EXHIBIT A JOINT FILING AGREEMENT The undersigned hereby consent to the joint filing by any of them of a Statement on Schedule 13D and any amendments thereto, whether heretofore or hereafter filed, relating to the securities of Diversa Corporation, and...Joint Filing Agreement • March 19th, 2007 • Rho Capital Partners Inc • Services-commercial physical & biological research
The undersigned hereby consent to the joint filing by any of them of a Statement on Schedule 13D and any amendments thereto, whether heretofore or hereafter filed, relating to the securities of Diversa Corporation, and affirm that this Schedule 13D is being filed on behalf of each of the undersigned.
LOCK-UP AGREEMENT (Diversa Stockholders) THIS LOCK-UP AGREEMENT dated as of February 12, 2007 (this "Agreement") is entered into by and between the undersigned stockholder ("Stockholder") and DIVERSA CORPORATION, a Delaware corporation ("Parent")....Lock-Up Agreement • March 19th, 2007 • Rho Capital Partners Inc • Services-commercial physical & biological research • Delaware
VOTING AGREEMENT (Diversa Stockholders) THIS VOTING AGREEMENT (this "Agreement") is entered into as of February 12, 2007, by and between CELUNOL CORP., a Delaware corporation (the "Company"), and the Major Stockholders of DIVERSA CORPORATION, a...Voting Agreement • March 19th, 2007 • Rho Capital Partners Inc • Services-commercial physical & biological research • Delaware
