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 affirm
that this Schedule 13D is being filed on behalf of each of the undersigned.
Dated: March 19, 2007
RHO CAPITAL PARTNERS, INC.
By:/s/Xxxxxxx X. Xxxxxx
Xxxxxxx X. Xxxxxx, Authorized Signer
XXXXXX XXXX
By:/s/Xxxxxxx X. Xxxxxx
Xxxxxxx X. Xxxxxx, Authorized Signer
XXXXX XXXXXXX
By:/s/Xxxxxxx X. Xxxxxx
Xxxxxxx X. Xxxxxx, Authorized Signer
XXXX XXXXXXX
By:/s/Xxxxxxx X. Xxxxxx
Xxxxxxx X. Xxxxxx, Authorized Signer
RHO MANAGEMENT TRUST II
By: RHO CAPITAL PARTNERS, INC.
As Investment Advisor
By:/s/Xxxxxxx X. Xxxxxx
Xxxxxxx X. Xxxxxx, Authorized Signer
RHO INVESTMENT PARTNERS "H" L.P.
By: RHO MANAGEMENT PARTNERS, L.P.
General Partner
By: ATLAS CAPITAL CORP.
Its General Partner
By:/s/Xxxxxxx X. Xxxxxx
Xxxxxxx X. Xxxxxx, Authorized Signer
RHO MANAGEMENT PARTNERS, L.P.
By: ATLAS CAPITAL CORP.
Its General Partner
By:/s/Xxxxxxx X. Xxxxxx
Xxxxxxx X. Xxxxxx, Authorized Signer
ATLAS CAPITAL CORP.
By:/s/Xxxxxxx X. Xxxxxx
Xxxxxxx X. Xxxxxx, Authorized Signer
