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	Descriptionof relevantsecurities	Nature of dealings	Purchase /Sale	Totalnumberof sharesinvolved	Total amountpaid / received	Highest (H)prices paid/ received	Lowest (L)prices paid/ received
CICC CustomerTrading Limited	30 May2022	Other typesof securities(e.g. equityswaps)	Closing / flattening / unwinding ofproprietary positions arising fromunsolicited client-driven dealings. Iconfirm this was done no later thanthe close of the morning tradingsession on the trading day followingthe orginatingclient-driven dealing	Purchase	50,900	$1,970,046.0000	$38.6617	$38.6617

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Public Disclosure Form

		Ordinaryshares	Closing / flattening / unwinding ofproprietary positions arising fromunsolicited client-driven dealings. Iconfirm this was done no later thanthe close of the morning tradingsession on the trading day followingthe orginatingclient-driven dealing	Sale	50,900	$1,970,043.7800	$38.7042	$38.7042

End

Note:

CICC Customer Trading Limited is an exempt principal trader connected with the Offeror.

Dealings were made for its own account.

CICC Customer 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.