Volcano (VOLC) SC 13D/A Volcano Corp

Exhibit 99.2

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) with respect to the shares of Common Stock, $0.001 par value, of Volcano Corporation,a Delaware corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.

Dated:  September 29, 2014

Engaged Capital Master Feeder I, LP
By:	Engaged Capital, LLC General Partner
By:	/s/ Glenn W. Welling
	Name:	Glenn W. Welling
	Title:	Managing Member and Chief Investment Officer

Engaged Capital Master Feeder II, LP
By:	Engaged Capital, LLC General Partner
By:	/s/ Glenn W. Welling
	Name:	Glenn W. Welling
	Title:	Managing Member and Chief Investment Officer

Pulse LP
By:	Engaged Capital, LLC General Partner
By:	/s/ Glenn W. Welling
	Name:	Glenn W. Welling
	Title:	Managing Member and Chief Investment Officer

Engaged Capital I, LP
By:	Engaged Capital, LLC General Partner
By:	/s/ Glenn W. Welling
	Name:	Glenn W. Welling
	Title:	Managing Member and Chief Investment Officer

Engaged Capital I Offshore, Ltd.
By:	/s/ Glenn W. Welling
	Name:	Glenn W. Welling
	Title:	Director

Engaged Capital II, LP
By:	Engaged Capital, LLC General Partner
By:	/s/ Glenn W. Welling
	Name:	Glenn W. Welling
	Title:	Managing Member and Chief Investment Officer

Engaged Capital II Offshore Ltd.
By:	/s/ Glenn W. Welling
	Name:	Glenn W. Welling
	Title:	Director

Pulse Ltd.
By:	Engaged Capital, LLC Investment Adviser
By:	/s/ Glenn W. Welling
	Name:	Glenn W. Welling
	Title:	Managing Member and Chief Investment Officer

Engaged Capital, LLC
By:	/s/ Glenn W. Welling
	Name:	Glenn W. Welling
	Title:	Managing Member and Chief Investment Officer

Engaged Capital Holdings, LLC
By:	/s/ Glenn W. Welling
	Name:	Glenn W. Welling
	Title:	Sole Member

/s/ Glenn W. Welling

Glenn W. Welling