X0306 4 2020-10-19 0 0001820721 Array Technologies, Inc. ARRY 0001827786 Creasy Lucas D. 3901 MIDWAY PLACE NE ALBUQUERQUE NM 87109 0 1 0 0 Chief Technology Officer Common Stock, par value $0.001 per share 2020-10-19 4 P 0 19191 22.00 A 19191 D Restricted Stock Units 2020-10-19 4 A 0 6397 0.00 A Common Stock, par value $0.001 per share 6397 6397 D Represents common stock acquired in connection with Mr. Creasy's reinvestment of his after-tax value distributions received in respect of his vested Class B Common Units in ATI Investment Parent, LLC in connection with the initial public offering of Array Technologies, Inc.'s common stock, which closed on October 19, 2020. These shares of common stock were purchased at the public offering price of $22.00 per share. Represents restricted stock units which will vest in three equal annual installments beginning on the first anniversary of October 19, 2020. /s/ Charlotte MacVane, as Attorney-in-Fact for Lucas Creasy 2020-10-19