2010
26 Feb Date of Board Meeting
17 Feb Next Day Disclosure Return
10 Feb Grant of Share Options
31 Jan Monthly Return
24 Jan Extension of the Placing Period in respect of Placing of Shares in Vision Tech International Holdings Limited
4 Jan Monthly Return of Equity Issuer on Movements in Securities

2009
31 Dec Appointment of Executive Director
23 Dec Extension of the Placing Period in respect of Placing of Share in Vision Tech International Holdings Limited
18 Dec Announcement of Poll Results of the Special General Meeting Held on 18 December 2009
17 Dec Next Day Disclosure Return - Change in Issued Share Capital
8 Dec Next Day Disclosure Return - Change in Issued Share Capital
4 Dec Announcement
3 Dec Poll Results of the Special General Meeting Held on 3 December
3 Dec Form of Proxy for Use at the Special General Meeting of EPI (Holdings) Limited to be Held on Friday, 18 December 2009
3 Dec Major Transaction in Relatioin to Disposal of Interets in Qingyuan JCCL EPI Copper Limited
3 Dec Notice of Special General Meeting
2 Dec Monthly Return of Equity Issuer on Movements in Securities
23 Nov Announcement
19 Nov Next Day Disclosure Return
19 Nov Major Transaction in Relatioin to Disposal of Interets in Qingyuan JCCL EPI Copper Limited
15 Nov Form of Proxy for Use at the Special General Meeting of EPI (Holdings) Limited to be Held on Thursday, 3 December 2009
15 Nov (I) Refreshement of General Mandate; (II) Proposed Grant of Repurchase Mandate; and (III) Refreshment of Scheme Mandate Limit
15 Nov Notice of Special General Meeting
3 Nov Monthly Returns
3 Nov Next Day Disclosure Return - Change in Issued Share Capital
3 Nov Completion of a Very Substantial Acquisition
1 Nov Appointment of Independent Non-Executive Director
28 Oct Results of Special General Meeting
23 Oct Next Day Disclosure Return - Change in Issued Share Capital
23 Oct Completion of Placing of Existing Shares and Subscription of New Shares Under General Mandate
15 Oct Placing of Existing Shares and Subscription of New Shares Under General Mandate and Resumption of Trading
8 Oct Form of Proxy for Use at The Special General Meeting of EPI (Holdings) Limited to Be Held on Wednesday, 28 October 2009
8 Oct Very Substantial Acquisition and Proposed Increase in Authorised Share Capital
8 Oct Notice of Special General Meeting
6 Oct Monthly Returns
14 Sept Delay in Despatch of Circular
7 Sept Resignation of Executive Director
4 Sept Resignation of Independent Non-executive Director
2 Sept Monthly Return of Equity Issuer on Movements in Securities
28 Aug Next Day Disclosure Return
26 Aug Very Substantial Acquisition;Proposed Increase in Authorised Share Capital; and Resumption of Trading
25 Aug Announcement of Poll Result of the Special General Meeting Held on 24 August 2009
21 Aug Exercise of Options
20 Aug Suspension of Trading
17 Aug Interim Results Announcement for the Six Months Ended 30 June 2009
13 Aug Positive Profit Alert
7 Aug Notice of Special General Meeting
7 Aug Major Transaction in Relation to the Placing of Shares in Vision Tech International Holdings Limited
7 Aug Form of Proxy for Use at the Special General Meeting of EPI (Holdings) Limited to be Held on Monday, 24 August 2009
5 Aug Date of Board Meeting
31 Jul Major Transaction in Relation to the Placing of Shares in Vision Tech International Holdinges Limited Delay in Despatch of Circular
29 Jul (i) Heads of Agreement in Relation to a Possible Acquisition of 51% Operating Interests in Oilfield in Argentina; (ii) Unusual Price and Trading Volume Movements; and (iii) Resumption of Trading
28 Jul Major Transaction in Relation to Supplemental Placing Agreement Regarding the Placing if Shares in Vision Tech International Holdings Limited
13 Jul Possible Very Substantial Disposal in Relation to Placing of Shares in Vision Tech International Holdings Limited
7 Jul Announcement of Poll Results of the Annual General Meeting Held on 06 July 2009
7 Jul Monthly Return of Equity Issuer on Movements in Securities
19 Jun Discloseable Transaction in Relation to Placing of Existing Shares and Top-Up Subscription for New Shares in Vision Tech International Holdings Limited
18 Jun Exercise of Options
12 Jun Form of Proxy for Use at The Annual Genreal Meeting of EPI (Holdings) Limited to Be Held on 6 July 2009
12 Jun Notice of Annual General Meeting
12 Jun Notice of Annual General Meeting - Proposals for Re-election of Retiring Directors, General Mandates to Issue Shares and to Repurcjase Shares, Extension of General Mandate to Issue Shares
3 Jun Monthly Return of Equity Issuer on Movements in Securities
29 May Discloseable Transaction in Relation to Placing of Shares in Vision Tech International Holdings Limited
25 May Exercise of Options
25 May Exercise of Options
19 May Discloseable Transaction in Relation to Placing of Shares and Options Over Shares in Vision Tech International Holdings Limited
23 Apr Annual Results Announcement for the Year Ended 31 December 2008
15 Apr Profit Warning
9 Apr Date of Board Meeting
12 Mar Major and Connected Transaction in Relation to the Cooperation Agreement
3 Mar Monthly Return of Equity Issuer on Movements in Securities
5 Feb Monthly Return of Equity Issuer on Movements in Securities
5 Jan Unusual Price and Trading Volume Movements

2008
31 Dec Delay in Despatch of Circular and Update of Information Relating to Major and Connected Transaction in Relation to the Cooperation Agreement
11 Dec Major and Connected Transaction in Relation to the Cooperation Agreement
01 Dec Unusual Price and Trading Volume Movements
04 Nov Unusual Price Movements
24 Sep Interim Results Announcement for the Six Months Ended 30 June 2008
19 Sep Appointment of Independent Non-Executive Director
17 Sep Voting Result of the Special General Meeting Held on 17 September 2008
1 Sep Notice of the Special General Meeting
1 Sep Discloseable and Connected Transaction in Relation to Acquisition of Further Interest in Qingyuan Jccl Epi Copper Limited
1 Sep Form of Proxy for Use at the Special General Meeting of Epi (Holdings) Limited to be Held on 17 September 2008
11 Aug Discloseable and Connected Transaction in Relation to Acquisition of Further Interest in Qingyuan Jccl Epi Copper Limited
20 Jun Retirement of Independent Non-Executive Director
20 Jun Announcement of Poll Results of The Annual General Meeting Held on 20 June 2008
23 May Form of Proxy for Use at the Annual General Meeting of EPI (Holdings) Limited to Be Held on 20 June 2008
23 May Proposals for Re-election of Retiring Directors, General Mandates to Issue Shares and to Repurchase Shares, Refreshing of 10% Limit on Grant of Options Under the Share Option Scheme
23 May Notice of Annual General Meeting
23 Apr Annual Results Announcement for The Year Ended 31 December 2007
25 Feb Unusual Price and Trading Volume Movements
18 Jan Form of Share Buyback Report to The Stock Exchange of Hong Kong Limited ("the Exchange")
17 Jan Form of Share Buyback Report to The Stock Exchange of Hong Kong Limited ("the Exchange")
10 Jan Change of Auditors

2007
28 Dec Extension of Long Stop Date
23 Oct Unusual Price and Trading Volume Movements
19 Sep Interim Dividend for the Six Months Ended 30 June 2007 Closure of Register of Members
19 Sep Interim Results Announcement for the Six Months Ended 30 June 2007
18 Sep Interim Results Announcement for the Six Months Ended 30 June 2007
6 Sep Date of Board Meeting
23 Aug Unusual Price and Trading Volume Movements
13 Jul Unusual Price and Trading Volume Movements
9 Jul Unusual Price and Trading Volume Movements
29 Jun Announcement of Poll Results of the Annual General Meeting Held on 29 June 2007
29 Jun Discloseable Transaction Proposed Capital Reorganisation Proposed Subscription for New Shares Whitewash Waiver Application Connected Transaction Loans Settlement and Placing of New Shares
28 Jun Completion of Placing of Existing Shares and Issue of Warrants and Subscription for New Shares
28 Jun Discloseable Transaction in Relation to Subscription of New Shares in Vision Tech International Holdings Limited
14 Jun Placing of Existing Shares and Issue of Warrants and Subscription for New Shares and Resumption of Trading
22 May Proposed investment in a Joint Venture Company and Resumption of Trading
3 Apr Discloseable Transaction in Relation to Acquisition of a Factory in the PRC Through Qingyuan JCCL EPI Copper Limited
8 Mar Change of Principal Place of Business in Hong Kong
2006
29 Dec Supplemental Agreement to the JV Agreement
19 Dec Completion of the Placing of Existing Shares and Top-up Subscription for New Shares
5 Dec Placing of Existing Shares and Top-up Subscription for New Shares and Resumption of Trading
27 Nov Major Transaction in Relation to formation of a Joint Venture Company with Jiangxi Copper and Cytd and Resumption of Trading
19 Oct Change of Company Name
29 Sep Great Wall Cybertech Limited - Resumption of Trading
20 Sep Completion of Restructuring Agreement
1 Sep Dispatch of Open Offer Prospectus
17 Jul Creditors Meeting Approving the Creditors' Scheme
26 Jun Special General Meeting Approving the Restructuring Proposal
29 May Dispatch of Restructuring Proposal Involving Capital Reorganisation, Subscription, Creditors' Schemes, Open Offer, Placing, Group Reorganisation, and Application for Whitewash Waiver and Renewal of General Mandates
21 Apr Restructuring Agreement Signed Between the Company, PL and Climax

2005
26 Sep Conditional Approval for Restructuring Proposal Granted by Stock Exchange Review Committee

2004
4 Jun Escrow and Exclusivity Agreement Signed with Climax Associates Ltd. (Climax)

2003
21 Jun Appointment of Provisional Liquidator (PL)
24 Mar Trade Suspension Date