CERTIFICATE OF ANALYSIS

Product: Hole Transport Polymer ADS254BE

Chemical Name: Poly(N,N’-bis(4-butylphenyl)-N,N’-bis(phenyl)benzidine)

Chemical Structure:

N

C4H9

* n *

CAS #: N/A

Lot #: 17I014A1

Date: October 06th, 2017

Appearance: Light Yellow Fibers

Molecular Weight, Mw (GPC): 49 000 (PS Standards)

Polydispersity: 3.6

UV-Vis (max Absorption) : 374 nm (THF)

Photoluminescence (max Emission): 432 nm (THF)

Metal Content (Pd) : < 81 ppm

Volatile Moisture Balance (TGA): < 1%