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 additional amendments thereto) with respect to the shares of Common Stock, $0.001 par value, of Red Robin Gourmet Burgers, Inc., a Delaware corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.

Dated: December 30, 2019

  VIEX Opportunities Fund, LP – Series One
   
  By: VIEX GP, LLC
General Partner
     
  By:

/s/ Eric Singer

    Name: Eric Singer
    Title: Managing Member

 

 

  VIEX GP, LLC
   
  By:

/s/ Eric Singer

    Name: Eric Singer
    Title: Managing Member

 

 

  VIEX Special Opportunities Fund II, LP
   
  By: VIEX Special Opportunities GP II, LLC
General Partner
     
  By:

/s/ Eric Singer

    Name: Eric Singer
    Title: Managing Member

 

 

  VIEX Special Opportunities GP II, LLC
   
  By:

/s/ Eric Singer

    Name: Eric Singer
    Title: Managing Member

 

 

 

 

  VIEX Special Opportunities Fund III, LP
   
  By: VIEX Special Opportunities GP III, LLC
General Partner
     
  By:

/s/ Eric Singer

    Name: Eric Singer
    Title: Managing Member

 

 

  VIEX Special Opportunities GP III, LLC
   
  By:

/s/ Eric Singer

    Name: Eric Singer
    Title: Managing Member

 

 

  VIEX Capital Advisors, LLC
   
  By:

/s/ Eric Singer

    Name: Eric Singer
    Title: Managing Member

 

 

 

/s/ Eric Singer

  Eric Singer