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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549





FORM 10-Q





(Mark One)

|x | QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
|- | ---------------------------------------------------------------------------------------

For the quarterly period ended March 31, 2008

OR



| ̈ | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
|- | ----------------------------------------------------------------------------------------

For the transition period from  to

Commission file number 000-29173





VERENIUM CORPORATION

(Exact name of registrant as specified in its charter)







|                                                               |  |                                     
|-------------------------------------------------------------- |  | ------------------------------------
|Delaware                                                       |  | 22-3297375                          
|(State or other jurisdiction of incorporation or organization) |  | (I.R.S. Employer Identification No.)



|                                         |  |           
|---------------------------------------- |  | ----------
|55 Cambridge Parkway, Cambridge, MA      |  | 02142     
|(Address of principal executive offices) |  | (Zip Code)

(617) 674-5300

(Registrants telephone number, including area code)





Indicate by check mark whether the registrant
(1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and
(2) has been subject to such filing requirements for the past 90 days.    x  Yes     ̈  No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer or a smaller reporting company. See
definitions of large accelerated filer, and large accelerated filer and smaller reporting company in Rule 12b-2 of the Exchange Act.



|                                                                     |  |                             
|-------------------------------------------------------------------- |  | ----------------------------
|Large accelerated filer   ̈                                           |  | Accelerated filer  x        
|                                                                     | 
|Non-accelerated filer   ̈ (do not check if smaller reporting company) |  | Smaller reporting company   ̈

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange
Act).    Yes   ̈    No  x

The number of shares of the registrants Common Stock outstanding as of May 14, 2008 was 63,646,943.









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VERENIUM CORPORATION

INDEX



|                               |  |                                                                                       |  |         
|------------------------------ |  | ------------------------------------------------------------------------------------- |  | --------
|                               |  |                                                                                       |  | Page No.
|PART I  FINANCIAL INFORMATION |  |                                                                                      
|                               |  |                                                                                      
|Item 1.                        |  | Condensed Consolidated Financial Statements                                           |  |         
|                               |  | Condensed Consolidated Balance Sheets                                                 |  | 3       
|                               |  | Condensed Consolidated Statements of Operations                                       |  | 4       
|                               |  | Condensed Consolidated Statements of Cash Flows                                       |  | 5       
|                               |  | Notes to Condensed Consolidated Financial Statements                                  |  | 6       
|Item 2.                        |  | Managements Discussion and Analysis of Financial Condition and Results of Operations |  | 24      
|Item 3.                        |  | Quantitative and Qualitative Disclosures about Market Risk                            |  | 43      
|Item 4.                        |  | Controls and Procedures                                                               |  | 43      
|                               | 
|PART II  OTHER INFORMATION    |  |                                                                                      
|                               |  |                                                                                      
|Item 1.                        |  | Legal Proceedings                                                                     |  | 44      
|Item 1A.                       |  | Risk Factors                                                                          |  | 45      
|Item 2.                        |  | Unregistered Sales of Equity Securities and Use of Proceeds                           |  | 68      
|Item 3.                        |  | Defaults Upon Senior Securities                                                       |  | 68      
|Item 4.                        |  | Submission of Matters to a Vote of Security Holders                                   |  | 68      
|Item 5.                        |  | Other Information                                                                     |  | 68      
|Item 6.                        |  | Exhibits                                                                              |  | 68      
|                               | 
|SIGNATURES                     |  | 72                                                                                   



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VERENIUM CORPORATION

PART IFINANCIAL INFORMATION



|ITEM 1. | CONDENSED CONSOLIDATED FINANCIAL STATEMENTS.
|------- | --------------------------------------------

VERENIUM CORPORATION

CONDENSED CONSOLIDATED BALANCE SHEETS

(In thousands, except par value)



|                                                                                                                                                        |  |               |          |   |                  |   |          |  
|------------------------------------------------------------------------------------------------------------------------------------------------------- |  | ------------- | -------- | - | ---------------- | - | -------- | -
|                                                                                                                                                        |  | March 31,2008 |          |   | December 31,2007 |  
|                                                                                                                                                        |  | (Unaudited)   |          |   | (Note)           |  
|ASSETS                                                                                                                                                  |  |               |          |   |                  |   |          |  
|Current assets:                                                                                                                                         |  |               |          |   |                  |   |          |  
|Cash and cash equivalents                                                                                                                               |  | $             | 51,467   |   |                  | $ | 48,743   |  
|Short-term investments                                                                                                                                  |  |               | 8,229    |   |                  |   | 9,234    |  
|Accounts receivable, net (including $489 and $2,218 from a related party at March 31, 2008 and December 31, 2007)                                       |  |               | 13,852   |   |                  |   | 11,118   |  
|Inventories, net                                                                                                                                        |  |               | 4,493    |   |                  |   | 5,904    |  
|Prepaid expenses and other current assets                                                                                                               |  |               | 3,414    |   |                  |   | 1,408    |  
|                                                                                                                                                        |  |               |          |   |                  |   |          |  
|Total current assets                                                                                                                                    |  |               | 81,455   |   |                  |   | 76,407   |  
|Property, plant and equipment, net                                                                                                                      |  |               | 96,125   |   |                  |   | 76,663   |  
|Goodwill                                                                                                                                                |  |               | 106,134  |   |                  |   | 106,134  |  
|Derivative asset  convertible hedge transaction, net                                                                                                   |  |               | 5,070    |   |                  |   |         |  
|Other assets                                                                                                                                            |  |               | 7,733    |   |                  |   | 5,575    |  
|                                                                                                                                                        |  |               |          |   |                  |   |          |  
|Total assets                                                                                                                                            |  | $             | 296,517  |   |                  | $ | 264,779  |  
|                                                                                                                                                        |  |               |          |   |                  |   |          |  
|LIABILITIES AND STOCKHOLDERS EQUITY                                                                                                                    |  |               |          |   |                  |   |          |  
|Current liabilities:                                                                                                                                    |  |               |          |   |                  |   |          |  
|Accounts payable                                                                                                                                        |  | $             | 11,666   |   |                  | $ | 16,412   |  
|Accrued expenses                                                                                                                                        |  |               | 12,604   |   |                  |   | 13,294   |  
|Restructuring reserve, current portion                                                                                                                  |  |               | 947      |   |                  |   | 1,518    |  
|Deferred revenue, current portion (including $4,035 and $4,142 from a related party at March 31, 2008 and December 31,
2007)                            |  |               | 5,275    |   |                  |   | 5,478    |  
|Accrued interest on convertible senior notes                                                                                                            |  |               | 3,148    |   |                  |   | 1,649    |  
|Derivative liability  warrants                                                                                                                         |  |               | 4,600    |   |                  |   |         |  
|Convertible senior notes, current portion                                                                                                               |  |               | 30,281   |   |                  |   |         |  
|Equipment loans payable, current portion                                                                                                                |  |               | 2,333    |   |                  |   | 2,712    |  
|                                                                                                                                                        |  |               |          |   |                  |   |          |  
|Total current liabilities                                                                                                                               |  |               | 70,854   |   |                  |   | 41,063   |  
|Convertible senior notes, at carrying value, net of discounts (face amount of $171.6 million and $120 million at March 31, 2008 and
December 31, 2007 ) |  |               | 125,194  |   |                  |   | 120,000  |  
|Equipment loans payable, less current portion                                                                                                           |  |               | 711      |   |                  |   | 1,160    |  
|Restructuring reserve, less current portion                                                                                                             |  |               | 5,325    |   |                  |   | 5,496    |  
|Other long term liabilities                                                                                                                             |  |               | 1,378    |   |                  |   | 1,845    |  
|                                                                                                                                                        |  |               |          |   |                  |   |          |  
|Total liabilities                                                                                                                                       |  |               | 203,462  |   |                  |   | 169,564  |  
|Stockholders equity:                                                                                                                                   |  |               |          |   |                  |   |          |  
|Preferred stock$0.001 par value; 5,000 shares authorized, no shares issued and outstanding at March 31, 2008 and December 31,
2007                     |  |               |         |   |                  |   |         |  
|Common stock$0.001 par value; 170,000 shares authorized, 63,648 and 63,092 shares issued and outstanding, at March 31, 2008 and
December 31, 2007      |  |               | 64       |   |                  |   | 63       |  
|Additional paid-in capital                                                                                                                              |  |               | 553,295  |   |                  |   | 532,173  |  
|Accumulated deficit                                                                                                                                     |  |               | (460,413 | ) |                  |   | (437,071 | )
|Accumulated other comprehensive gain                                                                                                                    |  |               | 109      |   |                  |   | 50       |  
|                                                                                                                                                        |  |               |          |   |                  |   |          |  
|Total stockholders equity                                                                                                                              |  |               | 93,055   |   |                  |   | 95,215   |  
|                                                                                                                                                        |  |               |          |   |                  |   |          |  
|Total liabilities and stockholders equity                                                                                                              |  | $             | 296,517  |   |                  | $ | 264,779  |  
|                                                                                                                                                        |  |               |          |   |                  |   |          |  

Note: The condensed consolidated balance sheet data at December 31, 2007 has been derived from the audited
consolidated financial statements at that date but does not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements.

See accompanying notes to condensed consolidated financial statements.



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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(In thousands, except per share data)

(Unaudited)



|                                                                                                                            |  |                             |         |   |      |   |         |  
|--------------------------------------------------------------------------------------------------------------------------- |  | --------------------------- | ------- | - | ---- | - | ------- | -
|                                                                                                                            |  | Three Months EndedMarch 31, |        
|                                                                                                                            |  | 2008                        |         |   | 2007 |  
|Revenue                                                                                                                     |  |                             |         |   |      |   |         |  
|Product (including related-party revenues of $153 and $760 for the three months ended March 31, 2008 and 2007)              |  | $                           | 11,201  |   |      | $ | 5,352   |  
|Collaborative (including related-party revenues of $2,106 and $2,141 for the three months ended March 31, 2008 and 2007)    |  |                             | 3,475   |   |      |   | 4,735   |  
|Grant                                                                                                                       |  |                             | 559     |   |      |   | 1,221   |  
|                                                                                                                            |  |                             |         |   |      |   |         |  
|Total revenue                                                                                                               |  |                             | 15,235  |   |      |   | 11,308  |  
|                                                                                                                            |  |                             |         |   |      |   |         |  
|Operating expenses:                                                                                                         |  |                             |         |   |      |   |         |  
|Cost of product revenue (including related-party costs of $189 and $765 for the three months ended March 31, 2008 and
2007) |  |                             | 7,877   |   |      |   | 4,892   |  
|Research and development                                                                                                    |  |                             | 14,861  |   |      |   | 11,639  |  
|Selling, general and administrative                                                                                         |  |                             | 9,624   |   |      |   | 5,247   |  
|Restructuring expenses                                                                                                      |  |                             | 59      |   |      |   | 83      |  
|                                                                                                                            |  |                             |         |   |      |   |         |  
|Total operating expenses                                                                                                    |  |                             | 32,421  |   |      |   | 21,861  |  
|                                                                                                                            |  |                             |         |   |      |   |         |  
|Loss from operations                                                                                                        |  |                             | (17,186 | ) |      |   | (10,553 | )
|Interest and other income (expense), net (including non-cash amortization of debt discounts)                                |  |                             | (1,993  | ) |      |   | 235     |  
|Loss on exchange of convertible notes                                                                                       |  |                             | (3,599  | ) |      |   |        |  
|Loss on net change in fair value of derivative assets and liabilities                                                       |  |                             | (564    | ) |      |   |        |  
|                                                                                                                            |  |                             |         |   |      |   |         |  
|Net loss                                                                                                                    |  | $                           | (23,342 | ) |      | $ | (10,318 | )
|                                                                                                                            |  |                             |         |   |      |   |         |  
|Basic and diluted net loss per share                                                                                        |  | $                           | (0.38   | ) |      | $ | (0.22   | )
|                                                                                                                            |  |                             |         |   |      |   |         |  
|Weighted average shares used in computing basic and diluted net loss per share                                              |  |                             | 61,206  |   |      |   | 47,567  |  
|                                                                                                                            |  |                             |         |   |      |   |         |  

See accompanying notes to condensed consolidated financial statements.



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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

(Unaudited)



|                                                                                                                                           |  |                             |         |   |      |   |         |  
|------------------------------------------------------------------------------------------------------------------------------------------ |  | --------------------------- | ------- | - | ---- | - | ------- | -
|                                                                                                                                           |  | Three Months EndedMarch 31, |        
|                                                                                                                                           |  | 2008                        |         |   | 2007 |  
|Operating activities:                                                                                                                      |  |                             |         |   |      |   |         |  
|Net loss                                                                                                                                   |  | $                           | (23,342 | ) |      | $ | (10,318 | )
|Adjustments to reconcile net loss to net cash used in operating activities:                                                                |  |                             |         |   |      |   |         |  
|Depreciation and amortization                                                                                                              |  |                             | 2,309   |   |      |   | 2,151   |  
|Non-cash share-based compensation                                                                                                          |  |                             | 3,474   |   |      |   | 1,061   |  
|Loss on exchange of convertible notes                                                                                                      |  |                             | 3,599   |   |      |   |        |  
|Loss on net change in fair value of derivative assets and liabilities                                                                      |  |                             | 564     |   |      |   |        |  
|Amortization of debt discount                                                                                                              |  |                             | 420     |   |      |   |        |  
|Changes in operating assets and liabilities:                                                                                               |  |                             |         |   |      |   |         |  
|Accounts receivable                                                                                                                        |  |                             | (2,734  | ) |      |   | (971    | )
|Inventory                                                                                                                                  |  |                             | 1,411   |   |      |   | (22     | )
|Other assets                                                                                                                               |  |                             | (1,302  | ) |      |   | (2,186  | )
|Accounts payable and accrued expenses                                                                                                      |  |                             | (4,400  | ) |      |   | (1,039  | )
|Restructuring reserve                                                                                                                      |  |                             | (742    | ) |      |   | (470    | )
|Deferred revenue                                                                                                                           |  |                             | (203    | ) |      |   | (321    | )
|                                                                                                                                           |  |                             |         |   |      |   |         |  
|Net cash used in operating activities                                                                                                      |  |                             | (20,946 | ) |      |   | (12,115 | )
|                                                                                                                                           |  |                             |         |   |      |   |         |  
|Investing activities:                                                                                                                      |  |                             |         |   |      |   |         |  
|Purchases of short-term investments                                                                                                        |  |                             | (84,620 | ) |      |   | (14,323 | )
|Sales and maturities of short-term investments                                                                                             |  |                             | 85,684  |   |      |   | 19,336  |  
|Purchases of property, plant and equipment, net                                                                                            |  |                             | (21,772 | ) |      |   | (1,186  | )
|Advances made to Celunol Corp.                                                                                                             |  |                             |        |   |      |   | (8,500  | )
|                                                                                                                                           |  |                             |         |   |      |   |         |  
|Net cash used in investing activities                                                                                                      |  |                             | (20,708 | ) |      |   | (4,673  | )
|                                                                                                                                           |  |                             |         |   |      |   |         |  
|Financing activities:                                                                                                                      |  |                             |         |   |      |   |         |  
|Proceeds from issuance of convertible notes, net of issuance costs of $3,521 and $4,348 for the three months ended March 31, 2008 and
2007 |  |                             | 50,829  |   |      |   | 95,652  |  
|Net cash paid for convertible hedge transaction                                                                                            |  |                             | (6,194  | ) |      |   |        |  
|Net cash paid upon conversion of 2008 Notes                                                                                                |  |                             | (291    | ) |      |   |        |  
|Principal payments on debt obligations                                                                                                     |  |                             | (828    | ) |      |   | (1,516  | )
|Proceeds from sale of common stock                                                                                                         |  |                             | 862     |   |      |   | 1,197   |  
|                                                                                                                                           |  |                             |         |   |      |   |         |  
|Net cash provided by financing activities                                                                                                  |  |                             | 44,378  |   |      |   | 95,333  |  
|                                                                                                                                           |  |                             |         |   |      |   |         |  
|Net increase in cash and cash equivalents                                                                                                  |  |                             | 2,724   |   |      |   | 78,545  |  
|Cash and cash equivalents at beginning of period                                                                                           |  |                             | 48,743  |   |      |   | 38,541  |  
|                                                                                                                                           |  |                             |         |   |      |   |         |  
|Cash and cash equivalents at end of period                                                                                                 |  | $                           | 51,467  |   |      | $ | 117,086 |  
|                                                                                                                                           |  |                             |         |   |      |   |         |  
|Supplemental disclosure of cash flow information:                                                                                          |  |                             |         |   |      |   |         |  
|Interest paid                                                                                                                              |  | $                           | 529     |   |      | $ | 157     |  
|                                                                                                                                           |  |                             |         |   |      |   |         |  
|Supplemental disclosure of non-cash operating and financing activities:                                                                    |  |                             |         |   |      |   |         |  
|Conversion of convertible senior notes to common stock                                                                                     |  | $                           | 900     |   |      | $ |        |  
|                                                                                                                                           |  |                             |         |   |      |   |         |  

See accompanying notes to condensed consolidated financial statements.



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NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. Organization and Summary of Significant Accounting Policies

The Company

Verenium Corporation (Verenium or the Company), formerly known as Diversa
Corporation, was incorporated in Delaware in 1992. The Company operates in two business segments, biofuels and specialty enzymes. Its biofuels business segment is focused on developing unique technical and operational capabilities designed to enable
the production and commercialization of biofuels, in particular ethanol from cellulosic biomass. Its specialty enzymes business segment develops customized enzymes for use within the alternative fuels, specialty industrial processes, and animal
nutrition and health markets to enable higher throughput, lower costs, and improved environmental outcomes.

In June 2007, the Company
completed a merger with Celunol Corp. (Celunol), a Delaware corporation that prior to the merger directed its integrated technologies to the production of low-cost cellulosic ethanol from an array of biomass sources. Following the
merger, Diversa was renamed Verenium Corporation, and Celunol was renamed Verenium Biofuels Corporation, a wholly-owned subsidiary of Verenium Corporation.

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared by
the Company in accordance with U.S. generally accepted accounting principles for interim financial information. Accordingly, they do not include all the information and footnotes required by U.S. generally accepted accounting principles for complete
financial statements. In the opinion of management, all adjustments, consisting of normal recurring accruals, which are necessary for a fair presentation of the results of the interim periods presented, have been included. The results of operations
for the interim periods are not necessarily indicative of results to be expected for any other interim period or for the year as a whole. These unaudited condensed consolidated financial statements and footnotes thereto should be read in conjunction
with the audited financial statements and footnotes thereto contained in the Companys Annual Report on Form 10-K for the year ended December 31, 2007 filed with the Securities and Exchange Commission (SEC) on March 17,
2008.

The Company has incurred net losses of $23.3 million for the three months ended March 31, 2008 and $89.7 million, $39.3
million, and $107.6 million for the years ended December 31, 2005, 2006 and 2007, respectively, and has an accumulated deficit of $460.4 million as of March 31, 2008. Based on the Companys operating plan, its existing working capital
is not sufficient to meet the cash requirements to fund the Companys planned operating expenses, capital expenditures, and working capital requirements through December 31, 2008 without additional sources of cash and/or the deferral,
reduction or elimination of significant planned expenditures.

These factors raise substantial doubt about the Companys ability to
continue as a going concern. The accompanying condensed consolidated financial statements have been prepared assuming that the Company will continue as a going concern. This basis of accounting contemplates the recovery of the Companys assets
and the satisfaction of liabilities in the normal course of business.

The Companys plan to address the expected shortfall of working
capital is to generate additional financing through a combination of corporate partnerships and collaborations, federal and state grant funding, incremental product sales, selling or financing assets, and, if necessary and available, the sale of
equity or debt securities. If the Company is unsuccessful in raising additional capital from any of these sources, it will defer, reduce, or eliminate certain planned expenditures. The Company will continue to consider other financing alternatives
including but not limited to, a divesture of all or part of its business. There can be no assurance that the Company will be able to obtain any sources of financing on acceptable terms, or at all. If the Company cannot obtain sufficient additional
financing in the short-term, it may be forced to restructure or significantly curtail its operations, file for bankruptcy or cease operations. The condensed consolidated financial statements do not include any adjustments relating to the
recoverability and classification of recorded asset amounts or amounts and classification of liabilities that might be necessary should the Company be forced to take any such actions.

Reclassification

Certain reclassifications to prior period information have been made to
conform to current presentation. For the three months ended March 31, 2008, the Company recorded $1.2 million of expenses related to the administration of the Companys patent portfolio and regulatory affairs in selling, general and
administrative on the condensed consolidated statement of operations. Expenses related to the administration of the Companys patent portfolio and regulatory affairs of $1.2 million for the three months ended March 31, 2007 were
reclassified from research and development expenses to selling, general and administrative expenses to conform to current year presentation.



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Basis of Consolidation

The condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries, including Verenium Biofuels Corporation (formerly Celunol Corp.), since its acquisition effective
June 20, 2007. All intercompany accounts have been eliminated in consolidation.

Use of Estimates

The preparation of financial statements in accordance with U.S. generally accepted accounting principles requires management to make estimates and
assumptions that affect amounts reported in the condensed consolidated financial statements and related footnotes. Actual results could differ from those estimates.

Derivative Financial Instruments

The Companys senior convertible notes (See Note
2) have been accounted for in accordance with Statement of Financial Accounting Standards (SFAS) No. 133, Accounting for Derivative Instruments and Hedging Activities (SFAS 133) and Emerging Issue
Task Force (EITF) No. 00-19, Accounting for Derivative Financial Instruments Indexed to, and Potentially settled in a Companys own Stock (EITF 00-19).

For derivative instruments that are required to be accounted for as assets or liabilities, the instrument is initially recorded at its fair value and
then at each reporting date, the change in fair value is recorded in the statement of operations.

If the embedded derivative instrument is
bifurcated and accounted for as an asset or liability, the proceeds from an issuance are first allocated to the fair value of the bifurcated derivative instruments. If there are also options or warrants that are required to be recorded as a
liability, the proceeds are next allocated to the fair value of those instruments. The remaining proceeds, if any, are allocated to the convertible instrument itself, usually resulting in that instrument being recorded at a discount from the face
amount.

Fair Value Measurements

On January 1, 2008, the Company adopted SFAS No. 157, Fair Value Measurements, (SFAS 157) which defines fair value, establishes a framework for measuring fair value in GAAP, and expands
disclosures about fair value measurements. SFAS 157 does not require any new fair value measurements, but provides guidance on how to measure fair value by providing a fair value hierarchy used to classify the source of the information. In
February 2008, the FASB deferred the effective date of SFAS 157 by one year for certain non-financial assets and non-financial liabilities, except those that are recognized or disclosed at fair value in the financial statements on a recurring
basis (at least annually). The Company adopted the provisions of SFAS 157, except as it applies to those nonfinancial assets and nonfinancial liabilities for which the effective date has been delayed by one year.

SFAS No. 157 establishes a three-level valuation hierarchy of valuation techniques that is based on observable and unobservable inputs.
Classification within the hierarchy is determined based on the lowest level of input that is significant to the fair value measurement. The first two inputs are considered observable and the last unobservable, that may be used to measure fair value
and include the following:

Level 1Quoted prices in active markets for identical assets or liabilities.

Level 2Inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices for similar assets or
liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

Level 3Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or
liabilities.



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As of March 31, 2008, the Company held certain assets and liabilities that are required to be
measured at fair value on a recurring basis, including its available-for-sale investments and its derivative instruments related to its 2008 Notes. The fair value of these assets and liabilities was determined using the following inputs in
accordance with SFAS 157 at March 31, 2008 (in thousands):



|                                                         |  |                                           |        |                                         |   |                                             |  |                                         |   |  |   |       
|-------------------------------------------------------- |  | ----------------------------------------- | ------ | --------------------------------------- | - | ------------------------------------------- |  | --------------------------------------- | - |  | - | ------
|                                                         |  | Fair Value Measurements at March 31, 2008
|                                                         |  | Balance atMarch 31,2008                   |        | Quoted Prices inActive Markets(Level 1) |   | Significant OtherObservable Inputs(Level 2) |  | SignificantUnobservable Inputs(Level 3)
|Cash equivalents (1)                                     |  | $                                         | 48,288 |                                         | $ | 48,288                                      |  | $                                       |  |  | $ |      
|Short term investments (2)                               |  |                                           | 8,229  |                                         |   | 8,229                                       |  |                                         |  |  |   |      
|Derivative liability  warrants (3)                      |  |                                           | 4,600  |                                         |   |                                            |  |                                         |  |  |   | 4,600 
|Derivative liability  conversion rights (4)             |  |                                           | 30,281 |                                         |   |                                            |  |                                         |  |  |   | 30,281
|Derivative asset, net  convertible hedge transaction(5) |  |                                           | 5,070  |                                         |   |                                            |  |                                         |  |  |   | 5,070 



|(1) | Included in cash and cash equivalents on the accompanying condensed consolidated balance sheet.
|--- | -----------------------------------------------------------------------------------------------



|(2) | Included in short-term investments on the accompanying condensed consolidated balance sheet.
|--- | --------------------------------------------------------------------------------------------



|(3) | Represents warrants issued in conjunction with the Companys 2008 Notes (See Note 2). Included in current liabilities on the accompanying condensed consolidated balance
sheet.
|--- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|(4) | Represents the conversion rights included in the Companys 2008 Notes (See Note 2). Included in current liabilities on the accompanying condensed consolidated balance
sheet.
|--- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|(5) | Represents the net fair value of the purchased call option and written call option entered into in connection with the issuance of the Companys 2008 Notes (See Note 2).
Included in non-current assets on the accompanying condensed consolidated balance sheet.
|--- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

The following table presents a
reconciliation of the assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) from December 31, 2007 to March 31, 2008 (in thousands):



|                                                  |  |                              |       |   |                                       |   |        |                                              |  |   |        |  
|------------------------------------------------- |  | ---------------------------- | ----- | - | ------------------------------------- | - | ------ | -------------------------------------------- |  | - | ------ | -
|                                                  |  | DerivativeLiability-Warrants |       |   | DerivativeLiability -ConversionRights |   |        | DerivativeAsset ConvertibleHedgeTransaction | 
|Balance at January 1, 2008                        |  | $                            |      |   |                                       | $ |       |                                              |  | $ |       |  
|Issuance of derivative instruments (1)            |  |                              | 4,700 |   |                                       |   | 31,135 |                                              |  |   | 6,194  |  
|Adjustment to fair value included in earnings (2) |  |                              | (100  | ) |                                       |   | (460   | )                                            |  |   | (1,124 | )
|Other adjustments (3)                             |  |                              |      |   |                                       |   | (394   | )                                            |  |   |       |  
|                                                  |  |                              |       |   |                                       |   |        |                                              |  |   |        |  
|Balance at March 31, 2008                         |  | $                            | 4,600 |   |                                       | $ | 30,281 |                                              |  | $ | 5,070  |  
|                                                  |  |                              |       |   |                                       |   |        |                                              |  |   |        |  



|(1) | Represents the derivative instruments related to the 2008 Notes offering in February 2008 (See Note 2).
|--- | -------------------------------------------------------------------------------------------------------



|(2) | The derivative warrants, conversion option and convertible hedge transaction are revalued at the end of each reporting period and the resulting difference is included in the results
of operations. For the three months ended March 31, 2008, the net adjustment to fair value resulted in a loss of $0.6 million and is included in loss on net change in fair value of derivative assets and liabilities on the
accompanying condensed consolidated statement of operations (See Note 2).
|--- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|(3) | Represents decrease in derivative liability related to conversion of $900,000 face value 2008 Notes (See Note 2).
|--- | -----------------------------------------------------------------------------------------------------------------

Revenue Recognition

The Company recognizes
revenue in accordance with Securities and Exchange Commission Staff Accounting Bulletin (SAB) No. 104,Revenue Recognition and EITF 00-21,Accounting for Revenue Arrangements with Multiple
Deliverables.

Under SAB No. 104, revenue is recognized when the following criteria have been met: i) persuasive evidence of
an arrangement exists; ii) services have been rendered or product has been delivered; iii) price to the customer is fixed and determinable; and iv) collection of the underlying receivable is reasonably assured.

Billings to customers or payments received from customers are included in deferred revenue on the balance sheet until all revenue recognition criteria
are met. As of March 31, 2008, the Company had $5.3 million in deferred revenue, of which $5.2 million was related to funding from collaborative partners and $0.1 million was related to product sales.



8



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##### Table of Contents

Product Revenue

The Company recognizes product revenue at the time of shipment to the customer provided all other revenue recognition criteria have been met. The Company recognizes revenue on product sales through third-party
distribution agreements, if the distributor has a right of return, in accordance with the provisions set forth in SFAS No. 48, Revenue Recognition When Right of Return Exists. Under SFAS No. 48, the Company recognizes
product revenues upon shipment to distributors, provided that (i) the price is substantially fixed and determinable at the time of sale; (ii) the distributors obligation to pay the Company is not contingent upon resale of the
products; (iii) title and risk of loss passes to the distributor at time of shipment; (iv) the distributor has economic substance apart from that provided by the Company; (v) the Company has no significant obligation to the
distributor to bring about resale of the products; and (vi) future returns can be reasonably estimated. For any sales that do not meet all of the above criteria, revenue is deferred until all such criteria have been met.

The Company recognizes product profit-sharing revenue during the quarter in which such revenue is earned, generally upon shipment of product to the end
user, based on information provided by the Companys profit-sharing partner. Profit-sharing revenue is included in product revenue in the statement of operations.

Collaborative Revenue

The Company recognizes revenue from research funding under collaboration
agreements when earned on a proportional performance basis as research hours are incurred. The Company performs services as specified in each respective agreement on a best-efforts basis, and is reimbursed based on labor hours incurred
on each contract. The Company initially defers revenue for any amounts billed or payments received in advance of the services being performed and recognizes revenue pursuant to the related pattern of performance, based on total labor hours incurred
relative to total labor hours estimated under the contract.

The Company recognizes fees received to initiate research projects over the
life of the project. The Company recognizes fees received for exclusivity in a field over the period of exclusivity.

The Company
recognizes milestone payments when earned, as evidenced by written acknowledgement from the collaborator, provided that (i) the milestone event is substantive and its achievability was not reasonably assured at the inception of the agreement,
(ii) the milestone represents the culmination of an earnings process, (iii) the milestone payment is non-refundable and (iv) the Companys past research and development services, as well as its ongoing commitment to provide
research and development services under the collaboration, are charged at fees that are comparable to the fees that the Company customarily charges for similar research and development services.

Grant Revenue

The Company recognizes
revenue from grants as related costs are incurred, as long as such costs are within the funding limits specified by the underlying grant agreements.

Revenue Arrangements with Multiple Deliverables

The Company sometimes enters into revenue
arrangements that contain multiple deliverables in accordance with EITF No. 00-21. This issue addresses the timing and method of revenue recognition for revenue arrangements that include the delivery of more than one product or service. In these
cases, the Company recognizes revenue from each element of the arrangement as long as separate value for each element can be determined, the Company has completed its obligation to deliver or perform on that element, and collection of the resulting
receivable is reasonably assured.

Computation of Net Loss per Share

Basic and diluted net loss per share has been computed using the weighted-average number of shares of common stock outstanding during the period. The
Company had 0.5 million and 0.8 million unvested restricted shares outstanding as of March 31, 2008 and 2007. Additionally, pursuant to the merger agreement with Celunol, 1.5 million shares of the Companys common stock
issued to former Celunol stockholders were placed in an escrow account until June 20, 2008 to satisfy the indemnification obligations of Celunol for breaches of the representations and warranties contained in the merger agreement or any legal
proceedings related thereto.

For purposes of the computation of net loss per share, the unvested restricted shares and the shares held in
escrow are considered contingently returnable shares under SFAS No. 128, Earnings Per Share, and are not considered outstanding common shares for purposes of computing net loss per share until all necessary conditions are met
that no longer cause the shares to be contingently returnable. The impact of these unvested shares on weighted average shares outstanding has been excluded for purposes of computing net loss per share (in thousands, except per share data).



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|                                                                               |  |                             |         |   |      |   |         |  
|------------------------------------------------------------------------------ |  | --------------------------- | ------- | - | ---- | - | ------- | -
|                                                                               |  | Three Months EndedMarch 31, |        
|                                                                               |  | 2008                        |         |   | 2007 |  
|Weighted average shares outstanding during the period                          |  |                             | 63,249  |   |      |   | 48,371  |  
|Less: Weighted average contingently returnable shares outstanding              |  |                             | (2,043  | ) |      |   | (804    | )
|                                                                               |  |                             |         |   |      |   |         |  
|Weighted average shares used in computing basic and diluted net loss per share |  |                             | 61,206  |   |      |   | 47,567  |  
|                                                                               |  |                             |         |   |      |   |         |  
|Net loss                                                                       |  | $                           | (23,342 | ) |      | $ | (10,318 | )
|                                                                               |  |                             |         |   |      |   |         |  
|Net loss per share, basic and diluted                                          |  | $                           | (0.38   | ) |      | $ | (0.22   | )
|                                                                               |  |                             |         |   |      |   |         |  

The Company has excluded all common stock equivalent shares issuable upon exercise or conversion
of outstanding stock options, warrants and convertible debt from the calculation of diluted net loss per share because all such securities are anti-dilutive for all applicable periods presented.

2. Convertible Debt

Carrying value of the
Companys convertible debt is set forth below (in thousands):



|                                                                       |  |               |         |   |                  |   |        
|---------------------------------------------------------------------- |  | ------------- | ------- | - | ---------------- | - | -------
|                                                                       |  | March 31,2008 |         |   | December 31,2007
|$101.5 million principal 5.5% Senior Convertible Notes, issued in 2007 |  | $             | 101,500 |   |                  | $ | 120,000
|$70.1 million principal 8% Senior Convertible Notes, issued in 2008    |  |               | 53,975  |   |                  |   |       
|                                                                       |  |               |         |   |                  |   |        
|Total carrying value                                                   |  |               | 155,475 |   |                  |   | 120,000
|Less: Current portion                                                  |  |               | (30,281 | ) |                  |   |       
|                                                                       |  |               |         |   |                  |   |        
|Carrying value, non current portion                                    |  | $             | 125,194 |   |                  | $ | 120,000
|                                                                       |  |               |         |   |                  |   |        

A reconciliation of the face value of the 2008 Notes to their carrying value is set forth below
(in thousands):



|                                            |  |               |         |   |                  |   |  
|------------------------------------------- |  | ------------- | ------- | - | ---------------- | - | -
|                                            |  | March 31,2008 |         |   | December 31,2007
|Debt host                                   |  | $             | 35,219  |   |                  | $ | 
|Derivative liability  conversion rights    |  |               | 30,281  |   |                  |   | 
|Fair value of warrants                      |  |               | 4,600   |   |                  |   | 
|                                            |  |               |         |   |                  |   |  
|Face value                                  |  |               | 70,100  |   |                  |   | 
|Less: Unamortized discount (net of premium) |  |               | (16,125 | ) |                  |   | 
|                                            |  |               |         |   |                  |   |  
|Total carrying value                        |  | $             | 53,975  |   |                  | $ | 
|                                            |  |               |         |   |                  |   |  

2007 Convertible Notes Offering

In March 2007, the Company completed an offering of $100 million aggregate principal amount of 5.50% Convertible Senior Notes due April 1, 2027
(2007 Notes) in a private placement, generating net cash proceeds to the Company of approximately $95.5 million. In April 2007, the initial purchasers exercised in full their over-allotment option to purchase an additional $20 million
aggregate principal amount of 2007 Notes, generating additional net cash proceeds to the Company of approximately $19.3 million. The 2007 Notes have been registered under the Securities Act of 1933, as amended, to permit registered resale of the
2007 Notes and of the Verenium common stock issuable upon conversion of the 2007 Notes. As more fully described below, $18.5 million in face value of the 2007 Notes were exchanged for new debt pursuant to the Companys issuance of its 2008
Notes. As of March 31, 2008 the Company had $101.5 million in face value outstanding under the 2007 Notes.



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##### Table of Contents

The 2007 Notes bear interest at 5.50% per year, payable in cash semi-annually, and are convertible
at the option of the holders at any time prior to maturity, redemption or repurchase into shares of Verenium common stock at an initial conversion rate of 122.5490 shares per $1,000 principal amount of 2007 Notes (subject to adjustment in certain
circumstances), which represents an initial conversion price of $8.16 per share. On April 1, 2008, in accordance with the 2007 Notes agreement, the conversion rate of the 2007 Notes was increased to 156.25 shares per $1,000 principal amount,
which represents a conversion price of $6.40 per share, which was the closing price per share of the Companys common stock on the date of the offering. As a result of the change in the conversion price, total common shares that would be issued
assuming conversion of the entire $101.5 million in 2007 Notes increased from 12.4 million shares to 15.9 million shares.

On or
after April 5, 2012, the Company may, at its option, redeem the 2007 Notes, in whole or in part, for cash at a redemption price equal to 100% of the principal amount of the 2007 Notes to be redeemed plus any accrued and unpaid interest to the
redemption date. On each of April 1, 2012, April 1, 2017 and April 1, 2022, holders may require the Company to purchase all or a portion of their 2007 Notes at a purchase price in cash equal to 100% of the principal amount of the
notes to be purchased plus any accrued and unpaid interest to the purchase date. Holders may also require the Company to repurchase all or a portion of their 2007 Notes upon a fundamental change at a repurchase price in cash equal to
100% of the principal amount of 2007 Notes to be repurchased plus any accrued and unpaid interest to the repurchase date. Pursuant to the terms of the 2007 Notes, a fundamental change is broadly defined as 1) a change in control, or 2) a
termination of trading of the Companys common stock.

In connection with the 2007 Notes offering, the Company paid $5.2 million in
financing charges, which is reflected in other long term assets on the accompanying condensed balance sheet, and is being amortized to interest expense over the initial five-year term of the 2007 Notes using the effective interest method.

2008 Convertible Notes Offering

On February 22, 2008, the Company completed a private placement of 8% senior convertible notes due April 1, 2012 and warrants to purchase its common stock (2008 Notes). Concurrently with entering into the purchase
agreement, the Company also entered into senior notes exchange agreements with certain existing noteholders of the 2007 Notes pursuant to which such noteholders exchanged approximately $18.5 million in aggregate principal amount of the 2007 Notes
for approximately $16.7 million in aggregate principal amount of the 2008 Notes and for warrants to purchase common stock. Including the 2008 Notes to be issued in exchange for the 2007 Notes, the Company issued $71 million in aggregate principal
amount of the 2008 Notes and warrants to purchase approximately 8 million shares of common stock. Gross proceeds from new investment were approximately $54 million and net proceeds from new investment, after giving effect to payment of certain
transaction-related expenses and the cash cost of the convertible hedge transaction described below, were approximately $45 million.

The
2008 Notes are convertible on the date of their issuance. Their initial conversion price is equal to $4.09 per share. The conversion price is subject to full ratchet anti-dilution protection and a reset provision whereby, to the extent the volume
weighted average price of the Companys common stock during the seven trading days prior to the one-year anniversary of the issuance of the 2008 Notes is less than $3.55 per share, the conversion price will reset to the greater of $2.13 per
share or 115% of the volume weighted average price of the common stock at that time. The 2008 Notes are subject to automatic conversion at the Companys option if the Companys closing stock price exceeds $8.18 per share over a 30-trading
day period ending prior to the date the Company provides notice of the automatic conversion to investors, the average daily trading volume of its stock over that 30-trading day period equals or exceeds $3 million, and certain other conditions are
met.

The warrants are exercisable six months after their issuance. The initial exercise price of the warrants is $4.44 per share. The
exercise price is subject to weighted average anti-dilution protection.

In connection with the transactions described above, the Company
entered into a convertible hedge transaction, which is intended to reduce the potential dilution upon conversion of the 2008 Notes. The convertible hedge transaction is composed of two separate call options. Under the first call option (the
Lower Call), on April 1, 2012 (or earlier upon conversion of the 2008 Notes), the Company will be entitled to purchase 13,288,509 shares of its own common stock from the counterparty at a price per share equal to the initial
conversion price (or a proportion of such number of shares based on the proportion of the 2008 Notes being converted). Under the second call option (the Upper Call), on three exercise dates staggered in six month intervals beginning on
October 1, 2013, the counterparty will be entitled to purchase 13,288,509 shares of the Companys common stock at a price per share of $5.16. The net cash cost of the convertible hedge transaction was approximately $6.2 million.

Periodic interest payments on the 2008 Notes are approximately $1.4 million every three months, assuming an outstanding balance of $71.0
million, and is payable on January 1, April 1, July 1 and October 1, of each year. Subject to the satisfaction of certain conditions, interest payments on the 2008 Notes may be made, at the Companys option, in
shares of common stock, valued at a 5% discount to the stock price at the time of payment of the interest.



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##### Table of Contents

Under Nasdaq rules, the Company is restricted, without prior shareholder approval, from issuing shares
underlying the 2008 Notes and warrants that would exceed 20% of its total outstanding shares. In the event that the Company does not receive shareholder approval for issuances of shares beyond 19.9% of the number of the Companys issued and
outstanding shares (Exchange Cap) as of February 22, 2008, any required share issuances under the 2008 Notes and warrants in excess of that amount will be cash settled in an amount per share equal to the closing sales price of the
Companys common stock on the conversion date.

The Company is subject to certain restrictive covenants under the 2008 Notes,
including the following:



| |  |  | If the Company sells, transfers or disposes of any part of its specialty enzymes business unit (other than sales or licenses in the ordinary course of business and
other than any sales, dispositions or other transfers, in one or a series of related transactions, providing for gross proceeds of $1 million or less), it is required to deposit cash in a restricted cash account for the benefit of the holders of the
2008 Notes in an amount equal to the lesser of 50% of the total consideration received for such sale, transfer or disposition and 50% of the then outstanding principal amount of the 2008 Notes. The obligation to make such a deposit terminates when
the closing sale price of the Companys common stock exceeds $7.00 per share for 30 consecutive trading days, the average daily trading volume for such period is at least $2 million and all shares issuable upon conversion of the 2008 Notes are
registered for resale pursuant to effective registration statements or freely saleable during such period.
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | The Company is not permitted to incur indebtedness, other than certain project financing debt or up to $15 million in principal amount of debt, provided that if the
closing sale price of the Companys common stock exceeds $8.00 per share for 30 consecutive trading days, the limit on additional indebtedness increases to $30 million and if the closing sale price of the common stock exceeds $12.00 per share
for 30 consecutive trading days, the limit on additional indebtedness increases to $50 million. In addition, the Company is restricted from incurring or permitting to exist any secured debt or debt that is senior to the 2008 Notes other than certain
project financing debt or $15 million principal amount of debt, subject to increase as described above.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | The Company is not permitted to repay, restructure, amend, redeem, exchange or repurchase all or any portion of the outstanding 2007 Notes, except for repayments or
redemptions required by the terms of such notes.
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Conversion of 2008 Notes

On March 12, 2008, one noteholder of the Companys 2008 Notes converted principal in the amount of $0.9 million into 220,048 shares of the
Companys common stock. The conversion price was equal to the initial conversion price of $4.09 per share. The Company also made a make-whole payment to the noteholder in the amount of $0.3 million related to the unpaid interest from the period
of the conversion through the maturity of the 2008 Notes, April 1, 2012, in accordance with the 2008 Notes agreement.

Allocation
of Cash Proceeds to 2008 Notes and Valuation of Embedded Features

The Company has allocated the proceeds received from the 2008 Notes
among the underlying debt instruments, conversion rights, and the detachable warrants, as follows:



|                                |  |   |       
|------------------------------- |  | - | ------
|Fair value of conversion rights |  | $ | 31,135
|Fair value of warrants          |  |   | 4,700 
|Debt host instrument            |  |   | 35,165
|                                |  |   |       
|Face Value of 8% Notes          |  | $ | 71,000
|                                |  |   |       

At inception, the fair value of the conversion rights of $31.1 million and the detachable warrants
of $4.7 million were separated from the debt host contract and recorded as derivative liabilities which resulted in a reduction of the initial notional carrying amount of the 2008 Notes as unamortized discount, which is being accreted over the term
of the 2008 Notes using the effective interest method.

The derivative liability arising from the conversion rights could require cash
settlement within one year of any balance sheet date under certain conditions outside of the Companys control, including, but not limited to, payments in connection with a conversion at the option of the noteholder. Based upon this, the
Company has reported the derivative



12



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##### Table of Contents

liability related to the embedded conversion rights as current portion of convertible debt on its condensed consolidated balance sheet. All or a portion of
the embedded conversion option value may be reclassified into stockholders equity subsequent to shareholder approval of shares in excess of the Exchange Cap; however, until that time the derivative liability will be marked to market at the end
of each reporting period, with any change in value reported as a non-operating expense or income in the consolidated statement of operations. The fair value of the embedded conversion rights was determined using a lattice valuation
methodology.

The derivative liability arising from the warrants could require cash settlement within one year from the balance sheet date
since warrants become exercisable in August 2008. Based upon this, the Company has reported the derivative liability related to the warrants as a current liability on its condensed consolidated balance sheet. The derivative liability will be marked
to market at the end of each reporting period, with any change in value reported as a non-operating expense or income in the consolidated statement of operations. The fair value of the warrants was determined using the Black-Scholes Merton
methodology.

Beneficial Conversion Feature

The Company recorded an additional debt discount of $16.1 million related to a beneficial conversion feature resulting from the issuance of the 2008 Notes. The beneficial conversion feature was determined by
calculating the difference between the effective conversion price resulting from the carrying value of the 2008 Notes and the fair value of the Companys common stock at the date of issuance. The beneficial conversion feature is being accreted
over the term of the 2008 Notes using the effective interest method.

Valuation of Convertible Hedge Transaction

The Company recorded a derivative asset of $6.2 million, representing the net cash paid by the Company to the counterparty of the Lower and Upper Call.
The convertible hedge transaction does not qualify for equity classification under EITF No. 00-19, as there are potential circumstances, though remote, where cash settlement may be required. As such, the net fair value of the convertible hedge
transaction has been reported as a noncurrent derivative asset on the condensed consolidated balance sheet and is marked to market at the end of each reporting period, with any change in value reported as a non-operating expense or income in the
consolidated statement of operations. The Company has determined that the initial cash paid for each of the Lower and Upper Calls approximated fair value. The fair values of the Lower and Upper Call options subsequent to the initial issuance date
were determined using the Black-Scholes Merton methodology.

Impact of Fair Value Remeasurements

The fair value of the conversion rights, warrants, and the Lower and Upper Calls are marked-to-market each balance sheet date and recorded as a derivative
asset or liability. The change in fair value is recorded in the statement of operations as non-operating expense or income. Upon conversion or exercise of a derivative instrument, the instrument will be marked to fair value at the conversion date
and then that fair value will be reclassified to equity.

The fair value of the conversion rights, warrants and convertible hedge
transaction are primarily affected by the Companys stock price, but are also affected by the Companys stock price volatility, expected life and interest rates. During the three months ended March 31, 2008, the Company recorded a net
charge of $0.6 million related to the change in fair value of the derivative asset and liabilities between the transaction closing date of February 22, 2008 and March 31, 2008.

Loss on Exchange of Notes

In
connection with the issuance of the 2008 Notes, the Company exchanged $18.5 million in aggregate principal amount of the 2007 Notes for approximately $16.7 million in aggregate principal amount of the 2008 Notes. Pursuant to EITF 96-19,
Debtors Accounting for a Modification or Exchange of Debt Instruments, an exchange of debt instruments with substantially different terms is a debt extinguishment and requires the recognition of a gain or loss on exchange.
The Company determined that the exchange qualified as a debt extinguishment under EITF No, 96-19, and recorded a loss on the exchange of $3.6 million from the difference between the carrying value of the 2007 Notes and the fair value of the 2008
Notes and Warrants issued. In connection with the exchange, and pursuant to the EITF 96-19, the $16.7 million in face value 2008 Notes issued in the exchange was recorded at their derived fair value of approximately $20.3 million on the date of
exchange, resulting in a debt premium of approximately $3.7 million which is being amortized as an offset to interest expense using the effective interest method over the approximately 4year term of the 2008 Notes.



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The fair value of the 2008 Notes issued in the exchange was determined using a lattice model,
consistent with the methodology used to derive the fair value of the embedded conversion rights.

Interest Expense on 2008 Notes

For the three months ended March 31, 2008, the Company recorded interest expense related to the 2008 Notes of $1.1 million, as
follows:



|                                                                        |  |   |      
|----------------------------------------------------------------------- |  | - | -----
|8% coupon interest, payable in cash                                     |  | $ | 530  
|Non-cash amortization of debt discount, net of premium accretion        |  |   | 420  
|Non-cash amortization of debt issuance costs                            |  |   | 70   
|Write-off of unamortized debt issuance costs related to converted notes |  |   | 44   
|                                                                        |  |   |      
|                                                                        |  | $ | 1,064
|                                                                        |  |   |      

The initial debt discount related to the
embedded conversion rights, detachable warrants, and beneficial conversion feature and premium related to the fair value adjustment for exchanged notes total $39.8 million. The unamortized value of the debt discount is included in the carrying value
of the 2008 Notes on the accompanying condensed balance sheet. Debt issuance costs at inception totaled $3.5 million, and are reflected in other long term assets on the accompanying condensed balance sheet. The debt discounts and debt issuance costs
are being amortized into interest expense over the term of the 2008 Notes, or approximately 4 years.

3. Goodwill

As of March 31, 2008, the Company had $106.1 million of goodwill on its condensed consolidated balance sheet, all of which resulted from its
merger with Celunol in June 2007.

The Company records goodwill and other intangible assets in accordance with SFAS No. 142,
Goodwill and Other Intangible Assets.The purchase method of accounting for acquisitions requires extensive use of accounting estimates and judgments to allocate the purchase price to the fair value of the net tangible and
intangible assets acquired. The Company uses the discounted cash flow method to estimate the value of intangible assets acquired. The estimates used to value and amortize intangible assets are consistent with the plans and estimates that the Company
uses to manage its business and are based on available historical information and industry estimates and averages. These judgments can significantly affect the Companys net operating results.

SFAS No. 142 requires that goodwill and certain intangible assets be assessed for impairment
on an annual basis, or more frequently if indicators of impairment exist, using fair value measurement techniques. If the carrying amount of a reporting unit exceeds its fair value, then a goodwill impairment test is performed to measure the amount
of the impairment loss, if any. The goodwill impairment test, which the Company performs annually as of October 1st, compares the implied fair
value of the reporting units goodwill with the carrying amount of that goodwill. The implied fair value of goodwill is determined in the same manner as in a business combination. Determining the fair value of the implied goodwill is judgmental
in nature and often involves the use of significant estimates and assumptions. These estimates and assumptions could have a significant impact on whether or not an impairment charge is recognized and also the magnitude of any such charge. Estimates
of fair value are primarily determined using discounted cash flows and market comparisons. These approaches use significant estimates and assumptions, including projection and timing of future cash flows, discount rates reflecting the risk inherent
in future cash flows, perpetual growth rates, determination of appropriate market comparables, and determination of whether a premium or discount should be applied to comparables. It is reasonably possible that the plans and estimates used to value
these assets may be incorrect. If actual results, or the plans and estimates used in future impairment analyses, are lower than the original estimates used to assess the recoverability of these assets, the Company could incur impairment charges.



14



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##### Table of Contents

4. Balance Sheet Details

Inventory

Inventory is recorded at standard cost on a FIFO basis. Inventory consists of the
following (in thousands) as of:



|                 |  |               |       |   |                  |   |       |  
|---------------- |  | ------------- | ----- | - | ---------------- | - | ----- | -
|                 |  | March 31,2008 |       |   | December 31,2007 |  
|Raw materials    |  | $             | 747   |   |                  | $ | 621   |  
|Work in progress |  |               | 111   |   |                  |   | 115   |  
|Finished goods   |  |               | 3,985 |   |                  |   | 5,518 |  
|                 |  |               |       |   |                  |   |       |  
|                 |  |               | 4,843 |   |                  |   | 6,254 |  
|Reserve          |  |               | (350  | ) |                  |   | (350  | )
|                 |  |               |       |   |                  |   |       |  
|Net inventory    |  | $             | 4,493 |   |                  | $ | 5,904 |  
|                 |  |               |       |   |                  |   |       |  

Property and equipment

Property and equipment is stated at cost and depreciated over the estimated useful lives of the assets (generally three to ten years) using the
straight-line method.

Property and equipment consist of the following (in thousands) as of:



|                                                 |  |               |         |   |                  |   |         |  
|------------------------------------------------ |  | ------------- | ------- | - | ---------------- | - | ------- | -
|                                                 |  | March 31,2008 |         |   | December 31,2007 |  
|Laboratory, machinery and equipment              |  | $             | 51,244  |   |                  | $ | 50,654  |  
|Computer equipment                               |  |               | 12,792  |   |                  |   | 12,177  |  
|Furniture and fixtures                           |  |               | 5,692   |   |                  |   | 5,549   |  
|Leasehold improvements                           |  |               | 9,680   |   |                  |   | 9,755   |  
|Land                                             |  |               | 1,580   |   |                  |   | 1,580   |  
|Pilot facility                                   |  |               | 19,173  |   |                  |   | 17,726  |  
|Construction-in-progress, demonstration facility |  |               | 64,961  |   |                  |   | 45,913  |  
|                                                 |  |               |         |   |                  |   |         |  
|Property and equipment, gross                    |  |               | 165,122 |   |                  |   | 143,354 |  
|Less: Accumulated depreciation and reserves      |  |               | (68,997 | ) |                  |   | (66,691 | )
|                                                 |  |               |         |   |                  |   |         |  
|Property and equipment, net                      |  | $             | 96,125  |   |                  | $ | 76,663  |  
|                                                 |  |               |         |   |                  |   |         |  

Pursuant to SFAS No. 34, Capitalization of Interest Cost, the Company
capitalizes interest on capital projects. Capitalization commences with the first expenditure for the project and continues until the project is substantially complete and ready for its intended use. The Company amortizes the capitalized interest to
depreciation expense using the straight-line method over the same lives as the related assets. Included in the costs of its demonstration facility as of March 31, 2008 is $1.4 million in capitalized interest, which was determined by applying
the Companys effective interest rate to the average amount of accumulated expenditures on its demonstration facility.

Depreciation
of property and equipment is provided on the straight-line method over estimated useful lives as follows:



|                                    |  |         
|----------------------------------- |  | --------
|Laboratory, machinery and equipment |  | 5 years 
|Computer equipment                  |  | 3 years 
|Furniture and fixtures              |  | 5 years 
|Machinery and equipment             |  | 5 years 
|Pilot facility                      |  | 10 years

Leasehold improvements are amortized using the shorter of the estimated useful life or remaining
lease term. Depreciation related to the pilot facility assets begins in the period that such assets are placed in service.

The Company
reviews long-lived assets, including leasehold improvements, property and equipment, for impairment whenever events or changes in business circumstances indicate that the carrying amount of the assets may not be fully recoverable.



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##### Table of Contents

Accrued liabilities

Accrued liabilities consist of the following (in thousands) as of:



|                                                            |  |               |        |                  |   |       
|----------------------------------------------------------- |  | ------------- | ------ | ---------------- | - | ------
|                                                            |  | March 31,2008 |        | December 31,2007
|Professional and outside services                           |  | $             | 2,522  |                  | $ | 2,456 
|Employee compensation-related                               |  |               | 3,730  |                  |   | 8,078 
|Demonstration plant estimated work completed (not invoiced) |  |               | 2,610  |                  |   |      
|Sales and use tax payable                                   |  |               | 1,922  |                  |   | 1,572 
|Deferred rent, current portion                              |  |               | 97     |                  |   | 95    
|Other                                                       |  |               | 1,723  |                  |   | 1,093 
|                                                            |  |               |        |                  |   |       
|Total accrued expenses                                      |  | $             | 12,604 |                  | $ | 13,294
|                                                            |  |               |        |                  |   |       

5. Segment Information and Concentration of Business Risk

Segment Information

Following the
merger with Celunol on June 20, 2007, the Company consisted of two segments, as defined by SFAS No. 131, Disclosures about Segments of an Enterprise and Related Information, identified as biofuels and specialty enzymes.
The biofuels segment is focused on developing unique technical and operational capabilities designed to enable the production and commercialization of biofuels, in particular ethanol from cellulosic biomass. The specialty enzymes segment develops
high performance enzymes for use within the alternative fuels, specialty industrial processes, and animal nutrition and health markets to enable higher throughput, lower costs, and improved environmental outcomes.

Management assesses performance and allocates resources based on discrete financial information for the biofuels and specialty enzymes business segments.
For the biofuels segment, performance is assessed based on total operating expenses and capital expenditures. For the specialty enzymes segment, performance is assessed based on total revenues, product revenues, product gross profit and total
operating expenses and capital expenditures. For the three months ended March 31, 2008, the specialty enzymes segment comprised 100% of total revenues, product revenue, and cost of product revenue. Operating expenses for each segment include
direct and allocated research and development and selling, general and administrative expenses. In managements evaluation of performance, certain corporate operating expenses are excluded from the business segments such as: non-cash
share-based compensation, restructuring charges, severance, depreciation and amortization, and other corporate expenses, which are not allocated to either business segment. In addition, management evaluates segment performance based upon capital
expenditures and other assets that are specifically identified to the business segment and excludes certain corporate assets like goodwill and other assets that can be attributed to, or utilized by, both business segments. Expenses and assets shared
by the segments require the use of judgments and estimates in determining the allocation of expenses to the two segments. Different assumptions or allocation methods could result in materially different results by segment.

Selected operating results for each of the Companys business segments are set forth below (in thousands):



|                                |  |                                   |        |   |                  |   |        |           |  |   |        |   |  |   |         |  
|------------------------------- |  | --------------------------------- | ------ | - | ---------------- | - | ------ | --------- |  | - | ------ | - |  | - | ------- | -
|                                |  | Three Months Ended March 31, 2008 |       
|                                |  | Biofuels                          |        |   | SpecialtyEnzymes |   |        | Corporate |  |   | Total  |  
|Product revenue                 |  | $                                 |       |   |                  | $ | 11,201 |           |  | $ |       |   |  | $ | 11,201  |  
|Collaborative and grant revenue |  |                                   |       |   |                  |   | 4,034  |           |  |   |       |   |  |   | 4,034   |  
|                                |  |                                   |        |   |                  |   |        |           |  |   |        |   |  |   |         |  
|Total revenues                  |  | $                                 |       |   |                  | $ | 15,235 |           |  | $ |       |   |  | $ | 15,235  |  
|                                |  |                                   |        |   |                  |   |        |           |  |   |        |   |  |   |         |  
|Product gross profit            |  | $                                 |       |   |                  | $ | 3,324  |           |  | $ |       |   |  | $ | 3,324   |  
|                                |  |                                   |        |   |                  |   |        |           |  |   |        |   |  |   |         |  
|Operating expenses              |  | $                                 | 9,989  |   |                  | $ | 9,554  |           |  | $ | 5,001  |   |  | $ | 24,544  |  
|                                |  |                                   |        |   |                  |   |        |           |  |   |        |   |  |   |         |  
|Operating loss                  |  | $                                 | (9,989 | ) |                  | $ | (2,196 | )         |  | $ | (5,001 | ) |  | $ | (17,186 | )
|                                |  |                                   |        |   |                  |   |        |           |  |   |        |   |  |   |         |  
|Capital expenditures            |  | $                                 | 20,495 |   |                  | $ | 484    |           |  | $ | 793    |   |  | $ | 21,772  |  
|                                |  |                                   |        |   |                  |   |        |           |  |   |        |   |  |   |         |  



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##### Table of Contents

Identifiable assets by operating segment are set forth below (in thousands):



|                                 |  |                      |        |                  |   |           |  |       |         |  |   |        
|-------------------------------- |  | -------------------- | ------ | ---------------- | - | --------- |  | ----- | ------- |  | - | -------
|                                 |  | As of March 31, 2008
|                                 |  | Biofuels             |        | SpecialtyEnzymes |   | Corporate |  | Total
|Goodwill                         |  | $                    |       |                  | $ |          |  | $     | 106,134 |  | $ | 106,134
|Property, plant & equipment, net |  |                      | 82,956 |                  |   | 6,002     |  |       | 7,167   |  |   | 96,125 
|Other assets                     |  |                      | 1,487  |                  |   | 18,344    |  |       | 74,427  |  |   | 94,258 
|                                 |  |                      |        |                  |   |           |  |       |         |  |   |        
|Total identifiable assets        |  | $                    | 84,443 |                  | $ | 24,346    |  | $     | 187,728 |  | $ | 296,517
|                                 |  |                      |        |                  |   |           |  |       |         |  |   |        

Concentrations of Business Risk

A relatively small number of customers and collaboration partners historically have accounted for a significant percentage of the Companys revenue.
Revenue from significant customers and/or collaboration partners as a percentage of total revenue for the three months ended March 31, 2008 and 2007 was as follows:



|                         |  |      |   |  |      |  
|------------------------ |  | ---- | - |  | ---- | -
|                         |  | 2008 |   |  | 2007 |  
|Danisco Animal Nutrition |  | 49   | % |  | 33   | %
|Syngenta                 |  | 18   | % |  | 26   | %

Accounts receivable from these two customers comprised approximately 61% of accounts receivable at
March 31, 2008 and 68% at December 31, 2007.

Revenue by geographic area was as follows (in thousands):



|              |  |                             |        |      |   |       
|------------- |  | --------------------------- | ------ | ---- | - | ------
|              |  | Three Months EndedMarch 31,
|              |  | 2008                        |        | 2007
|North America |  | $                           | 4,446  |      | $ | 4,392 
|South America |  |                             | 3,805  |      |   |      
|Europe        |  |                             | 6,636  |      |   | 6,691 
|Asia          |  |                             | 348    |      |   | 225   
|              |  |                             |        |      |   |       
|              |  | $                           | 15,235 |      | $ | 11,308
|              |  |                             |        |      |   |       

For the three months ended March 31, 2008 and 2007, 81% and 88% of the Companys product
revenue has come from one focus area, animal nutrition and health.

6. Equity Incentive Plans and Share-based Compensation

Equity Incentive Plans

Celunol Equity Incentive Plan

As a part of the merger on June 20, 2007, each outstanding and unexercised option to
purchase shares of Celunol common stock, whether vested or unvested, was assumed by Verenium and became an option to acquire shares of Verenium common stock, under the same terms and conditions that existed in the Celunol plan prior to the merger.
Options granted under this plan generally vest over a four year period and expire 10 years from the date of the grant. The number of shares of Celunol common stock that was subject to each option prior to the effective time was converted into
Verenium common stock based on the exchange ratio determined pursuant to the merger agreement. The Companys stockholders approved the Celunol Equity Incentive Plan on June 20, 2007. A total of 507,000 shares of Verenium common stock are
reserved for issuance under the Celunol Equity Incentive Plan.

2007 Equity Incentive Plan

In March 2007, the Board of Directors (the Board) adopted the 2007 Equity Incentive Plan (the 2007 Plan), and effective
May 7, 2007, amended the 2007 Plan. The 2007 Equity Incentive Plan is the successor to the Diversa Corporation 1997 Equity Incentive Plan (the 1997 Plan). The 2007 Plan provides for the grant of incentive stock options,
non-statutory stock options, restricted stock awards, restricted stock unit awards, stock appreciation rights, performance stock awards, performance cash awards and other forms of equity compensation. The Companys stockholders approved the
2007 Plan, as amended, on June 20, 2007. A total of 9,750,000 shares are reserved for issuance under the 2007 Plan.



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##### Table of Contents

2005 Non-Employee Directors Equity Incentive Plan

In March 2005, the Board adopted the Companys 2005 Non-Employee Directors Equity Incentive Plan (Directors Plan), and
reserved a total of 600,000 shares for issuance thereunder. The number of shares available for issuance under the Directors Plan will automatically increase on the first trading day of each calendar year, beginning with the 2006 calendar year
and continuing through and including calendar year 2015, by an amount equal to the excess of (i) the number of shares subject to stock awards granted during the preceding calendar year, over (ii) the number of shares added back to the
share reserve during the preceding calendar year pursuant to expirations, terminations, cancellations forfeitures and repurchases of previously granted awards. However this automatic annual increase shall not exceed 250,000 shares in any calendar
year. As of March 31, 2008, a total of 966,000 shares of the Companys common stock have been reserved for issuance under the Directors Plan.

The Board adopted the Directors Plan as the primary equity incentive program for the Companys non-employee directors in order to secure and retain the services of such individuals, and to provide
incentives for such persons to exert maximum efforts for the success of the Company. Stock awards granted under this plan generally vest monthly over a three year period and expire 10 years from the date of the grant. The Directors Plan
replaced the 1999 Non-Employee Directors Stock Option Plan. As of March 31, 2008, there were approximately 565,000 shares outstanding under the Directors Plan and approximately 312,000 shares outstanding under the 1999 Non-Employee
Directors Stock Option Plan.

Employee Stock Option and Stock Purchase Plans

1999 Employee Stock Purchase Plan

In
December 1999, the Board adopted the 1999 Employee Stock Purchase Plan (the ESPP). The ESPP permits eligible employees to purchase common stock at a discount, but only through payroll deductions, during defined offering periods. The
price at which stock is purchased under the ESPP is equal to 85% of the fair market value of the common stock on the first or last day of the offering period, whichever is lower. The ESPP provides for annual increases of shares available for
issuance under the ESPP. On June 20, 2007, the Companys stockholders approved an additional 1,500,000 shares for issuance under the ESPP. As of March 31, 2008, there were approximately 1,453,000 shares available for future
issuance under the ESPP.

1997 Equity Incentive Plan

In August 1997, the Company adopted the 1997 Equity Incentive Plan (the 1997 Plan), which provides for the granting of incentive or non-statutory stock options, stock bonuses, and rights to purchase
restricted stock to employees, directors, and consultants as administered by the Board . The 1997 Plan was terminated by the Board at the time of the merger on June 20, 2007.

The incentive and non-statutory stock options are granted with an exercise price of not less than 100% and 85%, respectively, of the estimated fair value
of the underlying common stock as determined by the Board. The 1997 Plan allows the purchase of restricted stock at a price that is not less than 85% of the estimated fair value of the Companys common stock as determined by the Board.

Options granted under the 1997 Plan vest over periods ranging up to four years and are exercisable over periods not exceeding ten years.
As of March 31, 2008, the aggregate number of shares awarded under the 1997 Plan is approximately 14,220,000, with no shares available for grant.



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##### Table of Contents

Share-Based Compensation

The Company recognized share-based compensation expense of $3.5 million and $1.1 million during the three months ended March 31, 2008 and 2007. These
charges had no impact on the Companys reported cash flows. Share-based compensation expense was allocated among the following expense categories:



|                                    |  |                             |       |      |   |      
|----------------------------------- |  | --------------------------- | ----- | ---- | - | -----
|                                    |  | Three MonthsEnded March 31,
|                                    |  | 2008                        |       | 2007
|Research and development            |  | $                           | 1,324 |      | $ | 420  
|Selling, general and administrative |  |                             | 2,150 |      |   | 641  
|                                    |  |                             |       |      |   |      
|                                    |  | $                           | 3,474 |      | $ | 1,061
|                                    |  |                             |       |      |   |      

As of March 31, 2008, there was $19.4 million of total unrecognized compensation expense
related to unvested share-based compensation arrangements granted under the equity incentive plans, including the impact of options and restricted shares assumed in the merger. This expense is expected to be recognized over a weighted-average period
of 1.4 years as follows:



|                                                       |  |                |       
|------------------------------------------------------ |  | -------------- | ------
|                                                       |  | (in thousands)
|Fiscal Year 2008 ( April 1, 2008 to December 31, 2008) |  | $              | 7,262 
|Fiscal Year 2009                                       |  |                | 4,278 
|Fiscal Year 2010                                       |  |                | 2,181 
|Fiscal Year 2011                                       |  |                | 1,312 
|Fiscal Year 2012                                       |  |                | 447   
|Thereafter                                             |  |                | 3,904 
|                                                       |  |                |       
|                                                       |  | $              | 19,384
|                                                       |  |                |       

Equity Incentive Awards Activity

Information with respect to all of the Companys stock option plans is as follows (in thousands, except per share data):



|                               |  |        |   |  |                                          |       |                          |   |      
|------------------------------ |  | ------ | - |  | ---------------------------------------- | ----- | ------------------------ | - | -----
|                               |  | Shares |   |  | Weighted AverageExercise Price per Share |       | Aggregate IntrinsicValue
|Outstanding at January 1, 2008 |  | 7,714  |   |  | $                                        | 8.30  |                          |   |      
|Granted                        |  | 641    |   |  | $                                        | 3.67  |                          |   |      
|Exercised                      |  | (14    | ) |  | $                                        | 0.08  |                          |   |      
|Cancelled                      |  | (336   | ) |  | $                                        | 14.70 |                          |   |      
|                               |  |        |   |  |                                          |       |                          |   |      
|Outstanding at March 31, 2008  |  | 8,005  |   |  | $                                        | 7.68  |                          | $ | 1,631
|                               |  |        |   |  |                                          |       |                          |   |      
|Exercisable at March 31, 2008  |  | 2,373  |   |  | $                                        | 12.76 |                          | $ | 528  
|                               |  |        |   |  |                                          |       |                          |   |      

The grant date fair value of options granted during the three months ended March 31, 2008 was
$2.13 per share. The total intrinsic value of options exercised during the three months ended March 31, 2008 was $47,000, or $3.27 per share.

Non-Restricted and Restricted Share Awards

Information with respect to all of the Companys non-restricted and
restricted share awards is as follows (in thousands, except per share data):



|                                                 |  |        |   |  |                           |     
|------------------------------------------------ |  | ------ | - |  | ------------------------- | ----
|                                                 |  | Shares |   |  | WeightedAverage FairValue
|Non-vested awards outstanding at January 1, 2008 |  | 751    |   |  | $                         | 7.29
|Granted                                          |  |       |   |  | $                         |    
|Vested                                           |  | (212   | ) |  | $                         | 6.43
|Forfeited and cancelled                          |  | (12    | ) |  | $                         | 7.15
|                                                 |  |        |   |  |                           |     
|Non-vested awards outstanding at March 31, 2008  |  | 527    |   |  | $                         | 7.64
|                                                 |  |        |   |  |                           |     



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##### Table of Contents

Warrants

In connection with the closing of a series of transactions with Syngenta Participations AG in February 2003, the Company issued to Syngenta a warrant to purchase 1,293,000 shares of common stock at $22 per share that
is exercisable for ten years starting in 2008.

In connection with the completion of the June 20, 2007 merger transaction with
Celunol, the Company assumed the following warrants to purchase common stock:



|        |  |                         |          |            |              
|------- |  | ----------------------- | -------- | ---------- | -------------
|Shares  |  | Exercise PricePer Share |          | Expiration
|67      |  | $                       | 5.93     |            | February 2011
|84      |  | $                       | 5,484.41 |            | March 2011   
|6,062   |  | $                       | 68.66    |            | December 2014
|1,687   |  | $                       | 68.66    |            | August 2015  
|340,248 |  | $                       | 1.87     |            | December 2016
|        |  |                         |          |            |              
|348,148 |  |                         |          |            |              
|        |  |                         |          |            |              

In connection with the issuance of the 2008 Notes, the Company issued to the noteholders warrants
to purchase 7,987,626 shares of common stock at $4.44 per share that are exercisable for five years starting August 22, 2008. Additionally, the Company entered into a convertible hedge transaction (see Note 2), whereby the Company issued
warrants to purchase 13,288,509 shares of common stock at $5.16 per share. The warrants are exercisable on three dates staggered in six month intervals beginning on October 1, 2013.



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##### Table of Contents

Common Stock Reserved for Future Issuance

At March 31, 2008, the Company has reserved shares of common stock for future issuance as follows (in thousands):



|                              |  |       
|----------------------------- |  | ------
|                              |  | Shares
|Employee Stock Purchase Plan  |  | 1,453 
|Equity Incentive Plans        |  | 4,958 
|Warrants                      |  | 22,918
|5.5% Senior Convertible Notes |  | 15,859
|8.0% Senior Convertible Notes |  | 12,550
|                              |  |       
|                              |  | 57,738
|                              |  |       

7. Restructuring Charges

In connection with the January 2006 decision to reorganize and refocus the Companys resources, management commenced several cost containment measures, including a reduction in workforce of 83 employees and the
consolidation of its facilities. Pursuant to SFAS No. 146, Accounting for Costs Associated with Exit or Disposal Activities,the Company recorded net charges of $12.0 million in 2006 related to these activities. The
following table sets forth the activity in the restructuring reserves through March 31, 2008 (in thousands):



|                             |  |                            |        |   |                         |   |        |            |  |   |       |   |  |   |        |  
|---------------------------- |  | -------------------------- | ------ | - | ----------------------- | - | ------ | ---------- |  | - | ----- | - |  | - | ------ | -
|                             |  | FacilityConsolidationCosts |        |   | EmployeeSeparationCosts |   |        | OtherCosts |  |   | Total |  
|Balance at January 1, 2006   |  | $                          |       |   |                         | $ |       |            |  | $ |      |   |  | $ |       |  
|Accrued and expensed         |  |                            | 8,356  |   |                         |   | 2,607  |            |  |   | 60    |   |  |   | 11,023 |  
|Charged against accrual      |  |                            | (1,563 | ) |                         |   | (2,607 | )          |  |   | (60   | ) |  |   | (4,230 | )
|Adjustments and revisions    |  |                            | 1,003  |   |                         |   |       |            |  |   |      |   |  |   | 1,003  |  
|                             |  |                            |        |   |                         |   |        |            |  |   |       |   |  |   |        |  
|Balance at December 31, 2006 |  | $                          | 7,796  |   |                         | $ |       |            |  | $ |      |   |  | $ | 7,796  |  
|Charged against accrual      |  |                            | (2,263 | ) |                         |   |       |            |  |   |      |   |  |   | (2,263 | )
|Adjustments and revisions    |  |                            | 1,481  |   |                         |   |       |            |  |   |      |   |  |   | 1,481  |  
|                             |  |                            |        |   |                         |   |        |            |  |   |       |   |  |   |        |  
|Balance at December 31, 2007 |  | $                          | 7,014  |   |                         | $ |       |            |  | $ |      |   |  | $ | 7,014  |  
|Charged against accrual      |  |                            | (801   | ) |                         |   |       |            |  |   |      |   |  |   | (801   | )
|Adjustments and revisions    |  |                            | 59     |   |                         |   |       |            |  |   |      |   |  |   | 59     |  
|                             |  |                            |        |   |                         |   |        |            |  |   |       |   |  |   |        |  
|Balance at March 31, 2008    |  | $                          | 6,272  |   |                         | $ |       |            |  | $ |      |   |  | $ | 6,272  |  
|                             |  |                            |        |   |                         |   |        |            |  |   |       |   |  |   |        |  

During the first quarter of 2006, the Company completed the employee termination activities under
this restructuring and no further payments or expenses related to employee separation are anticipated under this program. The facility consolidation costs are based on estimates, representing the discounted cash flow of lease payments (net of
anticipated sublease income) on the vacated space through its contractual lease term in 2016.

During the fourth quarter of 2007, the
Company recorded $1.5 million of additional charges, reflecting revisions in its estimate for the remaining net facilities consolidation costs upon executing a sublease agreement with a subtenant.

Pursuant to FASB No. 146, the Company is required to re-assess these estimates on a periodic basis. Accordingly, the Company may revise these
estimates in future periods, which could give rise to additional charges or adjustments.

8. Related-Party Transactions

Syngenta AG

The Company has
had an ongoing research collaboration with Syngenta, a greater-than 10% owner of the Companys outstanding common stock, since 1999.

In January 2007, the Company announced a new 10-year research and development partnership with Syngenta. The new agreement, which replaced a seven-year agreement with Syngenta that started in early 2003, is focused on the discovery and
development of a range of novel enzymes to economically convert pre-treated cellulosic biomass to mixed sugars, which is a critical step in the process of biofuel production.



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##### Table of Contents

The Company recognized revenue from Syngenta and its affiliates of $2.3 million and $2.9 million for the
three months ended March 31, 2008 and 2007. Accounts receivable due from Syngenta were $0.5 million and $0.4 million, and deferred revenue associated with Syngenta was $4.0 million and $3.0 million, at March 31, 2008 and 2007.

In connection with the research collaboration with Syngenta, the Company recorded zero and $49,000 in rental cost reimbursements from Syngenta during
the three months ended March 31, 2008 and 2007.

In February 2008, AB Enzymes and AB Vista (collectively, AB), both
subsidiaries of Associated British Foods plc, announced the acquisition of Syngentas Quantum Phytase feed enzyme business. Prior to this transaction, the Company supplied Quantum Phytase to Syngenta pursuant to a manufacturing and supply
agreement. The Company does not expect to continue to manufacture and supply the Quantum enzyme to AB after March 31, 2008, as it has been unable to reach a manufacturing and supply agreement with AB on commercially agreeable terms.

Pursuant to its agreement with Syngenta, the Company is entitled to a portion of the net proceeds from the sale of the Quantum business, which are not
expected to be material.

9. Commitments

Letter of Credit

Pursuant to its facilities leases for office and laboratory space in San
Diego, the Company is required to maintain a letter of credit on behalf of its landlord in lieu of a cash deposit. The total amount required under the letter of credit is based on minimum required working capital and market capitalization, as
follows



|                           |  |     |  |                        |  |                              
|-------------------------- |  | --- |  | ---------------------- |  | -----------------------------
|Working Capital            |  |     |  | Market Capitalization  |  | Required Letter of Credit    
|Greater than $75 million   |  |     |  | N/A                    |  | $100,000                     
|$50 million to $75 million |  | or  |  | $350 million           |  | $100,000 plus 12 months rent
|Less than $50 million      |  | and |  | Less than $350 million |  | $100,000 plus 24 months rent

As of March 31, 2008, the Company had an unsecured letter of credit in place pursuant to this
agreement for approximately $4.7 million, representing the $100,000 minimum and approximately 12 months current rent.

The letter of
credit is issued under an existing bank agreement. Any increases to the letter of credit resulting from increases in rent or changes in working capital or market capitalization are effective upon notice to the Company by the landlord. As of March
31, 2008, the Companys market capitalization was below $350 million and its working capital was below $50 million. Based on this, and pursuant to the lease agreement, in May 2008 the Company received notice from its landlord that it would be
required to increase the letter of credit to approximately $10 million. The Company is required under its bank agreement to secure this obligation with cash, which will be reflected as restricted cash on its consolidated balance sheet in subsequent
periods.

10. Contingencies

Class Action Shareholder Lawsuit

In June 2004, the Company executed a formal settlement agreement with the
plaintiffs in a class action lawsuit filed in December 2002 in a U.S. federal district court (the Court). This lawsuit is part of a series of related lawsuits in which similar complaints were filed by plaintiffs against hundreds of other
public companies that conducted an Initial Public Offering (IPO) of their common stock in 2000 and the late 1990s (the IPO Cases). On February 15, 2005, the Court issued a decision certifying a class action for
settlement purposes and granting preliminary approval of the settlement subject to modification of certain bar orders contemplated by the settlement. On August 31, 2005, the Court reaffirmed class certification and preliminary approval of the
modified settlement in a comprehensive Order. On February 24, 2006, the Court dismissed litigation filed against certain underwriters in connection with the claims to be assigned to the Plaintiffs under the settlement. On April 24, 2006,
the Court held a Final Fairness Hearing to determine whether to grant final approval of the settlement. On December 5, 2006, the Second Circuit Court of Appeals vacated the lower Courts earlier decision certifying as class actions the six
IPO Cases designated as focus cases. The Company is not one of the six focus cases. Thereafter, the District Court ordered a stay of all proceedings in all of the IPO Cases pending the outcome of plaintiffs petition to the Second
Circuit for rehearing en banc and resolution of the class certification issue. On April 6, 2007, the Second Circuit denied plaintiffs rehearing petition, but clarified that the plaintiffs may seek to certify a more limited class in the
District Court. Accordingly, the settlement as originally negotiated will not be finally approved. On or about August 14, 2007, Plaintiffs filed amended complaints in the six focus cases, and thereafter moved for certification of the classes
and appointment of lead plaintiffs and lead counsel in those cases. In September 2007, the Companys named officers and directors again extended the tolling agreement with plaintiffs. The six focus case issuers filed motions to dismiss the
claims against them in November 2007 and an opposition to plaintiffs motion for class certification in December 2007. The Court denied the motions to dismiss on March 16, 2008. The focus case defendants have until June 13, 2008 in
which to answer the complaints.

The Company is covered by a claims-made liability insurance policy which it believes will satisfy any
potential liability of the Company under this settlement. Due to the inherent uncertainties of litigation and assignment of claims against the underwriters, and because the settlement has not yet been finally approved by the Court, the ultimate
outcome of this matter cannot be predicted. In accordance with SFAS No. 5, Accounting for Contingencies the Company believes any contingent liability related to this claim is not probable or estimable and therefore no
amounts have been accrued in regards to this matter.

Valley Research, inc.

The Company recently settled its previously disclosed litigation with Valley Research, inc. (VRi). On May 5, 2008, the Company entered
into a confidential settlement agreement with VRi pursuant to which the parties will dismiss all claims against one another with prejudice. The parties settled the litigation without admission of liability and without any acknowledgment or admission
that the respective positions of the parties were correct. During the three months ended March 31, 2008, the Company incurred a charge of $125,000 related to this litigation, representing the difference between the settlement amount and what had
been previously reserved in connection with the matter.



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Patent Interference Proceeding

In February 2007, an interference proceeding was declared in the U.S. Patent and Trademark Office between a U.S. patent assigned to the Company and a
pending U.S. patent application owned by Maxygen, with allowable claims directed to the Companys trademarked GeneReassembly technology. On February 25, 2008 the Board of Patent Appeals and Interferences ruled in favor of Maxygen and the
claims in the Companys issued patent were cancelled. The Company does not believe that this ruling will have a material impact on its consolidated financial position, results of operations, or cash flows.

The Company is also, from time to time, subject to legal proceedings and claims which arise in the normal course of business. In managements
opinion, the amount of ultimate liability with respect to these actions will not have a material adverse effect on the Companys consolidated financial position, results of operations, or cash flows.

11. Impact of Recently Issued Accounting Standards

Business Combinations

In December 2007, the FASB issued SFAS No. 141 (revised 2007), Business
Combinations, which replaces SFAS No 141. The statement retains the purchase method of accounting for acquisitions, but requires a number of changes, including changes in the way assets and liabilities are recognized in the purchase
accounting. It also changes the recognition of assets acquired and liabilities assumed arising from contingencies, requires the capitalization of in-process research and development at fair value, and requires the expensing of acquisition-related
costs as incurred. SFAS No. 141(R) is effective for financial statements issued for fiscal years beginning after December 15, 2008 and will apply prospectively to business combinations completed on or after that date. The impact of the
adoption of SFAS No. 141(R) on the Companys consolidated results of operations and cash flows will depend on the terms and timing of future acquisitions, if any.

Noncontrolling Interests in Consolidated Financial Statements

In December 2007, the FASB issued SFAS No. 160, Noncontrolling Interests in Consolidated Financial Statements, an amendment of ARB 51, which changes the accounting and reporting for minority
interests. Minority interests will be recharacterized as noncontrolling interests and will be reported as a component of equity separate from the parents equity, and purchases or sales of equity interests that do not result in a change in
control will be accounted for as equity transactions. In addition, net income attributable to the noncontrolling interest will be included in consolidated net income on the face of the income statement and, upon a loss of control, the interest sold,
as well as any interest retained, will be recorded at fair value with any gain or loss recognized in earnings. SFAS No. 160 is effective for financial statements issued for fiscal years beginning after December 15, 2008 and will apply
prospectively, except for the presentation and disclosure requirements, which will apply retroactively. The impact of the adoption of SFAS No. 160 on the Companys consolidated results of operations and cash flows will depend on the terms
and timing of future minority interests, if any.



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##### Table of Contents

|ITEM 2. | MANAGEMENTS DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS.
|------- | --------------------------------------------------------------------------------------

The following discussion of our financial condition and results of operations should be read in conjunction with the condensed consolidated financial
statements and the notes to those statements included elsewhere in this report.

Except for the historical information contained herein,
the following discussion contains forward-looking statements that involve risks and uncertainties. These statements speak only as of the date on which they are made, and we undertake no obligation to update any forward-looking statement.

The results of operations for the three months ended March 31, 2008 include a full quarter of combined operations resulting from our merger with
Celunol in June 2007. Since the merger closed subsequent to the first quarter of 2007, results of operations for the three months ended March 31, 2007 include the historical results of Diversa Corporation, and are not reflective of the combined
operations.

Forward-looking statements applicable to our business generally include statements related to:



| |  |  | our ongoing integration of the Celunol business and the benefits to be derived from the merger;
| | - |  | -----------------------------------------------------------------------------------------------



| |  |  | the potential technological, strategic and commercial advantages and benefits created by the merger with Celunol;
| | - |  | -----------------------------------------------------------------------------------------------------------------



| |  |  | the potential value for our stockholders created by the merger with Celunol;
| | - |  | ----------------------------------------------------------------------------



| |  |  | our estimates regarding market sizes and opportunities, as well as our future revenue, product revenue, profitability and capital requirements;
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | our anticipated use of proceeds from our recent financing activities;
| | - |  | ---------------------------------------------------------------------



| |  |  | the length of time that we will be able to fund our operations with existing cash;
| | - |  | ----------------------------------------------------------------------------------



| |  |  | our expected cash needs, our ability to manage our cash and expenses and our ability to access future financing;
| | - |  | ----------------------------------------------------------------------------------------------------------------



| |  |  | our ability to continue as a going concern through 2008;
| | - |  | --------------------------------------------------------



| |  |  | our expected future research and development expenses, sales and marketing expenses, and selling, general and administrative expenses;
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------



| |  |  | the effect on our business and financial results of governmental regulation and programs;
| | - |  | -----------------------------------------------------------------------------------------



| |  |  | our plans regarding future research, product development, business development, commercialization, growth, independent project development, collaboration,
licensing, intellectual property, regulatory and financing activities;
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | our results of operations, financial condition and businesses, and products and product candidates under development;
| | - |  | ---------------------------------------------------------------------------------------------------------------------



| |  |  | investments in our core technologies and in our internal product candidates;
| | - |  | ----------------------------------------------------------------------------



| |  |  | the opportunities in our target markets and our ability to exploit them;
| | - |  | ------------------------------------------------------------------------



| |  |  | our plans for managing the growth of our business;
| | - |  | --------------------------------------------------



| |  |  | the benefits to be derived from our current and future strategic alliances;
| | - |  | ---------------------------------------------------------------------------



| |  |  | our anticipated revenues from collaborative agreements; grants and licenses granted to third parties;
| | - |  | -----------------------------------------------------------------------------------------------------



| |  |  | our ability to repay our outstanding debt;
| | - |  | ------------------------------------------



| |  |  | our exposure to market risk;
| | - |  | ----------------------------



| |  |  | the impact of litigation matters on our operations and financial results; and
| | - |  | -----------------------------------------------------------------------------



| |  |  | the effect of critical accounting policies on our financial results.
| | - |  | --------------------------------------------------------------------

Forward-looking statements applicable to our biofuels business include statements related to:



| |  |  | potential growth in the use of ethanol, including cellulosic ethanol, the economic prospects for the ethanol industry and cellulosic ethanol and the advantages of
cellulosic ethanol versus ethanol and other fuel sources;
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | the development and construction of our demonstration-scale facility and the continued development of our pilot facility;
| | - |  | -------------------------------------------------------------------------------------------------------------------------



| |  |  | the financing, development and construction of commercial-scale cellulosic ethanol facilities; and
| | - |  | --------------------------------------------------------------------------------------------------



| |  |  | our ability to use multiple feedstocks to produce cellulosic ethanol.
| | - |  | ---------------------------------------------------------------------



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##### Table of Contents

Forward-looking statements applicable to our specialty enzymes business include statements related to:



| |  |  | our ability to increase our product revenue and improve product gross margins;
| | - |  | ------------------------------------------------------------------------------



| |  |  | our ability to maintain good relationships with the companies with whom we contract for the manufacture of certain of the products in our specialty enzymes
business; and
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Factors that could cause or contribute to differences include, but are not limited to, risks related to
our ability to fund our operations and continue as a going concern, risks involved with our new and uncertain technologies, risks associated with our dependence on patents and proprietary rights, risks associated with our protection and enforcement
of our patents and proprietary rights, our dependence on existing collaborations, our ability to enter into and/or maintain collaboration and joint venture agreements, our ability to commercialize products directly and through our collaborators, the
timing of anticipated regulatory approvals and product launches, our ability to successfully integrate the operations of Diversa and Celunol, and the development or availability of competitive products or technologies, as well as other risks and
uncertainties set forth below and in the section of this report entitled Risk Factors.

Overview

We operate in two business segments, biofuels and specialty enzymes. Our biofuels business segment operates through our wholly-owned subsidiary, Verenium
Biofuels Corporation, and is focused on developing unique technical and operational capabilities designed to enable the production and commercialization of biofuels, in particular ethanol produced from cellulosic biomass. We believe the most
significant near-term commercial opportunity for our biofuels business segment is the large-scale commercial production of cellulosic ethanol derived from multiple biomass feedstocks. Our specialty enzymes segment develops customized enzymes for use
within the alternative fuels, specialty industrial processes, and animal nutrition and health markets to enable higher throughput, lower costs, and improved environmental outcomes. We believe the most significant near-term commercial opportunity for
our specialty enzymes business segment will be derived from continued sales growth, and related profit margin improvement, from our existing portfolio of enzyme products.

Our biofuels and specialty enzymes businesses are both supported by a research and development team with expertise in gene discovery and optimization, cell engineering, bioprocess development, biochemistry and
microbiology. Over the past 15 years, our research and development team has developed a proprietary technology platform which has enabled us to apply advancements in science to discovering and developing unique solutions in complex industrial or
commercial applications. To date, we have dedicated substantial resources to the development of our proprietary technologies, which include capabilities for sample collection from the worlds microbial populations, generation of DNA libraries,
screening of these libraries using ultra high-throughput methods capable of analyzing more than one billion genes per day, and optimization based on our gene evolution technologies. We have continued to shift more of our resources from technology
development to commercialization efforts for our existing and future products. While our technologies have the potential to serve many large markets, our key areas of focus for internal product development are (i) integrated solutions for the
production of biofuels, such as cellulosic ethanol, and (ii) specialty enzymes for: biofuels, specialty industrial processes, and animal nutrition and health. We have current collaborations with market leaders, such as BASF, Bunge Oils, Cargill
Health and Food Technologies, and Syngenta AG, each of which complement our internal product development efforts.



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For the three months ended March 31, 2008, total revenues increased 35% compared to the three months
ended March 31, 2007. The increase in revenue was primarily attributed to more than doubling our product revenue to $11.2 million for the three months ended March 31, 2008 from $5.4 million in the prior year comparable period, partially
offset by a 32% decrease in grant and collaborative revenue from $6.0 million to $4.0 million for the three months ended March 31, 2008. As part of our strategic reorganization in January 2006, we began to de-emphasize grant revenue and certain
collaborations that are not strategic to our current market focus in favor of greater emphasis on sales of products. As a result, we expect that product revenue will continue to represent a larger percentage of our total revenues in the future, and
that collaborative revenue will continue to decrease. However, certain of our partners and funding sources have ongoing obligations to fund our programs, and we have ongoing obligations to provide research and development services under our current
agreements. As of March 31, 2008, our strategic partners have provided us with more than $300 million in funding since inception and are committed to additional funding of more than $14 million through 2012, subject to our performance under
existing agreements, excluding milestone payments, license and commercialization fees, and royalties or profit sharing. Our strategic partners often pay us before we recognize the revenue, and these payments are deferred until earned. As of
March 31, 2008, we had deferred revenue totaling $5.3 million, of which $5.2 million was related to funding from collaborative partners, and $0.1 million was related to product sales.

We have incurred net losses since our inception. As of March 31, 2008 our accumulated deficit was $460.4 million. Our results of operations have
fluctuated from period to period and likely will continue to fluctuate substantially in the future. We expect to incur losses into the foreseeable future as a result of:



| |  |  | anticipated additional investments to implement our biofuels commercialization strategy, including capital expenditures related to enhancements to our cellulosic
ethanol pilot facility and construction and completion of our demonstration facility;
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | our continued investment in sales and marketing infrastructure intended to strengthen our customer contact and focus;
| | - |  | ---------------------------------------------------------------------------------------------------------------------



| |  |  | our continued investment in manufacturing facilities necessary to meet increased demand for our products; and
| | - |  | -------------------------------------------------------------------------------------------------------------



| |  |  | continued research and development expenses for our internal product candidates.
| | - |  | --------------------------------------------------------------------------------

Results of operations for any period may be unrelated to results of operations for any other period. In addition, we believe that our historical results are not a good indicator of our future operating results.

Recent Strategic Events

Completion
of 2008 Convertible Notes Offering

On February 22, 2008, we completed a private placement of our 2008 Notes, and warrants to
purchase our common stock. Concurrent with entering into the purchase agreement, we also entered into senior notes exchange agreements with certain existing holders of our 2007 Notes pursuant to which such noteholders exchanged approximately $18.5
million in aggregate principal amount of the 2007 Notes for approximately $16.7 million in aggregate principal amount of the 2008 Notes and for warrants to purchase common stock. Including the 2008 Notes issued in exchange for the 2007 Notes, we
issued $71 million in aggregate principal amount of the 2008 Notes and warrants to purchase approximately 8 million shares of our common stock. Gross proceeds from new investment were approximately $54 million and net proceeds from new
investment, after giving effect to payment of certain transaction-related expenses and the cash cost of the convertible hedge transaction described below, were approximately $45 million.

The 2008 Notes are convertible as of the date of their issuance. Their initial conversion price is equal to $4.09 per share. The conversion price is
subject to full ratchet anti-dilution protection and a reset provision whereby, to the extent the volume weighted average price of our common stock during the seven trading days prior to the one-year anniversary of the issuance of the 2008 Notes is
less than $3.55 per share, the conversion price will reset to the greater of $2.13 per share or 115% of the volume weighted average price of the common stock at that time. In addition, subject to the satisfaction of certain conditions, including
that an effective resale registration statement for the applicable shares be on file, interest payments on the 2008 Notes may be made, at our option, in shares of common stock, valued at a 5% discount to the stock price at the time of payment of the
interest. In the event that we do not receive shareholder approval for issuances of shares beyond 19.9% of the number of our issued and outstanding shares as of February 22, 2008, any required share issuances under the 2008 Notes in excess of
that amount will be settled for cash in an amount per share equal to the closing sales price of our common stock on the conversion date. The 2008 Notes are subject to automatic conversion at our option if our closing stock price exceeds $8.18 per
share over a 30-trading day period ending prior to the date we provide notice of the automatic conversion to investors, the average daily trading volume of our stock over that 30-trading day period equals or exceeds $3 million, and certain other
conditions are met.



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The warrants are exercisable six months after their issuance, or August 2008. The initial exercise price
of the warrants is $4.44 per share. The exercise price is subject to weighted average anti-dilution protection. We are not permitted to issue shares of our common stock upon exercise of the warrants unless and until we receive shareholder approval
for such issuances. If such shareholder approval is obtained, the warrants, beginning six months after their issuance, will be exercisable for shares of our common stock. If such shareholder approval is not obtained, the warrants will never be
exercisable for shares of common stock and will only be settled for cash on exercise in an amount per share issuable equal to the closing sales price of our common stock on the exercise date less the applicable warrant exercise price.

In connection with the transactions described above, we entered into a convertible hedge transaction with a counterparty, which is intended to reduce the
potential dilution upon conversion of the 2008 Notes. The convertible hedge transaction is composed of two separate call options. Under the first call option, on April 1, 2012 (or earlier upon conversion of the 2008 Notes), we are entitled to
purchase 13,288,509 shares of our common stock from the counterparty at a price per share equal to the initial conversion price (or a proportion of such number of shares based on the proportion of the 2008 Notes being converted). Under the second
call option, on three exercise dates staggered in six month intervals beginning on October 1, 2013, the counterparty is entitled to purchase an aggregate of 13,288,509 shares of our common stock at a price per share of $5.16. The cash cost of
the convertible hedge transaction was approximately $6.2 million.

We have been using the net proceeds from the sale of the 2008 Notes and
warrants for general corporate and working capital purposes, including the completion of construction, commissioning and start-up of our cellulosic ethanol demonstration facility.



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##### Table of Contents

Results of Operations

Three Months Ended March 31, 2008 and 2007

Selected Segment Financial Data

As a result of our merger with Celunol on June 20, 2007, our business now consists of two business units, which we refer to as our biofuels segment
and our specialty enzymes segment. The biofuels segment is focused on developing unique technical and operational capabilities designed to enable the production and commercialization of biofuels, in particular ethanol from cellulosic biomass. The
specialty enzymes segment develops high performance enzymes for use within the alternative fuels, specialty industrial processes, and animal nutrition and health markets to enable higher throughput, lower costs, and improved environmental outcomes.

We assess performance and allocate resources based on discrete financial information for the biofuels and specialty enzymes segments. For
the biofuels segment, performance is assessed based on total operating expenses and capital expenditures. For the specialty enzymes segment performance is assessed based on total revenues, product revenues, product gross profit, total operating
expenses and capital expenditures. For the three months ended March 31, 2008, the specialty enzyme segment comprised 100% of our total revenues, product revenue, and cost of product revenue. Our operating expenses for each segment include
direct and allocated research and development and selling, general and administrative expenses. In managements evaluation of performance, certain corporate operating expenses are excluded from the business segments such as: non-cash
share-based compensation, restructuring charges, severance, depreciation and amortization, and other corporate expenses, which are not allocated to either business segment. In addition, we evaluate segment performance based upon capital expenditures
and other assets that are specifically identified to the business segment, excluding certain corporate assets such as goodwill and other assets that can be attributed to, or utilized by, both business segments. Expenses and assets shared by the
segments require the use of judgments and estimates in determining the allocation of expenses to the two segments. Different assumptions or allocation methods could result in materially different results by segment.

Selected operating results for the three months ended March 31, 2008 and identifiable assets as of March 31, 2008 and December 31, 2007 for each of our
business segments is set forth below (in thousands):



|                                                      |  |                                   |        |   |                  |   |        |           |  |   |        |   |  |   |         |  
|----------------------------------------------------- |  | --------------------------------- | ------ | - | ---------------- | - | ------ | --------- |  | - | ------ | - |  | - | ------- | -
|                                                      |  | Three Months Ended March 31, 2008 |       
|                                                      |  | Biofuels                          |        |   | SpecialtyEnzymes |   |        | Corporate |  |   | Total  |  
|Product revenue                                       |  | $                                 |       |   |                  | $ | 11,201 |           |  | $ |       |   |  | $ | 11,201  |  
|Collaborative and grant revenue                       |  |                                   |       |   |                  |   | 4,034  |           |  |   |       |   |  |   | 4,034   |  
|                                                      |  |                                   |        |   |                  |   |        |           |  |   |        |   |  |   |         |  
|Total revenues                                        |  | $                                 |       |   |                  | $ | 15,235 |           |  | $ |       |   |  | $ | 15,235  |  
|                                                      |  |                                   |        |   |                  |   |        |           |  |   |        |   |  |   |         |  
|Product gross profit                                  |  | $                                 |       |   |                  | $ | 3,324  |           |  | $ |       |   |  | $ | 3,324   |  
|                                                      |  |                                   |        |   |                  |   |        |           |  |   |        |   |  |   |         |  
|Operating expenses, excluding cost of product revenue |  | $                                 | 9,989  |   |                  | $ | 9,554  |           |  | $ | 5,001  |   |  | $ | 24,544  |  
|                                                      |  |                                   |        |   |                  |   |        |           |  |   |        |   |  |   |         |  
|Operating loss                                        |  | $                                 | (9,989 | ) |                  | $ | (2,196 | )         |  | $ | (5,001 | ) |  | $ | (17,186 | )
|                                                      |  |                                   |        |   |                  |   |        |           |  |   |        |   |  |   |         |  
|Capital expenditures                                  |  | $                                 | 20,495 |   |                  | $ | 484    |           |  | $ | 793    |   |  | $ | 21,772  |  
|                                                      |  |                                   |        |   |                  |   |        |           |  |   |        |   |  |   |         |  



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Identifiable assets by operating segment are set forth below:



|                          |  |                      |        |                  |   |           |  |       |         |  |   |        
|------------------------- |  | -------------------- | ------ | ---------------- | - | --------- |  | ----- | ------- |  | - | -------
|                          |  | As of March 31, 2008
|                          |  | Biofuels             |        | SpecialtyEnzymes |   | Corporate |  | Total
|Total identifiable assets |  | $                    | 84,443 |                  | $ | 24,346    |  | $     | 187,728 |  | $ | 296,517
|                          |  |                      |        |                  |   |           |  |       |         |  |   |        

Concentrations of Business Risk



|                          |  |                         |        |                  |   |           |  |       |         |  |   |        
|------------------------- |  | ----------------------- | ------ | ---------------- | - | --------- |  | ----- | ------- |  | - | -------
|                          |  | As of December 31, 2007
|                          |  | Biofuels                |        | SpecialtyEnzymes |   | Corporate |  | Total
|Total identifiable assets |  | $                       | 67,599 |                  | $ | 23,626    |  | $     | 173,554 |  | $ | 264,779
|                          |  |                         |        |                  |   |           |  |       |         |  |   |        

Since we only began operating in two business segments since June 21, 2007, there is no
separate segment financial information available for the three months ended March 31, 2007 for comparative purposes.

Consolidated
Results of Operations

Revenues

Revenues for the three months ended March 31, 2008 and 2007 are as follows (in thousands):



|                   |  |                              |        |      |   |          |  |     |   
|------------------ |  | ---------------------------- | ------ | ---- | - | -------- |  | --- | --
|                   |  | Three Months Ended March 31, |        |      |  
|                   |  | 2008                         |        | 2007 |   | % Change | 
|Revenues:          |  |                              |        |      |   |          |  |     |   
|Phyzyme phytase    |  | $                            | 7,402  |      | $ | 3,778    |  | 96  | % 
|All other products |  |                              | 3,799  |      |   | 1,574    |  | 141 | % 
|                   |  |                              |        |      |   |          |  |     |   
|Total product      |  |                              | 11,201 |      |   | 5,352    |  | 109 | % 
|Collaborative      |  |                              | 3,475  |      |   | 4,735    |  | (27 | )%
|Grant              |  |                              | 559    |      |   | 1,221    |  | (54 | )%
|                   |  |                              |        |      |   |          |  |     |   
|Total Revenues     |  | $                            | 15,235 |      | $ | 11,308   |  | 35  | % 
|                   |  |                              |        |      |   |          |  |     |   

Revenues increased 35%, or $3.9 million, to $15.2 million for the three months ended
March 31, 2008 from $11.3 million for the three months ended March 31, 2007, attributed primarily to an increase in product revenue, partially offset by a decrease in collaborative and grant revenue. Our revenue mix has shifted to a larger
percentage of product revenue, consistent with our strategy to grow product sales and de-emphasize collaborations that are not core to our strategic market focus. Product revenue represented 73% of total revenues for the three months ended
March 31, 2008, as compared to 47% for the three months ended March 31, 2007.

Product revenues for the three months ended
March 31, 2008 increased $5.8 million, or 109%, to $11.2 million from $5.4 million for the three months ended March 31, 2007. This increase was attributable primarily to increased revenue and profit sharing associated with Phyzyme XP
phytase sold through our collaboration with Danisco. The increase in Phyzyme revenue has been primarily related to the following factors:



| |  |  | In late 2006, the EU Commission granted permanent authorization for the use of Phyzyme XP in broiler poultry feed in Europe which has expanded the end user market
for Phyzyme XP;
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | In late 2006, Danisco introduced a new dry, pelletized, and thermally-stable formulation of Phyzyme XP; and
| | - |  | -----------------------------------------------------------------------------------------------------------



| |  |  | Beginning in late 2007, due to an increase in the cost of phosphates (an animal feed additive), sales volumes of Phyzyme XP to Daniscos current customers have
been positively impacted, as many of these customers have increased Phyzyme dosages as a replacement for higher-cost phosphates.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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The increase in product revenue is also attributed to an increase in sales of our other commercial enzyme
products, including Fuelzyme-LF and Purifine. Product revenue for the three months ended March 31, 2008 also includes $1.7 million of revenue from sales of Bayovac-SRS and Quantum, which we do not expect to continue beyond the first quarter of
2008, due to the following:



| |  |  | In late 2007, because of new entrants into the vaccine market and resulting pressure on pricing and margins, we made the strategic decision to exit the animal
health vaccine market to focus on product commercialization efforts in areas that are more strategic to our current focus, namely biofuels. In connection with this decision, we terminated our Licensing and Collaboration Agreement with Microtek, and
discontinued sales of Bayovac SRS after March 31, 2008; and
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | In February 2008, AB Enzymes and AB Vista (collectively, AB), both subsidiaries of Associated British Foods plc, announced the acquisition of
Syngentas Quantum Phytase feed enzyme business. Prior to this transaction, we supplied Quantum Phytase to Syngenta pursuant to a manufacturing and supply agreement. We do not expect to continue to manufacture and supply the Quantum enzyme to
AB after March 31, 2008, as we have been unable to reach a manufacturing and supply agreement with AB on commercially agreeable terms.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Pursuant to our agreement with Syngenta, we are entitled to a portion of the net proceeds from the sale of the Quantum business, which we do not expect to be material.

While we anticipate an increase in revenue from our non-Phyzyme products, we expect that Phyzyme will continue to represent a significant percentage of
our total product revenue in the foreseeable future.

Collaborative revenue decreased 27%, or $1.3 million, to $3.5 million from $4.7
million and accounted for 23% and 42% of total revenue for the three months ended March 31, 2008 and 2007. We have continued to de-emphasize collaborations that are not core to our current focus in favor of greater emphasis on sales of
products. We anticipate that collaborative revenue will continue to decrease in 2008 as compared to 2007, due in large part to this de-emphasis of non-strategic collaborations, but also due to a decrease in revenue related to the expected wind-down
of projects with existing strategic collaborators such as Syngenta, Bunge, and BASF. We will continue to pursue opportunities to expand, renew, or enter into new collaborations that we believe fit our strategic focus and represent product
commercialization opportunities in the future; however, there can be no assurance that we will be successful in renewing or expanding existing collaborations, or securing new collaboration partners.

Grant revenue decreased 54%, or $0.7 million, to $0.6 million for the three months ended March 31, 2008 as compared to $1.2 million for the three
months ended March 31, 2007. Since late 2005, we have continued to de-emphasis grants and government contracts that are not core to our strategic focus. We may elect to pursue additional opportunities in the foreseeable future to secure
federal, state or local agency funding to support our biofuels initiatives. For example, in early 2007 and 2008 we were awarded two grants to be funded by the Department of Energy to discover and develop new enzymes and enzyme cocktails to break
down various types of biomass.

Our revenues have historically fluctuated from period to period and likely will continue to fluctuate
substantially in the future based upon the adoption rates of our new and existing commercial products, timing and composition of funding under existing and future collaboration agreements, as well as regulatory approval timelines for new products.
We anticipate that our revenue mix will continue to shift toward a higher percentage of product-related revenue.

Product Gross
Profit & Gross Margin

Product gross profit and product gross margin for the three months ended March 31, 2008 and 2007
are as follows (in thousands):



|                        |  |                              |        |   |      |   |       |          |  |     |  
|----------------------- |  | ---------------------------- | ------ | - | ---- | - | ----- | -------- |  | --- | -
|                        |  | Three Months Ended March 31, |        |   |      |  
|                        |  | 2008                         |        |   | 2007 |   |       | % Change | 
|Product revenue         |  | $                            | 11,201 |   |      | $ | 5,352 |          |  | 109 | %
|Cost of product revenue |  |                              | 7,877  |   |      |   | 4,892 |          |  | 61  | %
|                        |  |                              |        |   |      |   |       |          |  |     |  
|Product gross profit    |  |                              | 3,324  |   |      |   | 460   |          |  | 623 | %
|Product gross margin    |  |                              | 30     | % |      |   | 9     | %        |  |     |  

Product gross profit totaled $3.3 million, or 30% of product revenue, for the three months ended
March 31, 2008 compared to $0.5 million, or 9% of product revenue, for the three months ended March 31, 2007. Gross profit and margin improvement is reflective of higher sales volumes to absorb our fixed costs.



30



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Because Phyzyme represents a significant percentage of our product revenue, our product gross margin is
impacted to a great degree by the gross margin achieved on sales of Phyzyme. Under our agreement with Danisco, we sell our Phyzyme inventory to Danisco at our cost and then share 50% of Daniscos profit, as defined, when the product is sold to
the end user. As a result, our total cost of product revenue for Phyzyme is incurred as we ship product to Danisco, and profit share revenue is recognized in the period in which the product is sold to the end user as reported to us by Danisco.

In addition, our gross margin is dependent upon the mix of product sales as the cost of product revenue varies from product to product. We
believe that our gross margin should be positively impacted as we grow sales of products we market and sell directly to end users, namely Fuelzyme-LF and Purifine, which are expected to have higher gross margins than our Phyzyme products.

Cost of product revenue includes both fixed and variable costs, including materials and supplies, labor, facilities and other overhead
costs, associated with our product revenues. Excluded from cost of product revenue are costs associated with the scale-up of manufacturing processes for new products that have not reached commercial-scale production volumes, which we include in our
research and development expenses. For the three months ended March 31, 2008, cost of product revenue increased $3.0 million, or 61%, to $7.9 million compared to $4.9 million for the three months ended March 31, 2007. This increase
resulted primarily from the increase in product revenues, and to a lesser extent, the increase in our fixed manufacturing costs under our contract with Fermic, S.A., or Fermic, our manufacturing partner in Mexico City. Despite the increase in fixed
costs, our gross margin improved to 30% for the three months ended March 31, 2008 from 9% for the three months ended March 31, 2007 due to higher sales volumes.

We expect our gross margins in 2008 to be positively impacted by continued growth in sales of Phyzyme XP and our other products, as well as cost efficiencies we expect to achieve as we continue to scale up production
and improve our manufacturing yields. Because a large percentage of our manufacturing costs are fixed, we will realize continued margin improvements as product revenues increase; however, our margins may be negatively impacted in the future if our
product revenues do not grow in line with our increase in minimum capacity requirements at Fermic. For example, during December 2007, we expanded our manufacturing capabilities at Fermic, which will increase our fixed manufacturing costs by
approximately $0.6 million per quarter, and we are planning to further expand our manufacturing capabilities in the fourth quarter of 2008, which will increase our fixed manufacturing costs by an additional $0.6 million per quarter. In addition, our
gross margins are dependent upon the mix of product-related sales as the cost of product-related revenue varies from product to product. We have recently experienced some inventory losses related to contamination issues in our Phyzyme enzyme
manufacturing process. If we continue to experience inventory losses, our gross margins will be negatively impacted.

Research and
Development

Research and development expenses consist primarily of costs associated with internal development of our technologies and
our product candidates, manufacturing scale-up and bioprocess development for our current products, and costs associated with research activities performed on behalf of our collaborators, as well as costs related to technology development and
engineering costs associated with our pilot and demonstration-scale cellulosic ethanol. We track our researchers time by type of project. However, we do not track other research and development costs by project; rather, we track such costs by
the type of cost incurred. Research and development expenses for the three months ended March 31, 2008 and 2007 are as follows (in thousands):



|                         |  |                              |        |      |   |          |  |    |  
|------------------------ |  | ---------------------------- | ------ | ---- | - | -------- |  | -- | -
|                         |  | Three Months Ended March 31, |        |      |  
|                         |  | 2008                         |        | 2007 |   | % Change | 
|Research and development |  | $                            | 14,861 |      | $ | 11,639   |  | 28 | %

Our research and development expenses increased $3.2 million, or 28%, for the three months ended
March 31, 2008 from the three months ended March 31, 2007. This increase was primarily due to incremental payroll and related expenses for biofuels technology development and engineering activities as a result of our merger with Celunol in
June 2007.

For the three months ended March 31, 2008, we estimate that approximately 31% of our research and development personnel
costs, based upon hours incurred, were spent on research activities funded by our collaborators and grants, and that approximately 69% were spent on internal product and technology development. For the three months ended March 31, 2007, we
estimate that approximately 63% of our research and development personnel-related costs, based upon hours incurred, were spent on research activities funded by our collaborators and grants, and that approximately 37% were spent on internal product
and technology development.



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Research and development direct personnel-related costs and unallocated non-personnel costs incurred by
type of project during the three months ended March 31, 2008 and 2007 were as follows (in thousands):



|                          |  |                              |        |      |   |       
|------------------------- |  | ---------------------------- | ------ | ---- | - | ------
|                          |  | Three Months Ended March 31,
|                          |  | 2008                         |        | 2007
|Collaborations:           |  |                              |        |      |   |       
|Syngenta                  |  | $                            | 1,084  |      | $ | 755   
|Other                     |  |                              | 679    |      |   | 1,592 
|                          |  |                              |        |      |   |       
|Total collaborations      |  |                              | 1,763  |      |   | 2,347 
|Grants                    |  |                              | 307    |      |   | 387   
|Internal development      |  |                              | 4,615  |      |   | 1,619 
|Unallocated non-personnel |  |                              | 8,176  |      |   | 7,286 
|                          |  |                              |        |      |   |       
|                          |  | $                            | 14,861 |      | $ | 11,639
|                          |  |                              |        |      |   |       

Our internal development costs relate primarily to research and development efforts dedicated to
our cellulosic ethanol process development activities, early-stage discovery of new enzymes, regulatory work for mid-stage development products, and bioprocess development and technical support for late-stage development. We consider early-stage
projects to be those which are experimental in nature, and are often short-lived. We consider mid-stage development products to be those that are potential candidates to advance to regulatory and commercialization stages. We consider late-stage
products those that have been approved for their intended use by one or more regulatory agencies, have already been introduced commercially, or such commercial introduction is pending. Our expenses related to cellulosic ethanol process development
relate primarily to our development activities to commercialize cellulosic ethanol.

We estimate that our allocation of internal research
and development personnel-related costs during the three months ended March 31, 2008 and 2007 was as follows (in thousands):



|                                       |  |                              |       |      |   |      
|-------------------------------------- |  | ---------------------------- | ----- | ---- | - | -----
|                                       |  | Three Months Ended March 31,
|                                       |  | 2008                         |       | 2007
|Early-stage product development        |  | $                            | 51    |      | $ | 312  
|Mid-stage product development          |  |                              |      |      |   | 72   
|Late-stage product development         |  |                              | 1,518 |      |   | 990  
|Cellulosic ethanol process development |  |                              | 2,567 |      |   |     
|R&D support activities                 |  |                              | 479   |      |   | 245  
|                                       |  |                              |       |      |   |      
|                                       |  | $                            | 4,615 |      | $ | 1,619
|                                       |  |                              |       |      |   |      

The increase in our internal development costs was largely the result of our merger with Celunol
Corp. and our emphasis on biofuels process development. Our allocation of research and development resources varies from period to period and is largely dependent upon resources we have available over and above what is funded by our partners;
however, we believe that our internal development projects are benefited to some extent by work we perform under our funded collaborative agreements.

Total research and development costs incurred for the three months ended March 31, 2008 and 2007 were as follows (in thousands):



|                               |  |                              |        |      |   |       
|------------------------------ |  | ---------------------------- | ------ | ---- | - | ------
|                               |  | Three Months Ended March 31,
|                               |  | 2008                         |        | 2007
|Personnel-related              |  | $                            | 6,685  |      | $ | 4,353 
|Laboratory and supplies        |  |                              | 1,297  |      |   | 2,656 
|Outside services               |  |                              | 1,164  |      |   | 538   
|Equipment and depreciation     |  |                              | 2,220  |      |   | 1,527 
|Facilities, overhead and other |  |                              | 2,139  |      |   | 2,015 
|Scale-up manufacturing costs   |  |                              | 32     |      |   | 130   
|Share-based compensation       |  |                              | 1,324  |      |   | 420   
|                               |  |                              |        |      |   |       
|                               |  | $                            | 14,861 |      | $ | 11,639
|                               |  |                              |        |      |   |       



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Our research and development expenses increased $3.2 million, to $14.9 million, for the three months
ended March 31, 2008, from $11.6 million for the three months ended March 31, 2007. This increase was attributed to a $2.3 million increase in personnel-related costs for direct research and development, primarily for biofuels technology
development and engineering activities. Our outside services increased $0.6 million primarily related to process improvements for our pilot facility and demonstration-scale cellulosic ethanol facility in Jennings, Louisiana. Equipment and
depreciation increased $0.7 million primarily related to our pilot and demonstration facilities. These increases were partially offset by a decrease in lab supplies primarily related to our de-emphasis of collaboration activities which also reduced
our related collaboration revenue.

We have a limited history of developing commercial products. We determine which products to pursue
independently based on various criteria, including: investment required, estimated time to market, regulatory hurdles, infrastructure requirements, and industry-specific expertise necessary for successful commercialization. Successful products
require significant development and investment prior to regulatory approval and commercialization. As a result of the significant risks and uncertainties involved in developing and commercializing such products, we are unable to estimate the nature,
timing, and cost of the efforts necessary to complete each of our major projects. These risks and uncertainties include, but are not limited to, the following:



| |  |  | Our products may require more resources than we anticipate if we are technically unsuccessful in initial development or commercialization efforts.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | The outcome of research is unknown until each stage of testing is completed, up through and including product trials and regulatory approvals, if needed.
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | It can take many years from the initial decision to perform research through development until products, if any, are ultimately marketed.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------



| |  |  | We have several product candidates in various stages of development related to collaborations and grants as well as internally developed products. At any time, we
may modify our strategy and pursue additional collaborations for the development and commercialization of some products that we had intended to pursue independently.
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Any one of these risks and uncertainties could have a significant impact on the nature, timing, and costs to complete our product development efforts.
Accordingly, we are unable to predict which potential product candidates we may proceed with, the time and costs to complete development, and ultimately whether we will have any products approved by the appropriate regulatory bodies. The various
risks associated with our research and development activities are discussed more fully in this report under Risk Factors.

Selling, General and Administrative Expenses

Selling, general and administrative expenses for the three months ended
March 31, 2008 and 2007 are as follows (in thousands):



|                                             |  |                              |       |      |   |          |  |    |  
|-------------------------------------------- |  | ---------------------------- | ----- | ---- | - | -------- |  | -- | -
|                                             |  | Three Months Ended March 31, |       |      |  
|                                             |  | 2008                         |       | 2007 |   | % Change | 
|Selling, general and administrative expenses |  | $                            | 9,624 |      | $ | 5,247    |  | 83 | %

Selling, general and administrative expenses increased $4.4 million, or 83%, to $9.6 million
(including share-based compensation of $2.1 million) for the three months ended March 31, 2008, from $5.2 million (including share-based compensation of $0.6 million) for the three months ended March 31, 2007. This increase is largely due
to incremental personnel and overhead costs (including share-based compensation) resulting from the merger, incremental litigation expenses and, to a lesser extent, increased personnel costs and professional services costs to support the growth in
product sales and increased complexity of our business.

We expect that our selling, general and administrative expenses will continue to
exceed 2007 levels to support both the anticipated growth in sales of our specialty enzyme products and our biofuels commercialization efforts.



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Share-Based Compensation Charges

We recognized $3.5 million, or $0.06 per share, and $1.1 million, or $0.02 per share, in share-based compensation expense for our share-based awards
during the three months ended March 31, 2008 and 2007. These charges had no impact on our reported cash flows. Share-based compensation expense was allocated among the following expense categories (in thousands):



|                                    |  |                              |       |      |   |      
|----------------------------------- |  | ---------------------------- | ----- | ---- | - | -----
|                                    |  | Three Months Ended March 31,
|                                    |  | 2008                         |       | 2007
|Research and development            |  | $                            | 1,324 |      | $ | 420  
|Selling, general and administrative |  |                              | 2,150 |      |   | 641  
|                                    |  |                              |       |      |   |      
|                                    |  | $                            | 3,474 |      | $ | 1,061
|                                    |  |                              |       |      |   |      

Our share-based compensation charges increased primarily due to additional options and awards
granted to our new executive team in connection with our merger.

Interest and other income (expense), net

Interest expense was $2.7 million, net of $0.7 million in capitalized interest for the
demonstration facility, for the three months ended March 31, 2008 compared to $0.2 million for the three months ended March 31, 2007. This increase was attributed to interest on the 2007 Notes we issued in March and April 2007 combined
with the 2008 Notes issued in February 2008. For the three months ended March 31, 2008, we recorded aggregate interest expense related to the 2008 Notes of $1.1 million, representing $0.5 million for the stated 8.0% coupon rate and $0.6 million
related to the amortization of debt discounts and financing costs. Aggregate debt discount costs of $39.8 million and financing costs of $3.5 million, are being amortized into interest expense over the term of the debt, or approximately four years.

Interest income on cash and short term investments of $0.4 million for the three months ended March 31, 2008 was consistent with the
comparable period in the prior year, reflecting comparable average cash and investment balances and comparable rates of return year over year.

The fair value of the conversion rights, warrants, and the convertible hedge transaction in connection with our 2008 Notes are marked-to-market each balance sheet date and recorded as a derivative asset or liability. The change in fair
value is recorded in the statement of operations as Change in fair value of derivative assets and liabilities. During the three months ended March 31, 2008, we recorded a net charge of $0.6 million related to the change in fair
value of our recorded derivative asset and liabilities between the closing date of February 22, 2008 and March 31, 2008.



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Liquidity and Capital Resources

Since inception, we have financed our business primarily through the sale of common and preferred stock, funding from strategic partners and government grants, the issuance of convertible debt, and product sales. As
of March 31, 2008, our strategic partners have provided us more than $300 million in funding since inception and are also committed to additional funding of more than $14 million through 2012, subject to our performance under existing
agreements, excluding milestone payments, license and commercialization fees, and royalties or profit sharing.

Our future committed
funding is subject to our performance under existing agreements, and is concentrated within a limited number of collaborators. Our failure to successfully maintain our relationships with these collaborators could have a material adverse impact on
our operating results and financial condition.

Capital Requirements

As of March 31, 2008, we had cash, cash equivalents, and short-term investments of approximately $60 million. Our short-term investments as of such
date consisted primarily of U.S. Treasury and government agency obligations and investment-grade corporate obligations. Historically, we have funded our capital equipment purchases through available cash, capital leases and equipment financing line
of credit agreements. Since we announced our merger with Celunol in February 2007, we have issued $172.5 million of convertible debt to fund our cellulosic ethanol pilot and demonstration-scale facilities and other working capital requirements.

Our independent registered public accounting firm has included an explanatory paragraph in its report on our 2007 financial statements
related to the uncertainty of our ability to continue as a going concern. We anticipate that our cash at March 31, 2008 will not be sufficient to meet the cash requirements to fund our operating expenses, capital expenditures, and working
capital beyond December 2008 without additional sources of cash. This risk is attributable primarily to two factors:



| |  |  | Uncertainties surrounding the additional capital requirements related to the completion, start-up and commissioning of our demonstration-scale cellulosic ethanol
facility. We do not have fixed fee arrangements with our major engineering and construction firms; as such, most of our engineering and construction costs related to our demonstration-plant are incurred and paid on a time and materials
basis. During 2007 and early 2008, we have incurred costs in excess of our projected expenditures for the improvements to our pilot plant and construction of our demonstration plant. We may continue to experience such overages during 2008 in excess
of our budgeted expenditures.
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Minimum liquidity, working capital, and/or market capitalization requirements under our existing bank debt agreement and facilities lease agreements. As
more fully described in Letter of Credit of this Liquidity and Capital Resourcessection, effective in May 2008 we are required to secure certain unsecured obligations under our Bank Agreement and our facilities lease agreements
based upon our inability as of March 31, 2008 to maintain certain minimum liquidity, working capital and/or market capitalization thresholds. As of May 2008, we are required to collateralize a letter of credit with approximately $10.0 million
of our cash, which will be reflected as restricted cash on our balance sheet in subsequent reporting periods.
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

We believe
that we will be successful in generating additional cash through a combination of corporate partnerships and collaborations, federal and state grant funding, incremental product sales, selling or financing assets, and, if necessary and available,
the sale of equity or debt securities. If we are unsuccessful in raising additional capital from any of these sources, we may need to defer, reduce or eliminate certain planned expenditures. There can be no assurance that we will be able to obtain
any sources of financing on acceptable terms, or at all. If we are not able to defer, reduce or eliminate our expenditures, secure additional sources of revenue or otherwise secure additional funding, we may need to restructure or significantly
curtail our operations, divest all or a portion of our business, file for bankruptcy or cease operations.

Completion of 2007
Convertible Notes Offering

In late March 2007 and early April 2007, we completed an offering of $120 million aggregate principal amount
of 2007 Notes in a private placement, generating net cash proceeds to the Company of approximately $114.7 million. The 2007 Notes have been registered under the Securities Act of 1933, as amended, to permit registered resale of the 2007 Notes and of
our common stock issuable upon conversion of the 2007 Notes.

The 2007 Notes bear interest at 5.5% per year, payable in cash
semi-annually, and are convertible at the option of the holders at any time prior to maturity, redemption or repurchase into shares of Verenium common stock at an initial conversion rate of 122.5490 shares per $1,000 principal amount of 2007 Notes
(subject to adjustment in certain



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##### Table of Contents

circumstances), which represents an initial conversion price of $8.16 per share. On April 1, 2008, in accordance with the 2007 Notes agreement, the
conversion rate of the 2007 Notes was increased to 156.25 shares per $1,000 principal amount, which represents a conversion price of $6.40 per share, which was the closing price per share of our common stock on the date of the offering. As a result
of the change in the conversion price, total common shares that would be issued assuming conversion of the entire $101.5 million in 2007 Notes outstanding as of March 31, 2008 increased from 12.4 million shares to 15.9 million shares.

On or after April 5, 2012, the Company may, at its option, redeem the 2007 Notes, in whole or in part, for cash at a redemption price
equal to 100% of the principal amount of the Notes to be redeemed plus any accrued and unpaid interest to the redemption date. On each of April 1, 2012, April 1, 2017 and April 1, 2022, holders may require the Company to purchase
all or a portion of their 2007 Notes at a purchase price in cash equal to 100% of the principal amount of the notes to be purchased plus any accrued and unpaid interest to the purchase date. Holders may also require the Company to repurchase all or
a portion of their 2007 Notes upon a fundamental change at a repurchase price in cash equal to 100% of the principal amount of the 2007 Notes to be repurchased plus any accrued and unpaid interest to the repurchase date. Pursuant to the terms of the
Notes, a fundamental change is broadly defined as 1) a change in control, or 2) a termination of trading of our common stock.

We have used a significant portion of the proceeds of this offering to make enhancements to our pilot facility and continue construction and development of our demonstration-scale facility in Jennings, Louisiana, to commercialize our
specialty enzymes products, to continue our research and development efforts in both specialty enzymes and biofuels, and for expenses related to our merger with Celunol, all of which have adversely affected, and will continue to adversely affect,
our operating results until revenues from our specialty enzymes business and our biofuels business reach levels at which we can fully support our operating and capital expenditures.

As described below, in connection with our recent private placement of new convertible notes, we entered into exchange agreements with certain
noteholders, representing $18.5 million in aggregate principal of the existing 2007 Notes.

Completion of 2008 Convertible Notes
Offering

On February 22, 2008, we completed a private placement of 2008 Notes and warrants to purchase our common stock.
Concurrent with entering into the purchase agreement, we also entered into senior notes exchange agreements with certain existing holders of our 2007 Notes pursuant to which such noteholders exchanged approximately $18.5 million in aggregate
principal amount of the 2007 Notes for approximately $16.7 million in aggregate principal amount of the 2008 Notes and for warrants to purchase common stock. Including the 2008 Notes to be issued in exchange for the 2007 Notes, we issued $71 million
in aggregate principal amount of the 2008 Notes and warrants to purchase approximately 8 million shares of our common stock. Gross proceeds from new investment were approximately $54 million and net proceeds from new investment, after giving
effect to payment of certain transaction-related expenses and the cash cost of the convertible hedge transaction described below, were approximately $45 million.

The 2008 Notes are convertible on the date of their issuance. Their initial conversion price is equal to $4.09 per share. The conversion price is subject to full ratchet anti-dilution protection and a reset provision
whereby, to the extent the volume weighted average price of our common stock during the seven trading days prior to the one-year anniversary of the issuance of the 2008 Notes s is less than $3.55 per share, the conversion price will reset to the
greater of $2.13 per share or 115% of the volume weighted average price of the common stock at that time. In addition, subject to the satisfaction of certain conditions, including that an effective resale registration statement for the applicable
shares be on file, interest payments on the 2008 Notes may be made, at our option, in shares of common stock, valued at a 5% discount to the stock price at the time of payment of the interest. In the event that we do not receive shareholder approval
for issuances of shares beyond 19.9% of the number of our issued and outstanding shares as of February 22, 2008, any required share issuances under the 2008 Notes in excess of that amount will be settled for cash in an amount per share equal to
the closing sales price of our common stock on the conversion date. The 2008 Notes are subject to automatic conversion at our option if our closing stock price exceeds $8.18 per share over a 30-trading day period ending prior to the date we provides
notice of the automatic conversion to investors, the average daily trading volume of our stock over that 30-trading day period equals or exceeds $3 million, and certain other conditions are met.

The warrants are exercisable six months after their issuance. The initial exercise price of the warrants is $4.44 per share. The exercise price is
subject to weighted average anti-dilution protection. We are not permitted to issue shares of our common stock upon exercise of the warrants unless and until we receive shareholder approval for such issuances. If such shareholder approval is
obtained, the warrants, beginning six months after their issuance, will be exercisable for shares of our common stock. If such shareholder approval is not obtained, the warrants will never be exercisable for shares of common stock and will only be
settled for cash on exercise in an amount per share issuable equal to the closing sales price of our common stock on the exercise date less the applicable warrant exercise price.



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In connection with the transactions described above, we entered into a convertible hedge transaction with
a counterparty, which is intended to reduce the potential dilution upon conversion of the 2008 Notes. The convertible hedge transaction is composed of two separate call options. Under the first call option, on April 1, 2012 (or earlier upon
conversion of the 2008 Notes), we are entitled to purchase 13,288,509 shares of our common stock from the counterparty at a price per share equal to the initial conversion price (or a proportion of such number of shares based on the proportion of
the 2008 Notes being converted). Under the second call option, on three exercise dates staggered in six month intervals beginning on October 1, 2013, the counterparty is entitled to purchase an aggregate of 13,288,509 shares of our common stock
at a price per share of $5.16. The cash cost of the convertible hedge transaction was approximately $6.2 million.

On March 12, 2008,
one noteholder of the Companys 2008 Notes converted principal in the amount of $0.9 million into 220,048 shares of the Companys common stock. The conversion price was equal to the initial conversion price of $4.09 per share. The Company
also made a make-whole payment in the amount of $0.3 million related to the unpaid interest from the period of the conversion through the maturity of the 2008 Notes, April 1, 2012, in accordance with the 2008 Notes agreement.

We intend to use the remaining net proceeds from the sale of our 2008 Notes and warrants for general corporate and working capital purposes, including
the completion of construction, commissioning and start-up of our cellulosic ethanol demonstration facility.

The following table
summarizes our principal and interest obligations for the 2007 and 2008 Notes offering as of March 31, 2008 (in thousands):



|                                         |  |       |         |                        |   |             |  |             |        |                  |   |        |  |   |        
|---------------------------------------- |  | ----- | ------- | ---------------------- | - | ----------- |  | ----------- | ------ | ---------------- | - | ------ |  | - | -------
|                                         |  |       |         | Payments due by Period
|                                         |  | Total |         | Less than1 Year        |   | 1 - 3 Years |  | 3 - 5 Years |        | More than5 Years
|2007 Notes                               |  | $     | 210,359 |                        | $ | 5,583       |  | $           | 11,165 |                  | $ | 11,165 |  | $ | 182,446
|2008 Notes (1)                           |  |       | 93,062  |                        |   | 4,736       |  |             | 11,216 |                  |   | 77,110 |  |   |       
|                                         |  |       |         |                        |   |             |  |             |        |                  |   |        |  |   |        
|Total Principal and Interest Obligations |  | $     | 303,421 |                        | $ | 10,319      |  | $           | 22,381 |                  | $ | 88,275 |  | $ | 182,446
|                                         |  |       |         |                        |   |             |  |             |        |                  |   |        |  |   |        



|(1) | Total obligations under the 2008 Notes includes approximately $23 million in interest through maturity of the notes. Interest payments on the notes may be made, at our option and
subject to the satisfaction of certain conditions, in shares of common stock, or interest shares, valued at a 5% discount to the average of the volume weighted stock price during a measurement period prior to the applicable interest payment date.
|--- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Cash Flows Related to Operating, Investing and Financing Activities

Our operating activities used cash of $20.9 million for the three months ended March 31, 2008. Our cash used by operating activities consisted
primarily of cash used to fund our net loss of $23.3 million, as well as $4.1 million we paid in bonus incentive awards in February 2008 related to our fiscal 2007 incentive plan and payments of past due accounts payable as of December 31,
2007.

Our investing activities used cash of $20.7 million for the three months ended March 31, 2008. Our investing activities
included purchases of property, plant and equipment of $21.8 million primarily for the ongoing construction of our demonstration plant, partially offset by cash generated through net maturities of short-term investments of $1.1 million to fund
operations.

We recently achieved a key development milestone with our demonstration-scale cellulosic ethanol facility in Jennings,
Louisiana with commencement of the transition to startup phase. With this phase of the project now effective, the site has been electronically energized and the turnover of individual systems to start-up and operating teams has begun so
that the functional capabilities of each system can be tested. In total, more than forty separate systems will be evaluated over approximately the next three months. Following the start-up phase, the project will move into a commissioning phase
geared toward validating the implementation of our technology and process at scale, including the ability to produce ethanol within predefined performance criteria. This will include introducing enzymes and ethanologens into the process and running
biomass through the system to produce ethanol. Subsequently, work to optimize the facility and make process improvements will commence as we seek to ensure reliable and cost-effective operation. The commissioning and optimization phase is
anticipated to continue through the end of this year.



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During 2007 and the three months ended March 31, 2008, Celunol and Verenium spent in excess of $80
million on further modifications and improvements to our pilot facility and constructing our demonstration-scale cellulosic ethanol facility in Jennings, Louisiana. We estimate that the total additional capital expenditures required to complete
these projects will be in the range of $15 million to $20 million through mechanical completion, commissioning and start-up of our demonstration facility for the remainder of 2008. We do not have fixed-priced arrangements with our major engineering
and construction firms; as such, most of our engineering and construction costs related to our demonstration-facility are incurred and paid on a time and materials basis. During 2007 and early 2008, we have incurred costs in excess of our projected
expenditures for the improvements to our pilot plant and construction of our demonstration plant. We may continue to experience such cost overruns during 2008.

Our financing activities generated net cash of $44.4 million for the three months ended March 31, 2008, consisting primarily of net proceeds from our 2008 Notes offering in February 2008.

Contractual Obligations

The
following table summarizes our contractual obligations at March 31, 2008, excluding our Convertible Notes principal and interest payments shown above (in thousands):



|                                         |  |       |        |                        |   |             |  |             |        |                  |   |        |  |   |       
|---------------------------------------- |  | ----- | ------ | ---------------------- | - | ----------- |  | ----------- | ------ | ---------------- | - | ------ |  | - | ------
|                                         |  |       |        | Payments due by Period
|                                         |  | Total |        | Less than1 Year        |   | 1 - 3 Years |  | 3 - 5 Years |        | More than5 Years
|Contractual Obligations                  |  |       |        |                        |   |             |  |             |        |                  |   |        |  |   |       
|Long-term debt, including capital leases |  | $     | 3,214  |                        | $ | 2,475       |  | $           | 739    |                  | $ |       |  | $ |      
|Operating leases(1)                      |  |       | 44,154 |                        |   | 4,871       |  |             | 10,157 |                  |   | 10,893 |  |   | 18,233
|Manufacturing costs to Fermic(2)         |  |       | 26,343 |                        |   | 10,537      |  |             | 15,806 |                  |   |       |  |   |       
|Purchase commitment(3)                   |  |       | 895    |                        |   | 597         |  |             | 298    |                  |   |       |  |   |      
|License and research agreements          |  |       | 2,135  |                        |   | 1,013       |  |             | 382    |                  |   | 290    |  |   | 450   
|                                         |  |       |        |                        |   |             |  |             |        |                  |   |        |  |   |       
|Total Contractual Obligations            |  | $     | 76,741 |                        | $ | 19,493      |  | $           | 27,382 |                  | $ | 11,183 |  | $ | 18,683
|                                         |  |       |        |                        |   |             |  |             |        |                  |   |        |  |   |       



|1 | Operating lease obligations are shown net of $7.1 million in sublease rental income that we expect to receive through February 28, 2015, pursuant to a facilities sublease
agreement we entered into during the fourth quarter of 2007.
|- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|2 | Pursuant to our manufacturing agreement with Fermic, we are obligated to reimburse monthly costs related to manufacturing activities. These costs scale up as our projected
manufacturing volume increases. As of March 31, 2008, under this agreement we have made minimum commitments to Fermic of approximately $26.3 million, over the next three years.
|- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|3 | In August 2006, Celunol Corp. entered into a commitment to purchase a piece of equipment for the demonstration plant in the amount of $2.2 million, of which $0.5 million was paid
upon signing the agreement and an additional $0.5 million upon shipment which occurred in September 2007. The remaining balance of $1.3 million is to be paid ratably over the 24 month period beginning January 2008 and is included in liabilities on
our condensed consolidated balance sheets as of March 31, 2008.
|- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Manufacturing and Supply Agreements

During 2002, we entered into a manufacturing agreement with Fermic to provide us with the capacity to produce commercial quantities of certain enzyme
products. Based on actual and projected increased product requirements, the agreement was amended in 2006 to provide for additional capacity to be installed over the next two years. Under the terms of the agreement, we can cancel the committed
purchases with thirty months notice provided that the term of the agreement, including the termination notice period, aggregates four years. Pursuant to our agreement with Fermic, we are also obligated to reimburse monthly costs related to
manufacturing activities. These costs scale up as our projected manufacturing volume increases. As of March 31, 2008, under this agreement we have made minimum commitments to Fermic of approximately $26.3 million, over the next three years. In
addition, under the terms of the agreement, we are required to purchase certain equipment required for fermentation and downstream processing of the products. Through March 31, 2008, we had incurred costs of approximately $16.5 million for
equipment related to this agreement.

For the remainder of 2008, we anticipate funding as much as $2.3 million in additional equipment
costs related to our manufacturing agreement with Fermic. As we continue to develop our commercial manufacturing platforms, we will be required to purchase additional capital equipment under this agreement.



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Our supply agreement with Danisco for Phyzyme contains provisions which allow Danisco, with six months
advance notice, to assume of the right to manufacture Phyzyme. If Danisco were to exercise this right, we would likely experience significant excess capacity at Fermic. If Danisco assumed the right to manufacture Phyzyme and we were unable to absorb
the excess capacity at Fermic with other products, our results of operations and financial condition would be adversely affected.

Bank
Debt

On September 30, 2005, we entered into a $14.6 million Loan and Security Agreement (the Bank Agreement) with a
commercial bank (the Bank). The Bank Agreement provided for a one-year credit facility for up to $10.0 million in financing for qualified equipment purchases in the United States and Mexico (the Equipment Advances) and a
$4.6 million letter of credit sub-facility (the Letter of Credit Sublimit). The Bank Agreement was amended in October 2006 to increase the Letter of Credit Sublimit to $4.7 million. Borrowings under the Equipment Advances are structured
as promissory notes which are secured by qualified equipment purchases and repaid over 36 to 48 months, depending on the location of the equipment financed. Borrowings bear interest at the Banks prime rate (5.25% at March 31, 2008)
plus 0.75%. On September 30, 2006, our draw-down period under the Equipment Advances expired.

The Bank Agreement contains standard
affirmative and negative covenants and restrictions on actions by us including, but not limited to, activity related to common stock repurchases, liens, investments, indebtedness, and fundamental changes in, or dispositions of, our assets. We may
take certain of these actions with the consent of the Bank.

On February 22, 2008, we executed an amendment to the Bank Agreement.
Pursuant to the amendment, in exchange for the Banks consent to the private placement of our 2008 Notes and warrants, we agreed to expand the scope of the security interest under the loan and security agreement to include substantially all of
our assets excluding our intellectual property. In return, the Bank modified our minimum cash covenant to reduce the required minimum liquidity from $25 million to an amount equal to 150% of the total amount of our obligations to the Bank under the
Bank Agreement.

At March 31, 2008, there was approximately $1.9 million in outstanding borrowings under the Equipment Advances and a
letter of credit for approximately $4.7 million under the Letter of Credit Sublimit, as required under our facilities leases. As of May 2008, as further discussed below we have been required to increase this letter of credit to approximately $10
million and have cash secured this obligation with the Bank.

As of March 31, 2008, we were in compliance with all debt covenants
under our various financing agreements.

Letter of Credit

Pursuant to our facilities leases for our office and laboratory space in San Diego, we are required to maintain a letter of credit on behalf of our
landlord in lieu of a cash deposit. The total amount required under the letter of credit is based on minimum required working capital and market capitalization, as follows:



|                           |  |     |  |                        |  |                              
|-------------------------- |  | --- |  | ---------------------- |  | -----------------------------
|Working Capital            |  |     |  | Market Capitalization  |  | Required Letter of Credit    
|Greater than $75 million   |  |     |  | N/A                    |  | $100,000                     
|$50 million to $75 million |  | or  |  | $350 million           |  | $100,000 plus 12 months rent
|Less than $50 million      |  | and |  | Less than $350 million |  | $100,000 plus 24 months rent

As of March 31, 2008, we had an unsecured letter of credit in place pursuant to this
agreement for approximately $4.7 million, representing the $100,000 minimum and approximately 12 months current rent. The letter of credit is issued under our existing Bank Agreement as described above. Any increases to our letter of credit
resulting from increases in rent or changes in our working capital or market capitalization are effective upon notice to us by our landlord. As of March 31, 2008, our working capital was approximately $11 million and our market capitalization
was approximately $224 million. Based on this, and pursuant to our lease agreement, in May 2008 we received notice by our landlord that we are required to increase our letter of credit to approximately $10 million. We are required by the Bank to
secure this obligation with cash, which will be reflected as restricted cash on our consolidated balance sheet in subsequent reporting periods.

Off-Balance Sheet Arrangements

Except as described above, we do not have any off-balance sheet arrangements that would give
rise to additional material contractual obligations as of March 31, 2008.



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Critical Accounting Policies

Our discussion and analysis of our financial condition and results of operations is based upon our condensed consolidated financial statements, which have been prepared in accordance with U.S. generally accepted
accounting principles. The preparation of these condensed consolidated financial statements requires management to make estimates and judgments that affect the reported amounts of assets, liabilities, revenue and expenses, and related disclosures.
On an ongoing basis, we evaluate these estimates, including those related to revenue recognition, long-lived assets, accrued liabilities, and income taxes. These estimates are based on historical experience, information received from third parties,
and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other
sources. Actual results may differ from these estimates under different assumptions or conditions.

We believe the following critical
accounting policies affect the significant judgments and estimates used in the preparation of our condensed consolidated financial statements.

Goodwill

We record goodwill and other intangible assets in accordance with SFAS No. 142, Goodwill and
Other Intangible Assets. The purchase method of accounting for acquisitions requires extensive use of accounting estimates and judgments to allocate the purchase price to the fair value of the net tangible and intangible assets acquired.
Goodwill and intangible assets deemed to have indefinite lives are not amortized, but are subject to at least annual impairment tests.

SFAS No. 142 requires that goodwill and certain intangible assets be assessed for impairment using fair value measurement techniques. If the carrying amount of a reporting unit exceeds its fair value, then a goodwill impairment test is
performed to measure the amount of the impairment loss, if any. The goodwill impairment test compares the implied fair value of the reporting units goodwill with the carrying amount of that goodwill. The implied fair value of goodwill is
determined in the same manner as in a business combination. Determining the fair value of the implied goodwill is judgmental in nature and often involves the use of significant estimates and assumptions. These estimates and assumptions could have a
significant impact on whether or not an impairment charge is recognized and also the magnitude of any such charge. Estimates of fair value are primarily determined using discounted cash flows and market comparisons. These approaches use significant
estimates and assumptions, including projection and timing of future cash flows, discount rates reflecting the risk inherent in future cash flows, perpetual growth rates, determination of appropriate market comparables, and determination of whether
a premium or discount should be applied to comparables. It is reasonably possible that the plans and estimates used to value these assets may be incorrect. If our actual results, or the plans and estimates used in future impairment analyses, are
lower than the original estimates used to assess the recoverability of these assets, we could incur additional impairment charges. As of March 31, 2008, we had $106.1 million of goodwill.

We assess goodwill for potential impairments on at least an annual basis. We perform this analysis on October 1 of each year. If goodwill is deemed
impaired, losses could be recorded in future periods.

Revenue Recognition

We follow the provisions as set forth by current accounting rules, which primarily include the Securities and Exchange Commissions Staff Accounting
Bulletin, or SAB, No. 104, Revenue Recognition.

We generally recognize revenue when we have satisfied all
contractual obligations and we are reasonably assured of collecting the resulting receivable. We are often entitled to bill our customers and receive payment from our customers in advance of recognizing the revenue under current accounting rules. In
those instances where we have billed our customers or received payment from our customers in advance of recognizing revenue, we include the amounts in deferred revenue on the balance sheet.

We generate revenue from research collaborations generally through funded research, up-front fees to initiate research projects, fees for exclusivity in
a field, and milestones. We recognize revenue from research funding on a proportional performance basis, as research hours are incurred under each agreement. We recognize fees to initiate research over the life of the project. We
recognize revenue from exclusivity fees over the period of exclusivity. Our collaborations often include contractual milestones. When we achieve these milestones, we are entitled to payment, as defined by the underlying agreements. We recognize
revenue for milestone payments when earned, as evidenced by written acknowledgement from the collaborator, provided that (i) the milestone event is substantive and its achievability was not reasonably assured at the inception of the agreement,
(ii) the milestone represents the culmination of an earnings process, (iii) the milestone payment is non-refundable and (iv) our past research and development services, as well as our ongoing commitment to provide research and
development services under the collaboration, are charged at fees that are comparable to the fees that the we customarily charges for similar research and development services.

We recognize revenue from grants as related costs are incurred, as long as such costs are within the funding limits specified by the underlying grant
agreements.



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We recognize revenue related to the sale of our inventory as we ship or deliver products, provided all
other revenue recognition criteria have been met. We recognize revenue from products sold through distributors or other third-party arrangements upon shipment of the products, if the distributor has a right of return, provided that (a) the
price is substantially fixed and determinable at the time of sale; (b) the distributors obligation to pay us is not contingent upon resale of the products; (c) title and risk of loss passes to the distributor at time of shipment;
(d) the distributor has economic substance apart from that provided by us; (e) we have no significant obligation to the distributor to bring about resale of the products; and (f) future returns can be reasonably estimated. For any
sales that do not meet all of the above criteria, revenue is deferred until all such criteria have been met. We include our profit-sharing revenues in product revenues on the statement of operations. We recognize profit-sharing revenues during the
quarter in which such profit sharing revenues are earned based on calculations provided by our profit-sharing partner. To date, we have generated a substantial portion of our product revenues, including profit-sharing revenues, through our
agreements with Danisco.

We sometimes enter into revenue arrangements that include the delivery of more than one product or service. In
these cases, we recognize revenue from each element of the arrangement as long as we are able to determine a separate value for each element, we have completed our obligation to deliver or perform on that element and we are reasonably assured of
collecting the resulting receivable.

Share-based Compensation

Effective January 1, 2006, we calculate the fair value of all share-based payments to employees and non-employee directors, including grants of stock
options, non-restricted and restricted shares, and awards issued under the employee stock purchase plan, and amortize these fair values to share-based compensation in the income statement over the respective vesting periods of the underlying awards.

Share-based compensation related to stock options includes both the amortization of the fair value of options at the date of grant
determined using Black-Scholes Merton (BSM) valuation model. We amortize the fair value of options to expense over the vesting periods of the underlying options.

Share-based compensation related to awards issued under the employee stock purchase plan (ESPP) after December 31, 2005 are based on
calculations of fair value under the BSM valuation model which are similar to how stock option valuations are made. We amortize the fair value of ESPP awards to expense over the vesting periods of the underlying awards.

We estimate the fair value of stock option awards and awards under the ESPP on the date of grant using assumptions about volatility, expected life of the
awards, risk-free interest rate, and dividend yield rate. The expected volatility in this model is based on the historical volatility of our common stock. The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time
awards are granted, based on maturities which approximate the expected life of the options. The expected life of the options granted is estimated using the historical exercise behavior of employees. The expected dividend rate takes into account the
absence of any historical payments and managements intention to retain all earnings for future operations and expansion.

We estimate
the fair value of non-restricted and restricted stock awards based upon the closing market price of our common stock at the date of grant. We charge the fair value of non-restricted awards to share-based compensation upon grant. We amortize the fair
value of restricted awards to share-based compensation expense over the vesting period of the underlying awards.

Convertible Debt and
Derivative Accounting

We perform an assessment of all embedded features of a debt instrument to determine if 1) such features should be
bifurcated and separately accounted for, and, 2) if bifurcation requirements are met, whether such features should be classified and accounted for as equity or liability. Under equity accounting, the fair value of the embedded feature is measured
initially and included in stockholders equity, and remeasurement is not required. Under liability accounting, the fair value of the embedded feature is measured initially, included as a liability on the balance sheet, and remeasured each
reporting period. Any changes in fair value are recorded in the statement of operations. We monitor, on an on ongoing basis, whether events or circumstances could give rise to a change in our classification of embedded features.



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Long-Lived Assets

We review long-lived assets, including leasehold improvements, property and equipment, and acquired intangible assets for impairment whenever events or changes in business circumstances indicate that the carrying
amount of the assets may not be fully recoverable. This requires us to estimate future cash flows related to these assets. Actual results could differ from those estimates, which may affect the carrying amount of assets and the related amortization
expense.

Income Taxes

Effective in 2007, we account for income taxes pursuant FASB issued Interpretation No. 48,Accounting for Uncertainty in Income TaxesAn Interpretation of FASB Statement No. 109,or FIN 48. FIN 48 prescribes a
recognition threshold and measurement attributes for financial statement disclosure of tax positions taken or expected to be taken on our tax return. Under FIN 48, we do not recognize an uncertain tax position as a deferred tax asset if it has
less than a 50% likelihood of being sustained.

We adopted the provisions of FIN 48 on January 1, 2007, and commenced analyzing filing
positions in all of the federal and state jurisdictions where we are required to file income tax returns, as well as all open tax years in these jurisdictions. As a result of adoption, we have recorded no additional tax liability. As of
March 31, 2008 we have not yet completed our analysis of our deferred tax assets for net operating losses of $91.9 million and research and development credits of $2.7 million generated in years prior to 2007 and net operating losses of $27.6
million and research and development credits of $0.2 generated in 2007. As such, we have removed these amounts and the offsetting valuation allowance has been removed from our deferred tax assets. We are in the process of completing a
Section 382 analysis regarding the limitation of the net operating loss and research and development credits.

We record a valuation
allowance to reduce our deferred tax assets to the amount that is more likely than not to be realized. While we have considered future taxable income and ongoing tax planning strategies in assessing the need for the valuation allowance, in the event
we were to determine that we would be able to realize our deferred tax assets in the future in excess of their net recorded amounts, an adjustment to the deferred tax assets would increase our income in the period such determination was made.
Likewise, should we determine that we would not be able to realize all or part of our net deferred tax assets in the future, an adjustment to the deferred tax assets would be charged to income in the period such determination was made. As of
December 31, 2007, we had $36.9 million in gross deferred tax assets, excluding any estimated deferred tax assets related to our NOLs and R&D credits. Our deferred tax assets at December 31, 2007 were fully offset by a valuation
allowance.

Inventories

We value inventory at the lower of cost (first in, first out) or market value and, if necessary, reduce the value by an estimated allowance for excess and obsolete inventories. The determination of the need for an allowance is based on our
review of inventories on hand compared to estimated future usage and sales, as well as, judgments, quality control testing data, and assumptions about the likelihood of obsolescence.

Capitalized Interest

We capitalize
interest on capital projects, namely our cellulosic ethanol demonstration facility, commencing with the first expenditure for the project and continuing until the project is substantially complete and ready for its intended use. We amortize the
capitalized interest to depreciation expense using the straight-line method over the same lives as the related assets.



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|ITEM 3. | QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.
|------- | -----------------------------------------------------------

Our exposure to market risk is limited to interest rate risk and, to a lesser extent, foreign currency risk.

Interest Rate Exposure

Our investment portfolio consists primarily of high-grade commercial paper, certificates of deposit and debt obligations of various
governmental agencies. We manage our investment portfolio in accordance with our investment policy. The primary objectives of our investment policy are to preserve principal, maintain a high degree of liquidity to meet operating needs and obtain
competitive returns subject to prevailing market conditions. These investments are subject to risk of default, changes in credit rating and changes in market value. These investments are also subject to interest rate risk and will decrease in value
if market interest rates increase. Due to the conservative nature of our investments and relatively short effective maturities of the debt instruments, we believe interest rate risk is mitigated. Our investment policy specifies the credit quality
standards for our investments and limits the amount of exposure from any single issue, issuer or type of investment.

As of March 31,
2008, we had outstanding debt obligations at face value of $171.6 million, including $101.5 million of 5.5% convertible senior notes and $70.1 million of 8% convertible senior notes. As of March 31, 2008, the fair value of our 5.5%
convertible senior notes was approximately $50.8 million and the fair value of our 8% convertible senior notes was approximately $70.9 million

Foreign
Currency Exposure

We engage third parties, including Fermic, our contract manufacturing partner in Mexico City, to provide various
services. From time to time certain of these services result in obligations that are denominated in other than U.S. dollars. Foreign currency risk is minimized because the amount of such obligations is not material.



|ITEM 4. | CONTROLS AND PROCEDURES.
|------- | ------------------------

Disclosure Controls and
Procedures

We maintain disclosure controls and procedures that are designed to ensure that information required to be disclosed in our
Exchange Act reports is recorded, processed, summarized and reported within the timelines specified in the SECs rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer
and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

Under the supervision and with the
participation of our management, including our Chief Executive Officer and our Chief Financial Officer, we carried out an evaluation of the effectiveness of our disclosure controls and procedures (as such term is defined in SEC Rules 13a-15(e) and
15d-15(e)) as of March 31, 2008. Based on such evaluation, such officers have concluded that, as of March 31, 2008, our disclosure controls and procedures were not effective because of the identification of a material weakness in our
internal control over financial reporting as described below.

Evaluation of Disclosure Controls and Procedures

As required by Rule 13a-15(b) under the Securities Exchange Act of 1934, as amended, we conducted an evaluation under the supervision and with
the participation of our management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of our disclosure controls and procedures as of the end of the period covered by this Report. Based on that evaluation, and
due to consideration of the material weakness in our internal control over financial reporting discussed below, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures remain ineffective as of
March 31, 2008.

Upon completion of our merger with Celunol in June 2007 and our subsequent integration efforts, we consolidated the
accounting and financial reporting process into our San Diego office and made various personnel changes. This integration effort and resulting staffing changes were in process at December 31, 2007 and during our year end close
process. This incomplete transitioning resulted in a material weakness in our internal control at December 31, 2007 relating to inadequate management oversight of the financial statement close process and an insufficient number of staff
accountants with a sufficient level of knowledge, as described in Item 9A of our Annual Report on Form 10-K for the fiscal year ended December 31, 2007.



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As a result of the material weakness in our internal control over financial reporting, during the first
quarter of 2008 we have implemented the following changes relating to inadequate management oversight of the financial close process and insufficient qualified personnel needed to apply the Companys accounting policies in accordance with U.S.
GAAP. These changes have improved the effectiveness of our internal control over financial reporting. We began implementing these changes during the first quarter of fiscal 2008 and will continue our efforts to remediate the aforementioned
material weakness through the second quarter of fiscal 2008. In particular, management has implemented the following:



| |  |  | Hired additional temporary and permanent accounting and finance personnel, including key leadership roles which include the following:
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Corporate Controller (permanent employee beginning January 7, 2008);
| | - |  | --------------------------------------------------------------------



| |  |  | Accounting Manager (permanent employee beginning April 7, 2008);
| | - |  | ----------------------------------------------------------------



| |  |  | Accounts Payable Specialist (permanent employee beginning March 24, 2008); and
| | - |  | ------------------------------------------------------------------------------



| |  |  | General Ledger Accountant (temporary employee beginning March 28, 2008).
| | - |  | ------------------------------------------------------------------------



| |  |  | Reallocated responsibilities within the finance organization to properly address financial reporting and technical accounting matters, including outsourcing
non-standard technical accounting evaluations that are non-recurring or require specialized expertise;
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Conducted training and improved processes associated with journal entry postings and full month-end close processes; and
| | - |  | ------------------------------------------------------------------------------------------------------------------------



| |  |  | Increased the level of management oversight and review over day-to-day transaction accounting and month-end close processes.
| | - |  | ----------------------------------------------------------------------------------------------------------------------------

Other than the changes discussed above, there were no changes in our internal controls over financial reporting (as defined in
Rule 13a-15(f) of the Exchange Act) that occurred during our most recent fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal controls over financial reporting.

Management believes that we have made substantial progress towards remediating the material weakness in our internal control over financial reporting.
However, the material weakness identified for year ended December 31, 2007 still exists as of March 31, 2008. As disclosed in our Report on Form 10-K for the fiscal year ended December 31, 2007, we expect to have the material
weakness fully remediated by June 30, 2008.

In light of the material weakness in our internal control over financial reporting as of
March 31, 2008, the Company performed additional analyses and other post-closing procedures in an effort to ensure that our Condensed Consolidated Financial Statements included in this Quarterly Report on Form 10-Q, as of and for the
quarter ended March 31, 2008, have been prepared in accordance with U.S. GAAP. We will continue to perform additional analyses and other post-closing procedures to mitigate the risk of potential material misstatements of the Companys
financial statements in future periods as necessary.

All internal control systems, no matter how well designed, have inherent limitations.
Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial statement preparation and presentation. Management continues to improve the design and effectiveness of our disclosure controls
and procedures and internal control over financial reporting and intends to complete the remediation of this material weakness as soon as possible and to timely address any other deficiencies that we may identify in the future.

PART IIOTHER INFORMATION



|ITEM 1. | LEGAL PROCEEDINGS.
|------- | ------------------

Class Action Shareholder Lawsuit

In June 2004, the Company executed a formal settlement agreement with the plaintiffs in a class action lawsuit filed in December 2002 in a U.S. federal
district court (the Court). This lawsuit is part of a series of related lawsuits in which similar complaints were filed by plaintiffs against hundreds of other public companies that conducted an Initial Public Offering (IPO)
of their common stock in 2000 and the late 1990s (the IPO Cases). On February 15, 2005, the Court issued a decision certifying a class action for settlement purposes and granting preliminary approval of the settlement subject to
modification of certain bar orders contemplated by the settlement. On August 31, 2005, the Court reaffirmed class certification and preliminary approval of the modified settlement in a comprehensive Order. On February 24, 2006, the Court



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dismissed litigation filed against certain underwriters in connection with the claims to be assigned to the Plaintiffs under the settlement. On
April 24, 2006, the Court held a Final Fairness Hearing to determine whether to grant final approval of the settlement. On December 5, 2006, the Second Circuit Court of Appeals vacated the lower Courts earlier decision certifying as
class actions the six IPO Cases designated as focus cases. The Company is not one of the six focus cases. Thereafter, the District Court ordered a stay of all proceedings in all of the IPO Cases pending the outcome of plaintiffs
petition to the Second Circuit for rehearing en banc and resolution of the class certification issue. On April 6, 2007, the Second Circuit denied plaintiffs rehearing petition, but clarified that the plaintiffs may seek to certify a more
limited class in the District Court. Accordingly, the settlement as originally negotiated will not be finally approved. On or about August 14, 2007, Plaintiffs filed amended complaints in the six focus cases, and thereafter moved for
certification of the classes and appointment of lead plaintiffs and lead counsel in those cases. In September 2007, the Companys named officers and directors again extended the tolling agreement with plaintiffs. The six focus case issuers
filed motions to dismiss the claims against them in November 2007 and an opposition to plaintiffs motion for class certification in December 2007. The Court denied the motions to dismiss on March 16, 2008. The focus case defendants have
until June 13, 2008 in which to answer the complaints.

The Company is covered by a claims-made liability insurance policy which it
believes will satisfy any potential liability of the Company under this settlement. Due to the inherent uncertainties of litigation and assignment of claims against the underwriters, and because the settlement has not yet been finally approved by
the Court, the ultimate outcome of this matter cannot be predicted. In accordance with SFAS No. 5, Accounting for Contingencies the Company believes any contingent liability related to this claim is not probable or
estimable and therefore no amounts have been accrued in regards to this matter.

Valley Research, inc.

The Company recently settled its previously disclosed litigation with Valley Research, inc. (VRi). On May 5, 2008, the Company entered
into a confidential settlement agreement with VRi pursuant to which the parties will dismiss all claims against one another with prejudice. The parties settled the litigation without admission of liability and without any acknowledgment or admission
that the respective positions of the parties were correct. During the three months ended March 31, 2008, the Company incurred a charge of $125,000 related to this litigation, representing the difference between the settlement amount and what
had been previously reserved in connection with the matter.

Patent Interference Proceeding

In February 2007, an interference proceeding was declared in the U.S. Patent and Trademark Office between a U.S. patent assigned to the Company and a
pending U.S. patent application owned by Maxygen, with allowable claims directed to the Companys trademarked GeneReassembly technology. On February 25, 2008 the Board of Patent Appeals and Interferences ruled in favor of Maxygen and the
claims in the Companys issued patent were cancelled. The Company does not believe that this ruling will have a material impact on its consolidated financial position, results of operations, or cash flows.

The Company is also, from time to time, subject to legal proceedings and claims which arise in the normal course of business. In managements
opinion, the amount of ultimate liability with respect to these actions will not have a material adverse effect on the Companys consolidated financial position, results of operations, or cash flows.



|ITEM 1A. | RISK FACTORS
|-------- | ------------

Except for the historical
information contained herein, this quarterly report on Form 10-Q contains forward-looking statements that involve risks and uncertainties. Our actual results may differ materially from those discussed here. Factors that could cause or contribute to
differences in our actual results include those discussed in the following section, as well as those discussed in Part I, Item 2 entitled Managements Discussion and Analysis of Financial Condition and Results of Operations and
elsewhere throughout this quarterly report on Form 10-Q and the Companys annual report on Form 10-K. You should consider carefully the following risk factors, together with all of the other information included in this quarterly report on Form
10-Q. Each of these risk factors could adversely affect our business, operating results, and financial condition, as well as adversely affect the value of an investment in our common stock.

We have marked with an asterisk those risk factors that reflect substantive changes from the risk factors previously discussed in our Form 10-K for
the year ended December 31, 2007.



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Risks Applicable to Our Business Generally

We should be viewed as an early stage company with new and unproven technologies.

You must evaluate our business in light of the uncertainties and complexities affecting an early
stage biotechnology company or cellulosic ethanol manufacturing company. Our existing proprietary technologies are new and in the early stage of development for both biofuels and specialty enzymes. We may not be successful in the commercial
development of these or any further technologies, products or processes. Successful products and processes require significant development and investment, including testing, to demonstrate their cost- effectiveness prior to regulatory approval and
commercialization. To date, we have commercialized nine of our own products, all in the specialty enzymes area, Fuelzyme-LF enzyme, Pyrolase 160 enzyme, Pyrolase 200 enzyme, Cottonase enzyme, Luminase PB-100 enzyme,
Luminase PB-200 enzyme, Bayovac® SRS, and blue and green fluorescent proteins. In addition, four of our collaborative partners, Invitrogen Corporation, Danisco Animal Nutrition,
Givaudan Flavors Corporation, and Syngenta Animal Nutrition (formerly known as Zymetrics, Inc.), have incorporated our technologies or inventions into their own commercial products from which we have generated and/or can generate royalties. We have
not yet commercialized any products or processes in our integrated strategy within biofuels. Our specialty enzyme products and technologies have generated only modest revenues to date. Because of these uncertainties, our discovery process may not
result in the identification of product candidates or biofuels production processes that we or our collaborative partners will successfully commercialize. If we are not able to use our technologies to discover new materials, products, or processes
with significant commercial potential, or if we are unable to sell our cellulosic ethanol or an integrated solution for the production of cellulosic ethanol, we could have significant losses in the future due to ongoing expenses for research,
development and commercialization efforts and we may be unable to obtain additional funding in connection with such efforts.

We have a history of net
losses, we expect to continue to incur net losses, and we may not achieve or maintain profitability.

We have incurred net losses since
our inception, including a net loss of approximately $23.3 million for the three months ended March 31, 2008. As of March 31, 2008, we had an accumulated deficit of approximately $460.4 million. Through June 20, 2007, the date of the
closing of our merger with Celunol Corp., our losses were attributable to our specialty enzymes business. We expect to continue to incur additional losses for the foreseeable future in our specialty enzymes business as we continue to develop
specialty enzyme products, and as a result of our continued investment in our sales and marketing infrastructure to support anticipated growth in product sales. Beginning with the closing of our merger with Celunol Corp. on June 20, 2007, we
began to incur additional losses as we pursue our vertical integration strategy within biofuels.

To date, a significant portion of our
revenue has been derived from collaborations and grants related to our specialty enzymes business, and we expect that a significant portion of our revenue for 2008 will result from the same sources. Future revenue from collaborations is uncertain
and will depend upon our ability to maintain our current collaborations, enter into new collaborations and to meet research, development, and commercialization objectives under new and existing agreements. As product revenue increases, we expect
sales and marketing expenses to increase in support of increased volume. Additionally, as our business model develops, we expect other selling, general and administrative expenses to increase based on broadening our infrastructure to support
continued growth in the business. In addition, the amounts we spend will impact our ability to become profitable and this will depend, in part, on:



| |  |  | the progress of our research and development programs for the production of ethanol from various sources of cellulosic biomass;
| | - |  | -------------------------------------------------------------------------------------------------------------------------------



| |  |  | the cost of building, operating and maintaining research and production facilities;
| | - |  | -----------------------------------------------------------------------------------



| |  |  | the number of production facilities that we ultimately attempt to develop;
| | - |  | --------------------------------------------------------------------------



| |  |  | the time and expense required to prosecute, enforce and/or challenge patent and other intellectual property rights;
| | - |  | -------------------------------------------------------------------------------------------------------------------



| |  |  | how competing technological and market developments affect our proposed activities; and
| | - |  | ---------------------------------------------------------------------------------------



| |  |  | the cost of obtaining licenses required to use technology owned by others for proprietary products and otherwise.
| | - |  | -----------------------------------------------------------------------------------------------------------------

We may not achieve any or all of our goals and, thus, we cannot provide assurances that we will ever be profitable or achieve significant revenues. If we
fail to achieve profitability or significant revenues, the market price of our common stock will likely decrease.

Even if we generate
significant additional revenue in our specialty enzymes business, we do not expect to achieve overall profitability for the foreseeable future, as we make additional investments to implement our vertical integration strategy within biofuels. In
order for us to generate revenue, we must not only retain our existing collaborations and/or attract new ones and achieve milestones under them, but we must also develop products or technologies that we or our partners choose to commercialize and
that are commercially successful and from which we can derive revenue through sales or royalties. Even if we do achieve profitability, we may not be able to sustain or increase profitability on a quarterly or annual basis.



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We continue to experience losses from operations, and we may not be able to fund our operations and continue as a
going concern.

The report of our independent registered public accounting firm for the fiscal year ended December 31, 2007,
contains an explanatory paragraph which states that we have incurred recurring losses from operations and, based on our operating plan and existing working capital, this raises substantial doubt about our ability to continue as a going concern. We
incurred net losses of $23.3 for the three months ended March 31, 2008 and $89.7 million, $39.3 million, and $107.6 million for the years ended December 31, 2005, 2006 and 2007, and have an accumulated deficit of $460.4 million as of
March 31, 2008.

We have used a significant portion of the proceeds received from sales of our 2007 Notes in April 2007 to make
enhancements to our pilot facility and continue construction and development of our demonstration-scale facility in Jennings, Louisiana, to commercialize our specialty enzymes products, to continue our research and development efforts in both
specialty enzymes and biofuels, and for expenses related to our merger with Celunol, all of which have adversely affected, and will continue to adversely affect, our operating results until revenues from our specialty enzymes business and our
biofuels business reach levels at which we can fully support our operating and capital expenditures.

We did not generate cash flows from
operating activities during 2007 sufficient to offset our operating and capital expenditures. Based on the information currently available regarding our proposed plans and assumptions relating to operations, we anticipate that the net proceeds from
our sale of the 2008 Notes, together with our budgeted cash flow from operations, will not be sufficient to meet cash requirements for working capital and capital expenditures beyond December 2008 without additional sources of cash. As a result, it
will be necessary for us to reduce or defer certain planned expenditures, to secure additional sources of revenue and/or to secure additional financing to support our planned operations. At this time, we plan to generate additional sources of cash
from a combination of corporate partnerships and collaborations, federal and state grant funding, incremental product sales, selling or financing assets, and, if necessary and available, the sale of equity or debt securities. If such sources of
additional cash are not sufficient to cover our budgeted cash requirements, or if they do not materialize at all, we plan to reduce or defer certain budgeted expenditures and may be required to divest all or a part of our business. There can be no
assurance that we will be able to obtain any additional sources of revenue, corporate partnerships, federal and state grant funding or other financing on acceptable terms, or at all.

If we are not able to reduce or defer our expenditures, secure additional sources of revenue or otherwise secure additional funding, we will be unable to
continue as a going concern, and we may be forced to restructure or significantly curtail our operations, file for bankruptcy or cease operations.

We
will need additional capital in the future. If additional capital is not available, we may have to curtail or cease operations.

We will
need to raise more money to continue to fund our business in 2009 and beyond. Our capital requirements will depend on several factors, including:



| |  |  | expenditures and investments to implement our biofuels business strategy, including increased capital expenditures in relation to such strategy, for example, to
build pilot, demonstration, and commercial-scale facilities;
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | the level of research and development investment required to maintain our technology leadership position;
| | - |  | ---------------------------------------------------------------------------------------------------------



| |  |  | our ability to enter into new agreements with collaborative partners or to extend the terms of our existing collaborative agreements, and the terms of any agreement
of this type;
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | the success rate of our discovery efforts associated with milestones and royalties;
| | - |  | -----------------------------------------------------------------------------------



| |  |  | our ability to successfully commercialize products developed independently and the demand for such products;
| | - |  | ------------------------------------------------------------------------------------------------------------



| |  |  | the timing and willingness of strategic partners and collaborators to commercialize our products that would result in royalties;
| | - |  | --------------------------------------------------------------------------------------------------------------------------------



| |  |  | costs of recruiting and retaining qualified personnel; and
| | - |  | ----------------------------------------------------------



| |  |  | our possible acquisition or licensing of complementary technologies or acquisition of complementary businesses.
| | - |  | ---------------------------------------------------------------------------------------------------------------

We may seek additional funds through public and private securities offerings, arrangements with corporate partners, borrowings under lease lines of
credit or other sources. In addition, we expect to attempt to raise funds in the non-recourse, project-finance capital markets to finance growth of our project portfolio. Such funds may not be available to us or may be available on terms not
satisfactory to us. We will also pursue federal, state and local financial incentives such as loan



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guarantee programs and grants as appropriate. We currently have applications pending for a number of such programs; however, such funds may not be available
to us in adequate amounts, if at all. Our inability to raise adequate funds to support the growth of our project portfolio will materially adversely affect our business.

If we can not raise more money, we will have to implement one or more of the following remedies:



| |  |  | reduce our capital expenditures,
| | - |  | --------------------------------



| |  |  | scale back our development of new enzyme products,
| | - |  | --------------------------------------------------



| |  |  | scale back our efforts to commercialize cellulosic ethanol,
| | - |  | -----------------------------------------------------------



| |  |  | significantly reduce our workforce,
| | - |  | -----------------------------------



| |  |  | sell some or all of our assets,
| | - |  | -------------------------------



| |  |  | seek to license to others products or technologies that we otherwise would seek to commercialize ourselves, and/or
| | - |  | ------------------------------------------------------------------------------------------------------------------



| |  |  | curtail or cease operations
| | - |  | ---------------------------

We recently sold
$120 million of our 2007 Notes and may not have the ability to raise the funds to pay interest on the Notes or to purchase the Notes on required purchase dates or upon a fundamental change.

In April 2007, we completed the sale of $120 million of 2007 Notes, the terms of which include provisions whereby on each of April 1,
2012, April 1, 2017 and April 1, 2022, holders of the Notes may require us to purchase, for cash, all or a portion of their 2007 Notes at 100% of their principal amount, plus any accrued and unpaid interest to, but excluding, that
date. If a fundamental change, which is defined in the indenture related to the 2007 Notes, occurs, holders of the 2007 Notes may require us to repurchase, for cash, all or a portion of their 2007 Notes. We may not have sufficient funds
to pay the interest, purchase price or repurchase price of the 2007 Notes when due. In addition, the terms of any borrowing agreements which we may enter into from time to time may require early repayment of borrowings under circumstances similar to
those constituting a fundamental change. Those agreements may also make our repurchase of 2007 Notes an event of default under the agreements. If we fail to pay interest on the 2007 Notes or to purchase or repurchase the 2007 Notes when
required, we will be in default under the indenture for the 2007 Notes.

We recently sold $71 million of our 2008 Notes. We may not have the ability to
issue shares or pay cash to settle obligations due under the 2008 Notes or to purchase the 2008 Notes on required purchase dates or upon a fundamental change.

In February 2008, we completed a private placement of $71 million of 2008 Notes and warrants to purchase our common stock. The terms of the 2008 Notes may obligate us to issue a number of shares of our common stock
that is in excess of 19.9% of our total outstanding shares as of February 22, 2008. The issuance of any such shares requires the prior approval of our stockholders. We intend to seek such approval at our 2008 Annual Meeting of Stockholders. In
the event that we do not receive shareholder approval for issuances of shares beyond 19.9% of the number of our issued and outstanding shares as of February 22, 2008, any required share issuances under the 2008 Notes and warrants in excess of
that amount will be required to be settled in cash in an amount per share equal to the closing sales price of our common stock on the conversion date. We may not have sufficient funds to pay these obligations when due.

We also may not have sufficient funds to pay the interest, purchase price or repurchase price of the 2008 Notes when due. In addition, the terms of any
borrowing agreements which we may enter into from time to time may require early repayment of borrowings under circumstances similar to those constituting a fundamental change under the terms of the 2008 Notes. Those agreements may also
make our repurchase of 2008 Notes an event of default under the agreements. If we fail to pay interest on the 2008 Notes or to purchase or repurchase the 2008 Notes when required, we will be in default under the 2008 Notes.

Conversion of the 2007 Notes, 2008 Notes, and exercise of related warrants and issuance of shares of common stock in payment of interests on the 2008 Notes will
dilute the ownership interest of existing stockholders.

The conversion or exercise of some or all of the 2007 Notes, 2008 Notes and
related warrants, respectively, and the issuance of shares of common stock in payment of interests on the 2008 Notes, could significantly dilute the ownership interests of existing stockholders. Any sales in the public market of the common stock
issuable upon such conversion or exercise could adversely affect prevailing market prices of our common stock. In addition, the existence of the 2007 Notes and 2008 Notes may encourage short selling by market participants because the conversion of
the 2007 Notes and 2008 Notes could be used to satisfy short positions, or the anticipated conversion of the 2007 Notes or 2008 Notes into shares of our common stock could depress the price of our common stock.



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The conversion price on our 2007 Notes re-set to $6.40 per share on April 1, 2008, which could result in future
additional dilution to existing shareholders, if and when the 2007 Notes are converted for common stock.

Our 2007 Notes were
convertible at the option of the holders at any time prior to maturity, redemption or repurchase into shares of our common stock at an initial conversion rate of 122.5490 shares per $1,000 principal amount of 2007 Notes (subject to adjustment in
certain circumstances), which represented an initial conversion price of $8.16 per share. The conversion rate of the 2007 Notes was increased because the average price of our common stock for a period ending on April 1, 2008 was less than
$6.40. This reduction in the conversion price of the 2007 Notes could significantly dilute the ownership interests of our existing stockholders.

Our
increased leverage as a result of our issuance of the 2007 Notes and 2008 Notes may harm our financial condition and results of operations.

The face value of our debt as of March 31, 2008, which includes the 2007 Notes and 2008 Notes, was approximately $174.6 million and represented approximately 68% of our total capitalization as of that date.

Our level of indebtedness could have important consequences on our future operations, including:



| |  |  | making it more difficult for us to meet our payment and other obligations under the 2007 Notes, 2008 Notes and our other outstanding debt;
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | resulting in an event of default if we fail to comply with the financial and other restrictive covenants contained in our debt agreements, which could result in all
of our debt becoming immediately due and payable;
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | reducing the availability of our cash flow to fund working capital, capital expenditures, acquisitions and other general corporate purposes, and limiting our
ability to obtain additional financing for these purposes;
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | limiting our flexibility in planning for, or reacting to, and increasing our vulnerability to, changes in our business, the industries in which we operate and the
general economy; and
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | placing us at a competitive disadvantage compared to our competitors that have less debt or are less leveraged.
| | - |  | ---------------------------------------------------------------------------------------------------------------

*Conversion of the 2008 Notes, and exercise of related warrants and issuance of shares of common stock in payment of interest thereunder will significantly dilute the
ownership interest of existing stockholders.

The conversion or exercise of some or all of the 2008 Notes and related warrants, respectively, and the
issuance of shares of common stock in payment of interest under such notes, could significantly dilute the ownership interests of existing stockholders. In addition, the conversion price of the 2008 Notes is subject to full ratchet anti-dilution
protection and a reset provision, whereby, if the volume weighted average price of our common stock during the 7 trading days prior to the one-year anniversary of the issuance of the notes is less than $3.55 per share, the conversion price will
reset to the greater of $2.13 per share or 115% of the volume weighted average price of the common stock at that time, and the related warrants are subject to weighted-average anti-dilution protection. Any sales in the public market of the common
stock issuable upon such conversion or exercise or as interest shares could adversely affect prevailing market prices of our common stock. Moreover, the existence of the 2008 Notes may encourage short selling by market participants because the
conversion of such notes could be used to satisfy short positions, or the anticipated conversion of such notes into shares of our common stock could depress the price of our common stock.

*The covenants in the 2008 Notes restrict our financial and operational flexibility.

We are subject to certain covenants under the 2008 Notes that restrict our financial and operational flexibility. For example, we are restricted from incurring additional indebtedness (other than certain project
financing debt and up to $15 million principal amount of additional indebtedness, subject to increase in certain circumstances based on the closing sale price of our common stock) . In addition, if we sell, transfer or dispose of any part of our
specialty enzymes business unit (other than sales or licenses in the ordinary course of business and other than any sales, dispositions or other transfers, in one or a series of related transactions, providing for gross proceeds of $1 million or
less), we are required to deposit cash in a restricted cash account for the benefit of the holders of the 2008 Notes in an amount equal to the lesser of 50% of the total consideration received for such sale, transfer or disposition and 50% of the
then outstanding principal amount of the 2008 Notes. The obligation to make such a deposit terminates when the closing sale price of our common stock exceeds $7 per share for 30 consecutive trading days, the average daily trading volume for such
period is at least $2 million and all shares issuable upon conversion of the notes are registered for resale pursuant to effective registration statements or freely saleable during such period. As a result of these covenants, our ability to finance
our operations through the incurrence of additional debt or the sale of our specialty enzymes business unit is limited. The 2008 Notes also include a covenant prohibiting us from repaying, redeeming, restructuring or modifying our 2007 Notes. As a
result of this covenant, we will likely be unable to refinance the 2007 Notes without a concurrent refinancing of the 2008 Notes.



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*Our high level of debt limits our ability to fund general corporate requirements, limits our flexibility in
responding to competitive developments and increases our vulnerability to adverse economic and industry conditions.

Our total consolidated long-term
debt as of April 1, 2008, which includes our 2007 Notes, the 2008 Notes and debt under our secured credit facility with Comerica Bank, was approximately $174.6 million and represented approximately 68% of our total capitalization as of that
date.

Our level of indebtedness could have important adverse consequences on our future operations, including:



| |  |  | making it more difficult for us to meet our payment and other obligations under the 2007 Notes, 2008 Notes and our other outstanding debt;
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | reducing the availability of our cash flow to fund working capital, capital expenditures, acquisitions and other general corporate purposes, and limiting our
ability to obtain additional financing for these purposes;
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | limiting our flexibility in planning for, or reacting to, and increasing our vulnerability to, changes in our business, the industries in which we operate and the
general economy; and
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | placing us at a competitive disadvantage compared to our competitors that have less debt or are less leveraged.
| | - |  | ---------------------------------------------------------------------------------------------------------------

Moreover, if we fail to make any required payments under our debt, or otherwise breach the terms of our debt, a substantial potion of our debt could be
subject to acceleration. In such a situation, it is unlikely we would be able to repay the accelerated debt, which would have a material adverse impact on our business and ability to continue to operate as a going concern.

Our 2008 Notes also include a make-whole provision whereby, upon any holders conversion of the notes for common stock, we are obligated
to pay such holder an amount in cash or, subject to the satisfaction of certain conditions, shares of our common stock equal to the interest foregone over the life of the notes based on such conversion, discounted back to the date of conversion
using an agreed-upon discount rate. Were many holders of our 2008 Notes to convert their notes at a time when we were unable to issue shares of common stock for payment of such obligation, our cash resources at that time could be insufficient to
make such payments and satisfy our other liabilities or otherwise might be materially diminished as a result of such conversions, which would also have a material adverse impact on our business and potentially on our ability to continue to operate
as a going concern.

We do not anticipate paying cash dividends, and accordingly, stockholders must rely on stock appreciation for any return on their
investment in us.

We anticipate that we will retain our earnings, if any, for future growth and therefore do not anticipate paying cash
dividends in the future. As a result, only appreciation of the price of our common stock will provide a return to stockholders. Investors seeking cash dividends should not invest in our common stock.

We may encounter difficulties managing our growth, which could adversely affect our results of operations.

Our strategy includes entering into and working on simultaneous projects, frequently across multiple industries, in both our specialty enzymes and
biofuels businesses. This strategy places increased demands on our limited human resources and requires us to substantially expand the capabilities of our administrative and operational resources and to attract, train, manage and retain qualified
management, technicians, scientists and other personnel, especially with respect to our vertical integration strategy within biofuels. Our ability to effectively manage our operations, growth, and various projects requires us to continue to improve
our operational, financial and management controls, reporting systems and procedures and to attract and retain sufficient numbers of talented employees, which we may be unable to do. We may not be able to successfully implement improvements to our
management information and control systems in an efficient or timely manner. In addition, we may discover deficiencies in existing systems and controls.

If we engage in any acquisitions, we will incur a variety of costs, may dilute existing stockholders, and may not be able to successfully integrate acquired businesses.

If appropriate opportunities become available, we may consider acquiring businesses, assets, technologies, or products that we believe are a strategic fit
with our business. As of March 31, 2008, we have no commitments or agreements with respect to any material acquisitions. If we further pursue such a strategy, we could:



| |  |  | issue additional equity securities which would dilute current stockholders percentage ownership;
| | - |  | -------------------------------------------------------------------------------------------------



| |  |  | incur substantial additional debt; or
| | - |  | -------------------------------------



| |  |  | assume additional liabilities.
| | - |  | ------------------------------

We
may not be able to successfully integrate any businesses, assets, products, technologies, or personnel that we might acquire in the future without a significant expenditure of operating, financial, and management resources, if at all. In addition,
future acquisitions might negatively impact our business relations with our current and/or prospective collaborative partners and/or customers. We may also need to write off goodwill associated with any acquisitions we may undertake, including our
2007 merger with Celunol Corp. Any of these adverse consequences could harm our business.



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As of December 31, 2007, we identified a material weakness in internal control over financial reporting. If we
fail to maintain an effective system of internal controls, we may not be able to accurately report our financial results or prevent fraud and as a result, investors may be misled and lose confidence in our financial reporting and disclosures, and
the price of our common stock may be negatively affected.

The Sarbanes-Oxley Act of 2002 requires that we report annually on the
effectiveness of our internal control over financial reporting. A significant deficiency means a deficiency or a combination of deficiencies, in internal control over financial reporting that is less severe than a material weakness yet
important enough to merit attention by those responsible for oversight of the Companys financial reporting. A material weakness is a deficiency, or a combination of deficiencies in internal control over financial reporting, such
that there is a reasonable possibility that a material misstatement of the annual or interim financial statements will not be prevented or detected on a timely basis.

In connection with the assessment of our internal control over financial reporting for the Annual Report on Form 10-K, as further described in Item 9A, we and our independent registered public accounting firm
determined that as of December 31, 2007 our internal controls over financial reporting were ineffective due to a material weakness in the financial statement close process. This material weakness was caused primarily by the following:



| |  |  | inadequate management oversight of the financial statement close process; and
| | - |  | -----------------------------------------------------------------------------



| |  |  | an insufficient number of staff accountants with a sufficient level of knowledge.
| | - |  | ---------------------------------------------------------------------------------

In addition, in the future our continued assessment, or subsequent assessment by our independent registered public accounting firm, may reveal additional
deficiencies in our internal controls, some of which may require disclosure in future reports.

Although we have made and are continuing to
make improvements in our internal controls, if we are unsuccessful in remediating the material weakness in our internal controls over financial reporting, or if we discover other deficiencies or material weaknesses, it may adversely impact our
ability to report accurately and in a timely manner our financial condition and results of operations in the future, which may cause investors to lose confidence in our financial reporting and may negatively affect the price of our common stock.
Moreover, effective internal controls are necessary to produce accurate, reliable financial reports and to prevent fraud. If we continue to have deficiencies in our internal controls over financial reporting, these deficiencies may negatively impact
our business and operations.

Our ability to compete may decline if we do not adequately protect our proprietary technologies or if we lose some of our
intellectual property rights due to becoming involved in expensive lawsuits or administrative proceedings.

Our success depends in part
on our ability to obtain patents and maintain adequate protection of our other intellectual property for our technologies and products in the United States and other countries. In addition, unauthorized parties may attempt to copy or otherwise
obtain and use our products or technology. Monitoring and preventing unauthorized use of our intellectual property is difficult and expensive, and we cannot be certain that the steps we have taken will prevent unauthorized use of our technology,
particularly in foreign countries where the laws may not protect our proprietary rights as fully as in the United States. If competitors are able to use our technology, our ability to compete effectively could be harmed. Although we have adopted a
strategy of seeking patent protection in the United States and in foreign countries with respect to certain of the technologies used in or relating to our products, as well as anticipated production capabilities and processes, others may
independently develop and obtain patents for technologies that are similar to or superior to our technologies. If that happens, we may need to license these technologies and we may not be able to obtain licenses on reasonable terms, if at all, which
could cause great harm to our business.

Our commercial success depends in part on not infringing patents and proprietary rights of third
parties, and not breaching any licenses or other agreements that we have entered into with regard to our technologies, products, and business. The patent positions of companies whose businesses are based on biotechnology, including our patent
position, involve complex legal and factual questions and, therefore, enforceability cannot be predicted with certainty. We intend to apply for patents relating to our technologies, processes and products as we deem appropriate. Patents, if issued,
may be challenged, invalidated, or circumvented. We cannot be sure that patents have not been issued that could block our ability to obtain patents or to operate as we would like. Others may develop similar technologies or duplicate technologies
developed by us. There may be patents in some countries that, if valid, may block our ability to commercialize products in these countries if we are unsuccessful in circumventing or acquiring the rights to these patents. There also may be claims in
published patent applications in some countries that, if granted and valid, may also block our ability to commercialize processes or products in these countries if we are unable to circumvent or license them.



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Our intellectual property rights may be challenged by others. For example, in February 2007, an
interference proceeding was declared in the United States Patent and Trademark Office between a United States patent assigned to us and a pending United States patent application owned by Maxygen, Inc., or Maxygen, with allowable claims directed to
our GeneReassembly technology. On February 25, 2008 the Board of Patent Appeals and Interferences ruled in favor of Maxygen and the claims in our issued patent were cancelled. We are evaluating this ruling to determine whether an appeal might
be appropriate. Other than this interference proceeding, we are not currently a party to any litigation with regard to our patent position. However, the biotechnology industry is characterized by frequent and extensive litigation regarding patents
and other intellectual property rights. Many biotechnology companies have employed intellectual property litigation as a way to gain a competitive advantage. If we became involved in litigation or interference proceedings declared by the United
States Patent and Trademark Office, or oppositions or other intellectual property proceedings outside of the United States, to defend our intellectual property rights or as a result of alleged infringement of the rights of others, we might have to
spend significant amounts of money. Any potential intellectual property litigation also could force us to do one or more of the following:



| |  |  | stop selling, incorporating or using our products that use the challenged intellectual property;
| | - |  | ------------------------------------------------------------------------------------------------



| |  |  | stop production of cellulosic ethanol at our production facilities;
| | - |  | -------------------------------------------------------------------



| |  |  | obtain from the owner of the infringed intellectual property right a license to sell or use the relevant technology, which license may not be available on
reasonable terms, or at all; or
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | redesign those products, facilities or processes that use any allegedly infringing technology, which may result in significant cost or delay to us, or which could
be technically infeasible.
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

We are aware of a significant number of patents and patent applications relating to aspects
of our technologies filed by, and issued to, third parties. We cannot assure you that if we are sued on these patents we would prevail.

Should any third party have filed, or file in the future, patent applications or obtained patents that claim inventions also claimed by us, we may have to participate in an interference proceeding declared by the relevant patent regulatory
agency to determine priority of invention and, thus, the right to a patent for these inventions in the United States. Such a proceeding, like the one described above, could result in substantial cost to us even if the outcome is favorable. Even if
successful, an interference may result in loss of claims. The litigation or proceedings could divert our managements time and efforts. Even unsuccessful claims could result in significant legal fees and other expenses, diversion of management
time, and disruption in our business. Uncertainties resulting from initiation and continuation of any patent or related litigation could harm our ability to compete.

Confidentiality agreements with employees and others may not adequately prevent disclosure of trade secrets and other proprietary information.

In order to protect our proprietary technology and processes, we also rely in part on trade secret protection for our confidential and proprietary
information. We have taken measures to protect our trade secrets and proprietary information, but these measures may not be effective. Our policy is to execute confidentiality agreements with our employees and consultants upon the commencement of an
employment or consulting arrangement with us. These agreements generally require that all confidential information developed by the individual or made known to the individual by us during the course of the individuals relationship with us be
kept confidential and not disclosed to third parties. These agreements also generally provide that inventions conceived by the individual in the course of rendering services to us shall be our exclusive property. Nevertheless, our proprietary
information may be disclosed, and others may independently develop substantially equivalent proprietary information and techniques or otherwise gain access to our trade secrets. Costly and time-consuming litigation could be necessary to enforce and
determine the scope of our proprietary rights, and failure to obtain or maintain trade secret protection could adversely affect our competitive business position.

If we are unable to continue to collect genetic material from diverse natural environments, our research and development efforts and our product and process development programs could be harmed.

We collect genetic material from organisms found in diverse environments. We collect material from government-owned land in foreign countries and in areas
of the United States under formal resource access agreements and from private lands under individual agreements with private landowners. We also collect samples from other environments where agreements are currently not required, such as the deep
sea. If our access to materials under biodiversity access agreements or other arrangements, or where agreements are not currently required, is reduced or terminates, it could harm our internal and our collaborative research and development efforts.
For example, we have voluntarily ceased collections of further samples in Yellowstone National Park pending the parks resolution of collection guidelines.



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Ethical, legal, and social concerns about genetically engineered products and processes could limit or prevent the use
of our products, processes, and technologies and limit our revenue.

Some of our anticipated products and processes are genetically
engineered or involve the use of genetically engineered products or genetic engineering technologies. If we and/or our collaborators are not able to overcome the ethical, legal, and social concerns relating to genetic engineering, our products and
processes may not be accepted. Any of the risks discussed below could result in expenses, delays, or other impediments to our programs or the public acceptance and commercialization of products and processes dependent on our technologies or
inventions. Our ability to develop and commercialize one or more of our technologies, products, or processes could be limited by the following factors:



| |  |  | Public attitudes about the safety and environmental hazards of, and ethical concerns over, genetic research and genetically engineered products and processes, which
could influence public acceptance of our technologies, products and processes;
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Public attitudes regarding, and potential changes to laws governing, ownership of genetic material which could harm our intellectual property rights with respect to
our genetic material and discourage collaborative partners from supporting, developing, or commercializing our products, processes and technologies; and
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Governmental reaction to negative publicity concerning genetically modified organisms, which could result in greater government regulation of genetic research and
derivative products, including labeling requirements.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

The subject of genetically modified organisms has received negative publicity,
which has aroused public debate in the United States and other countries. This adverse publicity could lead to greater regulation and trade restrictions on imports and exports of genetically altered products.

Compliance with stringent laws and obtaining required government approvals may be time consuming and costly, and could delay our introduction of products.

All phases, especially the field testing, production, and marketing, of our potential products and processes are subject to significant
federal, state, local, and/or foreign governmental regulation. Regulatory agencies may not allow us to produce and/or market our products in a timely manner or under technically or commercially feasible conditions, or at all, which could harm our
business.

In the United States, specialty enzyme products for our target markets are regulated based on their use, by either the FDA, the
EPA, or, in the case of plants and animals, the USDA. The FDA regulates drugs, food, and feed, as well as food additives, feed additives, and substances generally recognized as safe that are used in the processing of food or feed. While
substantially all of our current specialty enzyme projects to date have focused on non-human applications and specialty enzyme products outside of the FDAs review, in the future we may pursue collaborations for further research and development
of drug products for humans that would require FDA approval before they could be marketed in the United States. In addition, any drug product candidates must also be approved by the regulatory agencies of foreign governments before any product can
be sold in those countries. Under current FDA policy, our products, or products of our collaborative partners incorporating our technologies or inventions, to the extent that they come within the FDAs jurisdiction, may be subject to lengthy
FDA reviews and unfavorable FDA determinations if they raise safety questions which cannot be satisfactorily answered, if results from pre-clinical or clinical trials do not meet regulatory requirements or if they are deemed to be food additives
whose safety cannot be demonstrated. An unfavorable FDA ruling could be difficult to resolve and could prevent a product from being commercialized. Even after investing significant time and expenditures, our collaborators may not obtain regulatory
approval for any drug products that incorporate our technologies or inventions. Our collaborators have not submitted an investigational new drug application for any product candidate that incorporates our technologies or inventions, and no drug
product candidate developed with our technologies has been approved for commercialization in the United States or elsewhere. The EPA regulates biologically derived chemical substances not within the FDAs jurisdiction. An unfavorable EPA ruling
could delay commercialization or require modification of the production process resulting in higher manufacturing costs, thereby making the product uneconomical. In addition, the USDA may prohibit genetically engineered plants from being grown and
transported except under an exemption, or under controls so burdensome that commercialization becomes impracticable. Our future products may not be exempted by the USDA.

In order to achieve and maintain market acceptance, our biofuels business will need to meet a significant number of environmental and other regulations and standards established by various federal, state and local
regulatory agencies. As these regulations and standards evolve, and if new regulations or standards are implemented, we may be required to modify our proposed facilities and processes or develop and support new facilities or processes and this will
increase our costs. Any failure to comply, or delays in compliance, with the various existing and evolving industry regulations and standards could prevent or delay our production of ethanol and the provision of related services including plant
operation and engineering services in support of anticipated licenses of our technology, which could harm our biofuels business. Market uncertainty regarding future policies may also affect our ability to develop new ethanol production facilities or
license our technologies to third parties. Any inability to address these requirements and any regulatory changes could have a material adverse effect on our biofuels business, financial condition and operating results.



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Our results of operations may be adversely affected by environmental, health and safety laws, regulations and
liabilities.

We are subject to various federal, state and local environmental laws and regulations, including those relating to the
discharge of materials into the air, water and ground, the generation, storage, handling, use, transportation and disposal of hazardous materials, and the health and safety of our employees. In addition, some of these laws and regulations require
our contemplated facilities to operate under permits that are subject to renewal or modification. These laws, regulations and permits can often require expensive pollution control equipment or operational changes to limit actual or potential impacts
to the environment. A violation of these laws and regulations or permit conditions can result in substantial fines, natural resource damages, criminal sanctions, permit revocations and/or facility shutdowns.

Furthermore, as we operate our business, we may become liable for the investigation and cleanup of environmental contamination at each of the properties
that we own or operate and at off-site locations where we may arrange for the disposal of hazardous substances. If these substances have been or are disposed of or released at sites that undergo investigation and/or remediation by regulatory
agencies, we may be responsible under Comprehensive Environmental Response, Compensation and Liability Act, or other environmental laws for all or part of the costs of investigation and/or remediation, and for damages to natural resources. We may
also be subject to related claims by private parties alleging property damage and personal injury due to exposure to hazardous or other materials at or from those properties. Some of these matters may require expending significant amounts for
investigation, cleanup, or other costs.

In addition, new laws, new interpretations of existing laws, increased governmental enforcement of
environmental laws, or other developments could require us to make additional significant expenditures. Continued government and public emphasis on environmental issues can be expected to result in increased future investments for environmental
controls at ethanol production facilities. Present and future environmental laws and regulations, and interpretations thereof, applicable to ethanol operations, more vigorous enforcement policies and discovery of currently unknown conditions may
require substantial expenditures that could have a material adverse effect on our results of operations and financial position.

We use hazardous
materials in our business. Any claims relating to improper handling, storage, or disposal of these materials could be time consuming and costly and could adversely affect our business and results of operations.

Our research and development processes involve the controlled use of hazardous materials, including chemical, radioactive, and biological materials. Our
operations also produce hazardous waste products. We cannot eliminate entirely the risk of accidental contamination or discharge and any resultant injury from these materials. Federal, state, and local laws and regulations govern the use,
manufacture, storage, handling, and disposal of these materials. We may be sued for any injury or contamination that results from our use or the use by third parties of these materials, and our liability may exceed our total assets. In addition,
compliance with applicable environmental laws and regulations may be expensive, and current or future environmental regulations may impair our research, development, or production efforts.

Many competitors and potential competitors who have greater resources and experience than we do may develop products and technologies that make ours obsolete or may
use their greater resources to gain market share at our expense.

The biotechnology industry is characterized by rapid technological
change, and the area of biomolecule discovery and optimization from biodiversity is a rapidly evolving field. Our future success will depend on our ability to maintain a competitive position with respect to technological advances. Technological
development by others may result in our products and technologies becoming obsolete.

We face, and will continue to face, intense
competition in our specialty enzymes business. There are a number of companies who compete with us in various steps throughout our technology process. For example, Codexis, Maxygen, Inc., Evotec, and Xencor have alternative evolution technologies.
Integrated Genomics Inc., Myriad Genetics, Inc., and ArQule, Inc. perform screening, sequencing, and/or bioinformatics services. Novozymes A/S, Genencor International Inc., and Dyadic International are involved in development, overexpression,
fermentation, and purification of enzymes. There are also a number of academic institutions involved in various phases of our technology process. Many of these competitors have significantly greater financial and human resources than we do. These
organizations may develop technologies that are superior alternatives to our technologies. Further, our competitors may be more effective at implementing their technologies for modifying DNA to develop commercial products.



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The ethanol production and marketing industry is extremely competitive. In addition to cellulosic ethanol
producers using different technology platforms, our competitors will be grain ethanol producers as well as other providers of alternative and renewable fuels. Significant competitors in the grain ethanol production and marketing industry include
Archer Daniels Midland Company, Cargill, Inc., VeraSun Energy Corporation, and Aventine Renewable Energy, Inc. Many companies are engaged in research and development activities in the emerging cellulosic ethanol industry, and companies with
announced pilot facility and/or demonstration facility development activities in the cellulosic ethanol space include Abengoa Bioenergy Corp., BlueFire, Genencor, Iogen Corporation, Losonoco, Mascoma, Range Fuels, and Xethanol. Larger industrial
companies with announced cellulosic strategies include Archer Daniels Midland, DONG Energy (Elsam), DuPont/POET (formerly known as Broin), Tate & Lyle, and Novozymes. Cellulosic gasification technologies are being pursued by companies
including ClearFuels and BRI-Infinium. Some or all of these competitors or other competitors, as well as academic, research and government institutions, are developing or may develop technologies for, and are competing or may compete with us in, the
production of ethanol from cellulosic biomass or other feedstocks, such as municipal or construction waste, production of cellulosic ethanol or other fuels employing different steps within the production process, such as acid hydrolysis and/or
gasification, and/or the production of other alternative fuels or biofuels, such as biobutanol. Some of our competitors have substantially greater production, financial, research and development, personnel and marketing resources than we do. As a
result, our competitors may be able to develop competing and/or superior technologies and processes, and compete more aggressively and sustain that competition over a longer period of time than we could. Our lack of resources relative to many of our
significant competitors may cause us to fail to anticipate or respond adequately to new developments and other competitive pressures. This failure could reduce our competitiveness and prevent us from achieving any market share, sales and/or
profitability, adversely affect our results of operations and financial position.

Our ability to compete successfully will depend on our
ability to develop proprietary products that reach the market in a timely manner and are technologically superior to and/or are less expensive than other products on the market. Current competitors or other companies may develop technologies and
products that are more effective than ours. Our technologies and products may be rendered obsolete or uneconomical by technological advances or entirely different approaches developed by one or more of our competitors. The existing approaches of our
competitors or new approaches or technology developed by our competitors may be more effective than those developed by us.

We may not be able to
successfully integrate following the merger between Diversa and Celunol, or we may not realize the anticipated strategic, financial and other goals of the merger.

We completed our merger with Celunol Corp. on June 20, 2007 and immediately began the integration of the two companies. We are exposed to a number of risks in connection with the integration of the Diversa and
Celunol businesses, including:



| |  |  | we may find that we are unable to realize the synergies we anticipated when we combined the companies in the merger or that the economic conditions underlying our
merger decision have changed;
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | we may have difficulty integrating the assets, technologies, operations or personnel, or retaining the key personnel of the two companies; and
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | our ongoing business and managements attention may be disrupted or diverted by transition or integration issues and the complexity of managing geographically
or culturally diverse enterprises.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Additionally, we do not expect our businesses to be completely integrated for quite
some time and expect that our on-going integration efforts will continue to demand time and energy from our management. We also cannot predict how our customers, suppliers and collaborators will react to the combined business and our integrated
operations and cannot assure you that we will be successful in preserving our development, collaboration, distribution, marketing, strategic and other important relationships. In addition, a portion of our common stock which was paid as
consideration in the merger remains in an escrow account and is subject to indemnification claims that we may make. Claims for indemnification against this escrow fund may result in disagreements with members of our management, which may in turn
distract them from their duties and impair our managements ability to work together successfully.

If we lose key personnel or are unable to
attract and retain additional personnel, it could delay our product development programs, harm our research and development efforts, and we may be unable to pursue collaborations or develop our own products.

The loss of any key members of our senior management, or business development or scientific staff, or failure to attract or retain other key management,
business development or scientific employees, could prevent us from developing and commercializing biofuels and cellulosic ethanol and other new products and entering into collaborations or licensing arrangements to execute on our business strategy.
We may not be able to attract or retain qualified employees in the future due to the intense competition for qualified personnel among biotechnology and other technology-based businesses,



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particularly in the San Diego and New England areas, or due to competition for, or availability of, personnel with the qualifications or experience necessary
for our biofuels business, particularly in the Jennings, Louisiana area. If we are not able to attract and retain the necessary personnel to accomplish our business objectives, we may experience constraints that will adversely affect our ability to
meet the demands of our collaborative partners in a timely fashion or to support our internal research and development programs. In particular, our product and process development programs are dependent on our ability to attract and retain highly
skilled scientists, including molecular biologists, biochemists, and engineers. Competition for experienced scientists and other technical personnel from numerous companies and academic and other research institutions may limit our ability to do so
on acceptable terms. All of our employees are at-will employees, which means that either the employee or we may terminate their employment at any time.

Several members of our senior management team are also new and have not worked together for a significant length of time and they may not be able to work together effectively to develop and implement our business
strategies and achieve our business objectives. Management will need to devote significant attention and resources to preserve and strengthen relationships with employees, customers and others. If our management team is unable to develop successful
business strategies, achieve our business objectives, or maintain positive relationships with employees, customers, suppliers or other key constituencies, our ability to grow our business and successfully meet operational challenges could be
impaired.

Our planned activities will require additional expertise in specific industries and areas applicable to the products and
processes developed through our technologies or acquired through strategic or other transactions, especially in our biofuels business. These activities will require the addition of new personnel, including management, and the development of
additional expertise by existing management personnel. The inability to acquire these services or to develop this expertise could impair the growth, if any, of our business.

We may be sued for product liability.

We may be held liable if any product or process we develop, or
any product which is made or process which is performed with the use of any of our technologies, causes injury or is found otherwise unsuitable during product testing, manufacturing, marketing, or sale. We currently have limited product liability
insurance covering claims up to $5 million that may not fully cover our potential liabilities. In addition, if we attempt to obtain additional product liability insurance coverage, this additional insurance may be prohibitively expensive, or may not
fully cover our potential liabilities. Inability to obtain sufficient insurance coverage at an acceptable cost or otherwise to protect against potential product liability claims could prevent or inhibit the commercialization of products or processes
developed by us or our collaborative partners. If we are sued for any injury caused by our products, our liability could exceed our total assets.

Risks Specific to Our Vertically-Integrated Biofuels Business

We may not be successful in the development of individual steps in,
or an integrated process for, the production of ethanol from cellulosic biomass at commercial scale in a timely or economic manner or at all.

The
production of ethanol from cellulosic biomass requires multiple integrated steps, including:



| |  |  | obtaining the cellulosic raw material;
| | - |  | --------------------------------------



| |  |  | pretreatment of the biomass to make its constituent fibers accessible to enzymes;
| | - |  | ---------------------------------------------------------------------------------



| |  |  | treatment with enzymes to produce fermentable sugars;
| | - |  | -----------------------------------------------------



| |  |  | fermentation by organisms to produce ethanol from the fermentable sugars;
| | - |  | -------------------------------------------------------------------------



| |  |  | distillation of the ethanol to concentrate it and separate it from other materials;
| | - |  | -----------------------------------------------------------------------------------



| |  |  | purification of the ethanol; and
| | - |  | --------------------------------



| |  |  | storage and distribution of the ethanol.
| | - |  | ----------------------------------------

We are currently focused on the pilot-scale research and development of such processes in our pilot facility in Jennings, Louisiana, as well as the construction of a demonstration-scale facility located at the same site that is intended to
demonstrate the economics of cellulosic ethanol production using our proprietary processes. We have not yet attempted to perform any elements of the cellulosic ethanol production process beyond pilot scale. We have limited experience with sourcing
cellulosic feedstocks and distilling ethanol produced from biomass, and we have no experience storing and/or distributing significant volumes of ethanol produced from biomass sources. To date, we have focused the majority of our research and
development efforts on producing ethanol from corn stover, sugarcane bagasse, and wood. The technological and logistical challenges associated with each one of these processes are extraordinary, and we may not be able to resolve such difficulties in
a timely or cost effective fashion, or at all. Even if we are successful in developing an economical commercial-scale process for converting a particular cellulosic biomass to cellulosic ethanol, we may not be able to adapt such process to
other biomass raw materials.



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While we have a pilot-scale cellulosic ethanol facility and have begun construction of a
demonstration-scale cellulosic ethanol facility to demonstrate the economics of cellulosic ethanol production using our proprietary processes, we have yet to begin construction of a large-scale commercial cellulosic ethanol facility. While we
have estimated the construction and operating costs for our initial large-scale commercial cellulosic ethanol facilities, these assumptions may prove to be incorrect. Accordingly, we cannot be sure that we can manufacture cellulosic ethanol in
an economical manner at large scale. If we fail to commence large-scale production in a timely manner or to develop large-scale manufacturing capacity and experience, or fail to manufacture cellulosic ethanol economically on a commercial scale or in
commercial volumes, our commercialization of cellulosic ethanol and our business, financial condition, and results of operations will be materially adversely affected.

We may not be able to implement our planned expansion strategy to build, own and operate commercial-scale cellulosic ethanol facilities, including as a result of our failure to successfully manage our growth, which
would prevent us from achieving our goals.

Our strategy currently includes the development of a pilot-scale facility for process
development, a demonstration plant to validate the economics of our processes at commercial-scale volumes of cellulosic ethanol production, and commercial scale plants for the production of large quantities of ethanol for commercial distribution and
sale. We plan to grow our business by investing in new facilities and/or acquiring existing facilities, as well as pursuing other business opportunities such as the production of other renewable fuels to the extent we deem those opportunities
advisable. We believe that there is increasing competition for suitable production sites. We may not find suitable sites for construction of new facilities, suitable acquisition candidates or other suitable expansion opportunities.

We must also obtain numerous regulatory approvals and permits in order to construct and operate facilities. These requirements may not be satisfied in a
timely manner or at all. Federal and state governmental requirements may substantially increase our costs, which could have a material adverse effect on our results of operations and financial position. Our expansion plans may also result in other
unanticipated adverse consequences, such as the diversion of managements attention from our existing operations and products.

Our
construction costs may also increase to levels that would make a new facility too expensive to complete or, for demonstration and commercial-scale plants, unprofitable to operate. Contractors, engineering firms, construction firms and equipment
suppliers also receive requests and orders from other ethanol companies and, therefore, we may not be able to secure their services or products on a timely basis or on acceptable financial terms. Contractors, engineering firms, construction firms
and equipment suppliers may lack the expertise in cellulosic ethanol. We may suffer significant delays or cost overruns as a result of a variety of factors, such as shortages of workers or materials, transportation constraints, adverse weather,
unforeseen difficulties or labor issues, any of which could prevent us from commencing operations as expected at our facilities.

Rapid
growth, resulting from our operation or other involvement with cellulosic ethanol facilities or otherwise, may impose a significant burden on our administrative and operational resources. Our ability to effectively manage our growth will require us
to substantially expand the capabilities of our administrative and operational resources and to attract, train, manage and retain qualified management, technicians and other personnel. We may be unable to do so.

We may not find additional appropriate sites for new facilities, or development partners with whom we can implement our growth strategy, and we may not
be able to finance, construct, develop or operate these new facilities successfully. We also may be unable to find suitable acquisition candidates. Accordingly, we may fail to implement our planned expansion strategy, including as a result of our
failure to successfully manage our growth, and as a result, we may fail to achieve our goals.

We have experienced, and may continue to experience,
significant delays or cost overruns related to our cellulosic ethanol plant construction projects.

We have recently experienced cost
overruns for our demonstration plant. We may continue to experience significant delays or cost overruns as a result of a variety of factors, such as shortages of workers or materials, transportation constraints, adverse weather, unforeseen
difficulties or labor issues, any of which could prevent us from commencing operations as expected at our facilities.



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Our construction costs may also increase to levels that would make a new facility too expensive to
complete or, for demonstration and commercial-scale plants, unprofitable to operate. Contractors, engineering firms, construction firms and equipment suppliers may lack the expertise in cellulosic ethanol, which may result in delays or cost
overruns. Contractors, engineering firms, construction firms and equipment suppliers also receive requests and orders from other clients, including other ethanol companies and, therefore, we may not be able to secure their services or products on a
timely basis or on acceptable financial terms.

If we are unable to successfully commercialize our technology, our business may fail to generate
sufficient revenue, if any, which would adversely affect our operating results.

We expect to derive a significant portion of our
revenue from the commercialization of our proprietary technology for producing fuel-grade cellulosic ethanol by developing, either alone or with partners, cellulosic ethanol production plants and by licensing our proprietary technology. In order to
develop a viable cellulosic ethanol business, we will need to:



| |  |  | successfully complete the construction of our demonstration facility;
| | - |  | ---------------------------------------------------------------------



| |  |  | successfully design, finance and construct commercial-scale cellulosic ethanol facilities; and
| | - |  | ----------------------------------------------------------------------------------------------



| |  |  | prove that we can operate commercial-scale ethanol facilities at costs that are competitive with grain-based ethanol facilities, other cellulosic ethanol
technologies that may be developed and other alternative fuel technologies that may be developed.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Currently, there are no
commercial-scale cellulosic ethanol production plants in operation in the United States, and we have no previous experience developing, constructing or operating commercial-scale cellulosic ethanol production plants. We are in the late stages of
construction of our first demonstration-scale cellulosic ethanol facility. In addition, we have only recently completed an upgrade of our pilot facility in Jennings, Louisiana, and we expect to continue to make enhancements and modifications to the
pilot facility in parallel with the construction and start-up of our demonstration-scale facility in Jennings. There can be no assurance that we will be able to develop and operate cellulosic ethanol production plants on a commercial scale, that we
will be able to successfully license our technology to third parties, or that any cellulosic ethanol facilities developed by us or our licensees can be profitable.

We may be required to write down the value of our goodwill.

As of March 31, 2008, we have recorded $106.1 million
of goodwill resulting from our merger with Celunol. Current accounting rules require that goodwill and certain intangible assets be assessed for impairment using fair value measurement techniques. If the carrying amount of a reporting unit exceeds
its fair value, then a goodwill impairment test is performed to measure the amount of the impairment loss, if any. The goodwill impairment test compares the implied fair value of the reporting units goodwill with the carrying amount of that
goodwill. The implied fair value of goodwill is determined in the same manner as in a business combination. Determining the fair value of the implied goodwill is judgmental in nature and often involves the use of significant estimates and
assumptions. These estimates and assumptions could have a significant impact on whether or not an impairment charge is recognized and also the magnitude of any such charge. Estimates of fair value are primarily determined using discounted cash flows
and market comparisons. These approaches use significant estimates and assumptions, including projection and timing of future cash flows, discount rates reflecting the risk inherent in future cash flows, perpetual growth rates, determination of
appropriate market comparables, and determination of whether a premium or discount should be applied to comparables. The plans and estimates used to value these assets may be incorrect. If our actual results are worse than the plans and estimates we
used to assess the recoverability of Celunols assets in connection with the merger, or our plans and estimates are otherwise incorrect, we could incur impairment charges relating to the goodwill resulting from our merger with Celunol,
including up to the full $106.1million of goodwill.

We may not realize the economic return expected from our acquired in-process research and
development.

We allocated $42.4 million of the purchase price to acquired in-process research and development projects. Acquired
in-process research and development, or IPR&D, represents the valuation of acquired, to-be-completed research projects. Prior to the merger, Celunols ongoing research and development initiatives primarily involved the development of its
patented and proprietary biotechnology to enable production of fuel-grade ethanol from cellulosic biomass materials. As of the merger date, pursuant to authoritative guidance under SFAS No. 2, Accounting for Research and Development
Costs, these projects were not determined to have reached technological feasibility and have no alternative future use. Accordingly, the amounts allocated to those projects were expensed in the accompanying statements of operations in June
2007, the period in which the merger was consummated.

The values of the research projects, namely, our Generation 1 or
Gen 1 technology, were determined by estimating the costs to develop the acquired technology into commercially viable products, estimating the resulting net cash flows from the projects, and discounting the net cash flows to their
present value. These cash flows were estimated by forecasting total revenue expected from these products and then deducting appropriate operating expenses, cash flow adjustments and contributory asset returns to establish a forecast of net cash
flows arising from the acquired in-process technology. These



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cash flows were substantially reduced to take into account the time value of money and the risks associated with the inherent difficulties and uncertainties
given the projected stage of development of these projects at closing. Due to the nature of the forecast and the risks associated with the projected growth and profitability of the developmental projects, discount rates of 40% were considered
appropriate for valuation of the IPR&D. We believe that these discount rates were commensurate with the projects stage of development and the uncertainties in the economic estimates described above.

Since our IPR&D represents costs for technology that has not yet reached technological feasibility, we have, and will continue to, require
substantial investment in the future development and commercialization of our Gen 1 technology. While we expect to deploy this technology at a commercial scale as early as 2010, we can not assure you that we will ever be successful in
commercializing this technology. If these projects are not successfully developed, our sales and profitability will be adversely affected in future periods.

If we are unable to successfully operate our pilot cellulosic ethanol production facility or to successfully construct and operate our demonstration-scale cellulosic ethanol production facility, we may be unable to proceed with the
development of cellulosic facilities on a commercial-scale, which would have a material adverse effect on our business.

We have not
built or operated demonstration- or commercial-scale cellulosic ethanol facilities to date. The development of a portfolio of ethanol production facilities is dependent on the performance of our pilot facility, which we continue to upgrade, as well
as our demonstration facility now under construction. The operation of our pilot facility and the construction of our demonstration facility might be subject to significant interruption and delay in case of a major accident or damage from severe
weather or other natural disasters, or due to supply shortages of necessary materials and services which we, along with other participants in the ethanol industry, have experienced. For these and other reasons, the operation of our pilot facility
and the construction of our demonstration facility may be subject to significant cost overruns from our budgeted amounts, and we anticipate that we will need to obtain additional financing to fund certain capital expenditures for our pilot facility
and demonstration facility which may not be available on satisfactory terms, or at all. If we are unable to acquire additional financing to fund these capital expenditures, our progress at the pilot facility and demonstration facility could be
significantly delayed or curtailed until such financing is available. In addition, our demonstration facility, once constructed and operational, may not produce ethanol in sufficient quantities or the operating costs for the facility may be
significantly higher than we have expected. If we are unable to produce ethanol in the demonstration facility at competitive variable and/or total costs, we may be unable to proceed with the development of commercial-scale facilities.

In order to successfully develop commercial-scale facilities, we will need to address siting, construction and other issues, and if we fail to successfully overcome
these issues, we will not be able to commercialize our technology.

Even if we can demonstrate that our technology can be deployed on a
commercial-scale to produce cellulosic ethanol on a cost-competitive basis, in order to be successful we must develop a number of commercial-scale projects. In order to successfully develop commercial-scale projects, we must overcome a number of
risks and uncertainties including the following:



| |  |  | Sites. In order to develop commercial facilities, we will need to identify and obtain rights to appropriate sites. In evaluating and obtaining sites, we will
need to address a number of issues, including the proximity to potential feedstocks and proximity to transportation infrastructure and end-user markets. Competition for suitable cellulosic ethanol production sites may increase as the market evolves.
We may not find suitable additional sites for the construction of new facilities.
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Joint Venture Partners. In addition to identifying sites for projects we develop on our own, we may seek to develop commercial facilities through joint
venture partners. We may not find suitable joint venture partners for construction of new facilities. As the market for cellulosic ethanol projects evolves, competition may increase for potential joint venture partners with favorable sites.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Supply of Cellulosic Feedstock. Operation of commercial facilities requires a continuous long-term supply of feedstocks that are generally located in
geographic proximity to the facility. We may not be successful in obtaining long-term supply agreements, or our supply of feedstocks could be disrupted by weather, climate, natural disasters, or other factors. In addition, prices and competition for
feedstocks could increase, adversely affecting our ability to operate economically or at all.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Off-Take Arrangements. In order to successfully develop a commercial-scale facility, we will need to enter into off-take arrangements for the sale of ethanol
to be produced at that facility. If we are unable to enter into appropriate off-take arrangements, we may be unable to obtain project financing for the particular facility.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Construction. We will need to identify and retain a significant number of contractors, engineering firms, construction firms and equipment suppliers on
satisfactory terms in order to be able to develop and construct multiple commercial-scale cellulosic ethanol facilities. These vendors also receive requests and orders from other
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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companies in the ethanol and other industries and, therefore, we may not be able to secure their services or products on a timely basis or on acceptable
financial terms. If we are unable to enter into construction and supply contracts on satisfactory terms, we will not be able to obtain financing for our commercial scale projects. In addition, our construction costs may also increase to levels that
would make a new facility too expensive to develop or unprofitable to operate.



| |  |  | Operating Risks. If we are able to build commercial scale ethanol facilities, our operation of these facilities may be subject to labor disruptions and
unscheduled downtime, or other operational hazards inherent in the ethanol industry, such as equipment failures, fires, explosions, abnormal pressures, blowouts, pipeline ruptures, transportation accidents and natural disasters. Some of these
operational hazards may cause personal injury or loss of life, severe damage to or destruction of property and equipment or environmental damage, and may result in suspension of operations and the imposition of civil or criminal penalties. Our
insurance may not be adequate to fully cover the potential operational hazards described above. Any delay in development or interruption due to these potential operational risks could result in substantial losses and material adverse effects on our
results of operations.
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

We will rely heavily on future strategic partners.

An important component of our current business plan is to enter into strategic partnerships:



| |  |  | to provide capital, equipment and facilities, including significant capital for the construction of cellulosic ethanol research and production facilities;
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | to provide expertise in performing certain process development, production and logistical activities;
| | - |  | -----------------------------------------------------------------------------------------------------



| |  |  | to provide funding for research and development programs, process development programs and commercialization activities;
| | - |  | ------------------------------------------------------------------------------------------------------------------------



| |  |  | to provide access to cellulosic feedstocks; and
| | - |  | -----------------------------------------------



| |  |  | to support or provide sales, marketing and distribution services.
| | - |  | -----------------------------------------------------------------

These arrangements with collaborative partners are, and will continue to be, critical to our success in implementing our vertical integration biofuels strategy and manufacturing and selling cellulosic ethanol
profitably. We cannot guarantee that any collaborative relationship(s) will be entered into, or if entered into, will continue or be successful. Failure to make or maintain these arrangements or a delay or failure in a collaborative partners
performance under any such arrangements would materially adversely affect our business and financial condition.

We cannot control our
collaborative partners performance or the resources they devote to our programs. We may not always agree with our partners nor will we have control of our partners activities on behalf of any alliance. The performance of our programs may
be adversely affected and programs may be delayed or terminated or we may have to use funds, personnel, equipment, facilities and other resources that we have not budgeted to undertake certain activities on our own as a result of these
disagreements. Performance issues, program delays or termination or unbudgeted use of our resources may materially adversely affect our business and financial condition.

Disputes may arise between us and a collaborative partner and may involve the issue of which of us owns the technology and other intellectual property that is developed during a collaboration or other issues arising
out of the collaborative agreements. Such a dispute could delay the program on which we are working or could prevent us from obtaining the right to commercially exploit such developments. It could also result in expensive arbitration or litigation,
which may not be resolved in our favor. Our collaborative partners could merge with or be acquired by another company or experience financial or other setbacks unrelated to our collaboration that could, nevertheless, adversely affect us.

In order to gain broad acceptance of our technology, we will need to enter into licensing arrangements with third parties. If we fail to successfully identify and
enter into licenses with qualified third parties or to successfully manage existing and future licensing relationships, we may not be able to successfully commercialize our technology.

We currently have a technology transfer agreement in place with Marubeni Corporation and Tsukishima Kikai Co., Ltd. We also expect that a significant
portion of our future revenue will be derived from licensing agreements that we will enter into in the future. If we fail to enter into and maintain license agreements, we may not be able to gain broad acceptance for our technology, grow a business
or generate sufficient revenues to support our operations. Our future license opportunities could be harmed if:



| |  |  | we do not successfully operate our pilot facility or successfully construct and operate our demonstration facility;
| | - |  | -------------------------------------------------------------------------------------------------------------------



| |  |  | we are unable to successfully develop commercial-scale facilities;
| | - |  | ------------------------------------------------------------------



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| |  |  | we develop processes or enter into licenses that conflict with the business objectives of our existing licensees;
| | - |  | -----------------------------------------------------------------------------------------------------------------



| |  |  | we disagree with our licensees as to rights to intellectual property we develop or our licensees research programs or commercialization activities;
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | we are unable to manage multiple licensee relationships;
| | - |  | --------------------------------------------------------



| |  |  | our licensees become our competitors or enter into agreements with our competitors;
| | - |  | -----------------------------------------------------------------------------------



| |  |  | our licensees become less willing to expend their resources on research or development due to general market conditions or other circumstances beyond our control;
or
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | consolidation in our target markets limits the number of potential strategic licensees or we are unable to negotiate additional license agreements having terms
satisfactory to us.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

We may not be able to develop manufacturing capacity sufficient to meet demand in an economical manner or at all.

If demand for cellulosic ethanol increases beyond the scope of our production facilities, we may incur significant expenses in the
expansion and/or construction of production facilities and increases in personnel in order to increase production capacity. To finance the expansion of a commercial-scale production facility is complex and expensive. We cannot assure you that we
will have the necessary funds to finance the development of production facilities, or that we will be able to develop this infrastructure in a timely or economical manner, or at all.

The feedstocks, raw materials and energy necessary to produce ethanol may be unavailable or may increase in price, adversely affecting our sales and profitability.

We intend to use various sources of cellulosic biomass, such as sugarcane bagasse, dedicated energy crops, agricultural residues (which may include corn
stover), switchgrass and wood, to make cellulosic ethanol. However, rising prices for any or all of these feedstocks would produce lower profit margins and, therefore, represent unfavorable market conditions. This is especially true since market
conditions generally would not allow us to pass along increased costs to customers, because the price of ethanol is primarily determined by other factors, such as the price of oil and gasoline. Additionally, once we elect to use a particular
feedstock in the ethanol production process, it may be technically or economically impractical to change to a different feedstock. At certain levels, feedstock prices may make ethanol uneconomical to use in markets where the use of fuel oxygenates
is not mandated.

Weather conditions and other factors affecting crop yields, farmer planting decisions, and general economic, market and
regulatory factors may influence the availability, transportation costs and price of biomass feedstocks used in our pilot facility and to be used in our demonstration- and commercial-scale production facilities. There can be no guarantee that
feedstock costs to us may not increase over time. Government policies and subsidies with respect to agriculture and international trade, and global and local demand and supply, also impact the price and transportation costs of agricultural products.
The significance and relative effects of these factors on the potential cost of feedstocks are difficult to predict. Any increase in the cost of feedstocks will result in increased costs, and negative effects on our operating results. Other inputs
to our cellulosic-ethanol production process will also be subject to price variation. These include chemicals, nutrients, enzymes, acid and lime, among others. Increases in the costs of these materials, or our failure to achieve reductions in the
use of such materials, could increase our operating costs and have negative effects on our operating results. The gross margin of our anticipated ethanol production business depends principally on the spread between the price for ethanol and our
production costs. Any increase in production costs or decrease in the demand or price of ethanol will negatively affect our business.

The
production of ethanol also requires a significant amount of other raw materials and energy, primarily water, electricity and natural gas. We plan to utilize the lignin remaining after the pretreatment of cellulosic biomass as a source of energy to
power our cellulosic ethanol production facilities, however we may not be successful in using lignin as a source of energy and, if so, we may have to use electricity supplemental fuels such as natural gas. The prices of electricity and supplemental
fuels such as natural gas have fluctuated significantly in the past and may fluctuate significantly in the future. Local water, electricity and gas utilities may not be able to reliably supply the water, electricity and supplemental fuels that our
facilities will need or may not be able to supply such resources on acceptable terms. In addition, if there is an interruption in the supply of water or energy for any reason, we may be required to halt ethanol production.

The high concentration of our efforts towards developing processes for the production of cellulosic ethanol could increase our losses, especially if demand for
ethanol declines.

If we are successful in producing and marketing cellulosic ethanol, our revenue will be derived primarily from sales
of ethanol. Ethanol competes with several other existing products and other alternative products could also be developed for use as fuel additives. An industry shift away from ethanol or the emergence of new competing products may reduce the demand
for ethanol. A downturn in the demand for ethanol would significantly and adversely affect any sales and/or profitability.



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The market price of ethanol is volatile and subject to significant fluctuations, which may cause our profitability
from the production of cellulosic ethanol to fluctuate significantly.

The market price of ethanol is dependent upon many factors,
including the price of gasoline, which is in turn dependent upon the price of petroleum. Petroleum prices are highly volatile and difficult to forecast due to frequent changes in global politics and the world economy. The distribution of petroleum
throughout the world is affected by incidents in unstable political environments, such as Iraq, Iran, Kuwait, Saudi Arabia, Nigeria, Venezuela, the former U.S.S.R. and other countries and regions. The industrialized world depends critically upon oil
from these areas, and any disruption or other reduction in oil supply can cause significant fluctuations in the prices of oil and gasoline. We cannot predict the future price of oil or gasoline and may establish unprofitable prices for the sale of
ethanol due to significant fluctuations in market prices. In recent years, the prices of gasoline, petroleum and ethanol have all reached historically unprecedented high levels. If the prices of gasoline and petroleum decline, we believe that the
demand for and price of ethanol may be adversely affected. Fluctuations in the market price of ethanol may cause our profitability to fluctuate significantly quarter-to-quarter and year-to-year.

We believe that the production of ethanol is expanding rapidly. There are a number of new plants under construction and planned for construction
throughout the United States. We expect existing ethanol plants to expand by increasing production capacity and actual production. Increases in the demand for ethanol may not be commensurate with increasing supplies of ethanol. Thus, increased
production of ethanol may lead to lower ethanol prices. Also, the increased production of ethanol could result in increased demand for feedstocks for the production of ethanol. This could result in higher prices for feedstocks and cause higher
ethanol production costs and, in the event that we are unable to pass increases in the price of feedstocks on to our customers, will result in lower profits. We cannot predict the future price of ethanol or feedstocks. Any material decline in the
price of ethanol, or any material increase in the price of feedstocks, will adversely affect any sales and/or profitability.

If ethanol demand does not
increase, or decreases, there may be excess capacity in our industry which would likely cause a decline in ethanol prices, adversely impacting our results of operations, cash flows and financial condition.

Domestic fuel ethanol production has increased steadily from 1.5 billion gallons per year in 1999 to 6.5 billion gallons per year in 2007, according to
the RFA. In addition, there is a significant amount of capacity being added to the fuel ethanol industry, including capacity that may be added as a result of government programs and/or incentives, and capacity added to address anticipated increases
in demand. However, demand for ethanol may not increase as quickly as expected, or at all. If the ethanol industry has excess capacity, a fall in prices will likely occur which will have an adverse impact on the viability of our vertical integration
strategy within biofuels, as well as our results of operations, cash flows and financial condition if we proceed to market ethanol. Demand for ethanol could be impaired due to a number of factors, including regulatory developments and reduced United
States gasoline consumption. Reduced gasoline consumption could occur as a result of increased gasoline or oil prices. For example, price increases could cause businesses and consumers to reduce driving or acquire vehicles with more favorable
gasoline mileage capabilities.

The United States ethanol industry is highly dependent upon a myriad of federal and state legislation and regulation and
any changes in such legislation or regulation could materially adversely affect our results of operations and financial condition.

The elimination or significant reduction in the Federal Excise Tax Credit could have a material adverse effect on our results of operations.

The production of ethanol is made significantly more competitive by federal tax incentives. The Volumetric Ethanol Excise Tax Credit, or VEETC, program, which is scheduled to expire on December 31, 2010, allows
gasoline distributors who blend ethanol with gasoline to receive a federal excise tax rate reduction for each blended gallon they sell regardless of the blend rate. The current federal excise tax on gasoline is $0.184 per gallon, and is paid at the
terminal by refiners and marketers. If the fuel is blended with ethanol, the blender may claim a $0.51 tax credit for each gallon of ethanol used in the mixture. The VEETC may not be renewed prior to its expiration in 2010, or if renewed, it may be
renewed on terms significantly less favorable than current tax incentives. In addition, the blenders credits, as well as other federal and state programs benefiting ethanol (such as tariffs), generally are subject to U.S. government
obligations under international trade agreements, including those under the World Trade Organization Agreement on Subsidies and Countervailing Measures, and might be the subject of challenges thereunder, in whole or in part. The elimination or
significant reduction in the VEETC could have a material adverse effect on our results of operations.



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Waivers of the Renewable Fuels Standard minimum levels of renewable fuels included in gasoline, or the
lapse of the increased weight given for the use of cellulosic ethanol for compliance with the Renewable Fuels Standard, could have a material adverse affect on our results of operations.

Under the Energy Policy Act of 2005, the Department of Energy, in consultation with the Secretary of Agriculture and the Secretary of Energy, may waive
the Renewable Fuels Standard, or RFS, mandate with respect to one or more states if the Administrator determines that implementing the requirements would severely harm the economy or the environment of a state, a region or the United States, or that
there is inadequate supply to meet the requirement. Additionally, under the RFS, through 2013, one gallon of cellulosic ethanol is credited as 2.5 gallons for compliance with the RFS. Any waiver of the RFS with respect to one or more states or with
respect to a particular year, or the lapse or alteration of the extra weight cellulosic ethanol is given in complying with the RFS, could adversely affect demand for ethanol and could have a material adverse effect on our results of operations and
financial condition.

While the Energy Policy Act of 2005 imposes the RFS, it does not mandate the use of ethanol and eliminates the
oxygenate requirement for reformulated gasoline in the Reformulated Gasoline Program included in the Clean Air Act.

The Reformulated
Gasoline, or RFG, programs oxygenate requirements contained in the Clean Air Act, was completely eliminated on May 5, 2006 by the Energy Policy Act of 2005. While the RFA expects that ethanol should account for the largest share of
renewable fuels produced and consumed under the RFS, the RFS is not limited to ethanol and also includes biodiesel and any other liquid fuel produced from biomass or biogas. The elimination of the oxygenate requirement for reformulated gasoline in
the RFG program included in the Clean Air Act may result in a decline in ethanol consumption in favor of other alternative fuels, which in turn could have a material adverse effect on our results of operations and financial condition.

The elimination or alteration of the special depreciation allowances for cellulosic ethanol facilities could have a material adverse effect on our
results of operations.

Under the Tax Relief and Health Care Act of 2006, a special first year depreciation allowance for qualified
cellulosic biomass ethanol plant property was created. Under this allowance, a qualifying facility would be eligible for a depreciation deduction of up to 50% of its adjusted basis in the year the facility is placed in service. The elimination or
alteration of this depreciation allowance could have a material adverse effect on our results of operations and financial condition.

Changes in enacted
federal, state or local legislation, or the enaction of new legislation, may adversely impact our business.

Federal, state and local
legislators may enact legislation, or modify or amend currently enacted legislation, that could adversely affect the industries in which we currently operate. For example, several federal laws encourage the development of the ethanol and/or biofuels
industry in the United States. If those laws are repealed or are not renewed, it could adversely impact the ethanol and/or biofuels industries as a whole, which would have an adverse effect on our financial results. In addition, legislation could be
enacted that might not negatively impact our industry as a whole, but could negatively impact that portion of the industry in which we operate or our particular business. For example, in the future we may consider the effect of state or local
incentives, such as grants or tax abatements, in formulating our internal projections and budgets and when choosing to where to locate and operate commercial-scale plants for the production of cellulosic ethanol. If those incentives should be
repealed or no longer become available, the profitability of any commercial-scale plants which are reliant on such incentives could be negatively affected, which in turn would negatively affect our operating results.

Certain countries can export ethanol to the United States duty-free, which may undermine the ethanol production industry in the United States.

Imported ethanol is generally subject to a $0.54 per gallon tariff and a 2.5% ad valorem tax that was designed to offset the $0.51 per gallon ethanol
subsidy available under the federal excise tax incentive program for refineries that blend ethanol in their fuel. There is a special exemption from the tariff for ethanol imported from certain countries in Central America and the Caribbean islands,
which is limited to a total of 7.0% of United States production per year (with additional exemptions for ethanol produced from feedstock in the Caribbean region over the 7.0% limit). We do not know the extent to which the volume of imports would
increase or the effect on United States prices for ethanol if the tariff is not renewed beyond its current expiration in December 2007. In addition The North America Free Trade Agreement countries, Canada and Mexico, are exempt from duty. Imports
from the exempted countries have increased in recent years and are expected to increase further as a result of new plants under development. In particular, the ethanol industry has expressed concern with respect to a new plant under development by
Cargill, Inc., one of the largest ethanol producers in the United States, in El Salvador that would take the water out of Brazilian ethanol and then ship the dehydrated ethanol from El Salvador to the United States duty-free. Since production costs
for ethanol in Brazil are estimated to be significantly less than what they are in the United States, the import of the Brazilian ethanol duty-free through El Salvador, or the import of ethanol duty-free from any country not exempted from the
tariff, may negatively impact the demand for domestic ethanol and the price at which we sell our ethanol.



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Our competitive position, financial position and results of operations may be adversely affected by technological
advances.

Even if we are able to execute our business plan and develop commercial-scale cellulosic ethanol production plants and
successfully license our proprietary technology, the development and implementation of new technologies may result in a significant reduction in the costs of ethanol production by others. For example, any technological advances by others in the
efficiency or cost to produce ethanol from corn or other biomass could have an adverse effect on our competitiveness. We cannot predict when new technologies may become available, the rate of acceptance of new technologies by our competitors or the
costs associated with new technologies. In addition, advances in the development of alternatives to ethanol could significantly reduce demand for or eliminate the need for ethanol. Any advances in technology which require significant capital
expenditures to remain competitive or which reduce demand or prices for ethanol would have a material adverse effect on the results of our operations and financial position.

The termination or loss of our exclusive license from the University of Florida Research Foundation, Inc., would have a material adverse effect on our business.

We have an exclusive worldwide license to use, develop and commercially exploit the ethanol production patent estate of the University of Florida Research
Foundation, Inc., or UFRFI, which consists of 16 United States patents, 6 pending United States patent applications, 57 foreign patents, 56 foreign patent applications and other related proprietary ethanol technology, and any extensions and
improvements thereof for the production of ethanol, all of which is referred to herein as the UFRFI technology. The UFRFI license agreement expires on the later of October 2015 or the expiration of the last patent related to the UFRFI licensed
technology. Based on the latest to expire of the current granted United States patents, the UFRFI license agreement will extend into 2022. Pending and future patent applications related to the UFRFI licensed technology, if granted, would extend the
expiration date of the UFRFI license agreement beyond 2026. Loss of the rights to the UFRFI technology licensed to us, for example, due to our inability to comply with the terms and conditions or otherwise, of the UFRFI license agreement, would have
a material adverse effect on our business.

Growth in the sale and distribution of ethanol is dependent on the changes to and expansion of related
infrastructure which may not occur on a timely basis, if at all, and our contemplated operations could be adversely affected by infrastructure disruptions.

Substantial development of infrastructure will be required by persons and entities outside our control for our contemplated licensing and cellulosic ethanol production operations, and the ethanol industry generally,
to grow. Areas requiring expansion include, but are not limited to:



| |  |  | the automobile industrys of manufacture of flexible fuel vehicles;
| | - |  | -------------------------------------------------------------------



| |  |  | additional rail capacity affecting distribution of ethanol;
| | - |  | -----------------------------------------------------------



| |  |  | additional storage facilities for ethanol;
| | - |  | ------------------------------------------



| |  |  | increases in truck fleets capable of transporting ethanol within localized markets;
| | - |  | -----------------------------------------------------------------------------------



| |  |  | expansion of refining and blending facilities to handle ethanol; and
| | - |  | --------------------------------------------------------------------



| |  |  | growth in service stations equipped to handle ethanol fuels.
| | - |  | ------------------------------------------------------------

Substantial investments required for these infrastructure changes and expansions may not be made or they may not be made on a timely basis. Any delay or failure in making the changes to or expansion of infrastructure
could hurt the demand for our proprietary technology or the production of cellulosic ethanol, impede our delivery of cellulosic ethanol, impose additional costs on us, or otherwise have a material adverse effect on its results of operations or
financial position. Our contemplated business will be dependent on the continuing availability of infrastructure and any infrastructure disruptions could have a material adverse effect on our business.

New ethanol plants under construction or decreases in the demand for ethanol may result in excess United States production capacity.

A number of our competitors are divisions of substantially larger enterprises and have substantially greater financial resources than we have. Smaller
competitors also pose a threat. Farmer-owned cooperatives and independent firms consisting of groups of individual farmers and investors have been able to compete successfully in the ethanol industry. These smaller competitors operate smaller
facilities which do not affect the local price of corn grown in proximity to the facility as much as



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larger facilities. In addition, many of these smaller competitors are farmer-owned and often require their farmer-owners to commit to selling them a certain
amount of corn as a requirement of ownership. A significant portion of production capacity in the ethanol industry consists of smaller-sized facilities. In addition, institutional investors and high net worth individuals could heavily invest in
ethanol production facilities and oversupply the demand for ethanol, resulting in lower ethanol price levels that might adversely affect the results of our contemplated cellulosic ethanol production operations and financial position.

Risks Specific to Our Specialty Enzymes Business

We are
dependent on our collaborative partners, and our failure to successfully manage our existing and future collaboration relationships could prevent us from developing and commercializing many of our specialty enzyme products and achieving or
sustaining profitability.

We currently have license agreements, strategic alliance agreements, collaboration agreements, supply
agreements, and/or distribution agreements relating to our specialty enzymes business with Syngenta AG, BASF, Bayer Animal Health, Bunge Oils, Cargill Health and Food Technologies, DSM Pharma Chemicals, DuPont Bio-Based Materials, Givaudan Flavors
Corporation, and Xoma. For the three months ended March 31, 2008, approximately 18% of our revenue was from Syngenta. While we expect our product revenue to continue to account for a greater proportion of our total revenue, we expect that a
significant portion of our 2008 revenue in our specialty enzymes business will be derived from our collaboration agreements. Since we do not currently possess the resources necessary to independently develop and commercialize all of the potential
specialty enzyme products that may result from our technologies, we expect to continue to enter into, and in the near-term derive additional revenue from, strategic alliance and collaboration agreements to develop and commercialize specialty enzyme
products. We will have limited or no control over the resources that any strategic partner or collaborator may devote to our partnered specialty enzyme products. Any of our present or future strategic partners or collaborators may fail to perform
their obligations as expected. These strategic partners or collaborators may breach or terminate their agreements with us or otherwise fail to conduct their collaborative activities successfully and in a timely manner. Further, our strategic
partners or collaborators may not develop specialty enzyme products arising out of our collaborative arrangements or devote sufficient resources to the development, manufacture, marketing, or sale of these specialty enzyme products. If any of these
events occur, or we fail to enter into or maintain strategic alliance or collaboration agreements, we may not be able to commercialize our specialty enzyme products, grow our specialty enzyme business, or generate sufficient revenue to support our
operations. Our present or future strategic alliance and collaboration opportunities could be harmed if:



| |  |  | We do not achieve our research and development objectives under our strategic alliance and collaboration agreements;
| | - |  | --------------------------------------------------------------------------------------------------------------------



| |  |  | We develop specialty enzyme products and processes or enter into additional strategic alliances or collaborations that conflict with the business objectives of our
strategic partners or collaborators;
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | We disagree with our strategic partners or collaborators as to rights to intellectual property we develop, or their research programs or commercialization
activities;
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | We are unable to manage multiple simultaneous strategic alliances or collaborations;
| | - |  | ------------------------------------------------------------------------------------



| |  |  | Our strategic partners or collaborators become competitors of ours or enter into agreements with our competitors;
| | - |  | -----------------------------------------------------------------------------------------------------------------



| |  |  | Our strategic partners or collaborators become less willing to expend their resources on research and development due to general market conditions or other
circumstances beyond our control;
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Consolidation in our target markets limits the number of potential strategic partners or collaborators; or
| | - |  | ----------------------------------------------------------------------------------------------------------



| |  |  | We are unable to negotiate additional agreements having terms satisfactory to us.
| | - |  | ---------------------------------------------------------------------------------

We may not be able to realize any future benefits from the products and programs that we discontinued and/or de-emphasized in connection with the strategic reorganization that we announced in January 2006.

In January 2006, we announced a strategic reorganization designed to focus our resources on specialty enzymes programs and products that
have the greatest opportunity for success. Accordingly, we elected to discontinue or to exit certain products and programs, many of which we had spent significant amounts of research funds on up to the point of their discontinuation and/or
de-emphasis. We will attempt to sell and/or out-license to third parties some of these products and programs, including, but not limited to, our sordarins anti- fungal program. It is possible that we could be unsuccessful in our attempts to sell or
out-license these products and/or programs. In the event that we are successful in selling or out-licensing any of these products and/or programs, the structure of such transactions may provide for only future compensation in the event that the
third party is ultimately successful in development of the products and/or programs. Accordingly, it is possible that we may not receive any financial benefit from any sale or out license of these products and/or programs.



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We do not own equipment with the capacity to manufacture products on a commercial scale. If we are unable to access
the capacity to manufacture products in sufficient quantity, we may not be able to commercialize our products or generate significant sales.

We have only limited experience in enzyme manufacturing, and we do not have our own internal capacity to manufacture specialty enzyme products on a commercial scale. We expect to be dependent to a significant extent on third parties for
commercial scale manufacturing of our specialty enzyme products. We have arrangements with third parties that have the required manufacturing equipment and available capacity to manufacture Fuelzyme-LF enzyme, Phyzyme XP, Bayovac SRS, Quantum
phytase, Luminase PB-100 enzyme, Luminase PB-200 enzyme, Pyrolase 160 enzyme, Pyrolase 200 enzyme, and Cottonase enzyme. While we have our own pilot development facility, we continue to depend on third parties for large-scale commercial
manufacturing. Additionally, one of our third party manufacturers is located in a foreign country, and is our sole-source supplier for most of our commercial enzyme products. Any difficulties or interruptions of service with our third party
manufacturers or our own pilot manufacturing facility could disrupt our research and development efforts, delay our commercialization of specialty enzyme products, and harm our relationships with our specialty enzyme strategic partners,
collaborators, or customers.

In addition, our supply agreement with Danisco for Phyzyme contains provisions which allow Danisco, with six
months advance notice, to assume manufacturing rights of Phyzyme. If Danisco were to exercise this right, we would likely experience significant excess capacity at our third party manufacturing facility. If we were unable to absorb this excess
capacity with other products in the event that Danisco assumed manufacturing rights of Phyzyme, our results of operations and financial condition would be adversely effected.

We have only limited experience in independently developing, manufacturing, marketing, selling, and distributing commercial specialty enzyme products.

We intend to pursue some specialty enzyme product opportunities independent of strategic partners and collaborators. We currently have only limited
resources and capability to develop, manufacture, market, sell, or distribute specialty enzyme products on a commercial scale. We will determine which specialty enzyme products to pursue independently based on various criteria, including: investment
required, estimated time to market, regulatory hurdles, infrastructure requirements, and industry-specific expertise necessary for successful commercialization. At any time, we may modify our strategy and pursue collaborations for the development
and commercialization of some specialty enzyme products that we had intended to pursue independently. We may pursue specialty enzyme products that ultimately require more resources than we anticipate or which may be technically unsuccessful. In
order for us to commercialize more specialty enzyme products directly, we would need to establish or obtain through outsourcing arrangements additional capability to develop, manufacture, market, sell, and distribute such products. If we are unable
to successfully commercialize specialty enzyme products resulting from our internal product development efforts, we will continue to incur losses in our specialty enzymes business, as well as in our business as a whole. Even if we successfully
develop a commercial specialty enzyme product, we may not generate significant sales and achieve profitability in our specialty enzymes business, or in our business as a whole.

Risks Related to Owning Our Common Stock

We are subject to anti-takeover provisions in our certificate of
incorporation, bylaws, and Delaware law and have adopted a shareholder rights plan that could delay or prevent an acquisition of our company, even if the acquisition would be beneficial to our stockholders.

Provisions of our certificate of incorporation, our bylaws and Delaware law could make it more difficult for a third party to acquire us, even if doing so
would be beneficial to our stockholders. In addition, we adopted a share purchase rights plan that has anti-takeover effects. The rights under the plan will cause substantial dilution to a person or group that attempts to acquire us on terms not
approved by our board of directors. The rights should not interfere with any merger or other business combination approved by our board, since the rights may be amended to permit such an acquisition or may be redeemed by us. These provisions in our
charter documents, under Delaware law, and in our rights plan could discourage potential takeover attempts and could adversely affect the market price of our common stock. Because of these provisions, our common stockholders might not be able to
receive a premium on their investment.

We expect that our quarterly results of operations will fluctuate, and this fluctuation could cause our stock
price to decline, causing investor losses.

Our quarterly operating results have fluctuated in the past and are likely to do so in the
future. These fluctuations could cause our stock price to fluctuate significantly or decline. Revenue and expenses in future periods may be greater or less than in the immediately preceding period or in the comparable period of the prior year. Some
of the factors that could cause our operating results to fluctuate include:



| |  |  | termination of strategic alliances and collaborations;
| | - |  | ------------------------------------------------------



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| |  |  | the success rate of our discovery efforts associated with milestones and royalties;
| | - |  | -----------------------------------------------------------------------------------



| |  |  | the ability and willingness of strategic partners and collaborators to commercialize, market, and sell royalty-bearing products or processes on expected timelines;
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | our ability to enter into new agreements with potential strategic partners and collaborators or to extend the terms of our existing strategic alliance agreements
and collaborations, and the terms of any agreement of this type;
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Our need to continuously recruit and retain qualified personnel;
| | - |  | ----------------------------------------------------------------



| |  |  | our ability to successfully satisfy all pertinent regulatory requirements;
| | - |  | --------------------------------------------------------------------------



| |  |  | our ability to successfully commercialize products or processes developed independently and the demand and prices for such products or processes;
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | The cost and timing of completion and start-up of our demonstration facility;
| | - |  | -----------------------------------------------------------------------------



| |  |  | The extent, cost and timing of any new projects for the development of commercial-scale facilities;
| | - |  | ---------------------------------------------------------------------------------------------------



| |  |  | general and industry specific economic conditions, which may affect our, and our collaborative partners, research and development expenditures; and
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | increased expenses related to the implementation of our vertical integration strategy within biofuels.
| | - |  | ------------------------------------------------------------------------------------------------------

If revenue declines or does not grow as anticipated, we may not be able to correspondingly reduce our operating expenses, and our operating capital
expenses could increase. A large portion of our expenses, including expenses for facilities, equipment and personnel, are relatively fixed. Failure to achieve anticipated levels of revenue could therefore significantly harm our operating results for
a particular fiscal period.

Due to the possibility of fluctuations in our revenue and expenses, we believe that quarter-to-quarter
comparisons of our operating results are not a good indication of our future performance. Our operating results in some quarters may not meet the expectations of stock market analysts and investors. In that case, our stock price would probably
decline.

Our stock price has been and may continue to be particularly volatile.

The market price of our common stock has in the past been and is likely to continue to be subject to significant fluctuations. Between January 1,
2006 and March 31, 2008, the closing market price of our common stock has ranged from a low of $2.35 to a high of $11.58. Since the completion of our merger with Celunol on June 20, 2007, the closing market price of our common stock has
ranged from $2.35 to $6.83. The closing market price of our common stock on March 31, 2008 was $3.52. Some of the factors that may cause the market price of our common stock to fluctuate include:



| |  |  | significant accidents, damage from severe weather or other natural disasters affecting our pilot facility;
| | - |  | ----------------------------------------------------------------------------------------------------------



| |  |  | interruption or delay in the construction of our demonstration facility;
| | - |  | ------------------------------------------------------------------------



| |  |  | risks and uncertainties related to siting, permitting, construction, materials and equipment procurement, and other issues related to development of
commercial-scale facilities;
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | any inability to obtain additional financing on favorable terms to fund our operations and pursue our business plan;
| | - |  | --------------------------------------------------------------------------------------------------------------------



| |  |  | reductions in the price of gasoline or increases in the prices for biomass feedstocks;
| | - |  | --------------------------------------------------------------------------------------



| |  |  | the entry into, or termination of, key agreements, including key collaboration agreements and licensing agreements;
| | - |  | -------------------------------------------------------------------------------------------------------------------



| |  |  | future royalties from product sales, if any, by our collaborative partners;
| | - |  | ---------------------------------------------------------------------------



| |  |  | future royalties and fees for use of our proprietary processes, if any, by our licensees;
| | - |  | -----------------------------------------------------------------------------------------



| |  |  | the initiation of material developments in, or conclusion of litigation to enforce or defend any of our intellectual property rights or otherwise;
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | general and industry-specific economic and regulatory conditions that may affect our ability to successfully develop and commercialize biofuels and cellulosic
ethanol and other products;
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | the loss of key employees;
| | - |  | --------------------------



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| |  |  | our ability to access genetic material from diverse ecological environments and practice our technologies;
| | - |  | ----------------------------------------------------------------------------------------------------------



| |  |  | the introduction of technological innovations or alternative energy sources or other products by our competitors;
| | - |  | -----------------------------------------------------------------------------------------------------------------



| |  |  | decreases in the market for ethanol, and cellulosic ethanol;
| | - |  | ------------------------------------------------------------



| |  |  | changes in estimates or recommendations by securities analysts, if any, who cover our common stock;
| | - |  | ---------------------------------------------------------------------------------------------------



| |  |  | future sales of our common stock or other capital-raising activities; and
| | - |  | -------------------------------------------------------------------------



| |  |  | period-to-period fluctuations in our financial results.
| | - |  | -------------------------------------------------------

Moreover, the stock markets in general have experienced substantial volatility that has often been unrelated to the operating performance of individual companies. These broad market fluctuations may also adversely
affect the trading price of our common stock.

In the past, following periods of volatility in the market price of a companys
securities, stockholders have often instituted class action securities litigation against those companies. Such litigation, if instituted, could result in substantial costs and diversion of management attention and resources, which could
significantly harm our profitability and reputation.

Concentration of ownership among our existing officers, directors and principal stockholders may
prevent other stockholders from influencing significant corporate decisions and depress our stock price.

Our officers, directors, and
stockholders with at least 5% of our stock together controlled approximately 61% of our outstanding common stock as of March 31, 2008. If these officers, directors, and principal stockholders act together, they will be able to exert a
significant degree of influence over our management and affairs and control matters requiring stockholder approval, including the election of directors and approval of mergers or other business combination transactions. In addition, Syngenta and its
affiliates controlled approximately 12.5% of our outstanding common stock, and by themselves will be able to exert a significant degree of influence over our management and affairs and over matters requiring stockholder approval. The interests of
this concentration of ownership may not always coincide with our interests or the interests of other stockholders. For instance, officers, directors, and principal stockholders, acting together, could cause us to enter into transactions or
agreements that we would not otherwise consider. Similarly, this concentration of ownership may have the effect of delaying or preventing a change in control of our company otherwise favored by our other stockholders. This concentration of ownership
could depress our stock price.

Future sales of our stock by large stockholders could cause the price of our stock to decline.

A number of our stockholders hold significant amounts of our stock. For example, as of March 31, 2008, Syngenta, our largest stockholder, owned
7,963,593 shares of our common stock, or approximately 12.5% of our outstanding shares. All of our shares owned by Syngenta are eligible for sale in the public market subject to compliance with the applicable securities laws. We have agreed that,
upon Syngentas request, we will file one or more registration statements under the Securities Act in order to permit Syngenta to offer and sell shares of our common stock. Sales of a substantial number of shares of our stock by our large
stockholders, including Syngenta, in the public market



|ITEM 2. | UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS.
|------- | ------------------------------------------------------------

Our issuance during the quarter ended March 31, 2008 of the 2008 Notes and the warrants was reported on a current report on Form 8-K filed on February 29, 2008.



|ITEM 3. | DEFAULTS UPON SENIOR SECURITIES.
|------- | --------------------------------

None.



|ITEM 4. | SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS.
|------- | ----------------------------------------------------

None.



|ITEM 5. | OTHER INFORMATION.
|------- | ------------------

None.



|ITEM 6. | EXHIBITS.
|------- | ---------



|(a) | 
|--- | 



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|               |  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|-------------- |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Exhibit Number |  | Description of Exhibit                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|               | 
|3.1            |  | Amended and Restated Certificate of Incorporation - filed as an exhibit to the Companys Quarterly Report on Form 10-Q for the quarter ended March 31, 2000, filed with the Securities and
Exchange Commission on May 12, 2000, and incorporated herein by reference.                                                                                                                                                                                                                                                                                                                                          
|               | 
|3.2            |  | Certificate of Amendment of Restated Certificate of Incorporation - filed as an exhibit to the Companys Annual Report on Form 10-K, filed with the Securities and Exchange Commission on
March 16, 2007, and incorporated herein by reference.                                                                                                                                                                                                                                                                                                                                                                
|               | 
|3.3            |  | Amended and Restated Bylaws - filed as an exhibit to the Companys Quarterly Report on Form 10-Q for the quarter ended March 31, 2000, filed with the Securities and Exchange Commission on
May 12, 2000, and incorporated herein by reference.                                                                                                                                                                                                                                                                                                                                                                
|               | 
|3.4            |  | Amendment to Bylaws of Verenium Corporation - filed as an exhibit to the Companys Current Report on Form 8-K, filed with the Securities and Exchange Commission on March 27, 2007, and
incorporated herein by reference.                                                                                                                                                                                                                                                                                                                                                                                      
|               | 
|3.5            |  | Certificate of Amendment of Restated Certificate of Incorporation, filed June 26, 2007 - filed as an exhibit to the Companys Current Report on Form 8-K, filed with the Securities and
Exchange Commission on June 26, 2007, and incorporated herein by reference.                                                                                                                                                                                                                                                                                                                                            
|               | 
|4.1            |  | Form of Common Stock Certificate of the Company - filed as an exhibit to the Companys Registration Statement on Form S-1 (No. 333-92853) filed with the Securities and Exchange Commission,
as amended, and incorporated herein by reference.                                                                                                                                                                                                                                                                                                                                                                 
|               | 
|4.2            |  | Rights Agreement by and between the Company and American Stock Transfer and Trust Company, as Rights Agent, dated as of December 13, 2000 (including the Form of Certificate of Designation of
Series A Junior Participating Preferred Stock attached thereto as Exhibit A, the Form of Right Certificate attached thereto as Exhibit B, and the Summary of Rights to Purchase Preferred Shares attached thereto as Exhibit C) - filed as an exhibit to
the Companys Current Report on Form 8-K, filed with the Securities and Exchange Commission on December 15, 2000, and incorporated herein by reference.
|               | 
|4.3            |  | Amendment to Rights Agreement by and between the Company and American Stock Transfer and Trust Company, as Rights Agent, dated as of December 2, 2002 - filed as an exhibit to the Companys
Current Report on Form 8-K, filed with the Securities and Exchange Commission on December 4, 2002, and incorporated herein by reference.                                                                                                                                                                                                                                                                          
|               | 
|4.4            |  | Certificate of Designation of Series A Junior Participating Preferred Stock - filed as an exhibit to the Companys Current Report on Form 8-K, filed with the Securities and Exchange
Commission on December 15, 2000, and incorporated herein by reference.                                                                                                                                                                                                                                                                                                                                                   
|               | 
|4.5            |  | Form of Warrant issued by the Company to Syngenta Participations AG - filed as an exhibit to the Companys Current Report on Form 8-K, filed with the Securities and Exchange Commission on
January 6, 2003, and incorporated herein by reference.                                                                                                                                                                                                                                                                                                                                                             
|               | 
|4.6            |  | Registration Rights Agreement dated as of December 3, 2002 among Syngenta Participations AG, Torrey Mesa Research Institute, Syngenta Seeds AG and the Company - filed as an exhibit to the
Companys Current Report on Form 8-K, filed with the Securities and Exchange Commission on January 6, 2003, and incorporated herein by reference.                                                                                                                                                                                                                                                                  
|               | 
|4.7           |  | Registration Rights Agreement, dated as of July 18, 2003, by and between GlaxoGroup Limited and the Company - filed as an exhibit to the Companys Quarterly Report on Form 10-Q for the
quarter ended June 30, 2003, filed with the Securities and Exchange Commission on August 14, 2003, and incorporated herein by reference.                                                                                                                                                                                                                                                                              
|               | 
|4.8            |  | Second Amendment to Rights Agreement by and between the Company and American Stock Transfer and Trust Company, as Rights Agent, dated as of February 12, 2007 - filed as an exhibit to the
Companys Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 12, 2007, and incorporated herein by reference.                                                                                                                                                                                                                                                                 



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|     |  |                                                                                                                                                                                                                                                                                                                                                                                    
|---- |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|     | 
|4.9  |  | Reference is made to Exhibits 3.1, 3.2 and 3.5.                                                                                                                                                                                                                                                                                                                                    
|     | 
|4.10 |  | Indenture, dated March 28, 2007, between the Company and Wells Fargo Bank, National Association, a national banking association, as trustee, including Form of 5.50% Convertible Senior Note due
2027 - filed as an exhibit to the Companys Current Report on Form 8-K, filed with the Securities and Exchange Commission on March 28, 2007, and incorporated herein by reference.
|     | 
|4.11 |  | Registration Rights Agreement, dated March 28, 2007, among the Company and the Initial Purchasers identified therein - filed as an exhibit to the Companys Current Report on Form 8-K, filed
with the Securities and Exchange Commission on March 28, 2007, and incorporated herein by reference.                                                                                 
|     | 
|4.12 |  | Form of Common Stock Warrant Agreement and Warrant Certificate - filed as an exhibit to the Companys Registration Statement on Form S-3 (No. 333-147403) filed with the Securities and
Exchange Commission on November 15, 2007, and incorporated herein by reference.                                                                                                            
|     | 
|4.13 |  | Form of Preferred Stock Warrant Agreement and Warrant Certificate - filed as an exhibit to the Companys Registration Statement on Form S-3 (No. 333-147403) filed with the Securities and
Exchange Commission on November 15, 2007, and incorporated herein by reference.                                                                                                         
|     | 
|4.14 |  | Form of Debt Securities Warrant Agreement and Warrant Certificate - filed as an exhibit to the Companys Registration Statement on Form S-3 (No. 333-147403) filed with the Securities and
Exchange Commission on November 15, 2007, and incorporated herein by reference.                                                                                                         
|     | 
|4.15 |  | Senior Debt Indenture, dated November 14, 2007, between the Company and Wells Fargo Bank, National Association, a national banking association, as trustee - filed as an exhibit to the
Companys Registration Statement on Form S-3 (No. 333-147403) filed with the Securities and Exchange Commission on November 15, 2007, and incorporated herein by reference.                
|     | 
|4.16 |  | Subordinated Debt Indenture, dated November 14, 2007, between the Company and Wells Fargo Bank, National Association, a national banking association, as trustee - filed as an exhibit to the
Companys Registration Statement on Form S-3 (No. 333-147403) filed with the Securities and Exchange Commission on November 15, 2007, and incorporated herein by reference.          
|     | 
|4.17 |  | Form of Registration Rights Agreement  filed as an exhibit to the registrants Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 25, 2008, and
incorporated herein by reference.                                                                                                                                                          
|     | 
|4.18 |  | Form of Senior Convertible Note  filed as an exhibit to the registrants Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 25, 2008, and
incorporated herein by reference.                                                                                                                                                                
|     | 
|4.19 |  | Form of Warrant  filed as an exhibit to the registrants Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 25, 2008, and incorporated herein by
reference.                                                                                                                                                                                
|     | 
|10.1 |  | Form of Indemnity Agreement entered into between the Company and its directors and executive officers - filed as an exhibit to the registrants Current Report on Form 8-K, filed with the
Securities and Exchange Commission on November 7, 2007, and incorporated herein by reference.                                                                                           
|     | 
|10.2 |  | Fifth Amendment to Loan and Security Agreement dated as of February 22, 2008 by and between the Company and Comerica Bank - filed as an exhibit to the registrants Current Report on Form
8-K, filed with the Securities and Exchange Commission on February 27, 2008, and incorporated herein by reference.                                                                      
|     | 
|10.3 |  | Securities Purchase Agreement dated February 22, 2008, by and among the Company and the parties listed therein - filed as an exhibit to the registrants Current Report on Form 8-K, filed
with the Securities and Exchange Commission on February 25, 2008, and incorporated herein by reference.                                                                                 
|     | 
|10.4 |  | Senior Notes Exchange Agreement dated February 22, 2008, by and among the Company, Highbridge International, LLC and Highbridge Convertible Arbitrage Master Fund, L.P.  filed as an exhibit
to the registrants Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 25, 2008, and incorporated herein by reference.                        



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|     |  |                                                                                                                                                                                                                  
|---- |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|     | 
|10.5 |  | Upper Call Option Transaction  filed as an exhibit to the registrants Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 25, 2008, and
incorporated herein by reference.
|     | 
|10.6 |  | Lower Call Option Transaction  filed as an exhibit to the registrants Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 25, 2008, and
incorporated herein by reference.
|     | 
|31.1 |  | Certification of Chief Executive Officer pursuant to Rules 13a-14(a) and 15d-14(a) promulgated under the Securities and Exchange Act of 1934, as amended - filed herewith.                                       
|     | 
|31.2 |  | Certification of Chief Financial Officer pursuant to Rules 13a-14(a) and 15d-14(a) promulgated under the Securities and Exchange Act of 1934, as amended - filed herewith.                                       
|     | 
|32   |  | Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. - filed herewith.                 



| | Confidential treatment has been granted with respect to portions of this exhibit. A complete copy of the agreement, including the redacted terms, has been separately filed with the
Securities and Exchange Commission.
|- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to
be signed on its behalf by the undersigned thereunto duly authorized.



|                   |  |  |  |                                                                                   
|------------------ |  |  |  | ----------------------------------------------------------------------------------
|                   |  |  |  | VERENIUM CORPORATION                                                              
|                   |  | 
|Date: May 19, 2008 |  |  |  | /s/ JOHN A. MCCARTHY, JR.                                                         
|                   |  |  |  | John A. McCarthy, Jr.                                                             
|                   |  |  |  | Executive Vice President and Chief Financial Officer (Principal Financial Officer)



72