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:

November 12, 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:

November 12, 2004

Signature:

fleet national bank

 

By: /s/ Debra M. Ingraham

Debra M. Ingraham

Attorney-in-Fact