Contract

Exhibit 1

CUSIP No. 00000X000  13G      Page 9  of  10 

EXHIBIT 1
AGREEMENT TO FILE JOINT
STATEMENTS ON SCHEDULE 13G

     THIS AGREEMENT is entered into as of the 9th day of February, 2011 by and among Xxxxxxxxx Hills Ltd., a company organized under the laws of the Bahamas, The Tango Trust, a trust organized under the laws of the Bahamas (the “Trust”), and Rhone Trustees (Bahamas) Ltd., a company organized under the laws of the Bahamas (the “Trustee”).

W I T N E S S E T H

     WHEREAS, Xxxxxxxxx Hills Ltd., the Trust and the Trustee may each be deemed to hold beneficial ownership of more than five percent of the shares of the Common Stock of Ixia, a California corporation (the “Common Stock”);

     WHEREAS, the Common Stock has been registered by Ixia under Section 12(g) of the Securities Exchange Act of 1934 (the “Act”);

     WHEREAS, pursuant to Rule 13d-1 under the Act, any person who holds more than five percent of such a class of registered equity securities is, under certain circumstances, permitted and/or required to file with the Securities and Exchange Commission a statement on Schedule 13G;

     WHEREAS, Rule 13d-1(k) under the Act provides that, whenever two or more persons are permitted to file a statement on Schedule 13G with respect to the same securities, only one such statement need be filed, provided such persons agree in writing that such statement is filed on behalf of each of them; and

     WHEREAS, pursuant to Rule 13d-1 under the Act, Xxxxxxxxx Hills Ltd., the Trust and Trustee jointly filed a Schedule 13G with the Securities and Exchange Commission on March 10, 2010.

     NOW, THEREFORE, in consideration of the foregoing premises and the mutual covenants and agreements contained herein, the parties hereby agree as follows:

     Xxxxxxxxx Hills Ltd., the Trust and the Trustee each hereby agree, in accordance with Rule 13d-1(k) under the Act, to file jointly this Amendment No. 1 to Schedule 13G (the “Amendment”) with respect to the Common Stock beneficially owned or deemed to be beneficially owned by each of them pursuant to Sections 13(d) and 13(g) of the Act and the rules thereunder.

     Xxxxxxxxx Hills Ltd., the Trust and the Trustee each hereby agree that the Amendment shall be filed jointly on behalf of each of them, and that a copy of this Agreement shall be filed as an exhibit thereto in accordance with Rule 13d-1(k)(iii) under the Act.

     This Agreement may be executed in counterparts which together shall constitute one agreement.

CUSIP No. 00000X000  13G     Page 10  of  10 

     IN WITNESS WHEREOF, the parties have executed this Agreement or caused this Agreement to be signed on their behalf by their duly authorized representatives as of the date first above written.

	XXXXXXXXX HILLS LTD.
	By:	Nassnom Investments Corp., a Director
	By:	/s/ Xxxx Xxxxxxxx
		Print Name:	Xxxx Xxxxxxxx
		Title:	Director
	By:	Nomnass Investments Corp., a Director
	By:	/s/ Xxxxxxx Xxxxxxxxxx
		Print Name:	Xxxxxxx Xxxxxxxxxx
		Title:	Director
	RHONE TRUSTEES (BAHAMAS) LTD., on behalf of itself and as Trustees of The Tango Trust
	By:	/s/ Xxxx Xxxxxxxx
		Print Name:	Xxxx Xxxxxxxx
		Title:	Director
	By:	/s/ Xxxxxxxx Xxxxxxxx
		Print Name:	Xxxxxxxx Xxxxxxxx
		Title:	Director