Exhibit 2

This AMENDED AND RESTATED JOINT FILING AGREEMENT, dated as of April 14, 2014 (this “Agreement”), is by and among Looking Glass LLC, Plainfield Special Situations Master Fund Limited, Max Holmes, David Walker and Ian Stokoe (collectively, the “Filing Persons”).

Pursuant to and in accordance with Section 13(d) of the Securities Exchange Act of 1934, as amended, and the rules thereunder, each of the Filing Persons agrees that a statement of beneficial ownership with respect to the common stock of Network-1 Security Solutions, Inc., a Delaware corporation, may be filed jointly with the United States Securities and Exchange Commission on each of their behalf on Schedule 13D or Schedule 13G, as appropriate, and that said joint filing may thereafter be amended by further joint filings. The Filing Persons state that they each satisfy the requirements for making a joint filing under Rule 13d-1.

This Agreement may be terminated by any of the Filing Persons upon one (1) week’s written notice or such lesser period of notice as the Filing Persons may mutually agree.

LOOKING GLASS LLC
By:	/s/ Max Holmes
	Max Holmes
	President
PLAINFIELD SPECIAL SITUATIONS
MASTER FUND LIMITED
By:	/s/ Max Holmes
	Max Holmes
	Authorized Individual
MAX HOLMES
By:	/s/ Max Holmes
	Max Holmes
DAVID ALEXANDER KENNETH WALKER
By:	/s/ David Walker
	David Alexander Kenneth Walker, Joint Voluntary
Liquidator of the Master Fund
IAN DAVID STOKOE
By:	/s/ Ian Stokoe
	Ian David Stokoe, Joint Voluntary Liquidator of the
Master Fund