Common Contracts

To: TXCO Resources, Inc.

Lower Call Option Transaction • April 7th, 2008 • TXCO Resources Inc • Crude petroleum & natural gas • New York

• Contract Type
  Lower Call Option Transaction
• Filed
  April 7th, 2008
• Company
  TXCO Resources Inc
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  New York

The purpose of this letter agreement (this “Confirmation”) is to confirm the terms and conditions of the Transaction entered into between Capital Ventures International (“Party A”) and TXCO Resources, Inc. (“Party B”) on the Trade Date specified below (the “Transaction”). This Confirmation constitutes a “Confirmation” as referred to in the Agreement specified below.

To: Verenium Corporation 55 Cambridge Parkway Cambridge, MA 02142 Attention: Chief Financial Officer From: Capital Ventures International By: Heights Capital Management, Inc., Its Authorized Agent 101 California Street, Suite 3250 San Francisco, CA...

Lower Call Option Transaction • February 25th, 2008 • Verenium Corp • Services-commercial physical & biological research • New York

• Contract Type
  Lower Call Option Transaction
• Filed
  February 25th, 2008
• Company
  Verenium Corp
• Industry
  Services-commercial physical & biological research
• Jurisdiction
  New York

The purpose of this letter agreement (this “Confirmation”) is to confirm the terms and conditions of the Transaction entered into between Capital Ventures International (“Party A”) and Verenium Corporation (“Party B”) on the Trade Date specified below (the “Transaction”). This Confirmation constitutes a “Confirmation” as referred to in the Agreement specified below.