Riverstone Holdings, Kaiser Midstream Invest Up To $500 Million In Sage Midstream

Sage Midstream, LLC is partnering with investment funds affiliated with Riverstone Holdings LLC, an energy and power-focused private equity firm, and Kaiser Midstream, an oil and gas midstream services company owned by George B. Kaiser, to form a new company with up to $500 million of equity commitments. Sage will pursue natural gas liquids- related midstream opportunities in North America’s liquids-rich production plays.