1. Columbia Gas of Ohio, Inc. Supplier Bidding Instructions | January 13 th, 2016

2. 2 EnerNOC Auction Platform 2  The address for the live auction platform is www.wesplatform.com (today’s Mock Auction will be held on www.demo.wesplatform.com) www.wesplatform.com www.demo.wesplatform.com  During the auction we will be using the WebEx chat feature to communicate. Access information will be distributed to each bidder prior to the live auction.  We will not be communicating via phone except in the event of an emergency. To be clear, unlike the practice session, you will not call into the WebEx system on the day of the auction.  EnerNOC Contacts and Cell #’s for use during the event of a system malfunction or an emergency: –Sean Perry: (617) 688-1322 –Dan Petersen: (978) 855-2827

3. 3 Logging into the Auction Platform 3  Once on the EnerNOC Exchange login page,  Enter your username and password in the designated fields and click the ‘Login’ button  If you have forgotten your username and/or password please use the Forgot your password? Link to begin the password reset process

4. 4 EnerNOC Start Page 4 All RFPs Columbia Announcement & RFPs

5. 5 Customer Announcement Page 5 COH Announcement

6. 6 COH Announcement Page 6 Rounds

7. 7 RFP View Page 7 Round Price Place Bid

8. 8 Place Bid Page 8 Enter number of tranches Click “Confirm Bid”

9. 9 Submit Your Bid 9 Click Submit Bid

10. 10 Acceptance of Bid 10 Click “Bid Again” to be brought back to the Place Bid Page

11. 11 Amending Your Offer – Bid History 11 To view, change, or cancel your offer click on the “Bid History” link.

12. 12 Cancelling an Offer 12 You may cancel and resubmit your offer at any time before the round time expires.

13. 13 Cancelling an Offer 13 Confirm Cancellation Resubmit your offer

14. 14 Round Reporting 14 RFP View Page …Scroll down… Each round will have its own RFP. Reports for each round will be posted on the RFP for that round. Round Report

15. 15 COH Announcement Page 15 Rounds

16. 16 Points of Emphasis & End of Auction Rules 16  In the SCO Descending Clock Auction you can bid on the maximum number of tranches COH approved for you (1-4), but your bid in any given round cannot exceed your bid in the previous round.  Only one final bid should be posted in each round of the SCO Descending Clock Auction. If you would like to change your bid before the active round ends, please cancel your current bid and bid again.  For all other bidder engagement rules please refer to the SCO Auction Rules provided by Columbia Gas of Ohio.

17. 17 Points of Emphasis 17  If you are dropping out of the auction, you must enter an offer of zero tranches during that round.  You cannot bid on partial tranches. For these auctions you are entering the number of tranches you are willing to supply at the target price.  You cannot submit an offer for more tranches than you submitted in the previous round EXCEPT in closing round circumstances.  Do not wait until the last moment to submit your offer – there is no competitive advantage for waiting.  Please ensure that your backup contact has your log in information.  The server time rules – not your computer or the WebEx Webinar system.  Any time-out requests must be made before the final minute of each round.  Log in early on auction day to www.wesplatform.com. The first round will open for viewing one hour prior to the auction. Log on to the WebEx Webinar system to enter the chat for COH.www.wesplatform.com

18. 18 WebEx Webinar Chat Function 18 Chat with COH/ EnerNOC Receive updates & messages  Access information for the WebEx Webinar system will be distributed to each bidder prior to the live auction on January 19 th.

19. 19 Columbia Gas of Ohio Mock Auction 19  We are now entering the Mock Auction portion of today’s session. Please logon to the EnerNOC Demonstration Platform ( https://demo.wesplatform.com ) with the practice session username and passwords distributed by EnerNOC. https://demo.wesplatform.com  We will be conducting two 5 minute Mock Auction rounds with 5 minute reporting periods (10 minutes during the Live Auction). We recommend that both primary and secondary points of contacts familiarize themselves with the bidding process. Participation in Round 1 is mandatory. Participation in Round 2 is optional.  Please confirm once you have successfully logged into the EnerNOC Demonstration Platform via the WebEx Webinar Chat module