13G
| CUSIP NUMBER 10316T104 |
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: February 16, 2016
| Draper Fisher Jurvetson Fund VIII, L.P. | ||
| By: Draper Fisher Jurvetson Fund VIII Partners, L.P. (general partner) | ||
| By: DFJ Fund VIII, Ltd., its general partner | ||
| By: | /s/ John H.N. Fisher | |
| Name: | John H.N. Fisher | |
| Title: | Managing Director | |
| Draper Fisher Jurvetson Fund VIII Partners, L.P. | ||
| By: DFJ Fund VIII, Ltd., its general partner | ||
| By: | /s/ John H.N. Fisher | |
| Name: | John H. N. Fisher | |
| Title: | Managing Director | |
| DFJ Fund VIII, Ltd. | ||
| By: | /s/ John H.N. Fisher | |
| Name: | John H. N. Fisher | |
| Title: | Managing Director | |
| Draper Fisher Jurvetson Partners VIII, LLC | ||
| By: | /s/ Timothy C. Draper | |
| Name: | Timothy C. Draper | |
| Title: | Managing Member | |
| Draper Associates, L.P. | ||
| By: Draper Associates, Inc. (General Partner) | ||
| By: | /s/ Timothy C. Draper | |
| Name: | Timothy C. Draper | |
| Title: | President | |
13G
| CUSIP NUMBER 10316T106 |
| Draper Associates, Inc. | ||
| By: | /s/ Timothy C. Draper | |
| Name: | Timothy C. Draper | |
| Title: | President | |
| Draper Fisher Jurvetson Growth Fund 2006, L.P. | ||
| By: Draper Fisher Jurvetson Growth Fund 2006 Partners, L.P. (general partner) | ||
| By: DFJ Growth Fund 2006, Ltd., its general partner | ||
| By: | /s/ John H.N. Fisher | |
| Name: | John H.N. Fisher | |
| Title: | Director | |
| Draper Fisher Jurvetson Growth Fund 2006 Partners, L.P. | ||
| By: DFJ Growth Fund 2006, Ltd., its general partner | ||
| By: | /s/ John H.N. Fisher | |
| Name: | John H.N. Fisher | |
| Title: | Director | |
| DFJ Growth Fund 2006, Ltd. | ||
| By: | /s/ John H.N. Fisher | |
| Name: | John H.N. Fisher | |
| Title: | Director | |
| Draper Fisher Jurvetson Partners Growth Fund 2006, LLC | ||
| By: | /s/ John H.N. Fisher | |
| Name: | John H.N. Fisher | |
| Title: | Authorized Member | |
13G
| CUSIP NUMBER 10316T106 |
| 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 | |
| Draper Fisher Jurvetson Partners IX, LLC | ||
| By: | /s/ John H.N. Fisher | |
| Name: | John H.N. Fisher | |
| Title: | Managing Member | |
/s/ Timothy C. Draper | ||
| Timothy C. Draper | ||
/s/ John H.N. Fisher | ||
| John H. N. Fisher | ||
/s/ Stephen T. Jurvetson | ||
| Stephen T. Jurvetson | ||
13G
| CUSIP NUMBER 10316T106 |
/s/ Mark W. Bailey |
| Mark W. Bailey |
/s/ Barry M. Schuler |
| Barry M. Schuler |
/s/ Randy Glein |
| Randy Glein |
