144 0001864881 XXXXXXXX LIVE 0001845257 LifeStance Health Group, Inc. 001-40478 4800 N. SCOTTSDALE ROAD SUITE 2500 SCOTTSDALE AZ 85251 602-767-2100 Bessler Robert Director Common Stock Fidelity Brokerage Services LLC

245 Summer Street Boston MA 02110

75000 565645.57 382640096 11/27/2024 NASDAQ Common 06/01/2017 Private Placement Vitthal gift Trust initially acquired shares then transferred to Vitthal LLC N 37500 06/01/2017 n/a Common 06/01/2017 Private Placement Shama gift Trust initially acquired shares then transferred to Shama LLC N 37500 06/01/2017 n/a Y shares are being sold from 37,5000 shares sold from SHAMA LLC/ Michele Marie Cannon and 37,500 shares sold from Vitthal LLC/ Robert Bessler 11/27/2024 08/25/2024 /s/ Audrey Skillern as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Robert Bessler