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   10/5/2021 
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   Spot
  Price Calculations for September 
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   Rover
  - Based on Gas Daily 
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   Gas Daily - Weekly Weighted Average Prices 
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   Supply Zone 
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   Mainline Zone 
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   Market Zone N 
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   Market Zone S 
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   Eastern Gas, North 
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   Chicago, City Gates 
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   Dawn, Ontario 
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   Mich Con City-Gate 
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   Weekly Average 
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   Columbia Gulf, Mainline 
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   Trunkline, Zone 1A 
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   Weekly Average 
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   9/6/2021 
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   $3.7970 
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   $4.2670 
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   $4.2540 
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   $4.2490 
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   $4.2515 
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   $4.0290 
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   $4.2060 
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   $4.1175 
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   9/13/2021 
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   $3.7310 
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   $4.5860 
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   $4.5310 
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   $4.5410 
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   $4.5360 
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   $4.0760 
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   $4.5180 
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   $4.2970 
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   9/20/2021 
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   $4.6040 
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   $5.0610 
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   $5.0110 
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   $5.0140 
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   $5.0125 
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   $4.7690 
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   $5.0070 
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   $4.8880 
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   9/27/2021 
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   $4.3490 
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   $4.8610 
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   $4.8510 
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   $4.8700 
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   $4.8605 
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   $4.4950 
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   $4.8060 
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   $4.6505 
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   $4.1203 
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   $4.6938 
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   $4.6618 
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   $4.6685 
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   $4.6651 
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   $4.3423 
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   $4.6343 
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   $4.4883 
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   Avg. Rate 
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   $4.1203 
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   $4.6938 
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   $4.6651 
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   $4.4883 
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   Supply Low 
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   $3.7310 
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   Highest Week 
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   $4.6040 
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   $5.0610 
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   $5.0125 
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   $4.8880 
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