CUSIP NUMBER 75737F108    13G    Page 23 of 25 Pages

 

Exhibit 99.1

Pursuant to Rule 13d-1(k)(1)(iii) of Regulation 13D-G of the General Rules and Regulations of the Securities and Exchange Commission under the Securities and Exchange Act of 1934, as amended, the undersigned agrees that the statement to which this Exhibit is attached is filed on behalf of each of them.

Dated: January 26, 2018

 

Draper Fisher Jurvetson Fund IX, L.P.
By:   Draper Fisher Jurvetson Fund IX Partners, L.P. (general partner)
By:   DFJ Fund IX, Ltd., its general partner

 

By:   /s/ John H. N. Fisher
Name:   John H. N. Fisher
Title:   Managing Director

 

Draper Fisher Jurvetson Fund IX Partners, L.P.
By:   DFJ Fund IX, Ltd., its general partner

 

By:   /s/ John H. N. Fisher
Name:   John H. N. Fisher
Title:   Managing Director

 

DFJ Fund IX, Ltd.
By:   /s/ John H. N. Fisher
Name:   John H. N. Fisher
Title:   Managing Director


CUSIP NUMBER 75737F108    13G    Page 2 4 of 25 Pages

 

 

Draper Fisher Jurvetson Partners IX, LLC
By:   /s/ John H. N. Fisher
Name:   John H. N. Fisher
Title:   Managing Member

 

Draper Associates, L.P.
By:   Draper Associates, Inc. (General Partner)

 

By:   /s/Timothy C. Draper
Name:   Timothy C. Draper
Title:   President

 

Draper Associates, Inc.
By:   /s/ Timothy C. Draper
Name:   Timothy C. Draper
Title:   President

 

Draper Associates Riskmasters Fund II, LLC
By:   /s/ Timothy C. Draper
Name:   Timothy C. Draper
Title:   Managing Member

 

Draper Associates Riskmasters Fund III, LLC
By:   /s/ Timothy C. Draper
Name:   Timothy C. Draper
Title:   Managing Member


CUSIP NUMBER 75737F108    13G    Page 25 of 25 Pages

 

/s/ Timothy Draper
Timothy Draper
/s/ John H. N. Fisher
John H. N. Fisher
/s/ Stephen T. Jurvetson
Stephen T. Jurvetson