144 0001990064 XXXXXXXX LIVE 0001669811 Donnelley Financial Solutions, Inc. 001-37728 391 Steel Way Lancaster PA 17601 (800)-823-5304 Robert Kirk Williams Officer Common Bank of America

110 N Wacker Street Chicago IL 60606

9 500 25619983 03/03/2026 NYSE Common Janney Montgomery Scott

1717 Arch St Philadelphia PA 19103

2728 143000 25619983 03/03/2026 NYSE Common Instinet

309 West 49th Street New York NY 10019

1500 78000 25619983 03/03/2026 NYSE Common Instinet

309 West 49th Street New York NY 10019

7684 400000 25619983 03/04/2026 NYSE Common 03/02/2021 Stock Award Issuer N 2718 03/03/2026 Compensation Common 01/29/2021 Stock Award Issuer N 9 03/03/2026 Compensation Common 03/05/2021 Stock Award Issuer N 2116 03/03/2026 Compensation Common 03/02/2022 Stock Award Issuer N 3347 03/03/2026 Compensation Common 03/03/2022 Stock Award Issuer N 1615 03/03/2026 Compensation Common 03/05/2022 Stock Award Issuer N 2116 03/03/2026 Compensation Y 03/06/2026 /s/ Robert Kirk Williams