Diamondback Energy, an independent oil and natural gas company, completed the acquisition of the publicly held units of Rattler Midstream, an oil and gas company, for $600m. “The energy landscape has transformed dramatically since Rattler was taken public in 2019, and we believe this agreement to merge companies is in the best interests of both Diamondback and Rattler stakeholders. This merger will allow both companies to benefit from the simplicity and scale of the combined entity going forward," Travis Stice, Diamondback CEO.