Stonepeak Partners LP and pipeline operator Targa Resources Corp. (NYSE:TRGP) are exploring a sale of their 25% stake in the Gulf Coast Express Pipeline LLC natural gas pipeline for more than $750 million, people familiar with the matter said on November 15, 2021. Stonepeak and Targa Resources have hired an investment bank to sell Targa GCX Pipeline LLC, the company that owns the stake in the Gulf Coast Express Pipeline LLC, the sources said. Stonepeak owns 80% of Targa GCX Pipeline and Targa Resources owns the remainder. The sources cautioned that no deal is certain and asked not to be identified because the matter is confidential. Stonepeak declined to comment, Targa did not respond to a comment request.