BioTransplant, Inc. (fka BTRNQ)

[Stock]

SECURITY ADDITIONS
DL Date Symbol Company Name Effective Date OATS Reportable Flag Comments
3/10/2003 BTRNQ** BioTransplant Inc 3/11/2003 From NASDAQ (BTRN)
3/13/2003 BTRNQ** BioTransplant Inc 3/14/2003 From OTC (BTRNQ)

SECURITY DELETIONS
Dl Date Symbol Company Name Effective Date/Comments
3/13/2003 BTRNQ** BioTransplant Inc 3/14/2003 Listed OTCBB (BTRNQ)

SYMBOL CHANGES
DL Date Date Old Symbol New Symbol/Name
8/21/2003 8/25/2003 BTRNQ BTRNE BioTransplant, Inc. Common Stock

SECURITY ADDITIONS
DL Date Symbol Company Name Effective Date OATS Reportable Flag Comments
9/23/2003 BTRNQ BioTransplant, Inc. Common Stock 9/24/2003 From BB (BTRNE) **

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