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 shares of Common Stock, par value $0.001 per share, of PFSweb, Inc., a Delaware corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.

August 17, 2017

Engine Capital, L.P.
By:	Engine Investments, LLC, General Partner
By:	/s/ Arnaud Ajdler
	Name:	Arnaud Ajdler
	Title:	Managing Member

Engine Jet Capital, L.P.
By:	Engine Investments, LLC, General Partner
By:	/s/ Arnaud Ajdler
	Name:	Arnaud Ajdler
	Title:	Managing Member

Engine Capital Management, LLC
By:	/s/ Arnaud Ajdler
	Name:	Arnaud Ajdler
	Title:	Managing Member

Engine Investments, LLC
By:	/s/ Arnaud Ajdler
	Name:	Arnaud Ajdler
	Title:	Managing Member

/s/ Arnaud Ajdler

ARNAUD AJDLER