<PAGE> 1
Exhibit 21
UBS GROUP COMPANIES OVERVIEW
( [Active] = 1 AND [UBS %] >= 25)
[Registered Name]
ASC, [UBS %] ASC
934
<TABLE>
<CAPTION>
Registered Name Country of Incorp.
<S> <C>
1061 Riverside Avenue Corporation Delaware
10880 Property Corporation Delaware
10960 Property Corporation Delaware
1999 Property Corp United States of America
1FA Information (ITC) Limited United Kingdom
222 Corporation New York
2FA Information Ltd United Kingdom
3550 North Central Corporation Delaware
Adepot Nominees Pty Limited Australia
AG zum Storchen Switzerland
AGL Instalment Warrant Trusts Australia
Akroyd & Smithers PLC United Kingdom
Aktiengesellschaft Bellevue Switzerland
Aktiengesellschaft zur Verwaltung von Immobilien und Beteiligungen Switzerland
Al Masaken 1 Limited Cayman Islands
Alamos Canyon Co New York
Alexandra-Invest Russia
Algachem AG (in Liq.) Switzerland
Alkahest GmbH Germany
Allegis Capital LLC Delaware
American Sports Products Group United States of America
Anstalt ALKOR Lichtenstein
Anstalt HILKO Lichtenstein
Apollo Nominees Ltd United Kingdom
Aquarius International BV Netherlands
Arcade Investments Sarl France
Ardial SA France
Argosa Corp Inc Bahamas
ARI Acquisition Corporation Massachusetts
Armand von Ernst & Cie AG Switzerland
Ausbildungszentrum Schloss Wolfsberg AG Switzerland
Autobahn-Raststatte Basel-Nord AG Switzerland
Aventic AG Switzerland
Aviation Management United States of America
Bahnhof-Parking Aarau AG Switzerland
Baltos Service AG Switzerland
Banco UBS Warburg SA Brazil
Banco UBS Warburg SA Branch Sao Paulo Brazil
Bank Ehinger & Cie AG Switzerland
Banque Ferrier Lullin (Luxembourg) SA Luxembourg
Barbican Managers (Jersey) Limited Jersey, Channel Islands
Basel Holdings Limited Bahamas
Bau und Finanz AG Lyss Switzerland
Baugesellschaft Blatten Switzerland
BDL Banco di Lugano Switzerland
BDL Banco di Lugano Branch Jersey Jersey, Channel Islands
Beau-Site AG Switzerland
</TABLE>
<PAGE> 2
<TABLE>
<S> <C>
Bedouble Nominees Pty Limited New Zealand
Bellaplast Holding AG Switzerland
Bellevue-Bau AG Switzerland
Beskid AG Switzerland
Betunad AG Beteiligungen und Administrationen Switzerland
Bielloni Castello SpA Italy
Big Sky Ranch Co New York
BIW Finanz und Beteiligungs AG (in Liq.) Switzerland
Bleckman Group BV Netherlands
BLI Bahnhof Luzern Immobilien AG Switzerland
bondweb taxi Pty Limited Australia
Brazzoli SpA Italy
Brigham Services Limited Cyprus
Brinson Equity Market Neutral Fund Ltd Cayman Islands
Brinson Partners Inc Delaware
Brinson Trust Company Illinois
Brinson Venture Management LLC Delaware
Brispot Nominees Pty Limited Australia
British Industrial Corporation Ltd United Kingdom
Bronte International SA Virgin Islands
Brunswick UBS Warburg (Cyprus) Limited Cyprus
Brunswick UBS Warburg (Russia) Limited Cyprus
Brunswick UBS Warburg Corporate Finance (Cyprus) Limited Cyprus
Brunswick UBS Warburg Ltd Cayman Islands
Budget Rent a Car Netherlands
Burgenstock-Hotels Switzerland
Burgschaftsgesellschaft der Ersparniskasse Langenthal Switzerland
Buttle Wilson & Co Limited New Zealand
BW Nominees Limited New Zealand
Canalside Limited Cayman Islands
Cantrade Corporate Directors Limited Virgin Islands
Cantrade Fund Management Company SA Luxembourg
Cantrade London Limited United Kingdom
Cantrade Nominees Limited Jersey, Channel Islands
Cantrade Participations Ltd Jersey, Channel Islands
Cantrade Privatbank AG Switzerland
Cantrade Private Bank Switzerland (CI) Limited Jersey, Channel Islands
Cantrade Properties Limited Jersey, Channel Islands
Cantrade Trust Company (Cayman) Limited Cayman Islands
Cantrade Trustee AG Switzerland
Canven (CI) Limited Jersey, Channel Islands
Canven V Limited Jersey, Channel Islands
CapVis (CI) Limited Jersey, Channel Islands
CapVis Equity Partners AG Switzerland
Carlton AG Davos Switzerland
CarPark Carolina Sweden
Catena SA (in Liq.) Switzerland
Catton Securities Limited United Kingdom
CBA Instalment Warrant Trust Australia
CBP Resources United States of America
Cellere AG Switzerland
CFS Holdings BV Netherlands
</TABLE>
<PAGE> 3
<TABLE>
<S> <C>
CFS Holdings NV Netherlands
Chakwal Cement Company Ltd Pakistan
Chateau Caravans Beheer BV Netherlands
Chemet Corporation United States of America
Chesspot Nominees Pty Limited Australia
Chubs Financial Services Ltd Virgin Islands
Cielo Grande Corporation Delaware
City Bau SA Switzerland
Clinique Cecil SA Switzerland
CLS Corporate Language Services AG Switzerland
Commercial Services Corporation - Coseco Switzerland
Communications Supply Corp United States of America
Compagnie Transmaritime d'Investissements SA Luxembourg
Convenience Food Systems Netherlands
Corpboard Ltd Virgin Islands
Corsair Investments Ltd United Kingdom
Credit de la Bourse SA France
Credit Industriel SA Switzerland
Dalgland Nominees (Pty) Ltd South Africa
Debenture Nominees Pty Limited New Zealand
Debonaire Pty Limited Australia
Dental-Finanzvermittlungs GmbH Germany
Digital Network Services Germany
Dillon Read Development Inc New York
Dillon Read Inc Delaware
Dillon Read Limited Maryland
DMA SA Switzerland
Dolbech Investments Pty Ltd Australia
Doveriya Holdings Cyprus
DR (Bermuda) Associates Ltd Bermuda
DR Structured Finance Corp Delaware
Drei Linden AG Solothurn Switzerland
DRMC Inc Delaware
EIBA "Eidgenossische Bank" Beteiligungs- und Finanzgesellschaft Switzerland
Eisberg Finance Ltd Cayman Islands
Electronic Broking Services Limited United Kingdom
Elena-Invest Russia
Eltub Nominees Limited New Zealand
Equity Participation Investment Trust Australia
Esselsee SA Switzerland
Eurofides France
Factors AG Switzerland
Far East Investments Limited United Kingdom
FC Basel Marketing AG Switzerland
Fenborough Services Limited Virgin Islands
Fenway Services Limited Cyprus
Ferrier Lullin & Cie SA Switzerland
Ferrier Lullin Bank & Trust (Bahamas) Limited Bahamas
Ferrier Lullin Cayman Bank & Trust Cayman Islands
Ferrier Lullin International Inc Panama
Ferrier Lullin Trust Management SA Switzerland
Ferrier Lullin Trustees (Jersey) Limited Jersey, Channel Islands
</TABLE>
<PAGE> 4
<TABLE>
<S> <C>
Fiduciaria e Administradora Fidam Ltda Brazil
Financiera Swiss Corporation Panama
First Africa Group Holdings (Pty) Ltd South Africa
First Directorships Limited, Bahamas Bahamas
First Directorships Limited, Cayman Islands Cayman Islands
Firtown International Holdings Ltd Cayman Islands
FL Pacific Ltd Hong Kong (China)
FL Trust Switzerland Management Company Luxembourg
Frankfurter Munzhandlung GmbH Germany
Freddo Argentina
FSG Swiss Financial Services Group AG Switzerland
GAM (Bermuda) Limited Bermuda
GAM Administration Limited Isle of Man
GAM Anlagefonds AG Switzerland
GAM Corporate Trustee AG Switzerland
GAM Distribution Limited Bermuda
GAM Emerging Markets Limited Bermuda
GAM Fonds Marketing GmbH Germany
GAM Fund Management Limited Ireland
GAM Fund Managers (Isle of Man) Limited Isle of Man
GAM Funding Inc Delaware
GAM International Management Limited United Kingdom
GAM Investments Inc Delaware
GAM Services Inc Delaware
GAM Sterling Management Limited United Kingdom
GAMadmin BV Netherlands
Gams Holding SA Switzerland
Gateway Land Corporation Connecticut
Gebefina AG Switzerland
General Secretaries Ltd Cayman Islands
Genossenschaft Alterswohnheim Weiherwies Grub AR Switzerland
Genval SA Switzerland
Gesepart Switzerland
Giubergia UBS Warburg Ltd United Kingdom
Giubergia UBS Warburg SIM SpA Italy
Global Asset Management (Asia) Limted Bermuda
Global Asset Management (Australia) Limited Australia
Global Asset Management (HK) Limited Hong Kong (China)
Global Asset Management (Institutional) Limited United Kingdom
Global Asset Management (NZ) Limited New Zealand
Global Asset Management (Singapore) Pte Limited Singapore
Global Asset Management (UK) Limited United Kingdom
Global Asset Management (USA) Inc Delaware
Global Asset Management do Brasil Ltda Brazil
Global Asset Management GAM (Schweiz) AG Switzerland
Global Asset Management GAM Sarl Luxembourg
Global Asset Management Kabushiki Kaisha Japan
Global Asset Management Limited, Bermuda Bermuda
Global Asset Management Limited, London United Kingdom
Global Asset Management Ltd Branch Kuwait Kuwait
Global Asset Management Ltd Branch Zurich Switzerland
Global Asset Management Trust Company Limited Virgin Islands
</TABLE>
<PAGE> 5
<TABLE>
<S> <C>
Global Financial Management Limited United Kingdom
Globulus Holding AG Switzerland
Gontor SA Switzerland
Gouldsworth Holdings Limited Virgin Islands
Gracebury Securitisation Limited United Kingdom
Greenpark Management NV Netherlands Antilles
Grossenbacher Unternehmungen AG Switzerland
Gubelhang AG (in Liq.) Switzerland
H2 Caravans Group NV Belgium
H2 Equity Partners BV Netherlands
H2 Invest 7 Netherlands
Harbour Fiduciary Services Limited Bermuda
Harbour International Trust Company (Bermuda) Limited Bermuda
Haussmann Investments Sarl France
High Timber Nominees Ltd United Kingdom
Himmoba AG Switzerland
Hirslanden-Gruppe AG Switzerland
Hirslanden-Gruppe Management AG Switzerland
Hirslanden-Gruppe Services AG Switzerland
Holdkap AG Switzerland
Hotel Seepark AG Switzerland
Hunchbuy Ltd United Kingdom
Iberchem Holding SA Switzerland
ICP Associates GP Florida
ICP1 Inc Florida
ICP2 Inc Florida
IFINA AG Lichtenstein
IGI Calzature e Tecnologie SpA Italy
IL Immobilien-Leasing AG Switzerland
Imka Immobilien AG Switzerland
Immobilien Zofingen AG Switzerland
Implicit Corporation Delaware
IMPRIS AG Switzerland
Indelec Holding (USA) Inc Delaware
Indelec Holding AG Switzerland
Independent Fund Managers (Isle of Man) Limited Isle of Man
InduInvest AG Switzerland
Innkraftwerke AG Switzerland
Intersuis SA Administadora y Comercial Argentina
Intrag Switzerland
Investholding AG Switzerland
Investmentplan AG (in Liq.) Switzerland
ITK Trust Company Limited Bahamas
Kapar Pty Limited Australia
Kapvalor AG Switzerland
Key Mandates Limited Jersey, Channel Islands
Kilala SA Switzerland
Kingline Pty Ltd Australia
Kintyre Corp Panama
Kip Caravans BV Netherlands
Kipling group Belgium
Klinik "Im Park" AG Switzerland
</TABLE>
<PAGE> 6
<TABLE>
<S> <C>
Klinik "Permanence" AG Switzerland
Klinik Hirslanden AG Switzerland
Landmark Holdings Inc Delaware
Landmark Holdings LLC Delaware
Leatitia AG Switzerland
Leoram Limited Cyprus
LIMCO Cayman Limited Cayman Islands
Lockmay Pty Limited Australia
Long-Term India Investment Fund Limited Mauritius
Lorag AG Switzerland
Luxor Aktiengesellschaft Zurich Switzerland
Lynch Pin Holdings Limited Virgin Islands
Mando Climate South Korea
Manidi SA Switzerland
Meadowglade Ltd Jersey, Channel Islands
Melfast Nominees Pty Limited Australia
Melnew Nominees Pty Limited Australia
Metalor Contacts France SA France
Metalor Dental Products Ltd United Kingdom
Metalor Dental USA Corp United States of America
Metalor Iberica SA Spain
Metalor Limited United Kingdom
Metalor USA Holding Corporation United States of America
Metalor USA Refining Corporation United States of America
Metaux Precieux Far East Ltd Hong Kong (China)
Metaux Precieux METALOR Deutschland GmbH Germany
Metaux Precieux SA METALOR Switzerland
Milln & Robinson Nominees Ltd United Kingdom
Mister Minit Holdings NV Netherlands
Mixlink Limited United Kingdom
MK Electron Co Ltd South Korea
Monds Pty Limited Australia
Motor-Columbus AG Switzerland
Nigel Stewart & Associates Pty Limited Australia
NMS SA Switzerland
North Street Consumer Phone Services LLC Delaware
NS Secretaries Limited Jersey, Channel Islands
NURESTRA SA Switzerland
NYRE Holding Corp Delaware
Ocho Property Corporation Delaware
Office Genevois de Cautionnement Mutuel pour Commercants et Artisans Switzerland
Oleoduc du Rhone SA Switzerland
Omega International Corporation Bahamas
Opera Pecunia Pension Plan Inc Bahamas
Opera Pecunia SA Panama
Opportunity GAM Limited Bermuda
Oracle Fund Ltd Bahamas
Orica Instalment Warrant Trust Australia
Pallas Leasing GmbH Germany
Pan Nominees Ltd United Kingdom
Panserve Ltd Virgin Islands
Pantera AG Switzerland
</TABLE>
<PAGE> 7
<TABLE>
<S> <C>
Papierfabrik Zwingen AG Switzerland
Parha Immobilien AG (in Liq.) Switzerland
Paris (ACT) Limited Australia
Paris No. 1 Limited Australia
Paris No. 2 Limited Australia
Pasternak Holdings Limited Cyprus
PDFM Limited United Kingdom
PDFM Ventures Limited United Kingdom
Pensionskasse der UBS Switzerland
Phildrew Nominees Limited United Kingdom
Phildrew Ventures Partnership United Kingdom
Phillips & Drew (Australia) Ltd Australia
Phillips & Drew Client Services Limited United Kingdom
Phillips & Drew Fund Management Limited United Kingdom
Phillips & Drew Holding Limited United Kingdom
Phillips & Drew International Investment Inc New York
Phillips & Drew International Investment Limited United Kingdom
Phillips & Drew Life Limited United Kingdom
Phillips & Drew Limited United Kingdom
Phillips & Drew Unit Managers Limited United Kingdom
Pinus AG Switzerland
PL Services SA France
Potter Australia Pty Limited Australia
Potter Warburg Cash Management Limited Australia
Potter Warburg Clearing Pty Limited Australia
Potter Warburg Discount Investments Pty Limited Australia
Potter Warburg Discount Limited Australia
Potter Warburg Fixed Interest NZ Limited New Zealand
Potter Warburg Fixed Interest Pty Limited Australia
Potter Warburg New Zealand Limited New Zealand
Potter Warburg Nominees Pty Limited Australia
Potter Warburg Pty Limited Australia
Potter Warburg Securities Pty Limited Australia
Potter Warburg Securities Pty Limited Office Sydney Australia
Potter Warburg Services Pty Limited Australia
Potter Warburg UK Ltd United Kingdom
Premex AG Switzerland
Presto AG Switzerland
Prime Securities Trust No 1 Australia
Prime Securities Trust No 2 Australia
Prime Securities Trust No 3 Australia
Prime Securities Trust No 3F Australia
Prime Securities Trust No 4 Australia
Prime Securities Trust No 4F Australia
Prime Securities Trust No 7 Australia
Prime Securities Trust No 7F Australia
Prime Security Holdings Pty Limited Australia
Private Equity Holding Inc New York
Privexia Fribourg SA Switzerland
Privexia Geneve SA Switzerland
Project Finance Ltd United Kingdom
Promotora UBS de Venezuela SA Venezuela
</TABLE>
<PAGE> 8
<TABLE>
<S> <C>
PROTAB Projekt Swiss Securities Operations AG Switzerland
PT UBS Securities Indonesia Indonesia
PT UBS Warburg Indonesia Indonesia
Quercus Investment Co AG Switzerland
Racefacit Ltd United Kingdom
Raleg Trading SA Panama
Ransila AG Switzerland
RC Immobilien Verwaltungs GmbH Germany
Realia Holding AG Switzerland
Redmen's Land Corporation Connecticut
Renta AG fur Finanzplanung Switzerland
Revetex AG Switzerland
Ridgemount Services Limited Virgin Islands
Rohzlas PL Leasing BV Netherlands
Romibag AG Switzerland
Rowe & Pitman Ltd United Kingdom
Rugby United Kingdom
SAG SEGA Aktienregister AG Switzerland
Samorag AG Beteiligungs- & Finanzgesellschaft Switzerland
Samsung Korea Premium Trust South Korea
Saymilln Nominees Limited United Kingdom
SBC (Forex Netting) Limited United Kingdom
SBC Arbitech AB Sweden
SBC Consultoria Comercio e Participacoes Ltda Brazil
SBC Equity Partners AG Switzerland
SBC Glacier Finance Ltd Cayman Islands
SBC Group (UK) Pension Trust Fund Limited United Kingdom
SBC Resource Management Inc Delaware
SBC Warburg Australia Securities Trust No 1 Australia
SBC Warburg Corporate Finance AG Branch Taipei Taiwan
SBC Warburg Dillon Read Corporate Finance AG Switzerland
SBC Warburg Dillon Read Ltd United Kingdom
SBC Warburg Management Co Inc Panama
SBC Warburg New Zealand Futures Limited New Zealand
SBCI Futures Inc New York
SBCI Investment banking Ltd United Kingdom
SBCW Company Reorganisation (Number 01) Ltd United Kingdom
SBCW Company Reorganisation (Number 02) Ltd United Kingdom
SBCW Company Reorganisation (Number 03) Ltd United Kingdom
SBCW Company Reorganisation (Number 04) Ltd United Kingdom
SBCW Company Reorganisation (Number 05) Ltd United Kingdom
SBCW Company Reorganisation (Number 06) Ltd United Kingdom
SBCW Company Reorganisation (Number 07) Ltd United Kingdom
SBCW Company Reorganisation (Number 08) Ltd United Kingdom
SBCW Company Reorganisation (Number 09) Ltd United Kingdom
SBCW Company Reorganisation (Number 10) Ltd United Kingdom
SBCW Company Reorganisation (Number 11) Ltd United Kingdom
SBCW Company Reorganisation (Number 12) Ltd United Kingdom
SBCW Company Reorganisation (Number 13) Ltd United Kingdom
SBCW Company Reorganisation (Number 14) Ltd United Kingdom
SBCW Company Reorganisation (Number 15) Ltd United Kingdom
SBCW Company Reorganisation (Number 16) Ltd United Kingdom
</TABLE>
<PAGE> 9
<TABLE>
<S> <C>
SBCWA Imputation Trust Australia
SBCWA Universal Mirror Trust Australia
SBS AG Switzerland
SBV AG Switzerland
Schroder Munchmeyer Hengst AG Germany
Schroder Munchmeyer Hengst AG Branch Berlin Germany
Schroder Munchmeyer Hengst AG Branch Dusseldorf Germany
Schroder Munchmeyer Hengst AG Branch Frankfurt am Main Germany
Schroder Munchmeyer Hengst AG Branch Munich Germany
Schroder Munchmeyer Hengst AG Branch Offenbach Germany
Schroder Munchmeyer Hengst AG Branch Stuttgart Germany
Schroder Munchmeyer Hengst Consult GmbH Germany
Schroder Munchmeyer Hengst Investment Luxemburg SA Luxembourg
Schweizerische Gesellschaft fur Anlagewerte (SOCVAL) Switzerland
Schweizerische Hypotheken- und Handelsbank Switzerland
Schweizerische Hypotheken- und Handelsbank Branch Jersey Jersey, Channel Islands
Schweizerische National-Versicherungs-Gesellschaft Switzerland
SCI Nadar Monaco
Seahorse Superannuation Pty Limited Australia
SECB Swiss Euro Clearing Bank GmbH Germany
SECOM AG Switzerland
Second Directorships Limited Bahamas
Securiana AG Switzerland
Seeyet Investments Limited Hong Kong (China)
Seligman Brothers Ltd United Kingdom
Selinus Corporation NV Delaware
Serse France
Services (Wolfsberg) AG Switzerland
Sethold Nominees Pty Limited Australia
SG Warburg & Co (AFS) Ltd United Kingdom
SG Warburg & Co International BV Netherlands
SG Warburg & Co Ltd United Kingdom
SG Warburg & Company plc United Kingdom
SG Warburg Finance (Luxembourg) SA Luxembourg
SG Warburg Finance BV Netherlands
SG Warburg Financial Products Ltd United Kingdom
SG Warburg Group (Australia) BV Netherlands
SG Warburg Group Management Ltd United Kingdom
SG Warburg Group plc United Kingdom
SG Warburg Holdings Ltd United Kingdom
SG Warburg Intermediary Dealer Ltd United Kingdom
SG Warburg Investments (No. 2) Ltd United Kingdom
SG Warburg Investments (Number 3) Ltd United Kingdom
SG Warburg Investments (USA) Inc Delaware
SG Warburg Nominees (Korea) Ltd United Kingdom
SG Warburg Overseas Ltd United Kingdom
SG Warburg Securities SA Switzerland
SG Warburg Structural Finance Ltd United Kingdom
SGW Finance plc United Kingdom
SGW Ltd United Kingdom
SGW Nominees (HK) Ltd Hong Kong (China)
SGW Structural Finance Ltd United Kingdom
</TABLE>
<PAGE> 10
<TABLE>
<S> <C>
SGWIB Ltd United Kingdom
SI de la Rue de Lausanne SA Switzerland
SI Flaminia SA Switzerland
SI Fleur des Monts SA Switzerland
SI Lapro SA Switzerland
SI Les Fontaines de la Ville SA Switzerland
Sig Limited Bahamas
Simonin AG Switzerland
Sipeter Pty Limited Australia
SIS SEGAINTERSETTLE AG Switzerland
SMH Management Beteiligungs GmbH Germany
SNOC Swiss Nominee Company Switzerland
Societe des Forces Motrices du Grand-St-Bernard Switzerland
Societe Immobiliere Chemin de l'Oree SA Switzerland
Societe Internationale de Placements Switzerland
Societe Mandataire SA Switzerland
Societe Nice Valor Sarl France
Societe Nouvelle des Bergues Switzerland
Soliva AG Switzerland
Solothurner Bank SoBa Switzerland
Solymep SA France
SOPAG SA Switzerland
SP Cellular Corporation Delaware
St. Saviours Crescent Developments (1990) Limited Jersey, Channel Islands
Staincliffe Limited Jersey, Channel Islands
Star AG Switzerland
Stepway Limited Virgin Islands
Stiga Forvaltning AB Sweden
Strasser J. AG Aarau Switzerland
Suabag Switzerland
Suissor SA France
Sviro Finance SA Switzerland
Swisbanco (Coleman Street Nominees) Limited United Kingdom
Swiss Bank Center I Association Inc Connecticut
Swiss Bank Site Master Association Inc Connecticut
Swiss Bankers Travelers Cheque Centre Switzerland
Swiss Federal Holding Ltd Bermuda
Swiss Finance Corporation (Mauritius) Ltd Mauritius
SWS Pty Ltd Australia
Sydpot Nominees Pty Limited Australia
Systor AG Switzerland
Tadelmo AG Switzerland
TBM Srl Italy
Telekurs Holding AG Switzerland
The British American Construction Company Ltd United Kingdom
The Transatlantic Trading Company Ltd United Kingdom
Thesauba SA Switzerland
Thesaurus Continentale Effekten-Gesellschaft in Zurich Switzerland
Three Keys Limited Bahamas
TicketCorner AG Switzerland
Tintorie di Bisuschio SrL Italy
Tivalor Etablissement Lichtenstein
</TABLE>
<PAGE> 11
<TABLE>
<S> <C>
Tobrosa AG Switzerland
Topcard Service AG Switzerland
Torgafina AG (in Liq.) Switzerland
Transplan AG (in Liq.) Switzerland
Trussway United States of America
Tur Limited Bahamas
UBS (Argentina) SRL Argentina
UBS (Australia) Administration Pty Ltd Australia
UBS (Australia) Capital Partners Limited Australia
UBS (Australia) Specialised Finance Management Limited Australia
UBS (Australia) Staff Superannuation Pty Ltd Australia
UBS (Bahamas) Ltd Bahamas
UBS (Cayman Islands) Ltd Cayman Islands
UBS (CI) Limited Jersey, Channel Islands
UBS (Cyprus) Ltd Cyprus
UBS (France) SA France
UBS (FXNET) Ltd United Kingdom
UBS (Immobilien) GmbH Germany
UBS (India) Private Ltd India
UBS (Italia) SpA Italy
UBS (Italia) SpA Branch Bologna Italy
UBS (Italia) SpA Branch Rome Italy
UBS (Jersey) Limited Jersey, Channel Islands
UBS (Luxembourg) SA Luxembourg
UBS (Monaco) SA Monaco
UBS (Panama) SA Panama
UBS (Sydney) Limited Australia
UBS (Trust and Banking) Limited Japan
UBS (USA) Inc Delaware
UBS AG Switzerland
UBS AG Agency Houston Texas
UBS AG Agency Miami Florida
UBS AG Branch Cayman Island Cayman Islands
UBS AG Branch Chicago Illinois
UBS AG Branch Hong Kong Hong Kong (China)
UBS AG Branch Jersey Jersey, Channel Islands
UBS AG Branch Labuan Malaysia
UBS AG Branch London (PB) United Kingdom
UBS AG Branch London (WDR) United Kingdom
UBS AG Branch Los Angeles California
UBS AG Branch New York (10 East 50th Street) New York
UBS AG Branch New York (299 Park Avenue) New York
UBS AG Branch Paris France
UBS AG Branch San Francisco California
UBS AG Branch Seoul South Korea
UBS AG Branch Singapore Singapore
UBS AG Branch Stamford Connecticut
UBS AG Branch Taipei Taiwan
UBS AG Branch Tokyo Japan
UBS AG Limitada Uruguay
UBS AG Limitada Punta del Este Uruguay
UBS AG Representative Office Abu Dhabi United Arab Emirates
</TABLE>
<PAGE> 12
<TABLE>
<S> <C>
UBS AG Representative Office Baden-Baden Germany
UBS AG Representative Office Bangkok Thailand
UBS AG Representative Office Beijing China
UBS AG Representative Office Beirut Lebanon
UBS AG Representative Office Bogota Colombia
UBS AG Representative Office Boston Massachusetts
UBS AG Representative Office Buenos Aires Argentina
UBS AG Representative Office Cairo Egypt
UBS AG Representative Office Caracas Venezuela
UBS AG Representative Office Dallas Texas
UBS AG Representative Office Dubai United Arab Emirates
UBS AG Representative Office Edinburgh United Kingdom
UBS AG Representative Office Freiburg i. Br. Germany
UBS AG Representative Office Istanbul Turkey
UBS AG Representative Office Jakarta Indonesia
UBS AG Representative Office Johannesburg South Africa
UBS AG Representative Office Kuala Lumpur Malaysia
UBS AG Representative Office Lima Peru
UBS AG Representative Office Lisbon Portugal
UBS AG Representative Office Manama Bahrain
UBS AG Representative Office Melbourne Australia
UBS AG Representative Office Mexico City Mexico
UBS AG Representative Office Montevideo Uruguay
UBS AG Representative Office Moscow Russia
UBS AG Representative Office Mumbai India
UBS AG Representative Office Nicosia Cyprus
UBS AG Representative Office Osaka Japan
UBS AG Representative Office Punta del Este Uruguay
UBS AG Representative Office Rio de Janeiro Brazil
UBS AG Representative Office Santiago de Chile Chile
UBS AG Representative Office Sao Paulo Brazil
UBS AG Representative Office Shanghai China
UBS AG Representative Office Stuttgart Germany
UBS AG Representative Office Sydney Australia
UBS AG Representative Office Tehran Iran (Islamic Republic of)
UBS AG Representative Office Tokyo Japan
UBS AG Representative Office Tokyo (CF) Japan
UBS AG Representative Office Vancouver Canada
UBS AG Representative Office Vienna Austria
UBS AG Representative Office Washington DC District of Columbia
UBS Anlage-Service GmbH Germany
UBS Asset Management (Australia) Holdings Pty Ltd Australia
UBS Asset Management (Australia) Ltd Australia
UBS Asset Management (Australia) Ltd Branch Melbourne Australia
UBS Asset Management (France) SA France
UBS Asset Management (Italia) SIM SpA Italy
UBS Asset Management (Japan) Ltd Japan
UBS Asset Securitization Corp Delaware
UBS Assets (UK) Limited United Kingdom
UBS Australia Holdings Ltd Australia
UBS Australia Limited Australia
UBS Bank (Canada) Canada
</TABLE>
<PAGE> 13
<TABLE>
<S> <C>
UBS Bank (Canada) Branch Montreal Canada
UBS Bank (Canada) Branch Vancouver Canada
UBS Banque SA France
UBS Beteiligungs-GmbH & Co KG Germany
UBS Bond Fund Management Company SA Luxembourg
UBS Bridge Nominees Ltd Cayman Islands
UBS Bridge Secretaries Ltd Cayman Islands
UBS Bridge Trustees (Jersey) Ltd Jersey, Channel Islands
UBS Brinson AgriVest LLC Massachusetts
UBS Brinson Capital GmbH Germany
UBS Brinson Fideicomiso Financiero Forestal I Argentina
UBS Brinson Fund Management Company SA Luxembourg
UBS Brinson Holding Pte Ltd Singapore
UBS Brinson Inc (now UBS Asset Management (New York), Inc.) New York
UBS Brinson Inc Branch Bahrain Bahrain
UBS Brinson Inc Branch West Lebanon United States of America
UBS Brinson International AG Switzerland
UBS Brinson Investment GmbH Germany
UBS Brinson Limited, Great Britain United Kingdom
UBS Brinson Ltda Brazil
UBS Brinson Pte Ltd Singapore
UBS Brinson Realty Investors LLC United States of America
UBS Brinson Realty Investors LLC Branch Dallas United States of America
UBS Brinson Realty Investors LLC Branch San Francisco United States of America
UBS Bunting Warburg Inc Canada
UBS Bunting Warburg Inc Branch Calgary Canada
UBS Bunting Warburg Inc Branch Montreal Canada
UBS Bunting Warburg Inc Branch Vancouver Canada
UBS Bunting Warburg Inc Representative Office Paris France
UBS Bunting Warburg Limited Canada
UBS Capital (Jersey) Ltd Jersey, Channel Islands
UBS Capital (Scotland) Limited United Kingdom
UBS Capital AG Switzerland
UBS Capital Americas (LA-Advisor) LLC United States of America
UBS Capital Americas III LP Jersey, Channel Islands
UBS Capital Americas Investments II LLC Delaware
UBS Capital Americas Investments III Ltd Cayman Islands
UBS Capital Asia Pacific (HK) Limited Hong Kong (China)
UBS Capital Asia Pacific (S) Limited Singapore
UBS Capital Asia Pacific Limited Cayman Islands
UBS Capital BV Netherlands
UBS Capital GmbH Germany
UBS Capital Holdings LLC Delaware
UBS Capital II LLC Delaware
UBS Capital Investors Inc New York
UBS Capital Jersey Corporation I Ltd Jersey, Channel Islands
UBS Capital Jersey Corporation II Ltd Jersey, Channel Islands
UBS Capital Latin America LDC Cayman Islands
UBS Capital LLC Delaware
UBS Capital Management Inc Delaware
UBS Capital Partners Limited United Kingdom
UBS Capital SpA Italy
</TABLE>
<PAGE> 14
<TABLE>
<S> <C>
UBS Card Center AG Switzerland
UBS Community Development Corporation New York
UBS Company Reorganisation (Number 1) Plc United Kingdom
UBS Company Reorganisation (Number 2) Plc United Kingdom
UBS Company Reorganisation (Number 3) Ltd United Kingdom
UBS Company Reorganisation (Number 4) Ltd United Kingdom
UBS Company Reorganisation (Number 5) Ltd United Kingdom
UBS Company Reorganisation (Number 6) Ltd United Kingdom
UBS Construction Services Ltd United Kingdom
UBS Deutschland GmbH Germany
UBS Dynamic Floor Fund Management Company SA Luxembourg
UBS Emerging Economies Fund Management Company SA Luxembourg
UBS Employee Benefits Trust Limited Jersey, Channel Islands
UBS Equity Fund Management Company SA Luxembourg
UBS Espana SA Spain
UBS Espana SA Branch Barcelona Spain
UBS Espana SA Branch Marbella Spain
UBS Europe SA Luxembourg
UBS Finance (Cayman Islands) Ltd Cayman Islands
UBS Finance (Curacao) NV Netherlands Antilles
UBS Finance (Delaware) LLC Delaware
UBS Financial Consulting AG Switzerland
UBS Financial Consulting AG Taiwan Branch Taiwan
UBS Financial Services (BVI) Limited Virgin Islands
UBS Financial Services Limited Russia
UBS Finanzholding AG Switzerland
UBS Finanzholding GmbH Germany
UBS Focused Fund Management Company SA Luxembourg
UBS Fund Holding (Luxembourg) SA Luxembourg
UBS Fund Holding (Switzerland) AG Switzerland
UBS Fund Management (Switzerland) AG Switzerland
UBS Fund Managers (Jersey) Limited Jersey, Channel Islands
UBS Fund Managment (Italia) SGR SpA Italy
UBS Fund Services (Luxembourg) SA Luxembourg
UBS Funding (Jersey) Limited Jersey, Channel Islands
UBS Futures & Options Ltd United Kingdom
UBS Gestion Sociedad Gestora de Instituciones de Inversion Colectiva SA Spain
UBS Gilts Nominees Ltd United Kingdom
UBS Global Trust Corporation Branch Singapore Singapore
UBS Global Trust Corporation Canada
UBS Government Securities Limited United Kingdom
UBS Group Insurance (Bermuda) Ltd Bermuda
UBS Heisei Fund Management Company SA Luxembourg
UBS Holding (France) SA France
UBS Holdings Limited Jersey, Channel Islands
UBS Holdings Pty Ltd Australia
UBS Hong Kong Nominees Ltd Hong Kong (China)
UBS Immobilier (France) SA France
UBS Immoleasing AG Switzerland
UBS Inc New York
UBS International Employment Ltd Switzerland
UBS International Holdings BV Netherlands
</TABLE>
<PAGE> 15
<TABLE>
<S> <C>
UBS Invest Kapitalanlagegesellschaft mbH Germany
UBS Investment Management Pte Ltd Singapore
UBS Investments (Bahamas) Limited Bahamas
UBS Investments (CI) Ltd Cayman Islands
UBS Investments Limited Hong Kong (China)
UBS Islamic Fund Management Company SA Luxembourg
UBS Israel Financial Instruments Ltd Israel
UBS Jersey Holdings Limited Jersey, Channel Islands
UBS Jersey Investments Limited Jersey, Channel Islands
UBS Jersey Nominees Limited Jersey, Channel Islands
UBS Jersey Pension Scheme Trustee Limited Jersey, Channel Islands
UBS Lease Finance LLC Delaware
UBS Leasing (Luxembourg) SA Luxembourg
UBS Leasing AG Switzerland
UBS Limited United Kingdom
UBS Limited Risk Fund Management Company SA Luxembourg
UBS Management Beteiligungs GmbH Germany
UBS Management Support Co Ltd Japan
UBS Medium Term Bond Fund Management Company SA Luxembourg
UBS Money Market Fund Management Company SA Luxembourg
UBS Mortgage Capital LLC Delaware
UBS Mortgage Securities Inc Delaware
UBS Nominees (Hong Kong) Ltd Hong Kong (China)
UBS Nominees (Pty) Ltd, South Africa South Africa
UBS Nominees Limited, Jersey Jersey, Channel Islands
UBS Nominees Ltd, Cayman Cayman Islands
UBS Nominees Pty Limited, Australia Australia
UBS O'Connor Investor LLC Delaware
UBS O'Connor LLC Delaware
UBS Overseas (UK) Limited United Kingdom
UBS Overseas Holding BV Netherlands
UBS Polybahn AG Switzerland
UBS Portfolio LLC Delaware
UBS Principal Finance LLC Delaware
UBS Private Banking Nominees Ltd United Kingdom
UBS Private Equity SA France
UBS Project Finance (1986) Ltd United Kingdom
UBS Properties (Jersey) Ltd Jersey, Channel Islands
UBS Realty & Office Engineering Company Switzerland
UBS Realty & Office Engineering Company (Pty) Ltd South Africa
UBS Representacao Ltda Brazil
UBS Representative Office Ltd Switzerland
UBS Research (Malaysia) Sdn Bhd Malaysia
UBS Resources and Management Support AG (in Liq.) Switzerland
UBS Rolling Hills Holding LLC New York
UBS Secretaries Limited, Jersey Jersey, Channel Islands
UBS Secretaries Ltd, Cayman Cayman Islands
UBS Securities (Brasil) Servicos Financeiros Ltda Brazil
UBS Securities (Canada) Inc Canada
UBS Securities (East Asia) Limited Hong Kong (China)
UBS Securities (East Asia) Ltd Branch Taiwan Taiwan
UBS Securities (East Asia) Ltd Representative Office Beijing China
UBS Securities (East Asia) Ltd Representative Office Shanghai China
</TABLE>
<PAGE> 16
<TABLE>
<S> <C>
UBS Securities (Hong Kong) Ltd Hong Kong (China)
UBS Securities Investment Advisory (Taiwan) Ltd Taiwan
UBS Securities Limited United Kingdom
UBS Securities Limited Branch Basel Switzerland
UBS Securities Limited Branch Geneva Switzerland
UBS Securities Limited Branch Lugano Switzerland
UBS Securities Limited Branch Zurich Switzerland
UBS Securities Nominees (Pty) Ltd South Africa
UBS Securities Nominees Ltd United Kingdom
UBS Services (Japan) Limited United Kingdom
UBS Services Limited United Kingdom
UBS Short Term Bond Fund Management Company SA Luxembourg
UBS Short Term Invest Management Company SA Luxembourg
UBS Strategy Fund Management Company SA Luxembourg
UBS Switzerland Stockholm Bankfilial Sweden
UBS TC (Jersey) Ltd Jersey, Channel Islands
UBS Trading Limited Hong Kong (China)
UBS Trust (Canada) Canada
UBS Trust Company New York
UBS Trustee Company Limited United Kingdom
UBS Trustees (Bahamas) Ltd Bahamas
UBS Trustees (BVI) Limited Virgin Islands
UBS Trustees (Cayman) Ltd Cayman Islands
UBS Trustees (Channel Islands) Ltd Jersey, Channel Islands
UBS Trustees (Jersey) Ltd Jersey, Channel Islands
UBS UK Finance Limited United Kingdom
UBS UK Holding Limited United Kingdom
UBS UK Limited United Kingdom
UBS Warburg & Associates (Singapore) Nominees Pte Ltd Singapore
UBS Warburg & Associates (Singapore) Pte Ltd Singapore
UBS Warburg & Associates (Singapore) Research Pte Ltd Singapore
UBS Warburg (EBS) Ltd United Kingdom
UBS Warburg (Forex) Inc New York
UBS Warburg (France) SA France
UBS Warburg (Futures & Options) Pte Ltd Singapore
UBS Warburg (Israel) Ltd Israel
UBS Warburg (Italia) Finanziaria SpA Italy
UBS Warburg (Italia) SIM SpA Italy
UBS Warburg (Japan) Limited Cayman Islands
UBS Warburg (Japan) Limited Branch Tokyo Japan
UBS Warburg (Malaysia) Sdn Bhd Malaysia
UBS Warburg (Nederland) BV Netherlands
UBS Warburg AG Germany
UBS Warburg Asia Limited Hong Kong (China)
UBS Warburg Australia Corporate Finance Ltd Australia
UBS Warburg Australia Corporation Pty Ltd Australia
UBS Warburg Australia Equities Ltd Australia
UBS Warburg Australia Holdings Ltd Australia
UBS Warburg Australia Limited Australia
UBS Warburg Australia Limited Office Melbourne Australia
UBS Warburg Australia Limited Office Perth Australia
UBS Warburg Corporate Finance South Africa (Pty) Limited South Africa
</TABLE>
<PAGE> 17
<TABLE>
<S> <C>
UBS Warburg Corretora de Cambio e Valores Mobiliarios SA Brazil
UBS Warburg Custody Pte Ltd Singapore
UBS Warburg Derivatives Limited Hong Kong (China)
UBS Warburg Finance Asia Ltd Hong Kong (China)
UBS Warburg Finance Company (Cayman Islands) Ltd Cayman Islands
UBS Warburg Futures Inc Delaware
UBS Warburg Holdings Asia Limited Hong Kong (China)
UBS Warburg Hong Kong Limited Hong Kong (China)
UBS Warburg International Ltd United Kingdom
UBS Warburg Investments Asia Ltd Hong Kong (China)
UBS Warburg Investments Ltd Australia
UBS Warburg LLC Delaware
UBS Warburg LLC Branch Bloomington United States of America
UBS Warburg LLC Branch Boston United States of America
UBS Warburg LLC Branch Chicago (10 South Wacker Drive) United States of America
UBS Warburg LLC Branch Chicago (141 West Jackson Boulevard) United States of America
UBS Warburg LLC Branch Dallas United States of America
UBS Warburg LLC Branch Houston United States of America
UBS Warburg LLC Branch Lake Forest United States of America
UBS Warburg LLC Branch New York (299 Park Avenue) United States of America
UBS Warburg LLC Branch San Francisco (101 California Street) United States of America
UBS Warburg LLC Branch San Francisco (555 California Street) United States of America
UBS Warburg LLC Branch Springdale United States of America
UBS Warburg Ltd United Kingdom
UBS Warburg Ltd Dutch Branch Netherlands
UBS Warburg Ltd Swiss Branch Switzerland
UBS Warburg Management Asia Ltd Hong Kong (China)
UBS Warburg New Zealand Equities Ltd New Zealand
UBS Warburg New Zealand Holdings Limited New Zealand
UBS Warburg New Zealand Limited New Zealand
UBS Warburg New Zealand Limited Office Wellington New Zealand
UBS Warburg Nominees Hong Kong Limited Hong Kong (China)
UBS Warburg Nominees Ltd United Kingdom
UBS Warburg Participations Limited Bermuda
UBS Warburg Participations Limited Branch London United Kingdom
UBS Warburg Pension Trustee Company Ltd United Kingdom
UBS Warburg Property Services Pty Ltd Australia
UBS Warburg Pte Ltd Singapore
UBS Warburg Pty Ltd Australia
UBS Warburg Pushkin Limited Cyprus
UBS Warburg Securities (South Africa) (Pty) Limited South Africa
UBS Warburg Securities Co Ltd Thailand
UBS Warburg Securities India Private Limited India
UBS Warburg Securities India Private Ltd Branch New Delhi India
UBS Warburg Securities Ltd United Kingdom
UBS Warburg Securities Ltd Branch Seoul South Korea
UBS Warburg Securities Ltd Taiwan Branch Taiwan
UBS Warburg Securities Nominees Ltd United Kingdom
UBS Warburg Securities Philippines Inc Philippines
UBS Warburg Sociedad de Bolsa SA Argentina
UBS Warburg Trading SA Argentina
UBS Xanadu GP Limited United Kingdom
</TABLE>
<PAGE> 18
<TABLE>
<S> <C>
UBS Xanadu Holding Limited United Kingdom
UBSAM (Jersey) Limited United Kingdom
UBSIT Holdings Limited Jersey, Channel Islands
UGDO SA Switzerland
Uni Finanz und Promotions AG Switzerland
Unihouse Nominees Limited Jersey, Channel Islands
Union Bank of Switzerland (Pensions) Ltd United Kingdom
Union Economique et Financiere Monaco
Union Valoren AG Switzerland
Univalor Etablissement Lichtenstein
Universo Administracao de Bens Ltda Brazil
Universo Administracao de Bens Ltda Branch Sao Paulo Brazil
Valetta Management Inc Panama
Valoriana AG Switzerland
Veritas International Limited Virgin Islands
Verwa AG Switzerland
Victor Hasselblad AB Sweden
Villa Sistemi Medicali SpA Italy
VOLAR Immobilien AG (in Liq.) Switzerland
VPAF II Management LP United States of America
Warbont Nominees Pty Limited Australia
Warburco Nominees Ltd United Kingdom
Warburg (Japan) Limited Hong Kong (China)
Warburg Dillon Read (Asia) Limited Representative Office Beijing China
Warburg Dillon Read (Asia) Limited Representative Office Shanghai China
Warburg Dillon Read (Espana) SA Spain
Warburg Dillon Read (Espana) SA Branch Barcelona Spain
Warburg Dillon Read Fund Management Company SA Luxembourg
Warburg Dillon Read Securities (Espana) SVB SA Spain
Warburg Dillon Read Swaps Inc New York
WDR Company Reorganisation (Number 17) Plc United Kingdom
WDR Company Reorganisation (Number 18) Ltd United Kingdom
WDR Company Reorganisation (Number 19) Ltd United Kingdom
WDR Company Reorganisation (Number 20) Ltd United Kingdom
WDR Company Reorganisation (Number 21) Ltd United Kingdom
WDR Company Reorganisation (Number 22) Ltd United Kingdom
WDR Company Reorganisation (Number 23) Ltd United Kingdom
WDR Company Reorganisation (Number 24) Ltd United Kingdom
WDR Company Reorganisation (Number 25) Ltd United Kingdom
WDR Company Reorganisation (Number 26) Ltd United Kingdom
WDR Company Reorganisation (Number 27) Ltd United Kingdom
Widder Hotel AG Switzerland
Winooski Inc Bahamas
Wipa Wiler Parkhaus AG Switzerland
Wohnbaugenossenschaft Bachli Teufen AR Switzerland
Wohnbaugenossenschaft Pro Herisau Switzerland
Wuhu Inc Bahamas
Xanadu UBS Partner No 1 Limited Jersey, Channel Islands
Xanadu UBS Partner No 2 Limited Jersey, Channel Islands
YCA SA Switzerland
ZAO Brunswick UBS Warburg Russia
ZAO Brunswick UBS Warburg Corporate Finance Russia
</TABLE>
<PAGE> 19
<TABLE>
<S> <C>
ZAO Brunswick UBS Warburg Nominees Russia
Ziber Investments Limited Jersey, Channel Islands
Zur Schanzenbrucke AG Switzerland
</TABLE>