8/31/2023

Spot Price Calculations for August

Rover - Based on Gas Daily

Gas Daily - Weekly Weighted Average Prices

Supply Zone

Mainline Zone

Market Zone N

Market Zone S

Eastern Gas, North

Chicago, City Gates

Dawn, Ontario

Mich Con City-Gate

Weekly Average

Columbia Gulf, Mainline

Trunkline, Zone 1A

Weekly Average

8/7/2023

$1.1250

$2.2590

$2.2220

$2.2140

$2.2180

$2.2270

$2.2140

$2.2205

8/14/2023

$1.1530

$2.4060

$2.3610

$2.3640

$2.3625

$2.3170

$2.3420

$2.3295

8/21/2023

$1.2130

$2.4560

$2.3800

$2.4030

$2.3915

$2.3320

$2.3500

$2.3410

8/28/2023

$1.1190

$2.3140

$2.2690

$2.2470

$2.2580

$2.2460

$2.2510

$2.2485

$1.1525

$2.3588

$2.3080

$2.3070

$2.2805

$2.2893

Avg. Rate

$1.1525

$2.3588

$2.3075

$2.2849

Supply Low

$1.1190

Highest Week

$1.2130

$2.4560

$2.3915

$2.3410