13D Filing: Marlin Management Company, LLC and Tangoe Inc (TNGO)

Item 6 of the Schedule 13D is hereby amended and supplemented by
the addition of the following:

On April 27, 2017, the Issuer, the Parent and the Purchaser entered
into the Merger Agreement. The Merger Agreement which is referenced as Exhibit 3 hereto (which is incorporated by reference to
Exhibit 2.1 to the Issuer’s Current Report on Form 8-K, filed with the SEC on April 28, 2017).

Other than the Joint Filing Agreement previously filed as Exhibit
1 to the Original Schedule 13D, the Non-Disclosure Agreement previously disclosed in Amendment No. 2 to the Schedule 13D, the Indication
of Interest Letter previously filed as Exhibit 2 in Amendment No. 3 to the Schedule 13D and the Merger Agreement, there are no
contracts, arrangements, understandings or relationships among the Reporting Persons or between the Reporting Persons and any other
person with respect to the Common Stock.

EXHIBITS