CStone Pharmaceuticals — Director's Dealing 2022

May 26, 2022

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Public Disclosure Form

26 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	Party	Date	Description	Nature of dealings	Purchase /	Totalnumberof shares	Total amountpaid / received	Highest (H)prices paid/ received	Lowest (L)prices paid/ received
			of relevantsecurities		Sale
						involved
CT	ICC Financial	25 May	Other types	Client facilitation trades in ordinary	Purchase	12,000	$301,440.5100	$25.1200	$25.1200
	rading Limited	2022	of securitiesi	shares arising from wholly unsolicitedlii li
			(e.g. equtyswaps)	cent-drven orders by a centfacilitation desk which operates
				independently of the group'sproprietary trading desk. I confirmthe resultant proprietary positions (ifill b fld l h h
				any) w e attene no ater tan teclose of the morning trading session
				the next tradingday

Public Disclosure Form

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		Other typesof securities(e.g. equityswaps)	Client facilitation trades in ordinaryshares arising from wholly unsolicitedclient-driven orders by a clientfacilitation desk which operatesindependently of the group'sproprietary trading desk. I confirmthe resultant proprietary positions (ifany) will be flattened no later than theclose of the morning trading sessionthe next tradingday	Sale	12,000	$301,466.6000	$25.1222	$25.1222

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.