Amendment #4 Page 867 of 868 Exhibit index number Lila« tleserbtbil 1.1' Form of Underwriting Agreement. 2.1 • Stoat( COnlibuten Ageernent by and among TerliFormGloted. Inc . SunEdison Inc. and the investors named therein 2.7 S1Ø Purchase Agreement between TerraForm Global Operating. L