Hilcorp Affiliate to buy Williams assets in Basin

The system encompasses more than 3,700 miles of pipeline, two gas processing plants, and one CO2 treating facility in the counties of San Juan and Rio Arriba, New Mexico and La Plata, Colorado. It has an inlet gathering capacity of 1.8 billion cubic feet of gas per day.

From Harvest Midstream:

Today, Harvest Midstream Company, an affiliate of Hilcorp Energy
Company, announced the acquisition of the Four Corners Area assets from Williams Partners L.P. for
$1.125 billion.

“This is an important investment for Harvest and part of our continued commitment to the Four Corners
region. We believe this will be a significant economic benefit for the community,” said Jason Rebrook,
CEO of Harvest Midstream Company. “Our focus is on becoming the premier midstream services
provider in the San Juan by reliably serving all of our customers.”

The system encompasses more than 3,700 miles of pipeline, two gas processing plants, and one CO2
treating facility in the counties of San Juan and Rio Arriba, New Mexico and La Plata, Colorado. It has an
inlet gathering capacity of 1.8 billion cubic feet of gas per day.

“Harvest Midstream is a company committed to customer service and the safe, efficient and reliable
transportation of natural gas and oil,” said Sean Kolassa, President of Harvest Midstream Company. “We
are excited about the potential for growth in the region and the opportunity for increased investment
into this system in the future.”

The parties to this transaction expect to complete the sale of these assets within the next few months
pending various regulatory approvals.