Price Index Reference

SYMBOL	SHORT NAME	NAME	REGION	PUBLISHER
IGBCD21	GD-MP-ONEOK	ONEOK, Okla	Oklahoma	Platts

The subscription to each index renews on an annual basis and will continue until further notice. In the event a price is not published for a specific point and the index-based formula cannot be computed, the pipeline company will invoice the release according to NAESB 5.2.5.