Notice to Participating

Organizations

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August 12, 2005 2005-028

Addition of Market On Close (MOC) Eligible Securities

Toronto Stock Exchange will roll out MOC eligibility to the symbols of the S&P/TSX Composite Index in preparation for the quarter end index rebalancing on September 16, 2005.

TSX will enable MOC eligibility in two phases:

I. S&P/TSX Mid Cap Index will become MOC eligible effective September 6, 2005. II. S&P/TSX Small Cap Index will become MOC eligible effective September 12, 2005.

A list of securities for each of these indices follows this notice. To ensure you are viewing the most current list of securities, please visit the Standard and Poor's website at www.standardandpoors.com prior to the above rollout dates.

“S&P” is a trade-mark owned by The McGraw-Hill, Companies Inc. and “TSX” is a trade- mark owned by TSX Inc.

MOC Eligible effective MOC Eligible effective September 6, 2005 September 12, 2005 S&P TSX Mid Cap S&P TSX Small Cap SYMBOL COMPANY SYMBOL COMPANY ABZ Aber Diamond Corporation AAC.NV.B Alliance Atlantis Communications Inc. ACM.NV.A Astral Media Inc. AAH Aastra Technologies Ltd. ACO.NV.X Atco Ltd. ACE.RV ACE Aviation Holdings Inc. AGE Agnico-Eagle Mines AEZ Aeterna Zentaris Inc. AGF.NV AGF Management Ltd. AGA Algoma Steel Inc. AIT Aliant Inc. ANP Angiotech Pharmaceuticals Inc. ATA ATS Automation Tooling Systems Inc. ATD.SV.B Alimentation Couche-Tard Inc. AXP Axcan Pharma Inc. AU.LV Agricore United BLD Inc. AUR Aur Resources Inc. BPO Brookfield Properties Corporation BGO Bema Gold Corporation CAE CAE Inc. BVI Blackrock Ventures Inc. CFP Corporation CAS Cascades Inc. CGS.SV Canwest Global Communications Corp. CBJ Cambior Inc. CIX C.I. Fund Management Inc. CCA.SV Cogeco Cable Inc. CJR.NV.B Corus Entertainment Inc. CCL.NV.B CCL Industries Inc. CMT Compton Petroleum Corporation CFW Calfrac Well Services Ltd. CUX Centurion Energy International Inc. CNI Canico Resource Corp. EMA Incorporated CRW Cinram International Inc. ESI Ensign Energy Services Inc. CRY Cryptologic Inc. FFH.SV Fairfax Financial Holdings Limited CU.NV Canadian Utilities Limited FLY.SV.A CHC Corp. CWB FSH.SV Four Seasons Hotels Inc. DDV Duvernay Oil Corp. FTT International Inc. DII.SV Dorel Industries Inc. G Inc. EFX Enerflex Systems Ltd. GIB.SV.A CGI Group Inc. ELD Corporation GLG Glamis Gold Ltd. EME Emergis Inc. GWO Great-West Lifeco Inc. EMP.NV.A Empire Company Ltd. HBC Hudson's Bay Company EXE.SV Extendicare Inc. Industrial Alliance Insurance and Financial IAG Services Inc. FCP First Calgary Petroleums Ltd. IGM IGM Financial Inc. FGL Forzani Group Ltd. IMG Iamgold Corporation FM Ltd. IPS Ipsco Inc. FNX FNX Company Inc. ITW Corporation FSV.SV FirstService Corporation KFS Kingsway Financial Services Inc. FTS Fortis Inc. MBT Manitoba Telecom Services Inc. GAC Geac Computer Corporation Ltd. MNG Meridian Gold Inc. GAM Gammon Lake Resources Inc. MRU.SV.A Metro Inc. GCD Great Canadian Gaming Corp. MX Corporation GIL Activewear Inc. NBD Norbord Inc. GNA Gerdau Ameristeel Corporation NKO Niko Resources Ltd. GSC Golden Star Resources Ltd. NS NorskeCanada GSI GSI Group Inc. OCX.SV Onex Corporation HCG Home Capital Group Inc. OTC Open Text Corporation HKY Husky Injection Molding Systems Ltd. PJC.SV.A Jean Coutu Group (PJC) Inc. (The) HUM Hummingbird Ltd. PKZ PetroKazakhstan Inc. IDB ID Biomedical Corporation

2 POW.SV Power Corporation Of IE Ivanhoe Energy Inc. PWF Power Financial Corporation IFP.SV.A International Forest Products Ltd. QBR.SV.B Quebecor Inc. IMN Inmet Mining Corporation QLT QLT Inc. ITP Intertape Polymer Group Inc. SBY Sobeys Inc. IVN Ivanhoe Mines Limited SCC Sears Canada Inc. KRY Crystallex International Corp. SHC Shell Canada Limited LB Laurentian Bank of Canada SNC SNC - Lavalin Group Inc. LIM Lionore Mining International Ltd. TBC Tembec Inc. LNR Linamar Corporation TCW Trican Well Service Ltd. MB Mega Bloks Inc. TER Terasen Inc. MDA MacDonald Dettwiler and Associates TS.NV.B Torstar Corporation MFI Maple Leaf Foods Inc. WJA WestJet Airlines Ltd. MFL Minefinders Corporation Ltd. WTO Western Oil Sands Inc. NB Northbridge Financial Corp. X TSX Group Inc. NG NovaGold Resources Inc. MOC Eligibility Enabled September 2, 2005 NGX Northgate Minerals Corporation NNO Northern Orion Resources Inc. NRM Neurochem Inc. NVA NuVista Enervy Ltd. OPC OPTI Canada Inc. PAA Pan American Silver Corp. POU Paramount Resources Ltd. PSI Pason Systems Inc. PTI Patheon Inc. RER Real Resources Inc. RET.NV.A Reitman's (Canada) Ltd. RNG Rio Narcea Gold Mines, Ltd. ROC Rothmans Inc. RON RONA Inc. RUS Russel Metals Inc. RYG Royal Group Technologies Limited S Sherritt International Corporation SAP Saputo Inc. SCL.SV.A ShawCor Ltd. SGB Stratos Global Corporation ST.SV.A St. Lawrence Cement Group Inc. SVY Savanna Energy Services Corp. SW Inc. SWG Southwestern Resources Corp. SWP Saskatchewan Wheat Pool Inc. TCL.SV.A Transcontinental Inc. TEO Tesco Corporation TIH Toromont Industries Ltd. TLC TLC Vision Corporation TRE Sino-Forest Corporation TRZ.B Transat A.T., Inc. TUN Tundra Semiconductor Corporation TVA.NV.B TVA Group Inc. UTS UTS Energy Corporation VAS Vasogen Inc.

3 VH.SV Van Houtte Inc. VN Vincor International Inc. WFT Co Ltd. WTC Western Silver Corporation YRI Yamana Gold Inc. ZEN Zenon Environmental Inc. MOC Eligibility Enabled September 9, 2005

Questions relating to this Notice should be directed to TSX Trading Services 416-947-4357

About TSX Group Inc. (TSX-X)

TSX Group Inc. (www.tsx.com) operates Canada's two largest national equities exchanges – serving the senior equity market and TSX Venture Exchange serving the public venture capital market. Combined, these exchanges rank as the 7th largest in the world in terms of domestic market capitalization. TSX Group's equities exchanges are world leaders in mining and energy listings and financing. Through its TSX Markets division, TSX Group conducts trading operations for both equities exchanges and delivers innovative trading products and services and through its TSX Datalinx division, it distributes and markets real time, historical and quotation data generated by TSX Group and other markets including equities and fixed income. Through its TSX Technologies division, TSX Group provides technology support for internal customers and provides services and expertise to external customers. TSX Group operates Natural Gas Exchange (NGX), a Canadian electronic energy exchange which trades and clears natural gas and electricity contracts. TSX Group is headquartered in Toronto and has offices in Montreal, Winnipeg, Calgary and .

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