X0306 4 2022-03-28 0 0001745041 IAA, Inc. IAA 0001536250 Healy Susan L. TWO WESTBROOK CORPORATE CENTER SUITE 500 WESTCHESTER IL 60154 0 1 0 0 Chief Financial Officer Common Stock 2022-03-28 4 A 0 10685 0.00 A 17248 D Represents a grant of restricted stock units that vest in three substantially equal annual installments beginning on the first anniversary of the grant date, subject to the Reporting Person's continued employment with the Issuer. Each restricted stock unit represents the right to receive one share of the Issuer's common stock. Susan L. Healy /s/ Sidney Peryar as attorney-in-fact 2022-03-30