Contract

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, Xxx Xxxxxx, Xxxxx Xxxxxx and Xxx Xxxxxx (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/ Xxx Xxxxxx
		Xxx Xxxxxx
		President
	PLAINFIELD SPECIAL SITUATIONS
	MASTER FUND LIMITED
	By:	/s/ Xxx Xxxxxx
		Xxx Xxxxxx
		Authorized Individual
	XXX XXXXXX
	By:	/s/ Xxx Xxxxxx
		Xxx Xxxxxx
	XXXXX XXXXXXXXX XXXXXXX XXXXXX
	By:	/s/ Xxxxx Xxxxxx
		Xxxxx Xxxxxxxxx Xxxxxxx Xxxxxx, Joint Voluntary
	Liquidator of the Master Fund
	IAN XXXXX XXXXXX
	By:	/s/ Xxx Xxxxxx
		Ian Xxxxx Xxxxxx, Joint Voluntary Liquidator of the
	Master Fund