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EXHIBIT 21.1
MatrixOne Subsidiaries
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Subsidiary Incorporation Name & Location
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Germany MatrixOne GmbH
Fraunhoferstrasse 7
D-85737 Ismaning
Germany
PH: +49 (0) 89-960948-0
FX: +49 (0) 89-960948-99
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France MatrixOne SARL
Espace
Technologique de Saint-Aubin
Immeuble Apollo
SAINT-AUBIN,
91195 GIF sur Yvette Cedex
France
PH: +33-1-69-33-1970
FX: +33-1-69-41-8293
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United Kingdom MatrixOne Limited
Trinity Court, Wokingham Road
Bracknell
Berkshire RG42 1PL
United Kingdom
PH: +44 (0) 1344 668 012
FX: +44 (0) 1344 668 164
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Netherlands MxOne B.V.
Amsteldijk 166
NL-1079 LH Amsterdam
The Netherlands
PH: +31 203010 930
FX: +31 203010 939
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Austria MatrixOne GmbH
Matthaus-Much-StraBe 7
A-5310 Mondsee
Austria
PH: +43 6232 7710-0
FX: +43 6232 7710-77
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Italy MatrixOne S.r.l.
Via Grosio 10/10
20131 Milano
Italy
PH: +39 02 3343061
FX: +39 02 33430645
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Japan MatrixOne K.K.
Worldwide Center 3F
1-13 Sanbancho
Chiyoda-ku
Tokyo 102-0075
Japan
PH: +81-3-5210-0011
FX: +81-3-5210-0013
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MatrixOne Subsidiaries - Continued
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Subsidiary Incorporation Name & Location
------------------------ ---------------
Canada MatrixOne Canada Corp.
190 Robert Speck Parkway
Suite 118
Mississauga, On L4Z 3K3
PH: (905) 275-2517
FX: (905) 273-6659
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Delaware (U.S.) Adra Systems, Inc.
Two Executive Drive
Chelmsford, MA 01824
PH: (978) 322-2000
FX: (978) 452-6820
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Delaware (U.S.) MatrixOne Securities Corporation
Two Executive Drive
Chelmsford, MA 01824
PH: (978) 322-2000
FX: (978) 452-6820
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