FEDERAL ENERGY REGULATORY COMMISSION WASHINGTON, DC 20426

Transcription

1 FEDERAL ENERGY REGULATORY COMMISSION WASHINGTON, DC OFFICE OF ENERGY MARKET REGULATION Northern Natural Gas Company 1111 South 103rd Street Omaha, NE In Reply Refer To: Letter Order Pursuant to Northern Natural Gas Company Docket No. RP December 14, 2018 Attention: Reference: Laura Demman, Vice President General Counsel and Regulatory Affairs Negotiated Rate Agreements Dear Ms. Demman: On November 30, 2018, Northern Natural Gas Company (Northern) filed revised tariff records 1 to reflect new negotiated rate agreements with various shippers and update certain existing negotiated rate agreements. In addition, expired negotiated rate agreements have been removed. Waiver of the Commission s 30-day notice requirement is granted and the referenced tariff records are accepted effective December 1, 2018, as requested. Public notice of the filing was issued on December 3, Interventions and protests were due as provided in section of the Commission s regulations (18 C.F.R (2018)). Pursuant to Rule 214 (18 C.F.R (2018)), all timely filed motions to intervene and any unopposed motion to intervene out-of-time filed before the issuance date of this order are granted. Granting late intervention at this stage of the proceeding will not disrupt the proceeding or place additional burdens on existing parties. No protests or adverse comments were filed. 1 See Appendix.

2 Docket No. RP This acceptance for filing shall not be construed as a waiver of the requirements of section 7 of the Natural Gas Act, as amended; nor shall it be construed as constituting approval of the referenced filing or of any rate, charge, classification, or any rule, regulation, or practice affecting such rate or service contained in your tariff; nor shall such acceptance be deemed as recognition of any claimed contractual right or obligation associated therewith; and such acceptance is without prejudice to any findings or orders which have been or may hereafter be made by the Commission in any proceeding now pending or hereafter instituted by or against your company. This order constitutes final agency action. Requests for rehearing by the Commission may be filed within 30 days of the date of issuance of this order, pursuant to 18 C.F.R (2018). Issued by: Marsha K. Palazzi, Director, Division of Pipeline Regulation

3 Docket No. RP Appendix Northern Natural Gas Company FERC NGA Gas Tariff Gas Tariffs Tariff Records Accepted Effective December 1, 2018 Sheet No. 66B.01, Negotiated Rates, Sheet No. 66B.01a, Negotiated Rates, Sheet No. 66B.01b, Negotiated Rates, Sheet No. 66B.01c, Negotiated Rates, Sheet No. 66B.01d, Negotiated Rates, Sheet No. 66B.17, Negotiated Rates, Sheet No. 66B.18, Negotiated Rates, Sheet No. 66B.20, Negotiated Rates, Sheet No. 66B.21, Negotiated Rates, Sheet No. 66B.22b, Negotiated Rates, Sheet No. 66B.23, Negotiated Rates, Sheet No. 66B.31, Negotiated Rates, Sheet No. 66B.32, Negotiated Rates, Sheet No. 66B.33, Negotiated Rates, 0.0.0

4 Tariff record(s) to be inserted into your copy of Northern Natural Gas Company s FERC Gas Tariff,

5 FERC Gas Tariff Tenth Revised Sheet No. 66B.01 Ninth Revised Sheet No. 66B.01 STATEMENT OF NEGOTIATED RATES 1/ Rate Negotiated Other Receipt Delivery Shipper Name Schedule Rate Charges Volume Point(s) Point(s) City of Sioux Center TFX 188/ 400 All Market Area All Market Area Contract Receipt Delivery Occidental Energy TFX 189/ 30,000 MID Continent Hess Seminole C02 Marketing Inc. Pool Plant Contract Permian Pooling Point All Field Area Receipt (including pools) Great River Energy TFX 192/ 30,000 All Market Area Ventura Def. Del. Contract Receipt GRE Cambridge during the months Power Plant of November through March GRE Elk River Plant MID 17 Pooling Ogden Def. Del. Pleasant Valley Def. Delivery Pleasant Valley Power Plant Ventura Pooling Macquarie Energy LLC TFX 195/ 50,000 NBPL/NNG Ventura NNG Demarcation Contract Ventura Pooling Golden Spread Electric TFX 198/ 210,000 CIG Garden City Antelope Station- Cooperative, Inc. Interconnect Hale Co Contract KMIGT Pony Express Tescott Mid Continent Pool NNG Demarcation Oasis/NNG Waha ONEOK Westex Seagraves Permian Pooling Point Regency Jal #3 Plant Al-Corn Clean Fuel TF 199/ 5,258 All Market Area Al-Corn TBS #1 Contract Receipt Ogden Def. Del. SEMCO Energy, Inc D/B/A TF 200/ 44,250 All Market Area All Market Area SEMCO Energy Gas Company Receipt Delivery Contract Hartree Partners, LP TFX 201/ 202,370 Term 12/01/2018 through 12/31/2018 Contract Field Area: All Field Area Brownfield Pooling MID 1 MID 7 NNG Demarcation Receipt

6 FERC Gas Tariff Forty First Revised Sheet No. 66B.01a Fortieth Revised Sheet No. 66B.01a STATEMENT OF NEGOTIATED RATES 1/ Rate Negotiated Other Receipt Delivery Shipper Name Schedule Rate Charges Volume Point(s) _ Point(s) Hartree Partners, LP TFX 201/ 100,000 Term 01/01/2019 through 03/31/2020 Contract El Paso/NNG NNG Demarcation Plains 30 (REC) Oasis/NNG Waha All Field Area MID 1 MID 7 receipt points Macquarie Energy LLC TFX 202/ 69,010 Term 12/01/2018 through 12/31/2018 Contract DCP Eunice Plant NNG Demarcation Targa Eunice Plant Brownfield Pooling Targa Monument Plant Lea CO (R) All Field Area MID 1 - MID 7 receipt points Brownfield Pooling Macquarie Energy LLC TFX 202/ 34,100 Term 01/01/2019 through 10/31/2019 Contract DCP Eunice Plant NNG Demarcation Targa Eunice Plant Targa Monument Plant Lea CO (R) All Field Area MID 1 - MID 7 receipt points Conexus Energy, LLC TFX 203/ 80,949 Term 12/01/2018 through 12/31/2018 Contract DCP Linam Ranch NNG Demarcation Plant Outlet Oasis/NNG Waha Brownfield Pooling All Field Area MID 1 - MID 7 receipt points Brownfield Pooling Conexus Energy, LLC TFX 203/ 40,000 Term 01/01/2019 through 10/31/2019 Contract DCP Linam Ranch NNG Demarcation Plant Outlet Oasis/NNG Waha All Field Area MID 1 - MID 7 receipt points Conexus Energy, LLC TFX 203/ 5,000 Term 11/01/2019 through 03/31/2020 Contract DCP Linam Ranch NNG Demarcation Plant Outlet Oasis/NNG Waha All Field Area MID 1 - MID 7 receipt points

7 FERC Gas Tariff Thirty Seventh Revised Sheet No. 66B.01b Thirty Sixth Revised Sheet No. 66B.01b STATEMENT OF NEGOTIATED RATES 1/ Rate Negotiated Other Receipt Delivery Shipper Name Schedule Rate Charges Volume Point(s) _ Point(s) Minnesota Energy TFX 204/ 45,000 All Market Area Rochester MN #1D Resources Corporation Receipt Rochester MN #2 Contract Rochester MN #1B Tenaska Marketing Ventures TFX 207/ 40,000 Oasis/NNG Waha NNG Demarcation Contract All Field Area MID 1-7 receipt including the MID 1-7 Pooling Point Hartree Partners, LP TFX 208/ 52,010 Term 12/01/2018 through 12/31/2018 Contract Oasis/NNG Waha NNG Demarcation All Field Area MID 1 MID 7 Brownfield Pooling Receipt Brownfield Pooling Hartree Partners, LP TFX 208/ 25,700 Term 01/01/2019 through 03/31/2020 Contract Oasis/NNG Waha NNG Demarcation All Field Area MID 1 MID 7 Receipt Targa Gas Marketing LLC TFX 209/ 70,000 Term 11/01/2018 through 03/31/2020 Contract Oasis/NNG Waha NNG Demarcation All Field Area MID 1-7 receipt Targa Gas Marketing LLC TFX 209/ 50,000 Term 04/01/2020 through 03/31/2022 Contract Oasis/NNG Waha NNG Demarcation All Field Area MID 1-7 receipt Superior Pipeline Texas, TFX 213/ 20,000 Beaver Pooling Beaver Pooling L.L.C. Contract Superior NNG Demarcation Hemphill CO Plant

8 FERC Gas Tariff Twenty Seventh Revised Sheet No. 66B.01c Twenty Sixth Revised Sheet No. 66B.01c ETC Marketing Ltd. TFX 215/ 30,000 All Field Area NNG Demarcation Contract MID 8 16A Receipt Beaver Pooling Beaver Pooling Enbridge Pampa TW/NNG Gray ITE MID 8-12 Pooling Point MID 13-16A Pooling Point ETC Marketing Ltd. TFX 216/ 15,000 All Field Area NNG Demarcation Contract MID 8 16A Receipt Mullinville Pooling Mullinville Pooling ETC Spearman Residue ETC Marketing Ltd. TFX 217/ 15,000 All Field Area NNG Demarcation Contract MID 8 16A Receipt Mullinville Pooling Mullinville Pooling ETC C Line ETC Marketing Ltd. TFX 218/ 17,200 All Field Area El Paso/NNG Plains Contract MID 1 7 Receipt 26 Del Brownfield Pooling Brownfield Pooling Oasis/NNG Waha Hartree Partners, LP TFX 219/ 33,246 All Field Area El Paso/NNG Plains Contract MID 1 7 Receipt 26 Del DCP Lynam Ranch Plant Outlet Vaquero Caymus Plant Pecos CO Mieco Inc. TFX 220/ 78,107 NNG Demarcation Ventura Pooling Contract Hartree Partners, LP TFX 221/ 40,000 All Field Area NNG Demarcation Contract MID 8 16A Receipt Mullinville Pooling Mullinville Pooling El Paso/NNG Dumas Hartree Partners, LP TFX 222/ 62,000 All Field Area NNG Demarcation Contract MID 8 16A Receipt Mullinville Pooling Mullinville Pooling El Paso/NNG Dumas CIMA Energy, LP TFX 223/ 20,000 All Field Area NNG Demarcation Contract MID 8 16A Receipt Mullinville Pooling Mullinville Pooling ETC Spearman Residue Conexus Energy, LLC TFX 224/ 80,478 All Field Area NNG Demarcation Contract MID 8 16A Receipt Mullinville Pooling Mullinville Pooling El Paso/NNG Dumas Conexus Energy, LLC TFX 225/ 74,442 All Field Area NNG Demarcation Contract MID 8 16A Receipt Beaver Pooling Beaver Pooling TW/NNG GRAY Ite Enbridge Pampa Koch Energy Services, LLC TFX 227/ 20,000 All Field Area NNG Demarcation Contract MID 8 16A Receipt Mullinville Pooling Mullinville Pooling El Paso/NNG Dumas

9 FERC Gas Tariff Fifth Revised Sheet No. 66B.01d Fourth Revised Sheet No. 66B.01d STATEMENT OF NEGOTIATED RATES 1/ Rate Negotiated Other Receipt Delivery Shipper Name Schedule Rate Charges Volume Point(s) Point(s) Hartree Partners, LP TFX 228/ 43,572 All Field Area NNG Demarcation Contract MID 8 16A Receipt Mullinville Pooling Mullinville Pooling El Paso/NNG Dumas TW/NNG Gray ITE ETC Marketing, Ltd. TFX 229/ 10,000 All Field Area NNG Demarcation Contract MID 8 16A Receipt Mullinville Pooling Mullinville Pooling ETC Spearman Residue Occidental Energy Marketing, TFX 230/ 8,095 Term 12/01/2018 through 12/31/2018 Inc. Occidental NNG Demarcation Contract Permian Gaines Brownfield Pooling All Field Area MID 1 MID 7 Receipt Brownfield Pooling Occidental Energy Marketing, TFX 230/ 4,000 Term 01/01/2019 through 10/31/2021 Inc. Occidental NNG Demarcation Contract Permian Gaines Brownfield Pooling All Field Area MID 1 MID 7 Receipt Brownfield Pooling

10 FERC Gas Tariff Twenty Second Revised Sheet No. 66B.17 Twenty First Revised Sheet No. 66B / Effective 11/01/2018 through 10/30/2019, Shipper shall pay a monthly reservation charge equal to the maximum tariff rate as set forth in Northern's FERC Gas Tariff, as amended from time to time, plus an amount equal to $ for the Lake Linden MI #1 and Marquette MI #1A town border stations (TBS) Upgrade Projects Facility Cost Add-on Demand Charge. In addition, Shipper shall pay the maximum commodity rate as specified in Northern's FERC Gas Tariff, as revised from time to time, for all quantities delivered plus all current and future applicable surcharges as set forth in Northern's FERC Gas Tariff. The maximum daily quantities of the Agreement are 44,250 Dth/day for November through March and 31,350Dth/day for April through October. 201/ For the period 12/01/2018 through 12/31/2018: The Total Monthly Charge for the Field Area Contract MDQ shall be the MDQ multiplied by $3.0915/Dth (rate) and shall include all applicable surcharges. that is unable to be delivered up to the Field Area MDQ. In the event of an outage on Northern that impacts the Shipper's ability to flow the primary receipt and delivery points in this Agreement, Northern and Shipper will work together on a commercially reasonable basis to realign to an alternate receipt point. If no such point is available, then Shipper will not pay more for the Field Area services hereunder than if reservation charge credits under Section 22 of the General Terms and Conditions of Northern's FERC Gas Tariff would have applied.

11 FERC Gas Tariff Fifteenth Revised Sheet No. 66B.18 Fourteenth Revised Sheet No. 66B / Continued The rate set forth above is applicable to the receipt and delivery points (POI) listed below. Except for any alternate quantities received (i) from points located in MIDs 8-16A and delivered to NNG Field/MKT Demarcation-16B (POI 37654) or Demarc Def.-Delivery (POI 62389) that will be charged an incremental charge of the difference between the Midpoint price of "Gas Daily" Northern, demarc and Midpoint price of "Gas Daily" Panhandle, Tx-Okla. but in no event less than $0.20/Dth; (ii) from points located in MIDs 1-7 and delivered to points located in MIDs 1-7 that will be charged an incremental charge of the difference between the Midpoint price of "Gas Daily" Waha and Midpoint price of "Gas Daily" El Paso, Permian but in no event less than $0.40/Dth; or (iii) from points located in MIDs 8-16B and delivered to points located in MIDs 1-7 that will be charged an incremental charge of the difference between the Midpoint price of "Gas Daily" Waha and Midpoint price of "Gas Daily" Panhandle, Tx-Okla. but in no event less than $0.40/Dth, Shipper agrees that if any other receipt or delivery points are used on an alternate basis, Shipper will pay an incremental $0.20/Dth for the entire contract MDQ during the month that any other points are used. In addition to the foregoing, for quantities delivered to NNG Field/Mkt Demarcation (POI 37654) (Demarc) or Demarc Def.-Delivery (POI 62389) above the Demarc MDQ, Shipper shall pay an additional $0.20/Dth/day charge. Further, if any primary points are realigned, Shipper shall pay an incremental $0.30/Dth for the entire contract MDQ for the remaining term of the Agreement. Notwithstanding the above, in the event of an outage on Northern's pipeline system that impacts Shipper's ability to schedule any primary receipt and delivery points, Shipper may, without incurring the additional charges above, use (1) any Field Area receipt for delivery to Demarc or Demarc Def.-Delivery as long as total quantities delivered to Demarc or Demarc Def.-Delivery do not exceed the Demarc MDQ, and (2) any receipt point listed below for delivery to any non-primary Field Area delivery point, not to exceed the Demarc MDQ less any quantities delivered to Demarc or Demarc Def.-Delivery. For the period 01/01/2019 through 03/31/2020, the Field Area MDQ Total Monthly Charge for the Contract MDQ shall be the MDQ multiplied by $0.22/Dth (rate) multiplied by 30.4 and shall include all applicable surcharges. that is unable to be delivered up to the Field Area MDQ. In the event of an outage on Northern that impacts the Shipper's ability to flow the primary receipt and delivery points in this Agreement, Northern and Shipper will work together on a commercially reasonable basis to realign to an alternate receipt point. If no such point is available, then Shipper will not pay more for the Field Area services hereunder than if reservation charge credits under Section 22 of the General Terms and Conditions of Northern's FERC Gas Tariff would have applied.

12 FERC Gas Tariff Ninth Revised Sheet No. 66B.20 Eighth Revised Sheet No. 66B / For the period 12/01/2018 through 12/31/2018: The Total Monthly Charge for the Contract MDQ shall be the MDQ multiplied by $3.2263/DTH (rate) and shall include all applicable surcharges. that is unable to be delivered up to the MDQ, Shipper will not pay more for services hereunder than if reservation charge credits under Section 22 of the General Terms and Conditions of Northern's FERC Gas Tariff would have applied. Shipper agrees that if any other receipt or delivery points are used on an alternate basis, Shipper will pay an incremental $0.40/Dth for all such delivered quantities. In addition to the foregoing, for quantities delivered to NNG Field/Mkt Demarcation-16B (POI 37654) (Demarc) or Demarc Def.-Delivery (POI 62389) above the Demarc MDQ, Shipper shall pay an additional $0.20/Dth/day charge. Notwithstanding the above, in the event of an outage on Northern's pipeline system that impacts Shipper's ability to schedule any primary receipt and delivery points, Shipper may, without incurring any incremental charges, use (1) any Field Area receipt for delivery to Demarc or Demarc Def.-Delivery as long as total quantities delivered to Demarc or Demarc Def.-Delivery do not exceed the Demarc MDQ, and (2) any receipt point listed below for delivery to any non-primary Field Area delivery point, not to exceed the Demarc MDQ less any quantities delivered to Demarc or Demarc Def.- Delivery. In addition, in the event of a physical supply constraint at a primary receipt point, caused by operational issues on either Northern's system or the upstream pipeline, Shipper may use any Field Area receipt point in MIDs 8 through 16A for up to five consecutive days, but in no event more than ten calendar days per calendar year without incurring the incremental charges above. If any event exceeds the aforementioned time limitations, the incremental charges above shall apply, as applicable, for the days in excess of the time limitations, and Northern will work with Shipper to reasonably accommodate alternate point usage, or realign primary points, if necessary. If any primary points are realigned, Shipper shall pay an additional incremental $0.20/Dth for the entire contract MDQ for the remaining term of the Agreement. For the period 01/01/2019 through 10/31/2019: The Total Monthly Charge for the Contract MDQ shall be the MDQ multiplied by $0.2325/DTH (rate) multiplied by 30.4 and shall include all applicable surcharges. that is unable to be delivered up to the MDQ. Shipper agrees that if any other receipt or delivery points are used on an alternate basis, Shipper will pay an incremental $0.20/Dth for all such delivered quantities. If any primary points are realigned, Shipper shall pay an incremental $0.20/Dth for the entire contract MDQ for the remaining term of the Agreement. Notwithstanding the above, in the event of an outage on Northern's pipeline system that impacts Shipper's ability to schedule any primary receipt and delivery points, Shipper may, without incurring any incremental charges, use either (1) any Field Area receipt for delivery to NNG Field/Mkt Demarcation (POI 37654) or (2) any receipt point listed for delivery to any Field Area delivery point. In addition, in the event of a physical supply constraint at a primary receipt point, caused by operational issues on either Northern's system or the upstream pipeline, Shipper may use any Field Area receipt point in MIDs 8 through 16A for up to five consecutive days, but in no event more than ten calendar days per calendar year without incurring the incremental charges above. If any event exceeds the aforementioned time limitations, the incremental charges above shall apply, as applicable, for the days in excess of the time limitations, and Northern will work with Shipper to reasonably accommodate alternate point usage, or realign primary points, if necessary.

13 FERC Gas Tariff Sixteenth Revised Sheet No. 66B.21 Fifteenth Revised Sheet No. 66B / For the period 12/01/2018 through 12/31/2018: The Total Monthly Charge for the Contract MDQ shall be the MDQ multiplied by $3.2785/Dth (rate) and shall include all applicable surcharges. that is unable to be delivered up to the MDQ. In the event of an outage on Northern that impacts the Shipper's ability to flow the primary receipt and delivery points in this Agreement, Northern and Shipper will work together on a commercially reasonable basis to realign to an alternate receipt point. If no such point is available, then Shipper will not pay more for services hereunder than if reservation charge credits under Section 22 of the General Terms and Conditions of Northern's FERC Gas Tariff would have applied. Any delivered quantities received from receipt points located in MIDs 8-16A will be charged an additional $0.20/Dth and any delivered quantities to delivery points located in MIDs 1-16A will be charged an additional $0.40/Dth. In addition to the foregoing, for quantities delivered to NNG Field/Mkt Demarcation (POI 37654) (Demarc) or Demarc Def.-Delivery (POI 62389) above the Demarc MDQ, Shipper shall pay an additional $0.20/Dth/day charge. Further, in the event of an outage on Northern's pipeline system that impacts Shipper's ability to schedule any primary receipt and delivery points, Shipper may, without incurring the additional charges above, use (1) any Field Area receipt point located in MIDs 8 through 16A for delivery to Demarc or Demarc Def.-Delivery as long as total quantities delivered to Demarc or Demarc Def.-Delivery do not exceed the Demarc MDQ, and (2) any receipt point listed for delivery to any non-primary Field Area delivery point, not to exceed the Demarc MDQ less any quantities delivered to Demarc or Demarc Def.-Delivery. entire contract MDQ for the remaining term of the Agreement. For the period 01/01/2019 through 03/31/2020: entire contract MDQ for the remaining term of the Agreement. For the period 01/01/2019 through 10/31/2019, the Total Monthly Charge for the Contract MDQ shall be the MDQ multiplied by $0.2356/DTH (rate) multiplied by 30.4 and shall include all applicable surcharges. For the period 11/01/2019 through 03/31/2020, the Total Monthly Charge for the Contract MDQ shall be the MDQ multiplied by $0.2450/DTH (rate) multiplied by 30.4 and shall include all applicable surcharges. that is unable to be delivered up to the MDQ. In the event of an outage on Northern that impacts the Shipper's ability to flow the primary receipt and delivery points in this Agreement, Northern and Shipper will work together on a commercially reasonable basis to realign to an alternate receipt point. If no such point is available, then Shipper will not pay more for services hereunder than if reservation charge credits under Section 22 of the General Terms and Conditions of Northern's FERC Gas Tariff would have applied. Any delivered quantities received from receipt points located in MIDs 8-16A will be charged an additional $0.20/Dth and any delivered quantities to delivery points located in MIDs 1-16A will be charged an additional $0.20/Dth. Notwithstanding the above, in the event of an outage on Northern's pipeline system that impacts Shipper's ability to schedule any primary receipt and delivery points, Shipper may, without incurring the additional charges above, use either (1) any Field Area receipt point located in MIDs 8 through 16A for delivery to NNG Field/Mkt Demarcation (POI 37654) or Demarc Def.-Delivery (POI 62389) or (2) any receipt point listed for delivery to any Field Area delivery point. entire contract MDQ for the remaining term of the Agreement.

14 FERC Gas Tariff Fifth Revised Sheet No. 66B.22b Fourth Revised Sheet No. 66B.22b 208/ For the period 12/01/2018 through 12/31/2018: The Total Monthly Charge for the Contract MDQ shall be the MDQ multiplied by $3.3421/DTH (rate) and shall include all applicable surcharges. that is unable to be delivered up to the MDQ. In the event of an outage on Northern that impacts the Shipper's ability to flow the primary receipt and delivery points in this Agreement, Northern and Shipper will work together on a commercially reasonable basis to realign to an alternate receipt point. If no such point is available, then Shipper will not pay more for services hereunder than if reservation charge credits under Section 22 of the General Terms and Conditions of Northern's FERC Gas Tariff would have applied. entire contract MDQ for the remaining term of the Agreement. Any delivered quantities received from receipt points located in MIDs 8-16A will be charged an additional $0.20/Dth and any delivered quantities to delivery points located in MIDs 1-16A will be charged an additional $0.40/Dth. In addition to the foregoing, for quantities delivered to NNG Field/Mkt Demarcation (POI 37654) (Demarc) or Demarc Defer.-Delivery (POI 62389) above the Demarc MDQ, Shipper shall pay an additional $0.20/Dth/day charge. Further, in the event of an outage on Northern's pipeline system that impacts Shipper's ability to schedule any primary receipt and delivery points, Shipper may, without incurring the additional charges above, use either (1) any Field Area receipt point located in MIDs 8 through 16A for delivery to NNG Field/Mkt Demarcation (POI 37654) or Demarc Def.-Delivery (POI 62389) or (2) any receipt point listed below for delivery to any Field Area delivery point. For the period 01/01/2019 through 03/31/2020: The Total Monthly Charge for the Contract MDQ shall be the MDQ multiplied by $0.241/DTH (rate) multiplied by 30.4 and shall include all applicable surcharges. that is unable to be delivered up to the MDQ. In the event of an outage on Northern that impacts the Shipper's ability to flow the primary receipt and delivery points in this Agreement, Northern and Shipper will work together on a commercially reasonable basis to realign to an alternate receipt point. If no such point is available, then Shipper will not pay more for services hereunder than if reservation charge credits under Section 22 of the General Terms and Conditions of Northern's FERC Gas Tariff would have applied. Any delivered quantities received from receipt points located in MIDs 8-16A will be charged an additional $0.20/Dth and any delivered quantities to delivery points located in MIDs 1-16A will be charged an additional $0.20/Dth. Notwithstanding the above, in the event of an outage on Northern's pipeline system that impacts Shipper's ability to schedule any primary receipt and delivery points, Shipper may, without incurring the additional charges above, use either (1) any Field Area receipt point located in MIDs 8 through 16A for delivery to NNG Field/Mkt Demarcation (POI 37654) or Demarc Def.-Delivery (POI 62389) or (2) any receipt point listed for delivery to any Field Area delivery point. entire contract MDQ for the remaining term of the Agreement.

15 FERC Gas Tariff Thirty Sixth Revised Sheet No. 66B.23 Thirty Fifth Revised Sheet No. 66B / For the period 12/01/2018 through 03/31/2020, the Total Monthly Charge for the Contract MDQ shall be the MDQ multiplied by $0.2921/DTH (rate) multiplied by 30.4 and shall include all applicable surcharges. For the period 04/01/2020 through 03/31/2022, the Total Monthly Charge for the Contract MDQ shall be the MDQ multiplied by $0.2950/DTH (rate) multiplied by 30.4 and shall include all applicable surcharges. that is unable to be delivered up to the MDQ. In the event of an outage on Northern that impacts the Shipper's ability to flow the primary receipt and delivery points in this Agreement, Northern and Shipper will work together on a commercially reasonable basis to realign to an alternate receipt point. If no such point is available, then Shipper will not pay more for services hereunder than if reservation charge credits under Section 22 of the General Terms and Conditions of Northern's FERC Gas Tariff would have applied. Any delivered quantities received from receipt points located in MIDs 8-16A will be charged an additional $0.20/Dth and any delivered quantities to delivery points located in MIDs 1-16A will be charged an additional $0.20/Dth. Notwithstanding the above, in the event of an outage on Northern's pipeline system that impacts Shipper's ability to schedule any primary receipt and delivery points, Shipper may, without incurring the additional charges above, use either (1) any Field Area receipt point located in MIDs 8 through 16A for delivery to NNG Field/Mkt Demarcation (POI 37654) or Demarc Def.-Delivery (POI 62389) or (2) any receipt point listed for delivery to any Field Area delivery point. entire contract MDQ for the remaining term of the Agreement.

16 FERC Gas Tariff Second Revised Sheet No. 66B.31 First Revised Sheet No. 66B / For the period 11/03/2018 through 12/31/2018, the daily charge for the Contract MDQ shall be the MDQ multiplied by the "Rate." The "Rate" is the arithmetic value obtained from the formula [(X minus (Y divided by A)) times B times C], where (X) = the Midpoint price from "Gas Daily" Northern, demarc; (Y) = the Midpoint price from "Gas Daily" NGPL, Midcontinent plus 0.03; (A) = 1.0 less the applicable Section 2 Field Area fuel percentage for deliveries to NNG Field MKT Demarcation - 16B (POI 37654) (Demarc); (B) = 1.0 and (C) = However, in no event will the daily charge be less than zero. The monthly charge will be the sum of all daily charges. that is unable to be delivered up to the contract MDQ. For delivered quantities on any day from receipt points located in MIDs 1 through 7, Shipper shall pay the higher of an additional (i) $0.40/Dth/day charge or (ii) a daily charge per dekatherm equal to the Midpoint price of "Gas Daily" Panhandle, Tx.-Okla. less the lower of the Midpoint price of either "Gas Daily" El Paso, Permian or "Gas Daily" Waha. In addition to the foregoing, for quantities delivered to non-primary delivery points, Shipper shall pay an additional $0.20/Dth/day charge for deliveries to points located in MIDs 1 through 16A. Shipper shall also pay the higher of an additional (1) $0.40/Dth/day charge or (2) the Rate calculated above where the value of "C" is equal to 1.0 for any quantities delivered to Demarc or Demarc Deferred Delivery above the Demarc MDQ. Notwithstanding the aforementioned, in the event of an outage on Northern's pipeline system that impacts the Shipper's ability to schedule any primary receipt and delivery points, Shipper may use any receipt point listed for delivery to any Field Area delivery point located in MIDs 1 through 16A during the outage at the Rate calculated above, for any quantity that does not exceed the Demarc MDQ less any quantities delivered to Demarc or Demarc Def.-Delivery. entire contract MDQ for the remaining term of the Agreement; provided however, Shipper and Northern may mutually agree to a realignment between TW/NNG Gray ITE (POI 60667) and Enbridge Pampa (POI 78643). The rate for such agreed upon realignment will be the Rate set forth above. 227/ For the period 12/01/2018 through 03/31/2019, the Shipper shall pay a monthly base reservation rate equal to $5.7387/Dth for Field Area MDQ and a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff. that is unable to be delivered up to the contract MDQ. For delivered quantities on any day from receipt points located in MIDs 1 through 7, Shipper shall pay the higher of an additional (i) $0.40/Dth/day charge or (ii) a daily charge per dekatherm equal to the Midpoint price of "Gas Daily" Panhandle, Tx.-Okla. less the lower of the Midpoint price of either "Gas Daily" El Paso, Permian or "Gas Daily" Waha. In addition to the foregoing, for quantities delivered to non-primary delivery points, Shipper shall pay an additional $0.20/Dth/day charge for deliveries to points located in MIDs 1 through 16A. Shipper shall also pay the higher of an additional (1) $0.40/Dth/day charge or (2) a daily charge per dekatherm equal to the Midpoint price of "Gas Daily" Northern, demarc less the Midpoint price of "Gas Daily" Panhandle, Tx.-Okla. for any quantities delivered to Demarc or Demarc Deferred Delivery above the Demarc MDQ. Notwithstanding the aforementioned, in the event of an outage on Northern's pipeline system that impacts the Shipper's ability to schedule any primary receipt and delivery points, Shipper may use any receipt point listed for delivery to any Field Area delivery point located in MIDs 1 through 16A during the outage at the rate set forth above, for any quantity that does not exceed the Demarc MDQ less any quantities delivered to Demarc or Demarc Def.-Delivery. entire contract MDQ for the remaining term of the Agreement.

17 FERC Gas Tariff Original Sheet No. 66B / For the period 12/01/2018 through 03/31/2019, the daily charge for the Contract MDQ shall be the MDQ multiplied by the "Rate." The "Rate" is the arithmetic value obtained from the formula [((X minus (Y divided by A)) times B) times C], where (X) = the Midpoint price from "Gas Daily" Northern, demarc; (Y) = the Midpoint price from "Gas Daily" Panhandle, Tx.- Okla.; (A) = 1.0 less the applicable Section 2 Field Area fuel percentage for deliveries to NNG Field MKT Demarcation - 16B (POI 37654) (Demarc); (B) = and (C) = However, in no event will the daily charge be less than zero. The monthly charge will be the sum of all daily charges. that is unable to be delivered up to the contract MDQ. For delivered quantities on any day from receipt points located in MIDs 1 through 7, Shipper shall pay the higher of an additional (i) $0.40/Dth/day charge or (ii) a daily charge per dekatherm equal to the Midpoint price of "Gas Daily" Panhandle, Tx.-Okla. less the lower of the Midpoint price of either "Gas Daily" El Paso, Permian or "Gas Daily" Waha. In addition to the foregoing, for quantities delivered to non-primary delivery points, Shipper shall pay an additional $0.20/Dth/day charge for deliveries to points located in MIDs 1 through 16A. Shipper shall also pay the higher of an additional (1) $0.40/Dth/day charge or (2) a daily charge per dekatherm equal to the Rate calculated above, but making the value of "C" equal to 1.0 for any quantities delivered to Demarc or Demarc Deferred Delivery above the Demarc MDQ. Notwithstanding the aforementioned, in the event of an outage on Northern's pipeline system that impacts the Shipper's ability to schedule any primary receipt and delivery points, Shipper may use any receipt point listed for delivery to any Field Area delivery point located in MIDs 1 through 16A during the outage at the Rate calculated above, for any quantity that does not exceed the Demarc MDQ less any quantities delivered to Demarc or Demarc Def.-Delivery. If any primary points are realigned, Shipper shall pay an incremental $0.30/Dth for the entire contract MDQ for the remaining term of the Agreement. 229/ For the period 12/01/2018 through 12/31/2018, the Total Monthly Charge for the Contract MDQ shall be the MDQ multiplied by $0.18/Dth multiplied by the applicable number of days in the month. that is unable to be delivered up to the contract MDQ. For delivered quantities on any day from receipt points located in MIDs 1 through 7, Shipper shall pay the higher of an additional (i) $0.40/Dth/day charge or (ii) a daily charge per dekatherm equal to the Midpoint price of "Gas Daily" Panhandle, Tx.-Okla. less the lower of the Midpoint price of either "Gas Daily" El Paso, Permian or "Gas Daily" Waha. In addition to the foregoing, for quantities delivered to non-primary delivery points, Shipper shall pay an additional $0.20/Dth/day charge for deliveries to points located in MIDs 1 through 16A. Shipper shall also pay the higher of an additional (1) $0.40/Dth/day charge or (2) a daily charge per dekatherm equal to the Midpoint price of "Gas Daily" Northern, demarc less the Midpoint price of "Gas Daily" Panhandle, Tx.-Okla. for any quantities delivered to Demarc or Demarc Deferred Delivery above the Demarc MDQ. Notwithstanding the aforementioned, in the event of an outage on Northern's pipeline system that impacts the Shipper's ability to schedule any primary receipt and delivery points, Shipper may use any receipt point listed for delivery to any Field Area delivery point located in MIDs 1 through 16A during the outage at the rate set forth above, for any quantity that does not exceed the Demarc MDQ less any quantities delivered to Demarc or Demarc Def.-Delivery. entire contract MDQ for the remaining term of the Agreement; provided however, Shipper and Northern may mutually agree to a realignment between ETC Sunray Plant (POI 58676), ETC Spearman Residue (POI 78924) and ETC C-Line (POI 1309). The rate for such agreed upon realignment will be the Rate set forth above.

18 FERC Gas Tariff Original Sheet No. 66B / For the month of December 2018, the Total Monthly Charge for the Contract MDQ shall be the MDQ multiplied by $5.3613/Dth and shall include all applicable surcharges. For the period 01/01/2019 through 10/31/2021, the Total Monthly Charge for the Contract MDQ shall be the MDQ multiplied by $0.35/Dth (rate) multiplied by the applicable number of days in the month and shall include all applicable surcharges. that is unable to be delivered up to the MDQ. Shipper will not pay more for services hereunder than if reservation charge credits under Section 22 of the General Terms and Conditions of Northern's FERC Gas Tariff would have applied. Except for any alternate quantities received (i) from points located in MIDs 8-16A and delivered to NNG Field/MKT Demarcation-16B (POI 37654) (Demarc) or Demarc Def.-Delivery (POI 62389) that will be charged an incremental charge of the difference between the Midpoint price of "Gas Daily" Northern, demarc and Midpoint price of "Gas Daily" Panhandle, Tx-Okla. but in no event less than $0.20/Dth; (ii) from points located in MIDs 1-7 and delivered to points located in MIDs 1-7 that will be charged an incremental charge of the difference between the Midpoint price of "Gas Daily" Waha and Midpoint price of "Gas Daily" El Paso, Permian but in no event less than $0.40/Dth; or (iii) from points located in MIDs 8-16B and delivered to points located in MIDs 1-7 that will be charged an incremental charge of the difference between the Midpoint price of "Gas Daily" Waha and Midpoint price of "Gas Daily" Panhandle, Tx-Okla. but in no event less than $0.40/Dth, Shipper agrees that if any other receipt or delivery points are used on an alternate basis, Shipper will pay an incremental $0.20/Dth for the entire contract MDQ during the month that any other points are used. For the month of December 2018, in addition to above, for quantities delivered to Demarc or Demarc Def.-Delivery above the Demarc MDQ, Shipper shall pay an additional $0.20/Dth/day charge. Notwithstanding the above, in the event of an outage on Northern's pipeline system that impacts Shipper's ability to schedule any primary receipt and delivery points, Shipper may, without incurring the additional charges above, use (1) any Field Area receipt for delivery to Demarc or Demarc Def.-Delivery as long as total quantities delivered to Demarc or Demarc Def.-Delivery do not exceed the Demarc MDQ, and (2) any receipt point listed for delivery to any non-primary Field Area delivery point, not to exceed the Demarc MDQ less any quantities delivered to Demarc or Demarc Def.-Delivery. For the period 01/01/2019 through 10/31/2021, in addition to above, in the event of an outage on Northern's pipeline system that impacts Shipper's ability to schedule any primary receipt and delivery points, Shipper may, without incurring the additional charges above, use either (1) any Field Area receipt point in MIDs 8 through 16A for delivery to Demarc or Demarc Def.-Delivery or (2) any receipt point listed for delivery to any Field Area delivery point. entire contract MDQ for the remaining term of the Agreement.