Exhibit 99.1
AGREEMENT TO FILE JOINT SCHEDULE 13D
Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby consent to the joint filing on their behalf of a single Schedule 13D and any amendments thereto, with respect to the beneficial ownership by each of the undersigned of shares of the common stock of MabVax Therapeutics Holdings, Inc., a Delaware corporation. The undersigned hereby further agree that this statement may be executed in any number of counterparts, each of which when so executed shall be deemed to be an original, but all of which counterparts shall together constitute one and the same instrument.
| Dated: February 15, 2018 | /s/ Barry Honig | |
| Barry Honig | ||
| Dated: February 15, 2018 | GRQ CONSULTANTS, INC. ROTH 401K FBO BARRY HONIG | |
| By: | /s/ Barry Honig | |
| Barry Honig, Trustee | ||
| Dated: February 15, 2018 | Barry & Renee Honig Charitable Foundation, Inc. | |
| By: | /s/ Barry Honig | |
| Barry Honig, President | ||
| Dated: February 15, 2018 | GRQ CONSULTANTS, INC. ROTH 401K FBO RENEE HONIG | |
| By: | /s/ Renee Honig | |
| Renee Honig, Trustee | ||
