CStone Pharmaceuticals — Director's Dealing 2022

May 31, 2022

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Public Disclosure Form

31 May 2022

Possible offer

Disclosure of dealings in the shares of Yankuang Energy Group Company Limited

The Executive received the following disclosure of securities dealings pursuant to Rule 22 of the Hong Kong Code on Takeovers and Mergers:

Party	Date	Description of relevant securities	Nature of dealings	Purchase / Sale	Total number of shares involved	Total amount paid / received	Highest (H) prices paid / received	Lowest (L) prices paid / received
CICC Financial Trading Limited	30 May 2022	Other types of securities (e.g. equity swaps)	Closing / flattening / unwinding of proprietary positions arising from unsolicited client-driven dealings. I confirm this was done no later than the close of the morning trading session on the trading day following the orginatingclient-driven dealing	Sale	50,900	$1,972,208.2700	$38.7467	$38.7467

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Public Disclosure Form

		Other types of securities (e.g. equity swaps)	Closing / flattening / unwinding of proprietary positions arising from unsolicited client-driven dealings. I confirm this was done no later than the close of the morning trading session on the trading day following the orginatingclient-driven dealing	Purchase	50,900	$1,967,600.9300	$38.6562	$38.6562
		Ordinary shares	Closing / flattening / unwinding of proprietary positions arising from unsolicited client-driven dealings. I confirm this was done no later than the close of the morning trading session on the trading day following the orginatingclient-driven dealing	Purchase	4,100	$159,353.0000	$38.9000	$38.8100

End

Note:

CICC Financial Trading Limited is an exempt principal trader connected with the Offeror. Dealings were made for its own account.

CICC Financial Trading Limited is ultimately owned by China International Capital Corporation Limited.

The shares reported refer to A shares of Yankuang Energy Group Company Limited (600188.SH), and price per unit is in RMB.