Global investment firm Kohlberg Kravis Roberts & Co. (KKR) has agreed to sell its stake in Turkey-based ferry operator U.N. Ro-Ro Isletmeleri to private equity firms Esas Holding and Actera Group. The transaction amount is reported to be around EUR700 million (approximately US$936 million). KKR originally acquired a 97.6 percent stake in the company for EUR910 million (approximately US$1.2 billion) in 2007. The transaction is subject to regulatory approval.