144 0001908639 XXXXXXXX LIVE 0001811216 Baosheng Media Group Holdings Ltd 001-39977 EAST FLOOR 5, BUILDING NO. 8 XISHANHUI SHIJINGSHAN DISTRICT BEIJING F4 100041 (86) 010-82088021 PBCY Investment Ltd 10% Stockholder Ordinary Shares Tiger Brokers (Singappre) Pte. Ltd.

1 Raffles Place, #35-61, One Raffles Place Tower 2 Singapore U0 048616

57561 116273.22 1534487 05/12/2025 NASDAQ Ordinary Shares 12/04/2018 Through a merger or acquisition Baosheng Media Group Holdings Limited N 156250 12/04/2018 Cash Y PBCY Investment Limited expects to sell shares from May 12, 2025, to June 30, 2025. 05/12/2025 Dandan Wu as a duly authorized representative of Tiger Brokers (Singapore) Pte. Ltd. as attorney-in-fact for client PBCY Investment Limited.