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: December 16, 2004

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: December 16, 2004

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: December 16, 2004

Signature:

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

Page 5 of 5 Pages

TELECOMMUNICATIONS SYSTEMS INC 4