone. –Identify All Network Customers on the phone. Who is participating in the meeting? 2

Opening Remarks Casey Johnston Director of Grid Operations & Services 3

WEQ Glossary Definition –“Network Operating Committee” o Committee responsible for coordinating operating criteria to determine each party’s responsibilities under the network operating agreement. What is a Network Operating Committee? 4

Who is the Network Operating Committee? –The Network Operating Committee shall be composed of representatives from the Transmission Customers taking service under the Tariff and the Transmission Provider or their Designated Agents. Who is the Network Operating Committee? 5

ELECTRIC INFORMATION REGISTRY (EIR) 6

REVIEW POSTINGS ON OASIS 7

EIR Be mindful of your expiration date. Don’t let your entity code expire. Cost of Emergency Run $1, EIR 8

III. OATT BUSINESS PRACTICES DESIGNATIONS/TERMINATIONS ASR/TSR OASIS 9

IV. Rolling Service Over – We remind you to enter a new TSR(s) at least one year prior to the expiration. Rolling Service Over 10

V. If you are planning a scheduled outage send us an so we know. Planning an Outage? 11

VI. Cathy Mathews in our planning department sends these out to customers in January each year please return in accordance with her instructions. * Remember This does not guarantee you Transmission. Forecast requirement 12

VII. If your load is going to increase by greater than 1MW you are required to apply for Transmission Service for the increase in load. * Schedule to your load. * Firm Transmission is listed in your contract and is what you designate. Secondary (6NN) Network Service is NOT Firm. Is Your Load Growing? What is Firm Transmission? 13

VIII to Agreements are in the process of being Filed with FERC. We anticipate the to Contingency Reserves to be rolled out in similar fashion. August CONTINGENCY RESERVES 14

IX. North American Energy Standards Board Wholesale Electric Quadrant Business Practice Standards Version 003 Issued 9/18/2014 Published 9/24/2014 Effective 10/24/2014 NITS 04/24/2016 – Compliance Date VERSION

NAESB Links Nonmember_Evaluation.pdfhttps:// Nonmember_Evaluation.pdf pdfhttps:// pdf 16

NITS IMPLMENTATION REQUIREMENTS –“No NITS request shall be permitted using PTP reservation templates after S&CP VERSION 2 conversation date.” o NO TSR’s for Network Customers permitted after 4/24/2016 NAESB Business Practice Standards Version 3 17

Timeline –1/24/2016 TP’s and customer resolve and data issues. –1/31/2016 Web Smart OASIS in Production. –2/01/2016 Release of NITS to Demo for training –03/01/2016 Release of NITS to Production NITS ON OASIS 18

IMPLEMENTATION OF NITS ON webSmartOASIS 19

Timeline Continued: –03/24/2016 – Data Migration Completed –04/24/2016 – NITS Transition Compliance Date NITS ON OASIS 20

QUESTIONS AND ANSWERS? Q&A 21

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