JOINT FILING AGREEMENTJoint Filing Agreement • November 20th, 2018 • VIEX Capital Advisors, LLC • Services-computer programming services
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, $0.00015 par value, of PDF Solutions, Inc., a Delaware corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.
