Celanese, a Fortune 500 global technology and specialty materials company, completed the acquisition of the Santoprene unit of ExxonMobil, one of the largest publicly traded international energy companies, for $1.15bn. “We are excited to welcome the Santoprene team to Celanese. They have built an industry-renowned brand and product portfolio in the Santoprene™ business that will immediately strengthen the unrivaled portfolio of engineered solutions we bring to our customers. We look forward to the partnership of our commercial and technical teams to take a wider range of Engineered Materials’ solutions into targeted growth areas that will generate meaningful shareholder value," Lori Ryerkerk, Celanese Chairman and CEO.