144 0001252243 XXXXXXXX LIVE 0001493594 MACOM Technology Solutions Holdings, Inc. 001-35451 100 CHELMSFORD STREET LOWELL MA 01851 (978) 656-2500 OCAMPO SUSAN Director 10% Stockholder Common Stock Charles Schwab & Co, Inc.

3000 Schwab Way Westlake TX 76262

1500000 201735000.00 72191208 11/11/2024 Nasdaq Common 06/30/2009 Founders shares Issuer N 1500000 06/30/2009 Founders stock N Ocampo Family

C/O 100 Chelmsford Street Lowell MA 01851

Common 08/13/2024 1000000 106556239.50 Securities Sold During the Past 3 Months - see attachment late filling for trade on 11/11/24 due to EDGAR closure for veterans day 11/11/2024 Susan Ocampo