Agreement of Joint Filing

Page 24 of 30 Pages

EXHIBIT 99.1

Agreement of Joint Filing

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned persons hereby agree to the joint filing on behalf of each of them with the Securities and Exchange Commission a Statement on Schedule 13D (including amendments thereto) with respect to the common stock, par value $0.001 per share, of Xerium Technologies, Inc. and further agree that this Agreement of Joint Filing be included as an Exhibit to such joint filing. This Agreement of Joint Filing may be executed in counterparts, all of which taken together shall constitute one and the same instrument. The undersigned acknowledge and agree that each shall be responsible for the completeness and accuracy of the information concerning such person or entity contained herein or therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that such person or entity knows or has reason to believe that such information is inaccurate.

IN WITNESS WHEREOF, the undersigned have executed this Agreement. 

Dated: April 11, 2018

	BARINGTON COMPANIES EQUITY PARTNERS, L.P.
	By:	Barington Companies Investors, LLC, its general partner
	By:	/s/ Xxxxx X. Xxxxxxxxxxx
	Name: Xxxxx X. Xxxxxxxxxxx
	Title:   Managing Member
	BARINGTON COMPANIES INVESTORS, LLC
	By:	/s/ Xxxxx X. Xxxxxxxxxxx
	Name: Xxxxx X. Xxxxxxxxxxx
	Title:   Managing Member
	BARINGTON CAPITAL GROUP, L.P.
	By:	LNA Capital Corp., its general partner
	By:	/s/ Xxxxx X. Xxxxxxxxxxx
	Name: Xxxxx X. Xxxxxxxxxxx
	Title:   President and CEO

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	LNA CAPITAL CORP.
	By:	/s/ Xxxxx X. Xxxxxxxxxxx
	Name: Xxxxx X. Xxxxxxxxxxx
	Title: President and CEO
	/s/ Xxxxx X. Xxxxxxxxxxx
	Xxxxx X. Xxxxxxxxxxx
	HILCO INC.
	By:	/s/ Xxxx X. Xxxx
	Name: Xxxx X. Xxxx
	Title: Secretary
	/s/ Xxxxxxx X. Xxxxxxxx
	Xxxxxxx X. Xxxxxxxx
	1 NBL EH, LLC
	By:	/s/ Xxxxxx X. Xxxxxx
	Name: Xxxxxx X. Xxxxxx
	Title: Managing Member
	/s/ Xxxxxx X. Xxxxxx
	Xxxxxx X. Xxxxxx
	/s/ Xxxxxxxx X. Xxxxxxxxx
	Xxxxxxxx X. Xxxxxxxxx