144 0001671507 XXXXXXXX LIVE 0001819994 Rocket Lab Corp 001-39560 3881 MCGOWEN STREET LONG BEACH CA 90808 714-465-5737 Kampani Arjun Officer Common Fidelity Brokerage Services LLC

245 Summer Street Boston MA 02110

9100 1364971.88 578750990 05/27/2026 NASDAQ Common 08/22/2023 Stock Award Issuer N 9100 08/22/2023 Compensation N Arjun L. Kampani

3881 MCGOWEN STREET LONG BEACH CA 90808

Rocket Lab Corp 03/02/2026 28761 2001474.42 Arjun L. Kampani

3881 MCGOWEN STREET LONG BEACH CA 90808

Rocket Lab Corp 03/04/2026 23711 1662852.43 05/27/2026 /s/ Christian Nasser as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Arjun Kampani