##### 



EXHIBIT 21 SUBSIDIARIES OF MANUGISTICS GROUP, INC. Listed below are the significant subsidiaries of the Company as of February 29,
2004 and their jurisdictions of organization. All of these subsidiaries are
wholly owned by the Company. State orJurisdictionof Incorporation
    
    Name Under WhichName
    
    or Organization
    
    Subsidiary Does BusinessManugistics, Inc.
    
    Delaware
    
    Manugistics, Inc.Manugistics France S.S.A.
    
    France
    
    Manugistics France S.A.Manugistics U.K. Ltd.
    
    United Kingdom
    
    Manugistics U.K. Ltd.Manugistics Canada Company
    
    Nova Scotia
    
    Manugistics Canada CompanyManugistics (Deutschland) GmbH
    
    Germany
    
    Manugistics (Deutschland) GmbHManugistics European Holding
Company B.V.
    
    Netherlands
    
    Manugistics European Holding
Company B.V.Manugistics Services, Inc.
    
    Delaware
    
    Manugistics, Inc.Manugistics Japan K.K.
    
    Japan
    
    Manugistics Japan K.K.Manugistics do Brasil Limtada
    
    Brazil
    
    Manugistics do Brasil LimtadaManugistics Singapore PTE LTD
    
    Singapore
    
    Manugistics Singapore PTE LTDManugistics Australia Pty LTD
    
    Australia
    
    Manugistics Australia Pty LTDManugistics Holdings Delaware, Inc.
    
    Delaware
    
    Manugistics Holdings Delaware, Inc.Manugistics Holdings Delaware II, Inc.
    
    Delaware
    
    Manugistics Holdings Delaware, Inc.Manugistics Benelux1
    
    Belgium
    
    Manugistics BeneluxManugistics Services Mexico, S. de R.L. de C.V.
    
    Mexico
    
    Manugistics Services Mexico, S. de R.L. de C.V.Manugistics Mexico, S. de R.L. de C.V.
    
    Mexico
    
    Manugistics Mexico, S. de R.L. de C.V.Manu Transportation LLC
    
    Delaware
    
    Manu Transportation LLCManugistics Nordic AB
    
    Sweden
    
    Manugistics Nordic ABManugistics Atlanta, Inc.2
    
    Georgia
    
    Manugistics Atlanta, Inc.Manugistics Euro Limited.3
    
    United Kingdom
    
    Manugistics Euro Limited.Manugistics Malaysia Sdn. Bhd.
    
    Malaysia
    
    Manugistics Malaysia Sdn. Bhd.Manugistics Hong Kong Limited
    
    Hong Kong
    
    Manugistics Hong Kong LimitedManugistics Consulting Services Shanghai Co.
Limited
    
    The Peoples
Republic of China
    
    Manugistics Consulting Services Shanghai Co.
LimitedSTG Holdings, Inc.
    
    Delaware
    
    STG Holdings, Inc.STG Pacific (Pty) Limited
    
    Australia
    
    STG Pacific Pty. LimitedScheduling Technology Group, Inc.4
    
    Texas
    
    Scheduling Technology Group, Inc.Scheduling Technology Group Limited5
    
    United Kingdom
    
    Scheduling Technology Group LimitedWestern Data Systems Intl., Ltd.6
    
    United Kingdom
    
    Western Data Systems Intl., Ltd.
   1
 2 Manugistics Atlanta, Inc, was merged with and into Manugistics, Inc.
effective March 1, 2004. 3 All of the companies UK operations were consolidated in Manugistics U.K.
Ltd. effective March 1, 2004 pursuant to Asset Purchase Agreements between
Manugistics U. K. Ltd. and Manugistics Euro Limited., Scheduling Technology
Group Limited and Western Data System. Intl, Ltd., respectively (each a
seller), under which each seller sold all of its assets and business and
Manugistics U.K. Ltd. purchased all of the respective sellers assets and
assumed all of the respective sellers liabilities. 4 Scheduling Technology Group, Inc. was merged with and into Manugistics, Inc.
effective January 1, 2004. 5 See footnote 3. 6 See Footnote 3.