Exhibit 99.3

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 additional amendments thereto), dated the date hereof, with respect to the shares of Common Stock of SL Industries, Inc. This Joint Filing Agreement shall be filed as an Exhibit to such statement.

Dated:  April 7, 2016	STEEL PARTNERS HOLDINGS L.P.
	By:	Steel Partners Holdings GP Inc. General Partner
	By:	/s/ Jack L. Howard
		Jack L. Howard, President
	SPH GROUP LLC
	By:	Steel Partners Holdings GP Inc. Managing Member
	By:	/s/ Jack L. Howard
		Jack L. Howard, President
	SPH GROUP HOLDINGS LLC
	By:	Steel Partners Holdings GP Inc. Manager
	By:	/s/ Jack L. Howard
		Jack L. Howard, President
	STEEL PARTNERS HOLDINGS GP INC.
	By:	/s/ Jack L. Howard
		Jack L. Howard, President
	DGT HOLDINGS CORP.
	By:	/s/ Jack L. Howard
		Jack L. Howard, President

/s/ Jack L. Howard

JACK L. HOWARD

as Attorney-In-Fact for Warren G. Lichtenstein

/s/ Glen M. Kassan

GLEN M. KASSAN