13D Filing: D. E. Shaw Composite Holdings, L.L.C. and Terraform Power Inc. (TERP)

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SIGNATURES

After reasonable inquiry and to the best of each of the undersigned’s
knowledge and belief, each of the undersigned, severally and not jointly, certifies that the information set forth in this statement
is true, complete and correct. Powers of Attorney, dated March 1, 2017, granted by David E. Shaw in favor of Nathan Thomas, are
attached hereto as Exhibits 2 and 3.

Dated: October 18, 2017

D. E. Shaw Composite Holdings, L.L.C.
By: /s/ Nathan Thomas
Nathan Thomas
Authorized Signatory
D. E. Shaw & Co., L.L.C.
By: /s/ Nathan Thomas
Nathan Thomas
Authorized Signatory
D. E. Shaw & Co., L.P.
By: /s/ Nathan Thomas
Nathan Thomas
Chief Compliance Officer
David E. Shaw
By: /s/ Nathan Thomas
Nathan Thomas
Attorney-in-Fact for David E. Shaw

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