07:31 AM EDT, 08/27/2025 (MT Newswires) -- MPLX ( MPLX ) said Wednesday that it signed a definitive deal to sell its Rockies gathering and processing assets to a Harvest Midstream subsidiary for $1 billion in cash, subject to customary purchase price adjustments.

The assets include natural gas gathering and transportation pipelines and a processing capacity of 1.2 billion cubic feet per day, MPLX ( MPLX ) said.

In addition to the sale, Harvest has "contractually agreed" to dedicate about 12,000 barrels per day of natural gas liquids from the assets to MPLX ( MPLX ) over a seven-year period starting 2028, after the expiration of a prior commitment, according to the statement.

MPLX ( MPLX ) said the transaction is expected to close in Q4.

Shares of MPLX ( MPLX ) were up more than 4% in recent premarket activity Wednesday.