News Releases HKEx Allocates Five-digit Stock Codes for New CBBC Listings ( 29 April 2008 ) First Batch of Derivative Warrants with Five-Digit Stock Codes Begin Trading 7 April ( 31 Mar 2008 ) HKEx Announces Details of its Five-Digit Stock Code Plan ( 23 Jan 2008 ) HKEx to Introduce Five-Digit Stock Codes on 7 April 2008 ( 8 Oct 2007 )

SEHK Participant Circulars First Batch of Callable Bull/Bear Contracts with Five-Digit Stock Codes and Chinese Short Names in a New Format ( 7 May 2008 ) First Batch of Derivative Warrants with Five-Digit Stock Codes Begin Trading on 7 April 2008 ( 31 Mar 2008 ) Second Market Rehearsal for Five-Digit Stock Codes on 15 March 2008 ( 10 Mar 2008 ) Attachment A - Activity Rundown for Five-Digit Sock Codes Market Rehearsal to be held on 15 March 2008 (Saturday) Attachment B - List of Test Securities with Five-Digit Stock Codes Created for Exchange Participants for Market Rehearsal to be held on 15 March 2008 Attachment C - Declaration of Readiness for Operating with Five-Digit Stock Codes - Market Rehearsal held on 15 March 2008 Seminars on Implementation of Five-Digit Stock Codes ( 5 Mar 2008 )   Appendix 1 - Enrolment Form for Seminars on Implementation of Five-Digit Stock Codes Market Rehearsal for Five-Digit Stock Codes to be Held on 23 February 2008 - Reminder ( 19 Feb 2008 ) Market Rehearsal for Five-Digit Stock Codes to be Held on 23 February 2008 ( 1 Feb 2008 )  Attachment A - Activity Rundown for Five-Digit Stock Code Market Rehearsal to be held on 23 February 2008 (Saturday) Attachment B - List of Test Securities with Five-Digit Stock Codes Created for Exchange Participants for Market Rehearsal to be held on 23 February 2008 Attachment C - Declaration of Readiness for Operating with Five-Digit Stock Codes Testing and Market Rehearsal Timetable for the Introduction of Five-Digit Stock Codes ( 20 Nov 2007 )

HKSCC Participant Circulars Rollout Date of Five-Digit Stock Codes ( 31 Mar 2008 ) Seminars on the Implementation of Five-Digit Stock Codes ( 5 Mar 2008 ) Market Rehearsal for the Implementation of Five-Digit Stock Codes ( 4 Feb 2008 ) Attachment I - Market Rehearsal (MR) CCASS Participant Information Package Participant Readiness for the Implementation of Five-Digit Stock Codes ( 16 Jan 2008 ) Introduction of Five-Digit Stock Codes ( 23 Nov 2007 ) Introduction of Five-Digit Stock Codes ( 23 Nov 2007 )

HKCC Participant Circulars Introduction of Five-Digit Stock Codes ( 15 Jan 2008 )

SEOCH Participant Circulars Introduction of Five-Digit Stock Codes ( 15 Jan 2008 )

Notices to Information Vendors Rollout of 5-Digit Stock Codes on 7 April 2008 (2 April 2008) Rundown for Post Release Test on 5 April 2008 (31 March 2008) Rundown for Market Rehearsal 2 on 15 March 2008 ( 11 Mar 2008 ) Rundown for Market Rehearsal 1 on 23 February 2008 ( 19 Feb 2008 ) Rundown for Vendor Test 2 on 16 February 2008 ( 12 Feb 2008 ) Test Schedule for IIS Vendors ( 6 Feb 2008 ) Rundown for Vendor Test 1 on 2 February 2008 ( 29 Jan 2008 ) Five-Digit Stock Code Plan ( 23 Jan 2008 ) Questionnaire on Vendors' Readiness for Five-Digit Stock Codes - for Direct Vendors ( 30 Nov 2007 ) Questionnaire on Vendors' Readiness for Five-Digit Stock Codes - for Indirect Vendors ( 30 Nov 2007 ) Updated Test Schedule for MDF Vendors ( 30 Nov 2007 ) Test Schedule for MDF Vendors ( 23 Nov 2007 ) Updated MDF Transmission Specification with clarification on supported number of digits for security code ( 15 Oct 2007 ) Introduction of Five-Digit Stock Codes ( 9 Oct 2007 )

Exchange Newsletter HKEx Prepares for Introduction of Five-digit Stock Codes ( Jan 2008 )

Presentation Materials Implementation of Five-Digit Stock Codes ( March 2008 )