Exhibit 99.1

Joint Filing Agreement

In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including amendments thereto) with respect to the Common Stock, $0.001 par value, of Endwave Corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.

Dated: June 3, 2011	SPH GROUP HOLDINGS LLC

	By:		Steel Partners Holdings GP Inc. Manager

	By:	/s/ Sanford Antignas
		Sanford Antignas Chief Operating Officer

SPH GROUP LLC

By:		Steel Partners Holdings GP Inc. Managing Member

By:	/s/ Sanford Antignas
	Sanford Antignas Chief Operating Officer

STEEL PARTNERS HOLDINGS L.P.

By:		Steel Partners Holdings GP Inc. General Partner

By:	/s/ Sanford Antignas
	Sanford Antignas Chief Operating Officer

	STEEL PARTNERS LLC

	By:	/s/ Sanford Antignas
		Sanford Antignas Chief Operating Officer

	/s/ Sanford Antignas
	SANFORD ANTIGNAS as Attorney-In-Fact for Warren G. Lichtenstein

ENDWAVE CORP SC 13D/A