EXHIBIT 99.1
AGREEMENT
Pursuant to Rule13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of the shares of Common Stock of Roku, Inc.
| Date: | February 12, 2018 | |||
| MENLO VENTURES X, L.P. | ||||
| By: | MV Management X, L.L.C., its general partner | |||
| By: | /s/ Mark A. Siegel | |||
| Mark A. Siegel | ||||
| Managing Member | ||||
| MENLO ENTREPRENEURS FUND X, L.P | ||||
| By: | MV Management X, L.L.C., its general partner | |||
| By: | /s/ Mark A. Siegel | |||
| Mark A. Siegel | ||||
| Managing Member | ||||
| MMEF X, L.P | ||||
| By: | MV Management X, L.L.C., its general partner | |||
| By: | /s/ Mark A. Siegel | |||
| Mark A. Siegel | ||||
| Managing Member | ||||
| MV MANAGEMENT X, L.L.C. | ||||
| By: | /s/ Mark A. Siegel | |||
| Mark A. Siegel | ||||
| Managing Member | ||||
/s/ Henry D. Montgomery | ||||
| Henry D. Montgomery | ||||
/s/ John W. Jarve | ||||
| John W. Jarve | ||||
/s/ Douglas C. Carlisle | ||||
| Douglas C. Carlisle | ||||
/s/ Mark A. Siegel | ||||
| Mark A. Siegel | ||||
/s/ Shawn T. Carolan | ||||
| Shawn T. Carolan | ||||