EXHIBIT 99.1
JOINT FILER INFORMATION
Name: BankAmerica Investment Corporation
231 So. LaSalle Street
Chicago, IL 60679
Designated Filer: Bank of America Corporation
Issuer and
Ticker Symbol: CMGI, Inc. (CMGI)
Date of Event
Requiring Statement: August 13, 2004
Signature: BANKAMERICA INVESTMENT CORPORATION
By: /s/ Debra M. Ingraham
Debra M. Ingraham
Attorney-in-Fact
Name: Fleet National Bank
175 Federal Street, 10th Floor
Boston, MA 02110
Designated Filer: Bank of America Corporation
Issuer and
Ticker Symbol: CMGI, Inc. (CMGI)
Date of Event
Requiring Statement: August 13, 2004
Signature: Fleet National Bank
By: /s/ Debra M. Ingraham
Debra M. Ingraham
Attorney-in-Fact