Joint Filer Information

Name:  MILLENNIUM HOLDING GROUP, L.P.

Address: 666 5th Avenue
New York, New York 10103

Designated Filer:   Riverview Group, LLC

Issuer:  TeleCommunication Systems, Inc.

Date of Event Requiring Statement:  January 11, 2005

Signature: MILLENNIUM HOLDING GROUP, L.P.

By: Millennium Management, L.L.C.
its general partner

By: /s/ Terry Feeney
———————————————
Name: Terry Feeney
Title:   Chief Operating Officer

Page 3 of 5 Pages

Joint Filer Information

Name:  MILLENNIUM MANAGEMENT, L.L.C.

Address: 666 5th Avenue
New York, New York 10103

Designated Filer:   Riverview Group, LLC

Issuer:  TeleCommunication Systems, Inc.

Date of Event Requiring Statement:  January 11, 2005

Signature: MILLENNIUM MANAGEMENT, L.L.C.

By: /s/ Terry Feeney
———————————————
Name: Terry Feeney
Title:   Chief Operating Officer

Page 4 of 5 Pages

Joint Filer Information

Name:  Israel A. Englander

Address: c/o Millennium Management, L.L.C.
666 5th Avenue
New York, New York 10103

Designated Filer:   Riverview Group, LLC

Issuer:  TeleCommunication Systems, Inc.

Date of Event Requiring Statement:  January 11, 2005

Signature:

/s/ Israel A. Englander
———————————————
Israel A. Englander

Page 5 of 5 Pages