NOVA Gas Transmission Ltd. Appendix 5 NGTL System Rate Design and Services Application Illustrative 2017 Rates and Flow Chart

Appendix 5

Illustrative 2017 Rates and Flow Chart

March 2019 Tab A NOVA Gas Transmission Ltd. 2017 Illustrative Flow Chart – Current NGTL System Rate Design and Services Application Rate Design

Tab A

2017 Illustrative Flow Chart – Current Rate Design

March 2019 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab A

Current Rate Design - 2017 Annualized Illustrative Flow Chart

2017 REVENUE REQUIREMENT $Million $2,020.3 MINUS NON TRANSPORTATION REVENUE $Million OS $6.2 PTS $0.0 CO2 $5.8 ATCO Pipelines Franchise Fees $2.7 Total $14.8

EQUALS

TRANSPORTATION REVENUE REQUIREMENT $Million $2,005.5 MINUS 6 3 FULL PATH TRANSPORTATION REVENUE (Bcf/d) (10 m /d) $Million LRS REVENUE LRS-1 0.60 17.07 $49.7 LRS-3 0.02 0.65 $1.1 Total 0.63 17.72 $50.8

6 3 (Bcf/d) (10 m /d) FT-P 0.28 7.92 $35.4 Total $86.2 EQUALS

NET TRANSPORTATION REVENUE REQUIREMENT $Million $1,919.3 MINUS 6 3 3 3 METERING REVENUE (TJ/d) (Bcf/d) (10 m /d) ($/Mcf/d) ($/10 m /d) ($/GJ/d) $Million Receipt 9.62 272.61 0.025 0.892 $88.7 Delivery 9,838 9.19 260.26 0.009 0.315 0.008 $30.0 Total $118.7 EQUALS

NET TRANSMISSION REVENUE REQUIREMENT $Million $1,800.6

ALLOCATION OF TRANSMISSION ALLOCATION OF TRANSMISSION AND METERING COSTS TO RECEIPT AND METERING COSTS TO DELIVERY

RECEIPT REVENUE REQUIREMENT DELIVERY REVENUE REQUIREMENT $Million $Million Transmission 50% $900.3 Transmission 50% $900.3 Metering (Receipt) $88.7 Metering (Delivery) $30.0 Total $989.0 Total $930.3

MINUS MINUS 6 3 (Bcf/d) (10 m /d) $Million (Bcf/d) (TJ/d) $Million FT-DW 0.00 0 $0.0 FT-RN 0.00 0.05 $0.1 STFT 0.08 81 $5.8 IT-R 0.47 13.33 $39.3 IT-D 0.36 384 $29.8 Total $39.4 Total $35.7

EQUALS EQUALS $Million $Million FT-R Revenue Requirement $949.6 FT-D Revenue Requirement $894.6 ALLOCATED TO EACH ALLOCATED TO FT-D RECEIPT POINT SERVICES 3 Year Rate Metering Transmission 3 Year Rate 6 3 (Bcf/d) (10 m /d) ($/Mcf/d) $Million (TJ/d) ($/GJ/d) ($/GJ/d) ($/GJ/d) $Million FT-R (Avg) 11.67 330.54 0.223 $949.6 FT-D1 4,935 0.008 0.171 0.180 $323.6 FT-D2 5,677 0.008 0.164 0.172 $356.1 Floor Price 0.143 (-8 cents) FT-D3 2,857 0.000 0.196 0.206 $215.0 Ceiling Price 0.303 (+8 cents) Total $894.6 EFFECTIVE RATES EFFECTIVE RATES

FT-R Average Price ($/103m3/mo) FT-R FT-D Average Price ($/GJ/mo) FT-D1 FT-D2 FT-D3 1 Year Receipt 251.38 1 Year Delivery 5.75 5.50 6.60 3 Year Receipt 239.41 3 Year Delivery 5.46 5.23 6.27 5 Year Receipt 227.44 5 Year Delivery 5.18 4.95 5.94

March 2019 Page 1 of 1 Tab B NOVA Gas Transmission Ltd. 2017 Illustrative Flow Chart and Rates – NGTL System Rate Design and Services Application Proposed Rate Design

Tab B

2017 Illustrative Flow Chart and Rates –

Proposed Rate Design

March 2019 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Proposed Rate Design - 2017 Annualized Illustrative Flow Chart

March 2019 Page 1 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

2017 Annualized Illustrative Transportation Rates

Current Rate Design Proposed Rate Design Receipt Service $/103m3/mo ¢//Mcf/d $/103m3/mo ¢//Mcf/d FT-R Average Demand Rate (3 year term): 239.41 22.3 239.16 22.3 FT-R Ceiling Rate 325.31 30.3 410.96 38.3 FT-R Floor Rate 153.51 14.3 104.95 9.8 Delivery Service $/GJ/mo ¢/GJ/d $/GJ/mo ¢/GJ/d FT-D Group 1 Demand Rate (3 year term): Empress/McNeill 5.69 18.7 4.21 13.8 -B.C. Border 5.23 17.2 5.24 17.2 Gordondale/Boundary Lake Borders 5.23 17.2 4.21 13.8 Clairmont/Shell Creek/Edson 5.23 17.2 4.21 13.8 FT-D Group 2 Demand Rate (3 year term): All Group 2 Delivery locations 5.23 17.2 5.71 18.8 FT-D Group 3 Demand Rate (3 year term): All Group 3 Delivery locations 6.27 20.6 6.85 22.5 • Rates above do not include applicable Abandonment Surcharge. • These rates do not include a provision for the federal Goods and Services Tax. • All rates are quoted in Canadian dollars.

March 2019 Page 2 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

2017 Annualized Illustrative Receipt Station Specific Prices:

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 1337 0.303 0.352 1631 ACADIA EAST 0.146 0.130 1613 ACADIA NORTH 0.147 0.131 1424 0.211 0.188 30200 ACHESON B APN 0.303 0.218 1351 AECO A 0.143 0.098 1426 AECO H 0.143 0.098 1473 AECO I 0.143 0.098 3880 AECO INTERCONNECTION 0.143 0.098 3868 ALBERTA MONTANA BORDER 0.143 0.100 2000 ALBERTA-B.C. BORDER 0.143 0.098 2109 0.143 0.118 2200 ALDER FLATS SOUTH 0.143 0.116 5150 ALDER FLATS SOUTH NO. 2 0.143 0.116 1075 ALDERSON 0.143 0.135 1208 ALDERSON NORTH 0.143 0.210 1103 ALDERSON SOUTH 0.143 0.135 30399 ALEXIS APN 0.303 0.148 5026 ALGAR LAKE 0.303 0.255 1469 ANDREW 0.208 0.295 5154 ANSELL SOUTH 0.152 0.150 2136 ANTE CREEK S. 0.303 0.362 30201 ANTHONY HENDAY APS 0.303 0.383 1567 0.303 0.260 1770 ARMSTRONG LAKE 0.303 0.383 30202 ARROWWOOD NORTH APS 0.303 0.383 30203 ARROWWOOD SOUTH APS 0.263 0.360 2734 ASSUMPTION #2 0.303 0.383 30204 ASTOTIN CREEK APN 0.303 0.102 1326 ATHABASCA 0.303 0.326 1009 ATLEE-BUFFALO 0.143 0.098 1116 ATLEE-BUFFALO EAST 0.143 0.098 1098 ATLEE-BUFFALO S 0.143 0.098 1297 ATMORE 0.273 0.237 1792 ATUSIS CREEK EAST 0.143 0.098 30205 AUBURNDALE APN 0.303 0.383 1275 BADGER EAST 0.143 0.136 1649 BADGER NORTH 0.143 0.180 1782 BAILEYS BOTTOM 0.261 0.223 2744 BALLATER #2 0.303 0.322

March 2019 Page 3 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 1100 BANTRY 0.143 0.098 1296 BANTRY NE 0.143 0.188 1122 BANTRY NORTH 0.143 0.151 1181 BANTRY NORTH WEST 0.143 0.153 1339 BAPTISTE SOUTH 0.303 0.347 1329 BASHAW 0.146 0.323 1393 BASHAW B 0.146 0.323 1330 BASSANO SOUTH 0.143 0.122 2761 BASSET LAKE 0.303 0.383 2085 BASSET LAKE SOUTH 0.303 0.383 2066 BASSET LAKE W. 0.303 0.383 30207 BATTLE RIVER APN 0.303 0.383 30208 BAUER LAKE RECEIPT APN 0.303 0.383 1197 BAXTER LAKE 0.303 0.383 1334 BAXTER LAKE B 0.303 0.383 1382 BAXTER LAKE NW 0.303 0.383 1198 BAXTER LAKE W 0.303 0.383 2143 BAY TREE 0.303 0.383 2222 BEAR CANYON WEST 0.303 0.383 30209 BEAR HILLS APN 0.303 0.247 2132 BEAR RIVER 0.303 0.357 5169 BEAR RIVER NO. 2 0.302 0.265 2186 BEAR RIVER WEST 0.303 0.300 30210 BECKER COULEE APS 0.303 0.383 1089 BELLIS 0.222 0.331 1675 BELLIS SOUTH 0.215 0.271 2105 BELLOY WEST 0.263 0.361 1720 BELTZ LAKE 0.163 0.343 1264 WEST 0.159 0.177 30211 BENAMAN APS 0.143 0.318 2177 BENBOW SOUTH 0.216 0.214 1261 BENTLEY 0.143 0.154 1274 BENTON WEST 0.143 0.114 1604 BERRY CREEK S 0.143 0.383 30212 BERRYMOOR A APN 0.207 0.151 30213 BERRYMOOR B APN 0.207 0.150 1157 BIG BEND 0.303 0.383 3933 BIG EDDY INTERCONNECTION 0.155 0.148 30391 BIG LAKE APN 0.303 0.098 2175 BIG PRAIRIE 0.303 0.383 1870 BIG VALLEY 0.254 0.383 1835 BIGKNIFE CREEK 0.143 0.319 30215 BIGORAY A APN 0.303 0.274

March 2019 Page 4 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 30216 BIGORAY B APN 0.303 0.259 2176 BIGORAY RIVER 0.195 0.190 30217 BIGSTONE CREEK APN 0.176 0.098 5128 BILBO 0.238 0.211 1002 N #1 0.143 0.098 1001 BINDLOSS SOUTH 0.143 0.098 1474 BINDLOSS WEST 0.186 0.164 30218 BLACKFOOT CREEK APN 0.303 0.383 1616 BLOOD IND CK E. 0.143 0.383 30219 BLOOD WELLING APS 0.261 0.098 1779 BLOOR LAKE 0.236 0.383 2704 BLUE RAPIDS 0.143 0.134 30220 BLUE RAPIDS GROUP APN 0.165 0.191 2119 BLUEBERRY HILL 0.303 0.383 1242 BODO WEST 0.210 0.383 2773 BOGGY HALL 0.143 0.122 1590 BOHN LAKE 0.303 0.130 5012 BOIVIN CREEK 0.303 0.127 1778 BOLLOQUE #2 0.303 0.383 1290 BOLLOQUE SOUTH 0.303 0.383 30221 BOLTON CREEK APGC 0.265 0.243 5103 BONANZA 0.293 0.271 1401 BONAR WEST 0.143 0.356 1660 0.303 0.140 2709 BOOTIS HILL 0.303 0.383 2182 BOTHA EAST 0.303 0.383 2217 BOTHA WEST 0.303 0.383 30222 BOULDER APN 0.303 0.309 2220 BOULDER CREEK 0.303 0.383 3001 BOUNDARY LAKE S 0.303 0.383 3002 BOUNDARY LK BDR 0.303 0.383 30223 BOW ISLAND APS 0.303 0.291 1318 BOWELL SOUTH 0.143 0.183 1849 BOWELL SOUTH #2 0.143 0.183 1216 BOWMANTON 0.154 0.127 1842 BOWMANTON EAST 0.143 0.116 1204 BOWMANTON SOUTH 0.143 0.107 1237 BOWMANTON WEST 0.241 0.204 2138 BOYER EAST 0.303 0.383 1703 BOYLE WEST 0.238 0.261 30224 BRAEBURN CREEK APGP 0.303 0.383 2799 BRAINARD LAKE 0.284 0.267 1947 BRAZEAU - BRAZEAU EAST SUMMARY 0.149 0.141

March 2019 Page 5 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 1096 BRAZEAU SOUTH 0.143 0.136 30225 BREMNER APN 0.303 0.125 1619 BRIGGS 0.143 0.146 30226 BROOKS APSI 0.143 0.201 30227 BROOKS GS 2946 APSI 0.143 0.178 30228 BROOKS GS 2958 APSI 0.143 0.226 2721 NORTH 0.255 0.383 1168 BRUCE 0.143 0.251 1215 BRUCE NORTH 0.227 0.308 30229 BUCKWHEAT APN 0.303 0.136 30230 BUFFALO CREEK A APN 0.303 0.383 1409 BULLPOUND 0.143 0.383 1350 BULLPOUND SOUTH 0.229 0.383 1555 BULLSHEAD 0.208 0.175 2118 BURNT RIVER 0.263 0.236 2032 BURNT TIMBER 0.143 0.105 2181 BUTTE 0.143 0.098 1561 0.161 0.383 5112 CABIN 0.303 0.383 1725 CADOGAN 0.303 0.383 2221 CADOTTE RIVER 0.303 0.383 30231 CAIRN HILL APS 0.303 0.272 2738 CALAIS 0.273 0.383 1373 CALLING LAKE 0.303 0.380 1522 CALLING LAKE E 0.303 0.383 6019 CALLING LAKE SE (SIMMONS) 0.294 0.220 1443 CALLING LAKE W 0.240 0.359 1676 CALLING LK N. 0.277 0.382 1387 CALLING LK S 0.285 0.383 2743 CALLUM CREEK 0.143 0.098 1651 CAMROSE CREEK 0.303 0.168 1805 CANOE LAKE 0.303 0.098 3866 CARBON INTERCONNECTION 0.143 0.098 30232 CARBON SOUTH APS 0.143 0.113 1622 CARBON WEST 0.143 0.122 1692 CARIBOU LAKE 0.303 0.098 30233 APS 0.143 0.301 1840 CARSELAND RECEIPT 0.143 0.098 2018 CARSON CREEK 0.266 0.257 2188 CARSON CREEK E. 0.303 0.312 1492 EAST 0.303 0.383 1315 CASSILS 0.143 0.211 1397 CASTOR 0.190 0.383

March 2019 Page 6 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 2786 CATTAIL LK SOUTH 0.221 0.218 1737 CAVALIER 0.148 0.149 1228 CAVENDISH SOUTH 0.143 0.098 2768 CECILIA 0.168 0.158 1863 CESSFD-BURF W#2 0.143 0.383 1025 CESSFORD EAST 0.143 0.383 1152 CESSFORD NE 0.143 0.383 1145 CESSFORD NORTH 0.143 0.383 1312 CESSFORD SOUTH 0.143 0.383 1086 CESSFORD W GAGE 0.143 0.383 1004 CESSFORD WARDLO 0.143 0.383 1012 CESSFORD WEST 0.143 0.383 1060 CESSFORD-BUR #2 0.143 0.383 1027 CESSFORD-BURFIELD WEST 0.143 0.383 3907 CHANCELLOR INTERCONNECTION 0.143 0.098 1876 CHAPEL ROCK 0.143 0.098 1485 CHARD 0.303 0.106 1196 CHAUVIN 0.303 0.383 1666 CHEECHAM 0.303 0.098 1708 CHELSEA CREEK 0.303 0.098 30234 CHERHILL B APN 0.303 0.148 1680 CHERRY GROVE E. 0.303 0.150 2705 CHESTER CREEK 0.303 0.383 2789 CHICKADEE CK #2 0.229 0.225 2286 CHICKADEE CK W. 0.303 0.381 1034 CHIGWELL 0.200 0.364 1040 CHIGWELL EAST 0.188 0.354 30235 CHIN COULEE APS 0.158 0.143 2108 CHINCHAGA 0.303 0.383 2266 CHINCHAGA WEST 0.303 0.383 1221 CHINOOK-CEREAL 0.166 0.147 5409 CHIP LAKE 0.157 0.156 1609 CHISHOLM MILL W 0.303 0.383 1322 CHOICE 0.303 0.383 1323 CHOICE B 0.303 0.383 1712 CHRISTINA LAKE 0.303 0.098 30236 CIMARRON ARDLEY APN 0.303 0.383 1535 0.303 0.383 30237 CLARESHOLM EAST APS 0.173 0.156 30238 CLARESHOLM NORTH APS 0.233 0.209 2070 CLARK LAKE 0.198 0.198 2063 CLEAR HILLS 0.277 0.383 2250 CLEAR HILLS N. 0.271 0.383

March 2019 Page 7 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 2764 CLEAR PRAIRIE 0.303 0.383 3008 0.303 0.383 1454 CLYDE 0.303 0.177 6007 CLYDEN 0.303 0.339 5402 COALDALE S. B 0.143 0.098 1612 COATES LAKE 0.247 0.211 2735 CODESA 0.251 0.383 2152 CODNER 0.163 0.148 1417 COLD LAKE BDR 0.303 0.150 2794 COLT 0.171 0.160 30239 CONJURING CREEK APN 0.303 0.098 1624 CONKLIN 0.303 0.169 1634 CONKLIN WEST 0.303 0.193 1713 CONN LAKE 0.303 0.098 1635 CONTRACOSTA E. 0.263 0.383 1614 CONTRACOSTA LK 0.195 0.383 2736 COPTON CREEK 0.264 0.235 30240 CORBETT SOUTH APN 0.303 0.348 1763 CORNER LAKE #2 0.303 0.098 1697 CORRIGALL LAKE 0.303 0.383 1015 COUNTESS MAKEPEACE 0.143 0.110 2296 COUNTESS S. #2 0.143 0.146 1287 COUNTESS WEST 0.171 0.170 1028 COUNTESS-DUCHESS 0.143 0.104 1963 COUSINS B & C SALES (SUMMARY) 0.169 0.141 1433 COUSINS WEST 0.169 0.141 30241 COYOTE CREEK APN 0.303 0.159 1088 CRAIGEND 0.303 0.372 1112 CRAIGEND EAST 0.303 0.372 1148 CRAIGEND SOUTH 0.303 0.383 1541 CRAIGMYLE 0.288 0.268 1583 CRAIGMYLE EAST 0.303 0.383 1686 CRAMMOND 0.143 0.098 2749 CRANBERRY LK #2 0.303 0.383 3105 CRANBERRY LK SL 0.303 0.383 30242 CROCODILE LAKE APS 0.176 0.159 2724 CROOKED LAKE WEST 0.191 0.192 1701 CROOKED LK S. 0.206 0.205 2008 CROSSFIELD 0.143 0.098 5101 CROSSFIELD E #3 0.143 0.098 3897 CROSSFIELD EAST INTERCONNECTION 0.143 0.098 1773 CROW LAKE SOUTH 0.303 0.169 2731 CROWELL 0.303 0.383

March 2019 Page 8 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 30243 CRYSTAL LAKE APN 0.262 0.149 2718 CULP #2 0.303 0.310 1807 CULP NORTH 0.303 0.383 1489 CUTBANK RIVER 0.265 0.236 5166 CYNTHIA 0.143 0.143 1738 DANCING LAKE 0.303 0.383 2289 DARLING CREEK 0.303 0.277 1864 DAVEY LAKE 0.143 0.129 5147 DAWSON CREEK 0.297 0.307 5159 DAWSON CREEK EAST 0.292 0.303 5149 DAWSON CREEK NORTH 0.300 0.310 5185 DAWSON CREEK NORTH #2 0.300 0.310 30244 DEADHORSE APS 0.258 0.383 2285 DEADRICK CREEK 0.143 0.114 2233 DEBOLT 0.303 0.302 1760 DECRENE EAST 0.303 0.371 2244 DEEP VALLEY CREEK SOUTH 0.179 0.168 30245 DEERLAND APN 0.303 0.167 1539 DELIA 0.227 0.215 1476 0.284 0.261 1733 DEVENISH WEST 0.303 0.321 30246 DEVILLE APN 0.249 0.098 1185 DISMAL CREEK 0.159 0.150 2210 DIXONVILLE N #2 0.268 0.383 2197 DOE CREEK 0.303 0.317 2712 DOE CREEK SOUTH 0.303 0.328 1892 DOE CREEK STH#2 0.303 0.328 2776 DOIG RIVER 0.303 0.383 1147 DONALDA 0.274 0.383 2139 DONNELLY 0.303 0.383 2254 DORIS CREEK N. 0.303 0.348 1236 DOROTHY 0.200 0.383 1818 DOWLING 0.143 0.347 1689 DROPOFF CREEK 0.303 0.155 30247 DUAGH APN 0.303 0.127 1475 DUHAMEL 0.303 0.233 5022 DUNKIRK RIVER 0.303 0.098 1220 DUNMORE 0.182 0.152 2044 DUNVEGAN 0.285 0.383 2716 DUNVEGAN W. #2 0.303 0.383 2084 DUNVEGAN WEST 0.303 0.383 1877 DUVERNAY 0.217 0.202 2081 EAGLE HILL 0.153 0.140

March 2019 Page 9 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 2787 EAGLESHAM SOUTH 0.235 0.230 30248 EARLIE LAKE APN 0.303 0.383 2007 EAST 0.143 0.132 30249 EAST GATE APN 0.303 0.144 1568 EDBERG 0.255 0.262 1265 EDGERTON 0.303 0.383 1266 EDGERTON WEST 0.303 0.383 1064 EDSON 0.156 0.149 1213 0.248 0.355 2760 EKWAN 0.303 0.383 1715 ELINOR LAKE 0.303 0.100 1742 ELINOR LAKE E. 0.303 0.098 30250 ELK ISLAND APN 0.243 0.098 5165 ELK RIVER SOUTHWEST 0.143 0.129 1615 HIGH 0.229 0.213 1862 ELNORA EAST #2 0.260 0.383 1958 EMPRESS BORDER 0.143 0.098 1507 0.143 0.336 30252 ENTICE A APS 0.143 0.098 30253 ENTICE NORTH APS 0.143 0.100 1074 EQUITY 0.143 0.125 1359 EQUITY B 0.158 0.125 1586 EQUITY EAST 0.160 0.125 1232 ERSKINE NORTH 0.211 0.383 1746 ESTRIDGE LAKE 0.303 0.383 2049 ETA LAKE 0.164 0.163 1547 A 0.303 0.293 1548 ETZIKOM B 0.303 0.293 1557 ETZIKOM D 0.303 0.293 30254 EUREKA RIVER NORTH APWM 0.303 0.383 30255 FABYAN APN 0.303 0.383 1677 FAIRYDELL CREEK 0.303 0.305 2729 FARIA 0.303 0.383 30256 FASHENDALE APN 0.303 0.383 1753 FAWCETT RVR N. 0.303 0.361 30257 FBA FRIG PLANT APN 0.303 0.140 1438 FERINTOSH NORTH 0.303 0.172 1868 FERINTOSH SOUTH 0.286 0.170 1659 FERINTOSH WEST 0.303 0.266 2016 FERRIER 0.164 0.149 1101 FERRIER NORTH 0.144 0.135 2115 FERRIER SOUTH A 0.164 0.149 1111 FERRIER SOUTH B 0.157 0.146

March 2019 Page 10 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 5183 FERRIER WEST 0.143 0.110 1087 FIGURE LAKE 0.292 0.255 30258 FINCASTLE SOUTH APS 0.286 0.255 30259 FINCASTLE WEST (MAGRATH) APS 0.226 0.203 30261 FISHNET APN 0.303 0.383 30260 FISHNET B APN 0.303 0.383 1095 FLAT LAKE 0.303 0.290 1632 FOISY 0.239 0.186 2251 FONTAS RIVER 0.303 0.383 30262 FOREMOST APS 0.303 0.383 1376 FORSHEE 0.143 0.148 1602 FORT KENT 0.303 0.106 30263 FORTY MILE COULEE APS 0.303 0.370 2199 FOULWATER CREEK 0.303 0.383 2103 FOURTH CREEK 0.303 0.334 2198 FOURTH CREEK W. 0.303 0.326 2268 FRAKES FLATS 0.240 0.234 30264 FRANK LAKE APS 0.156 0.267 2772 FREEMAN RIVER 0.303 0.338 30265 FREEMAN RIVER APN 0.297 0.358 1875 GALT ISLAND 0.143 0.180 2078 GARRINGTON 0.143 0.107 2079 GARRINGTON EAST 0.145 0.134 1623 GATINE 0.143 0.098 1358 GAYFORD 0.143 0.098 30266 GAYFORD SOUTH APS 0.143 0.098 1435 GEM SOUTH 0.143 0.098 1490 GEM WEST 0.143 0.098 1073 GHOSTPINE 0.143 0.116 1617 GHOSTPINE B 0.143 0.116 1037 GILBY #2 0.145 0.157 1084 GILBY SOUTH PAC 0.145 0.157 2037 GILBY WEST 0.172 0.156 1480 GLEICHEN 0.216 0.187 1456 GLENDON 0.303 0.119 2290 GODS LAKE 0.303 0.216 2031 GOLD CREEK 0.206 0.250 5184 GOLD CREEK SOUTH 0.198 0.185 30267 GOOD HOPE APN 0.241 0.098 1452 0.266 0.246 1504 GOODRIDGE 0.301 0.141 1783 GOODRIDGE NORTH 0.303 0.167 30268 GOOSE CREEK APN 0.262 0.319

March 2019 Page 11 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 1798 GOOSEQUILL 0.268 0.383 1880 GOOSEQUILL WEST 0.143 0.338 3886 GORDONDALE BORDER 0.292 0.314 5118 GORDONDALE EAST RCPT 0.291 0.269 1448 GRACE CREEK 0.155 0.195 2771 GRACE CREEK STH 0.143 0.167 1482 GRAHAM 0.303 0.098 1352 GRAINGER 0.143 0.098 2129 GRANADA 0.195 0.190 5005 GRANOR 0.303 0.139 30269 GRASSY LAKE EAST APS 0.292 0.262 30270 GRATTON CREEK APN 0.303 0.383 1093 GREENCOURT 0.251 0.374 1267 GREGORY 0.143 0.122 1365 GREGORY NE 0.143 0.383 1259 GREGORY WEST 0.143 0.100 5025 GREW LAKE 0.303 0.152 5028 GREW LK EAST 0.303 0.172 5123 GREY OWL CREEK 0.143 0.123 5171 GREY OWL CREEK NORTH 0.143 0.128 30271 GRIMSHAW APWM 0.303 0.383 1647 GRIST LAKE 0.303 0.098 2770 GRIZZLY 0.211 0.209 30272 GRIZZLY BEAR CREEK APN 0.303 0.383 5108 GROUNDBIRCH 0.303 0.314 5120 GROUNDBIRCH EAST 0.303 0.314 1722 HACKETT WEST 0.303 0.383 1576 HADDOCK 0.167 0.383 1589 HADDOCK NORTH 0.175 0.383 2086 HAIG RIVER 0.303 0.383 2064 HAIG RIVER EAST 0.303 0.383 2127 HAIG RIVER N. 0.303 0.383 30273 HAIGHT APN 0.192 0.098 1230 0.225 0.254 1391 HALKIRK 0.143 0.305 1834 HALKIRK NORTH#2 0.143 0.302 2797 HAMBURG 0.303 0.383 3915 HAMILTON LAKE SUMMARY 0.290 0.383 1182 HANNA 0.143 0.356 1444 HARDISTY 0.285 0.339 30274 HARGWEN APN 0.303 0.350 1166 HARMATTAN-ELKTON 0.143 0.103 2145 HARO RIVER N. 0.303 0.383

March 2019 Page 12 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 1850 HARTELL SOUTH 0.143 0.098 1709 HASTINGS COULEE 0.191 0.354 1418 HATTIE LAKE N 0.303 0.281 2126 HAY RIVER 0.303 0.383 2278 HAY RIVER SOUTH 0.303 0.383 1603 HAYS 0.246 0.215 30275 HAYS SOUTH APS 0.303 0.383 2140 HEART RIVER 0.303 0.383 1439 HEISLER 0.143 0.273 1523 HELINA 0.303 0.383 2174 HENDERSON CK SE 0.303 0.347 2164 HENDERSON CREEK 0.303 0.344 1673 HERMIT LAKE 0.278 0.255 1866 HIGHLAND RANCH 0.151 0.150 30276 HIGHVALE APN 0.208 0.121 30278 HILLSDOWN APN 0.159 0.171 30277 HILLSDOWN EAST APN 0.303 0.383 30279 HINTON APN 0.303 0.383 1161 HOLDEN 0.207 0.298 1528 HOOLE 0.303 0.383 30280 HORSEFLY LAKE APS 0.298 0.266 30281 HORSESHOE APS 0.143 0.111 2094 HOTCHKISS NE B 0.303 0.383 2095 HOTCHKISS NE C 0.303 0.383 2054 HOTCHKISS NORTH 0.303 0.383 30282 HOUSE MOUNTAIN APN 0.303 0.383 30283 HOWARD CREEK APGP 0.303 0.383 2169 HOWARD CREEK E. 0.303 0.383 1207 HUDSON 0.205 0.156 1413 HUDSON WEST 0.166 0.148 30284 HUGGET APN 0.235 0.098 1859 HUMMOCK LAKE 0.143 0.250 2277 HUNT CREEK 0.303 0.282 2751 HUNT CREEK #2 0.303 0.282 1436 HUSSAR NORTH 0.143 0.098 1016 HUSSAR-CHANCELL 0.143 0.103 1142 HUXLEY 0.143 0.141 1591 HUXLEY EAST 0.281 0.265 1241 HYLO 0.303 0.383 1357 HYLO SOUTH 0.303 0.383 1479 HYTHE 0.283 0.242 1277 IDDESLEIGH S 0.143 0.098 1678 INDIAN LAKE 0.166 0.221

March 2019 Page 13 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 1717 INDIAN LAKE #2 0.165 0.221 30285 INVERNESS RIVER APN 0.303 0.383 1685 IPIATIK LAKE 0.303 0.098 1441 IRISH 0.303 0.333 30286 IRMA B APN 0.286 0.383 30287 IRMA NORTH APN 0.303 0.383 1569 IROQUOIS CREEK 0.221 0.207 30288 IRVINE CREEK APN 0.303 0.098 30289 ISLAND CREEK APWM 0.303 0.383 1407 ISLAND LAKE 0.271 0.301 1694 JACKFISH CREEK 0.303 0.098 2723 JACKPOT CREEK 0.303 0.383 2146 JACKSON CREEK 0.143 0.107 3860 JANUARY CREEK INTERCONNECTION 0.165 0.156 1163 JARROW 0.303 0.312 1159 JARROW SOUTH 0.297 0.328 1281 JARROW WEST 0.303 0.307 1799 JARVIE NORTH 0.303 0.383 1886 JARVIS BAY 0.143 0.319 30290 JAYAR APGC 0.265 0.244 1143 JENNER EAST 0.143 0.098 1099 JENNER WEST 0.143 0.098 1385 JENNER WEST B 0.143 0.098 1167 JOFFRE 0.219 0.221 1878 JOFFRE EAST 0.177 0.187 3864 JOFFRE INTERCONNECTION 0.143 0.147 30291 JOFFRE REFRIDGERATION APN 0.177 0.187 30292 JONES CREEK APN 0.177 0.187 2267 JONES LAKE 0.269 0.248 2279 JONES LAKE #2 0.269 0.248 2241 JONES LAKE N. 0.303 0.288 2087 JOSEPHINE 0.303 0.314 2022 JUDY CREEK 0.303 0.352 30293 JUMPING POUND APS 0.143 0.098 2036 JUMPING POUND W 0.143 0.098 1811 KAKWA 0.258 0.224 1462 KARR 0.199 0.185 2013 KAYBOB 0.232 0.227 2027 KAYBOB 11-36 0.229 0.225 2020 KAYBOB SOUTH 0.209 0.195 2035 KAYBOB SOUTH #3 0.174 0.176 2053 KEG RIVER 0.303 0.383 2068 KEG RIVER EAST 0.303 0.383

March 2019 Page 14 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 2216 KEG RIVER NORTH 0.303 0.383 1517 KEHIWIN 0.303 0.240 1882 KEIVERS LAKE 0.143 0.098 2748 KEMP RIVER 0.303 0.383 30294 KENILWORTH APN 0.303 0.383 1483 KENT 0.303 0.110 30295 KEOMA APS 0.143 0.098 2739 KEPPLER CREEK 0.303 0.383 1845 KERSEY 0.143 0.098 1879 KERSEY NO. 2 0.143 0.098 1627 KETTLE RIVER 0.303 0.098 1668 KETTLE RIVER NORTH 0.303 0.098 2288 KIDNEY LAKE 0.303 0.215 1608 KIKINO 0.285 0.270 1772 KIKINO NORTH 0.247 0.229 30296 KILINI CREEK APN 0.303 0.171 1162 KILLAM 0.303 0.362 1298 KILLAM NORTH 0.303 0.383 1682 KINOSIS 0.303 0.098 1446 KIRBY 0.303 0.098 1727 KIRBY NORTH #2 0.303 0.104 30297 KITSCOTY APN 0.303 0.383 30298 KITTO LAKE APN 0.207 0.151 5117 KOMIE EAST 0.303 0.383 2777 KOTCHO RIVER 0.303 0.383 2759 KSITUAN R E #2 0.303 0.383 2134 KSITUAN RIVER 0.303 0.383 1721 LAC LA BICHE 0.286 0.215 1860 LACOMBE LAKE 0.143 0.138 1718 LACOREY 0.303 0.129 2287 LAFOND CREEK 0.303 0.245 1210 LAKE NEWELL E 0.162 0.242 1562 LAKEVIEW LAKE 0.143 0.121 1828 LAKEVIEW LAKE #2 0.143 0.383 2737 LALBY CREEK 0.303 0.383 1767 LAMERTON 0.203 0.374 1884 LAMERTON SOUTH 0.143 0.317 1887 LAMERTON#2 0.203 0.374 1206 LANFINE 0.143 0.116 1564 LARKSPUR 0.303 0.383 2223 LAST LAKE 0.279 0.383 2151 LASTHILL CREEK 0.143 0.113 2259 LATHROP CREEK 0.303 0.383

March 2019 Page 15 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 1874 LAVESTA 0.148 0.179 1132 0.226 0.246 1695 LAWRENCE LAKE N 0.303 0.383 2040 LEAFLAND 0.216 0.194 1833 LEE LAKE 0.219 0.383 2179 0.143 0.121 2249 LENNARD CREEK 0.303 0.383 1272 LEO 0.143 0.317 5003 LIEGE 0.303 0.107 1536 LINARIA 0.303 0.383 30299 LINDBROOK APN 0.239 0.098 1857 LINDEN 0.143 0.098 30300 LINQUIST COULEE APS 0.303 0.311 30301 LISBURN A APN 0.303 0.179 1872 LITTLE BOW 0.143 0.125 5111 LITTLE HAY CREEK 0.303 0.383 1494 LITTLE SUNDANCE 0.154 0.147 5144 LIVINGSTONE CREEK 0.300 0.310 5163 LIVINGSTONE CREEK NO 2 0.300 0.310 30302 LLOYD CREEK APN 0.158 0.135 30303 A APN 0.303 0.383 30304 LLOYDMINSTER B APN 0.303 0.383 2111 LOBSTICK 0.156 0.156 30305 LOBSTICK APN 0.237 0.196 1465 LONE BUTTE 0.221 0.383 1069 LONE PINE CREEK 0.143 0.113 1139 LONE PINE CREEK SOUTH 0.143 0.105 1768 LONESOME LAKE 0.149 0.207 1630 LONG LAKE WEST 0.303 0.360 30306 LOSTPOINT LAKE APN 0.303 0.140 1366 LOUISIANA LAKE 0.153 0.135 1496 0.256 0.383 2128 LOVET CREEK 0.303 0.383 1386 LUCKY LAKE 0.303 0.383 2774 MACINTOSH LAKE 0.262 0.328 5021 MACKAY RIVER 0.303 0.248 2780 MADDENVILLE 0.247 0.223 30308 MAGEE APN 0.300 0.383 2702 MAHASKA 0.220 0.383 30309 MAJEAU LAKE APN 0.303 0.231 1229 MAJESTIC 0.143 0.120 1419 MAKEPEACE NORTH 0.143 0.117 1873 MALMO 0.218 0.224

March 2019 Page 16 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 1719 MANATOKEN LAKE 0.303 0.098 30310 MANAWAN LAKE APN 0.303 0.214 2720 MANIR 0.303 0.383 30311 MANNVILLE APN 0.269 0.383 1273 MAPLE GLEN 0.143 0.311 1572 MARLBORO 0.216 0.203 1663 MARLBORO EAST 0.217 0.203 2713 MARLOW CREEK 0.303 0.383 2762 MARSH HD CK W#2 0.174 0.163 2750 MARSH HEAD CK WEST 0.174 0.163 2228 MARSH HEAD CREEK 0.198 0.183 1091 MARTEN HILLS 0.303 0.315 1672 MARTEN HILLS N. 0.303 0.383 1097 MARTEN HILLS S 0.303 0.322 30312 MASKWA CREEK APN 0.264 0.383 1270 MATZHIWIN EAST 0.149 0.383 1284 MATZHIWIN NE 0.143 0.109 1379 MATZHIWIN SOUTH 0.143 0.100 1150 MATZHIWIN WEST 0.143 0.100 1514 MAUGHAN 0.303 0.383 1633 MAY HILL 0.303 0.234 30313 MAYATAN LAKE APN 0.298 0.184 2790 MAYBERNE 0.158 0.151 5109 MAYBERNE NO. 2 0.157 0.150 30314 MAZEPPA APS 0.149 0.274 2706 MCLEAN CREEK 0.303 0.383 2144 MCLENNAN 0.303 0.383 30315 MCLEOD RIVER APN 0.217 0.203 2710 MCMILLAN LAKE 0.303 0.383 6404 MCNEILL BORDER 0.143 0.098 1704 MEADOW CREEK 0.303 0.246 1707 MEADOW CREEK E. 0.303 0.291 1705 MEADOW CRK WEST 0.303 0.221 1017 MED HAT N #1 0.143 0.098 1184 MED HAT N ARCO 0.143 0.098 1325 MED HAT N F 0.143 0.098 1205 MED HAT NW 0.143 0.098 1018 MED HAT S #1 0.143 0.098 1043 MED HAT S #2 0.143 0.098 1128 MED HAT S #4 0.143 0.098 1172 MED HAT WEST 0.143 0.098 30316 MEDALLION APS 0.214 0.317 1186 EAST 0.143 0.098

March 2019 Page 17 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 30317 MEDICINE LODGE APN 0.303 0.358 1214 MEDICINE RIVER A 0.296 0.295 2778 MEGA RIVER 0.303 0.383 2781 MEGA RIVER #2 0.303 0.383 1645 NORTH 0.234 0.383 1508 0.213 0.199 1146 MIKWAN 0.197 0.329 1427 MIKWAN EAST 0.303 0.383 1144 MIKWAN NORTH 0.143 0.263 2237 MILLERS LAKE 0.166 0.159 1524 MILLS 0.303 0.185 1578 MILO 0.143 0.167 1396 MINBURN 0.303 0.383 2149 MINNEHIK-BK L B 0.154 0.140 2010 MINNEHIK-BK LK 0.154 0.140 1693 MINNOW LAKE 0.218 0.203 5170 MINNOW LAKE WEST 0.153 0.142 1658 MIQUELON LAKE 0.303 0.286 2273 MIRAGE 0.303 0.383 1500 MIRROR 0.230 0.367 5124 MITCHELL CREEK 0.183 0.171 1090 MITSUE 0.303 0.383 3889 MITSUE SALES INTERCONNECTION 0.303 0.383 1457 MITSUE SOUTH 0.303 0.383 1605 MONITOR CREEK 0.151 0.383 1771 MONITOR CREEK W 0.236 0.380 1222 MONITOR SOUTH 0.160 0.383 1292 MONS LAKE 0.303 0.383 1355 MONS LAKE EAST 0.303 0.383 1823 MOOSE PORTAGE 0.247 0.295 1484 MOOSELAKE RIVER 0.303 0.126 1460 MORECAMBE 0.303 0.290 1458 MORRIN 0.210 0.199 30318 MOSQUITO CREEK APS 0.228 0.205 1781 MOSS LAKE 0.303 0.310 1802 MOSS LAKE NORTH 0.285 0.259 30319 APS 0.303 0.383 1641 MOUNT VALLEY 0.269 0.249 2206 MULLIGAN CRK S. 0.303 0.372 30320 MUNDARE B APN 0.208 0.098 1774 MUNSON 0.280 0.257 1888 MUNSON #2 0.280 0.257 1551 MURRAY LAKE 0.264 0.224

March 2019 Page 18 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 2236 MUSKEG CREEK 0.303 0.383 1785 MUSKWA RIVER 0.303 0.383 2711 MUSREAU LAKE 0.274 0.244 5115 MUSREAU LAKE NO. 2 0.274 0.244 5153 MUSREAU LAKE NORTH 0.261 0.231 5186 MUSREAU LAKE NORTH NO. 2 0.261 0.231 5122 MUSREAU LAKE WEST 0.275 0.244 30321 MYRNAM APN 0.303 0.383 30322 MYSTERY LAKE APN 0.275 0.308 2745 NARRAWAY RIVER 0.286 0.255 3009 NEPTUNE 0.303 0.383 1276 0.280 0.296 1316 NETOOK 0.303 0.309 1020 NEVIS NORTH 0.161 0.368 30323 NEVIS NORTH APN 0.156 0.351 1019 NEVIS SOUTH 0.156 0.351 1502 0.303 0.383 1140 NEWELL NORTH 0.143 0.149 30324 NEWTON APN 0.303 0.241 1747 NIGHTINGALE 0.143 0.098 1194 NIPISI 0.303 0.383 2071 NITON 0.174 0.183 30325 NORBUCK APN 0.209 0.120 6006 NORTH DUNCAN 0.303 0.169 6009 NORTH HANGINGSTONE 0.303 0.210 6008 NORTH THORNBURY (RIO) 0.303 0.167 2767 NOSE MOUNTAIN 0.276 0.246 1865 NOSEHILL CK NORTH 0.165 0.156 2192 RIVER 0.303 0.383 2218 NOTIKEWIN RVR N 0.303 0.383 30326 NOYES CROSSING APN 0.303 0.194 1824 OBED CREEK 0.199 0.184 1829 OBED NORTH 0.162 0.151 1532 0.303 0.383 2796 OLDMAN 0.159 0.151 1053 OLDS 0.143 0.132 30327 OLDS APS 0.143 0.132 1545 OPAL 0.303 0.212 30328 OPAL REDWATER APN 0.303 0.172 1814 ORLOFF LAKE 0.303 0.308 1716 OSBORNE LAKE 0.303 0.098 1812 OSLAND LAKE 0.303 0.383 1587 OVERLEA 0.303 0.383

March 2019 Page 19 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 1817 OWL LAKE 0.303 0.383 2728 OWL LAKE SOUTH 0.303 0.383 2742 OWL LAKE STH #2 0.303 0.383 2746 OWL LAKE STH #3 0.303 0.383 1058 OYEN NORTH 0.143 0.098 2098 PADDLE PRAIR S. 0.303 0.383 2093 PADDLE PRAIRIE 0.303 0.383 30329 PADDLE RIVER APN 0.303 0.232 30330 PADDY CREEK APN 0.177 0.160 1852 PAKAN LAKE 0.213 0.161 1728 PARADISE VALLEY 0.303 0.383 1853 PARKER CREEK 0.303 0.383 30331 PARKLAND APS 0.221 0.198 1665 PARSONS LAKE 0.303 0.383 30332 PARTRIDGE HILL APN 0.303 0.119 2089 PASS CREEK 0.193 0.193 2168 PASS CREEK WEST 0.184 0.186 2260 PASTECHO RIVER 0.303 0.383 1278 PATRICIA 0.143 0.103 1289 PATRICIA WEST 0.143 0.134 30333 PEAVEY EXCELSIOR APN 0.303 0.120 2793 PEAVINE CREEK 0.303 0.324 30337 PEMBINA NO 7 APN 0.146 0.164 30334 PEMBINA NO. 1 APN 0.185 0.141 30335 PEMBINA NO. 2 APN 0.261 0.209 30336 PEMBINA NO. 4 APN 0.201 0.191 30338 PEMBINA NO. 8 APN 0.201 0.182 30339 PEMBURTON HILLS APN 0.252 0.138 1180 PENHOLD 0.143 0.127 1607 PENHOLD WEST 0.159 0.162 30340 PERCY LAKE APN 0.303 0.383 2280 PETE LAKE 0.303 0.313 2247 PETE LAKE SOUTH 0.263 0.255 1714 PICHE LAKE 0.303 0.207 2046 PIONEER 0.161 0.171 1739 PIPER CREEK 0.159 0.171 1797 PITLO 0.303 0.254 1110 PLAIN LAKE 0.291 0.294 1858 POE 0.143 0.247 2173 POISON CREEK 0.219 0.222 30341 PONOKA APN 0.258 0.383 1881 PORTERS BUTTE 0.143 0.098 30342 PRAIRIE CREEK NGTL 0.300 0.274

March 2019 Page 20 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 1246 PRINCESS EAST 0.143 0.098 1183 PRINCESS WEST 0.143 0.178 1010 PRINCESS-DENHART 0.143 0.098 1022 PRINCESS-IDDESLEIGH 0.143 0.098 2153 PROGRESS 0.276 0.248 2191 PROGRESS EAST 0.281 0.252 1211 PROVOST MONITOR 0.296 0.383 1003 PROVOST NORTH 0.175 0.383 1013 PROVOST SOUTH 0.187 0.383 1045 PROVOST WEST 0.260 0.383 1038 PROVOST-KESSLER 0.285 0.383 30343 APS 0.287 0.256 30344 QUEENIE CREEK APN 0.303 0.383 1601 QUEENSTOWN 0.225 0.273 2026 QUIRK CREEK 0.143 0.098 30345 RABBIT HILL APN 0.303 0.125 1741 RABBIT LAKE 0.303 0.098 2201 RAINBOW LAKE S. 0.303 0.383 1378 RAINIER SOUTH 0.153 0.214 1282 RALSTON 0.143 0.122 1826 RALSTON SOUTH 0.143 0.174 2148 RAMBLING CREEK 0.303 0.383 2213 RAMBLING CRK E. 0.303 0.383 1164 RANFURLY 0.269 0.383 1189 RANFURLY NORTH 0.202 0.262 1165 RANFURLY WEST 0.221 0.383 2211 RASPBERRY LAKE 0.284 0.273 2104 RAT CREEK 0.143 0.142 2265 RAT CREEK SOUTH 0.157 0.157 2252 RAT CREEK WEST 0.169 0.167 2193 RAY LAKE SOUTH 0.303 0.383 2166 RAY LAKE WEST 0.303 0.383 1209 REDCLIFF 0.178 0.149 1219 REDCLIFF SOUTH 0.153 0.127 1838 REDCLIFF STH #2 0.154 0.127 1346 REDCLIFF WEST 0.151 0.169 30346 REDLANDS APS 0.143 0.112 30347 REDWATER CONSERVATION PLANT APN 0.303 0.266 2779 RESTHAVEN 0.227 0.210 2785 RESTHAVEN NORTH 0.220 0.203 1057 RETLAW 0.143 0.139 1218 RETLAW SOUTH 0.143 0.164 1374 RICH LAKE 0.303 0.383

March 2019 Page 21 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 1135 RICINUS 0.143 0.118 1372 RICINUS SOUTH 0.143 0.114 1437 RICINUS WEST 0.143 0.122 2782 0.243 0.237 1949 RIMBEY- SUMMARY 0.158 0.135 1510 RIVERCOURSE 0.303 0.383 1499 ROBB 0.184 0.173 1336 ROCHESTER 0.303 0.383 1134 ROCKYFORD 0.143 0.098 2715 ROD LAKE 0.303 0.101 30348 RODINO APN 0.303 0.383 1468 ROSALIND 0.145 0.261 30349 ROSE CREEK APN 0.202 0.185 1579 ROSE LYNNE 0.143 0.379 1885 ROSEGLEN 0.143 0.098 1466 ROSEMARY 0.143 0.098 1461 ROSEMARY NORTH 0.143 0.098 2099 ROSEVEAR SOUTH 0.183 0.191 2725 ROSSBEAR LAKE 0.303 0.383 1706 ROURKE CRK EAST 0.303 0.383 1540 ROWLEY 0.193 0.185 1299 ROYAL PARK 0.179 0.239 1530 RUMSEY 0.200 0.343 1867 RUMSEY NORTH #2 0.266 0.383 1600 RUMSEY WEST 0.246 0.383 2261 RUSSELL CREEK 0.303 0.383 30350 RYLEY APN 0.247 0.163 30351 SADDLE HILLS APGP 0.269 0.248 1311 SADDLE LAKE N 0.254 0.156 5004 SALESKI 0.303 0.219 2281 SAND CREEK 0.156 0.142 30352 SANDY LAKE APN 0.303 0.110 5119 SATURN 0.303 0.320 2792 SAWN LAKE EAST 0.303 0.337 1537 SCOTFIELD 0.239 0.383 1036 SEDALIA NORTH 0.236 0.209 1023 SEDALIA SOUTH 0.143 0.122 1114 SEDGEWICK 0.303 0.383 1395 SEDGEWICK EAST 0.303 0.357 1403 SEDGEWICK NORTH 0.303 0.318 1447 SEIU CREEK 0.143 0.098 1847 SERVICEBERRY CREEK 0.143 0.098 3862 SEVERN CREEK INTERCONNECTION 0.143 0.098

March 2019 Page 22 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 5146 SHADY OAK NORTH 0.186 0.174 1871 SHARPLES 0.143 0.107 30353 SHARPLES APS 0.143 0.113 2783 SHEKILIE RVR EAST 0.303 0.383 2276 SHEKILIE RVR N. 0.303 0.383 2798 SHERRI VAIL 0.177 0.167 5116 SIERRA 0.303 0.383 2170 SILVERWOOD 0.303 0.383 1806 SIMON LAKES 0.303 0.383 2028 SIMONETTE 0.264 0.214 5167 SIMONETTE EAST 0.209 0.204 1354 SLAWA NORTH 0.300 0.232 2235 SLIMS LAKE 0.303 0.383 2137 SLOAT CREEK 0.303 0.383 1521 SMITH 0.303 0.351 1637 SMITH WEST 0.303 0.351 30354 SNAKE CREEK APSI 0.303 0.383 2253 SNIPE LAKE 0.303 0.383 2264 SNOWFALL CREEK 0.303 0.383 2763 SNUFF MOUNTAIN 0.202 0.201 5110 SNUFF MOUNTAIN NORTH 0.208 0.213 30355 SOUTH CARROT APN 0.156 0.156 1065 SOUTH ELKTON 0.233 0.226 1556 SOUTH SASK RVR 0.287 0.245 1580 SPEAR LAKE 0.303 0.332 1856 SPOTTED CREEK 0.172 0.347 1341 SPRUCEFIELD 0.303 0.383 1581 SQUARE LAKE 0.303 0.217 1519 ST BRIDES 0.303 0.203 1414 ST LINA 0.295 0.143 1415 ST LINA NORTH 0.303 0.196 1416 ST LINA WEST 0.303 0.114 1534 STANDARD 0.143 0.105 1131 STANMORE 0.143 0.383 1156 STANMORE SOUTH 0.143 0.383 2284 STEEN RIVER 0.303 0.383 1308 STETTLER SOUTH 0.239 0.383 1388 STEVEVILLE 0.143 0.383 1565 STONEY CREEK 0.303 0.383 1566 STONEY CREEK W 0.279 0.382 1115 STRACHAN 0.143 0.108 5181 STRACHAN NORTH 0.143 0.108 30356 STRATHMORE 2 NORTH APS 0.186 0.383

March 2019 Page 23 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 30357 STRATHMORE 2 SOUTH APS 0.143 0.342 1179 STROME-HOLMBERG 0.171 0.289 30392 STURGEON APN 0.303 0.158 2030 STURGEON LAKE S 0.298 0.371 1423 SUFFIELD WEST 0.143 0.176 1193 SULLIVAN LAKE 0.197 0.383 1516 SUNDANCE CREEK 0.232 0.216 30358 SUNDANCE CREEK APN 0.232 0.216 1595 SUNDANCE CRK E 0.158 0.150 30359 SUNNYBROOK APN 0.226 0.104 1079 SUNNYNOOK 0.143 0.383 2795 SUNVALLEY 0.182 0.172 1054 SYLVAN LAKE 0.143 0.151 1187 SYLVAN LAKE EAST #1 0.143 0.147 1855 SYLVAN LAKE EAST #2 0.143 0.146 1055 SYLVAN LK WEST 0.155 0.171 30360 TABER NORTH APS 0.241 0.216 2121 TANGENT B 0.303 0.383 2208 TANGENT EAST 0.303 0.383 2157 TANGHE CREEK 0.303 0.383 2204 TANGHE CREEK #2 0.303 0.383 2747 TANGHE CREEK #3 0.303 0.383 1837 TAWADINA CREEK 0.143 0.111 2076 0.303 0.383 5027 THICKWOOD HILLS 0.303 0.212 30361 THIRD LAKE NORTH APS 0.143 0.285 1377 THORHILD 0.303 0.292 1430 THORHILD WEST 0.263 0.311 6005 THORNBURY EAST 0.303 0.102 6002 THORNBURY MARIANA 0.303 0.125 6001 THORNBURY NORTH (AG THORN) 0.303 0.131 6000 THORNBURY WEST 0.303 0.138 30362 THORSBY A APN 0.237 0.098 30363 THORSBY B APN 0.232 0.099 1029 THREE HILLS CRK 0.150 0.157 1335 THREE HLS CRK W 0.143 0.108 30365 THUNDER APN 0.296 0.288 30364 THUNDER B APN 0.297 0.288 1348 TIDE LAKE 0.143 0.098 1639 TIDE LAKE B 0.143 0.098 1331 TIDE LAKE EAST 0.143 0.098 1268 TIDE LAKE NORTH 0.143 0.098 1223 TIDE LAKE SOUTH 0.143 0.098

March 2019 Page 24 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 1314 TILLEBROOK 0.143 0.183 1644 TILLEBROOK WEST 0.143 0.149 1169 TILLEY 0.143 0.164 1839 TILLEY SOUTH #2 0.232 0.280 2769 TIMBERWOLF 0.303 0.383 30366 TOAD LAKE APN 0.303 0.207 30367 TOMAHAWK CREEK APN 0.303 0.216 2116 TONY CREEK N. 0.240 0.234 5189 TONY CREEK NO 2 0.185 0.187 2754 TOPLAND 0.303 0.334 1841 TORLEA EAST 0.175 0.175 1869 TORRINGTON E #2 0.143 0.100 1621 TORRINGTON EAST 0.143 0.100 5148 TOWER LAKE 0.303 0.319 30368 TRAPPERS LAKE APN 0.303 0.119 1442 TRAVERS 0.143 0.139 5105 TREMBLAY 0.297 0.307 5106 TREMBLAY NO. 2 0.297 0.307 5107 TREMBLAY NO. 3 0.297 0.307 30369 TRIBUTE APN 0.303 0.352 1574 TROCHU 0.180 0.175 1848 TUDOR 0.143 0.098 1343 TWEEDIE 0.303 0.383 1256 TWEEDIE SOUTH 0.303 0.383 1699 TWELVE MILE COULEE 0.152 0.182 30370 TWIN LAKES APN 0.303 0.272 3113 TWIN LAKES CREEK SALES 0.303 0.228 1190 TWINING 0.143 0.114 1066 TWINING NORTH 0.143 0.127 2224 TWO CREEKS 0.303 0.331 2229 TWO CREEKS EAST 0.303 0.383 1120 UKALTA 0.285 0.341 1317 UKALTA EAST 0.243 0.305 1250 UNITY BORDER 0.220 0.383 1154 VALE 0.143 0.106 1212 VALE EAST 0.174 0.140 2107 VALHALLA 0.272 0.242 2227 VALHALLA #2 0.272 0.242 5180 VALHALLA NORTH 0.261 0.234 1801 VANDERSTEENE LK 0.303 0.187 30371 VANTAGE APN 0.224 0.204 2788 VEDA 0.303 0.383 1056 VERGER 0.143 0.121

March 2019 Page 25 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 1077 VERGER-HOMESTEAD 0.143 0.098 1203 VERGER-MILLICEN 0.143 0.098 30372 VERMILION APN 0.303 0.383 30373 VERMILION RIVER APN 0.303 0.383 30374 VERNON LAKE APN 0.247 0.383 3916 VETERAN SUMMARY 0.290 0.383 1606 VICTOR 0.276 0.258 1347 VIKING EAST 0.180 0.282 30375 VIKING FIELD APN 0.175 0.175 1257 VIKING NORTH 0.250 0.332 30376 VIKING SOUTH APN 0.293 0.383 30377 VILLENEUVE APN 0.303 0.098 1464 VILNA 0.303 0.383 1527 VIMY 0.303 0.383 1076 VULCAN 0.143 0.185 1724 WABASCA 0.303 0.383 1669 WADDELL CREEK 0.303 0.098 1736 WADDELL CREEK W 0.303 0.279 30378 WAINWRIGHT APN 0.303 0.383 1383 WAINWRIGHT EAST 0.303 0.383 1199 WAINWRIGHT S 0.303 0.383 6015 WANDER TOWER (TALISMAN) 0.303 0.300 1822 0.303 0.227 1340 WARDLOW EAST 0.143 0.383 30379 WARNER APS 0.303 0.383 2133 WARRENSVILLE 0.303 0.383 1353 WARSPITE 0.232 0.345 1118 WARWICK 0.174 0.217 1173 WARWICK SOUTH 0.195 0.221 3948 WARWICK SOUTHEAST INTERCONNECTION 0.165 0.233 2029 WASKAHIGAN 0.195 0.195 2160 WATER VALLEY 0.143 0.098 2123 0.297 0.285 1945 WATR1/WATR2 SUMMARY 0.143 0.098 1570 WATTS 0.151 0.383 1021 WAYNE NORTH 0.153 0.152 1039 WAYNE-DALUM 0.143 0.141 1107 WAYNE-ROSEBUD 0.143 0.098 1585 WEASEL CREEK 0.281 0.364 30380 WEASEL CREEK APN 0.303 0.201 2207 WEBSTER 0.303 0.383 1825 WELLING 0.303 0.264 2158 WEMBLEY 0.254 0.232

March 2019 Page 26 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 30381 WEST APS 0.174 0.157 2120 WEST PEMBINA S. 0.151 0.152 1188 WEST VIKING 0.216 0.308 1321 WESTLOCK 0.303 0.383 3871 WESTLOCK SALES INTERCONNECTION 0.303 0.383 1787 WHISTWOW 0.303 0.351 2701 WHITBURN EAST 0.299 0.357 1094 WHITECOURT 0.230 0.370 2075 WHITELAW 0.303 0.383 2055 WHITEMUD EAST 0.276 0.383 3917 WHITEMUD WEST-WHITEMUD RIVER SUM 0.290 0.383 1345 WHITFORD 0.227 0.279 1684 WIAU LAKE 0.303 0.109 2005 WILDCAT HILLS 0.143 0.098 1661 WILDHAY RIVER 0.168 0.157 5157 WILDHAY RIVER SOUTH 0.167 0.157 30382 WILDMERE NORTH APN 0.303 0.383 30383 WILDMERE SOUTH APN 0.303 0.383 1650 WILDUNN CREEK E 0.143 0.383 1049 WILDUNN CRK-BUR 0.143 0.383 2014 WILLESDEN GREEN 0.143 0.106 2112 WILLESDEN GREEN NORTH 0.143 0.109 1428 WILLINGDON 0.200 0.238 1652 WILLOW RIVER 0.303 0.383 1759 WILLOW RIVER N 0.303 0.375 2019 WILSON CREEK 0.194 0.187 2171 WILSON CREEK SE 0.196 0.200 1046 WIMBORNE 0.143 0.113 1234 WIMBORNE NORTH 0.143 0.130 2707 WINAGAMI LAKE 0.303 0.383 2012 WINDFALL 0.194 0.194 30384 WINDMILL RENTAL APN 0.303 0.114 1577 WINEFRED RIVER 0.303 0.098 1628 WINEFRED RVR N. 0.303 0.098 1671 WINEFRED RVR S. 0.303 0.098 30385 WINNIFRED APS 0.303 0.323 1070 WINTERING HILLS 0.143 0.098 1104 WINTERING HLS EAST 0.143 0.098 2147 WITHROW 0.151 0.137 30386 WOKING APGP 0.303 0.383 30387 WOLF CREEK APN 0.303 0.383 5168 WOLF LAKE RECEIPT 0.149 0.141 2214 WOLVERINE RIVER 0.303 0.383

March 2019 Page 27 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design Proposed Rate Design FT-R 3-Yr Term FT-R 3-Yr Term Station Number Station Name $/Mcf/d $/Mcf/d 1035 WOOD RIVER 0.203 0.383 2765 WOOSTER 0.187 0.188 2057 WORSLEY EAST 0.303 0.383 30388 WRENTHAM EAST APS 0.303 0.383 30389 YATES APN 0.238 0.383 30390 YEKAU LAKE APN 0.303 0.098 5164 YELLOWHEAD 0.143 0.128 1342 YOUNGSTOWN 0.228 0.383 2060 ZAMA LAKE 0.303 0.383 1944 ZAMA LAKE SUMMARY 0.303 0.383

March 2019 Page 28 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Current Rate Design - 2017 Annualized Illustrative FT-P Rates

FT-P Demand Rates FT-P Demand FT-P FT-P Maximum Distance Rate Receipt Delivery Distance Between Receipt Point per Month Credit Credit Band and Delivery Point (km) Price Point Rate Rate "B" From To ($/103m3) ($/103m3/d) ($/103m3/d) 1 0 25 308.14 5.05 6.50 2 >25 50 318.88 5.33 6.50 3 >50 75 329.62 5.61 6.50 4 >75 100 340.35 5.89 6.50 5 >100 125 351.09 6.18 6.50 6 >125 150 361.83 6.46 6.50 7 >150 175 372.57 6.74 6.50 8 >175 200 383.30 7.02 6.50 9 >200 225 394.04 7.31 6.50 10 >225 250 404.78 7.59 6.50 11 >250 275 415.52 7.87 6.50 12 >275 300 426.25 8.15 6.50 13 >300 325 436.99 8.44 6.50 14 >325 350 447.73 8.72 6.50 15 >350 375 458.47 9.00 6.50 16 >375 400 469.20 9.28 6.50 17 >400 425 479.94 9.57 6.50 18 >425 450 490.68 9.85 6.50 19 >450 475 501.42 10.13 6.50 20 >475 500 512.15 10.41 6.50 21 >500 522.89 10.70 6.50

March 2019 Page 29 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Proposed Rate Design - 2017 Annualized Illustrative FT-P Rates

FT-P Demand Rates FT-P Demand FT-P FT-P Maximum Distance Distance Rate Receipt Delivery Between Receipt Point Band per Month Credit Credit and Delivery Point (km) Price Point Rate Rate "B" From To ($/103m3) ($/103m3/d) ($/103m3/d) 1 0 25 213.31 3.45 7.09 2 >25 50 233.98 3.95 7.09 3 >50 75 254.65 4.46 7.09 4 >75 100 275.32 4.96 7.09 5 >100 125 295.99 5.46 7.09 6 >125 150 316.66 5.97 7.09 7 >150 175 337.33 6.47 7.09 8 >175 200 358.00 6.97 7.09 9 >200 225 378.67 7.47 7.09 10 >225 250 399.34 7.98 7.09 11 >250 275 420.01 8.48 7.09 12 >275 300 440.68 8.98 7.09 13 >300 325 461.34 9.49 7.09 14 >325 350 482.01 9.99 7.09 15 >350 375 502.68 10.49 7.09 16 >375 400 523.35 11.00 7.09 17 >400 425 544.02 11.50 7.09 18 >425 450 564.69 12.00 7.09 19 >450 475 585.36 12.50 7.09 20 >475 500 606.03 13.01 7.09 21 >500 626.70 13.51 7.09

March 2019 Page 30 of 31 NOVA Gas Transmission Ltd. NGTL System Rate Design and Services Application Appendix 5 - Tab B

Proposed Rate Design - FT-R Transition Mechanism - Illustrative Example 1

FT-R Transition Mechanism - Year 1 Year 1 Point Specific / Current Rate Design Proposed Rate Design Year 1 Service Rates Rate2 Absent Transition Rate3 Year 1 Transition mechanism Transition Rate Receipt Price Point "B" - 3 yr term (c/mcf/d) 1/3 of difference

FT-R Avg 22.3 22.3 22.3 + (22.3 - 22.3) * (1/3) = 22.3 Ceiling 30.3 38.3 30.3 + (38.3 - 30.3) * (1/3) = 33.0 Floor 14.3 9.8 14.3 + (9.8 - 14.3) * (1/3) = 12.8

1. Illustrative example based on 2017 Annualized Rates. 2. Last approved rate under the current rate design. 3. Year 1 annual rate resulting from the applied-for rate design (based on Year 1 Revenue Requirement and Billing Determinants).

FT-R Transition Mechanism - Year 2

Year 2 Point Specific / Year 1 Proposed Rate Design Year 2 Service Rates Transition Rate Absent Transition Rate4 Year 2 Transition mechanism Transition Rate Receipt Price Point "B" - 3 yr term (c/mcf/d) 2/3 of difference

FT-R Avg 22.3 22.3 22.3 + (22.3 - 22.3) * (2/3) = 22.3 Ceiling 33.0 38.3 33.0 + (38.3 - 33.0) * (2/3) = 36.5 Floor 12.8 9.8 12.8 + (9.8 - 12.8) * (2/3) = 10.8

4. Year 2 annual rate resulting from the applied-for rate design (based on Year 2 Revenue Requirement and Billing Determinants).

FT-R Transition Mechanism - Year 3

Year 3 Point Specific / Year 2 Proposed Rate Design Year 3 Service Rates Transition Rate Absent Transition Rate5 Year 3 Transition mechanism Transition Rate Receipt Price Point "B" - 3 yr term (c/mcf/d) 3/3 of difference

FT-R Avg 22.3 22.3 22.3 + (22.3 - 22.3) * (3/3) = 22.3 Ceiling 36.5 38.3 36.5 + (38.3 - 36.5) * (3/3) = 38.3 Floor 10.8 9.8 10.8 + (9.8 - 10.8) * (3/3) = 9.8

5. Year 3 annual rate resulting from the applied-for rate design (based on Year 3 Revenue Requirement and Billing Determinants).

March 2019 Page 31 of 31