Exhibit 99.1

JOINT FILING AGREEMENT

Pursuant to Rule 13d-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 Amyris, Inc.

Dated: February 11, 2014

KHOSLA VENTURES II, L.P.
By:	Khosla Ventures Associates II, LLC, a
	Delaware limited liability company and general partner of Khosla Ventures II, LP
By:	/s/ Vinod Khosla
	Vinod Khosla, Managing Member
KHOSLA VENTURES ASSOCIATES II, LLC
By:	/s/ Vinod Khosla
	Vinod Khosla, Managing Member
KHOSLA VENTURES III, L.P.
By:	Khosla Ventures Associates III, LLC, a
	Delaware limited liability company and general partner of Khosla Ventures III, LP
By:	/s/ Vinod Khosla
	Vinod Khosla, Managing Member
KHOSLA VENTURES ASSOCIATES III, LLC
By:	/s/ Vinod Khosla
	Vinod Khosla, Managing Member
VK SERVICES, LLC
By:	/s/ Vinod Khosla
	Vinod Khosla, Manager
/s/ Vinod Khosla
Vinod Khosla