ot bwestrrent Ageerrent by ard between TerraForm Gobs. Inc. and SurEcbson. Inc 10 13' Unit Purchase Agreement dated as of May 6, 2015, by and among TerraForm Gebel LLC and the purchasers named therein 1014• Regalia on Rigrts Agreement dated n of May 6, 2015, by and among TaraForrn Gbbal, LLC arid the investors nam