10:07 BP-ALUCO@EC0504<04590> - Announcement The Stock Exchange of Hong Kong Limited (the "Stock Exchange" takes no res Notice of Expiry of Warrants issued by BNP Paribas Arbitrage Issuance B.V. (incorporated in the Netherlands with its statutory seat in Amsterdam) unconditionally and irrevocably guaranteed by BNP Paribas (incorporated in France) Sponsor/Manager Paribas Asia Equity Limited Notice of Expiry relating to the following warrants (together the Warrants Stock Code 4590 Company Aluminum Corporation of China Limited Shares Existing issued ordinary H shares of RMB1.00 each of the Company Type Call Issue Size 80,000,000 Expiry Date 15 April 2005 Exercise Price HK$5.80 per Warrant Board Lot 2,000 Warrants Entitlement One Share Exercise Amount One Warrant Last Trading Date 11 April 2005 Closing price of the Warrants as of 4 April 2005 HK$0.018 Closing price of the Shares as of 4 April 2005 HK$4.625 BNP Paribas Arbitrage Issuance B.V. (the "Issuer" would like to remind hol The Warrants are European Style and exercisable only on the Expiry Date. Every Exercise Amount gives the Warrantholder the right to payment (if any Entitlement x (Closing Price - Exercise Price) - Exercise Expense "Closing Price" means the arithmetic mean of the closing price of one Sha "Exercise Expenses" has the meaning given to it in the Conditions. If on the Expiry Date the Cash Settlement Amount is greater than zero then The Cash Settlement Amount shall be despatched no later than three Busines Regarding the dealings in and transfers and exercise of the Warrants, the Hong Kong, 6 April 2005