The following discussion and analysis of the financial condition and results of operations of GreenLight Biosciences Holdings PBC and its consolidated subsidiaries should be read together with the Company's unaudited condensed consolidated financial statements, together with the related notes thereto, included elsewhere in this Quarterly Report on Form 10-Q (this "Report") and the Company's audited consolidated financial statements, together with the related notes thereto (the "2021 Consolidated Financial Statements"), included as Exhibit 99.1 to the Company's Amendment No. 1 to Current Report on Form 8-K filed with the Securities and Exchange Commission on March 31, 2022 and the Company's audited consolidated financial statements, together with the related notes thereto (the "2021 Consolidated Financial Statements"), included as Exhibit 99.1 to Current Report on Form 8-K filed with the Securities and Exchange Commission on September 26, 2022. This discussion contains forward-looking statements that involve numerous risks and uncertainties, including, but not limited to, those described under the heading "Risk Factors" in Item 1A of Part II of this Report and Item IA of Part I of the Company's Annual Report for the year ended December 31, 2021. See "Cautionary Note Regarding Forward-Looking Statements" at the beginning of this Report. All references to years, unless otherwise noted, refer to the Company's fiscal years, which end on December 31. For purposes of this section, all references to "we," "us," "our," "New GreenLight" or the "Company" refer to GreenLight Biosciences Holdings PBC and its consolidated subsidiaries.

Overview

GreenLight Biosciences Holdings, PBC is a pre-commercial stage biotechnology company with a proprietary cell-free ribonucleic acid (RNA) production platform for the discovery, development, and commercialization of high-performing products to promote healthier plants, foods, and people. Our vision is to pave the way for a sustainable planet through widely available and affordable RNA products. We are developing RNA products for plant and life science applications to advance crop management, plant protection, animal health, vaccine development and pandemic preparation. We have a pipeline of product candidates across various stages of development.

Since our inception in 2008, we have devoted substantially all of our efforts and financial resources to conducting research and development activities for our programs, acquiring, in-licensing, and discovering product candidates, securing related intellectual property rights, raising capital, and organizing and staffing our company. We do not have any products approved for sale and have not generated any revenue from product sales. From our founding through September 30, 2022, we have funded our operations primarily through proceeds from the sale of our capital stock, the Business Combination (including the related PIPE financing), the Private Placement in August 2022, debt financings, the issuance of convertible notes and collaboration agreements.

In October 2022, we announced a corporate realignment to focus on key anticipated near-term value drivers and extend the Company's cash runway. With the realignment, the Company is seeking to improve its organizational structure through certain team integrations that are expected to allow the Company to more efficiently support its research, development and commercialization goals.

We have incurred significant operating losses since inception. Our ability to generate product revenue sufficient to achieve profitability will depend heavily on the successful development and eventual commercialization of one or more of our current or future product candidates. Our net losses were $128.3 million and $77.6 million for the nine months ended September 30, 2022 and 2021, respectively. As of September 30, 2022 and December 31, 2021 we had an accumulated deficit of $381.9 million and $253.6 million, respectively. Notwithstanding our recent corporate realignment, we expect to continue to incur significant expenses and operating losses as we pursue our remaining programs, particularly if and as we:

conduct field and clinical trials for our product candidates;

continue to develop additional product candidates;

maintain, expand, and protect our intellectual property portfolio;

hire additional and/or replacement clinical, scientific manufacturing and commercial personnel;

expand external and/or establish internal commercial manufacturing sources and secure supply chain capacity sufficient to provide commercial quantities of any product candidates for which we may obtain regulatory approval;

acquire or in-license other product candidates and technologies;

seek regulatory approvals for any product candidates that successfully complete field trials or clinical trials;

establish a sales, marketing, and distribution infrastructure to commercialize any products for which we may obtain regulatory approval; and

add operational, financial and management information systems and personnel to support our product development, clinical execution and planned future commercialization efforts, as well as to support our operations as a public company.



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As a result, we will need substantial additional funding to support our continuing operations and pursue our growth strategy. We expect to finance our operations through the sale of equity securities, debt financings or other capital sources, which may continue to include collaborations with other companies or other strategic transactions. The fundraising environment for early-stage biotechnology companies like ours is becoming increasingly challenging, and we may be unable to raise additional funds or enter into such other agreements or arrangements when needed on favorable terms, or at all. If we fail to raise sufficient capital or enter into such agreements or arrangements as and when needed, we may have to significantly delay, scale back, or discontinue the development and commercialization of one or more of our product candidates and delay or discontinue the pursuit of potential in-license or acquisition opportunities.

Because of the numerous risks and uncertainties associated with product development, we are unable to predict the timing or amount of increased expenses or when or if we will be able to achieve or maintain profitability. Even if we are able to generate product sales, we may not become profitable. If we fail to become profitable or are unable to sustain profitability on a continuing basis, then we may be unable to continue our operations at planned levels and be forced to further reduce or terminate our operations. The Company expects that its existing cash and cash equivalents of $98.4 million as of September 30, 2022 will last through the second quarter of 2023 but will not be sufficient to fund its operations for twelve months from the date these interim financial statements are issued. We are continuing to evaluate a range of additional opportunities to extend cash runway, including management of program spending, platform licensing collaborations and potential financing activities.

Macroeconomic Conditions

Economic uncertainty in various global markets, including the U.S. and Europe, caused by political instability and conflict and economic challenges caused by the ongoing COVID-19 pandemic, have led to market disruptions, including significant volatility in commodity prices, credit and capital market instability and supply chain interruptions, which have caused record inflation globally. In response to the ongoing global COVID-19 pandemic, we established a cross-functional task force and have implemented business continuity plans designed to address and mitigate the impact of the COVID-19 pandemic on our employees and our business. Our operations are considered an essential business and we have been allowed to continue operating under governmental restrictions during this period. We have taken measures to continue our research and development activities, while work in laboratories and facilities has been organized to reduce risk of COVID-19 transmission. The extent of the impact of the ongoing COVID-19 pandemic and current macroeconomic conditions, including changes in inflation, interest rates and overall economic conditions and uncertainties on our business, operations and product development timelines and plans remains uncertain, and will depend on certain developments, including the duration and spread of the outbreak and its impact on our field trial completion, clinical trial enrollment, trial sites, contract research organizations ("CROs"), contract manufacturing organizations ("CMOs"), and other third parties with whom we do business, as well as its impact on regulatory authorities and our key scientific and management personnel. While we are experiencing limited financial and operational impacts at this time, given the global economic slowdown, the overall disruption of global healthcare systems and the other risks and uncertainties associated with these macroeconomic conditions and the ongoing pandemic, our business, financial condition, and results of operations ultimately could be materially adversely affected. We continue to closely monitor the global economic and geopolitical conditions and the ongoing COVID-19 pandemic as we evolve our business continuity plans, clinical development plans and response strategy.



Recent Developments

Human Health Programs

Our ongoing focus remains on obtaining proof of concept of our technology platform with our COVID-19 vaccine program and our shingles vaccine program, each as further described below. Other potential product candidates in our human health pipeline are in early stages of pre-clinical research and development and have yet to reach the candidate selection phase. In order to achieve candidate selection phase for our other potential product candidates in our human health pipeline, we must successfully design and test the product candidates in animal models, achieve positive results, select the product candidates to progress to IND-enabling toxicology studies, develop chemistry, manufacturing, and controls protocols and create a development plan to discuss with applicable regulatory agencies as part of pre-submission consultations, and manufacture, fill and finish the vaccine candidate material.

COVID-19 Vaccine Program

Our COVID-19 vaccine candidate, GLB-COV-2-043, which is based on the original "Wuhan" strain of the SARS-CoV-2 virus, has successfully completed preclinical testing and we are pursuing approval to begin Phase I/II clinical trials. In April of 2022, we submitted a Clinical Trials Application, or CTA, with the South African Health Products Regulatory Authority, or SAHPRA for a phase I/II single-vaccination booster study. That application was rejected with the recommendation that the resubmission include more detail on the



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specific benefits of our testing efforts and a resulting vaccine will bring to South Africa considering the ready availability of other COVID-19 vaccines in that country. After further review and discussions with SAHPRA, we have decided not to amend or resubmit our CTA with SAHPRA in favor of identifying other countries in which to begin clinical trials and consider whether to do so in combination with a US-based Investigational New Drug, or IND, application with the FDA. Subject to our ability to identify a viable country and obtain applicable regulatory approvals, we are continuing to work towards initiating a Phase I/II clinical trial by the first half of 2023. We can offer no assurance that any clinical trial applications will be accepted by regulatory authorities.

Shingles Vaccine Program

Since March 2022, our Shingles vaccine program has progressed from the stage of concept evaluation to the stage of antigen design and pre-clinical evaluation in small animals. In March 2022 we granted Serum Institute of India Private Limited, or SIIPL, an exclusive license to use our proprietary technology platform to develop, manufacture and commercialize an mRNA Shingles product and up to two other mRNA products in all territories other than the United States, the 27 member states of the European Union, the United Kingdom, Australia, Japan, New Zealand, Canada, South Korea, China, Hong Kong, Macau, and Taiwan. Pursuant to our arrangement with SIIPL, we are performing the design and preclinical research work to develop a shingles vaccine candidate. Once a candidate is selected, SIIPL will undertake toxicology testing, clinical and manufacturing development, product registration and commercialization in the licensed regions. We currently anticipate that we will select a candidate in 2023 to enable SIIPL to commence clinical development thereafter.

Plant Health Programs

The success of our plant health product pipeline will depend on us inventing and bringing to market new uses of RNA in agriculture. Since our product candidates are first of a kind, we typically do not project the timing of a product candidate coming to market until Phase 3 of our development process when we draft a Federal Insectiside, Fungicide, and Rodenticide Act ("FIFRA") dossier for internal review. While we believe our projected timelines are reasonable, given that we are introducing new modes of action for pest control, it is difficult to predict when we will be able to obtain the regulatory approvals required for commercial sales and our expected timelines may be subject to change. Our initial experience with bringing RNA-based agricultural products to market were based on the conception, development and testing of Calantha and we continue to grow our development and regulatory experience as we develop RNA solutions to manage a range of target pests.

Colorado Potato Beetle Program

Calantha, our product candidate for the Colorado potato beetle (Leptinotarsa decemlineata), was submitted to the EPA for approval earlier this year. We are aiming to commercially launch Calantha in 2023, assuming we are able to obtain EPA and required state approvals by or before the first half of 2023 ahead of the following growing season.





Varroa Mite Program

We are in the process of preparing a registration for our Varroa mite product for submission to the EPA and are conducting studies necessary for that submission using the EPA's Guidance on Exposure and Effects Testing for Assessing Risks to Bees. The viscosity of our formulation makes it difficult for us to rely solely on Tier 1 toxicity study under the EPA guidance and we have therefore recently conducted and completed a Tier 2 toxicity study to enable us to better satisfy the data requirements in preparation for submission to the EPA. For the United States registration of our Varroa mite product, we expect to make our submission for approval under the FIFRA



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regulations in the first half of 2023. In certain foreign jurisdictions, including the European Union, we expect that we will be required to apply for authorization of our Varroa mite product as an animal health product under applicable veterinary medicine regulations.

Diamond Back Moth Program

We continue to adjust the formulation of our Diamond Back Moth candidate based on data from field testing and now target commercialization after 2026, subject to receipt of regulatory approval.

Botrytis Program

We continue to adjust the formulation of our Botrytis candidate based on data from field testing and now target commercialization after 2025, subject to receipt of regulatory approval.

Fusarium Head Blight Program

We are preparing to begin early field testing of our Fusarium product candidates and expect that we will need to complete 2 seasons of field testing given the importance of mycotoxin control for public health and have revised our timeline accordingly.

Business Combination and Public Company Costs

On August 9, 2021, the Company and Merger Sub entered into the Business Combination Agreement with GreenLight Biosciences, Inc. On February 2, 2022, the Business Combination was consummated, pursuant to which Merger Sub merged with and into GreenLight Biosciences, Inc., with GreenLight Biosciences, Inc. surviving the Merger as a wholly owned subsidiary of the Company. On February 2, 2022, in connection with the consummation of the Merger, the Company changed its name to GreenLight Biosciences Holdings, PBC and became a public benefit corporation.

Immediately before the closing of the Business Combination, the Company held approximately $207 million in a trust account for its public stockholders. In connection with the Business Combination, the Company's public stockholders redeemed shares of public common stock for $194.9 million, and the funds remaining after such redemptions became available to finance transaction expenses and the future operations of the Company. In connection with the Business Combination, the Company entered into agreements with new investors and existing investors in GreenLight Biosciences, Inc. to subscribe for and purchase an aggregate of approximately 12.4 million shares of the Company's Class A Common Stock (the "February 2022 PIPE Financing"). The February 2022 PIPE Financing was consummated on February 2, 2022 and resulted in gross proceeds of approximately $136.4 million (of which $35.3 million had been advanced to GreenLight Biosciences, Inc. by the Prepaying PIPE Investors).

The Merger was accounted for as a reverse recapitalization, whereby for accounting and financial reporting purposes, GreenLight Biosciences, Inc. was the acquirer. A reverse recapitalization does not result in a new basis of accounting, and the financial statements of the Company represent the continuation of the consolidated financial statements of GreenLight Biosciences, Inc. in many respects. The shares of the Company remaining after redemptions of shares of the Company's public common stock and the unrestricted net cash and cash equivalents on the date the Business Combination was consummated were accounted for as a capital infusion to GreenLight Biosciences, Inc.

The Company retroactively applied the recapitalization to the Company's equity structure, including the consolidated statement of stockholders' (deficit) equity from January 1, 2020 to December 31, 2021, the total stockholders' (deficit) equity within the Company's consolidated balance sheet as of December 31, 2021 and 2020, and the weighted average outstanding shares (basic and diluted) for the years ended December 31, 2021 and 2020. The retroactive application reflects the equivalent number of shares of the Company's common stock, $0.0001 par value per share, issued to GreenLight's stockholders in connection with the Business Combination at the applicable exchange ratio of .6656 (the "Exchange Ratio"). Additionally, GreenLight's convertible preferred stock previously classified as temporary equity was retroactively adjusted, converted into common stock and reclassified to permanent equity as a result of the reverse recapitalization.



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The most significant change in the Company's financial position and results of operations resulting from the consummation of the Business Combination (including the February 2022 PIPE Financing) was an estimated cash inflow (as compared to GreenLight Biosciences, Inc. balance sheet at December 31, 2021) of approximately $136.4 million, prior to payment of the transaction costs. Total direct and incremental transaction costs of $26.7 million were treated as a reduction of the cash proceeds with capital raising costs being deducted from GreenLight Biosciences, Inc.'s additional paid-in capital.

As a consequence of the Business Combination, GreenLight Biosciences, Inc. effectively became the successor to a publicly traded and Nasdaq-listed company, which required it to hire additional personnel and is requiring it to implement procedures and processes to address public company regulatory requirements and customary practices. The Company expects to incur additional annual expenses as a public company for, among other things, directors' and officers' liability insurance, director fees and additional internal and external accounting, legal and administrative resources, including increased audit and legal fees.

Financial Overview

Components of Our Results of Operations

Revenue

For the nine months ended September 30, 2022, we have not recognized any revenue from product sales. If our development efforts for our product candidates are successful and result in regulatory approval, or license agreements with third parties, we may generate revenue in the future from product sales or license agreements. However, there can be no assurance as to when we will generate such revenue, if at all.

License and Collaboration Revenue

Collaboration revenue is related to our collaboration agreement with Serum Institute of India Private Limited ("SIIPL") which was entered into in March 2022. For the three and nine months ended September 30, 2022, we recognized $1.7 million and $3.4 million, respectively of revenue primarily related to the delivery of IP and research services, which includes manufacturing technology transfer services.

Grant Revenue

In July 2020, we entered into a grant agreement with the Bill & Melinda Gates Foundation to advance research in in vivo gene therapy for sickle cell disease and to explore new, low-cost capabilities for the in vivo functional cure of sickle cell and/or durable suppression of HIV in developing countries. We were approved to receive a grant of $3.3 million in the aggregate. As of September 30, 2022, we had received the entire grant amount, of which $0.8 million was recorded as deferred revenue as of that date. The grant agreement provides for payments to reimburse qualifying costs, including general and administrative costs, incurred to perform our obligations under the agreement. Revenue from this grant agreement is recognized as the qualifying costs related to the grant are incurred, and any amounts received in excess of revenue recognized are initially recorded as deferred revenue on our condensed consolidated balance sheets and later recognized as revenue when qualified costs are incurred. The revenue recognized through September 30, 2022 under the grant was related to qualifying research and development expenditures that we incurred. The research supported by this grant is expected to be completed by the end of 2023.

Operating Expenses

Research and Development Expenses

Research and development expenses consist primarily of costs incurred for our research activities, including our discovery efforts and the development of our product candidates. We expense research and development costs as incurred. These expenses include:



Program expenses

external research and development expenses incurred under agreements with CMOs, CROs, universities and research laboratories that conduct our field trials, preclinical studies and development services;

costs related to manufacturing material for our field trials and preclinical studies;

laboratory supplies and research materials;

payments made in cash or equity securities under third-party licensing agreements and acquisition agreements;

costs to fulfill our obligations under the grant agreement with the Bill & Melinda Gates Foundation; and

costs related to compliance with regulatory requirements;



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Personnel expenses

employee-related expenses, including salaries, bonuses, benefits, stock-based compensation, and other related costs for employees involved in research and development efforts;



Facilities and other expenses

costs of outside consultants engaged in research and development functions, including their fees and travel expenses; and

facilities, depreciation, and other allocated expenses, which include direct and allocated expenses for rent, utilities, and insurance.

Costs for certain activities are recognized based on an evaluation of the progress to completion of specific tasks using data such as information provided to us by our vendors and analyzing the progress of our field trials and preclinical studies or other services performed.

This process involves reviewing open contracts and purchase orders, communicating with our personnel to identify services that have been performed on our behalf and estimating the level of service performed and the associated cost incurred for the service when we have not yet been invoiced or otherwise notified of actual costs. Nonrefundable advance payments for goods or services to be received in the future for use in research and development activities are recorded as prepaid expenses. Such amounts are recognized as an expense as the goods are delivered or the related services are performed, or until it is no longer expected that the goods will be delivered, or the services rendered.

Our direct research and development expenses are tracked on a program-by-program basis for our product candidates and consist primarily of external costs, such as fees paid to outside consultants, CROs, CMOs and research laboratories in connection with our pre-clinical development, field trials, process development, manufacturing, and clinical development activities. Our direct research and development expenses by program also include fees incurred under license, acquisition, and option agreements. We do not allocate costs associated with our discovery efforts, laboratory supplies, employee costs or facility expenses, including depreciation or other indirect costs, to specific programs because these costs are deployed across multiple programs and, as such, are not separately classified. We use internal resources primarily to conduct our research and discovery as well as for managing our pre-clinical development, field trials, process development, manufacturing, and clinical development activities.

General and Administrative Expenses

General and administrative expense consists primarily of employee-related costs, including salaries, bonuses, benefits, stock-based compensation, and other related costs. General and administrative expense also includes professional services, including legal, accounting and audit services, consulting fees and facility costs not otherwise included in research and development expenses, insurance, and other general administrative expenses.

We anticipate that our general and administrative expenses will increase commensurate with future commercialization of our products and expansion of research collaboration work. We also anticipate that we will incur significantly increased accounting, audit, legal, regulatory, compliance and director and officer insurance costs as well as investor and public relations expenses associated with operating as a public company.

Other (Expense) Income, Net

Other (expense) income, net consists of interest income, interest expense and any change in the fair value of our warrant liabilities.

Interest Income

Interest income consists of income earned in connection with our investments in money market funds.

Interest Expense

Interest expense consists of interest on outstanding borrowings under our loan agreements with Trinity Capital, Silicon Valley Bank and Horizon Technology Finance, our convertible debt and tenant improvement loans payable with our lessors. Interest expense also includes amortization of debt discount and debt issuance costs.



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Fair Value of Warrant Liabilities

Change in fair value of warrant liabilities consists of the remeasurement gains or losses associated with changes in the fair value of the warrant liabilities. Until settlement, fluctuations in the fair value of our warrant liabilities are based on the remeasurement at each reporting period.

Provision for Income Taxes

Our income tax provision consists of an estimate for U.S. federal, state and foreign income taxes based on enacted rates, as adjusted for allowable credits, deductions, uncertain tax positions, changes in deferred tax assets and liabilities and changes in tax law. The Company has a provision for income taxes for the three and nine months ended September 30, 2022, respectively related to the foreign withholding taxes on payments made by SIIPL, pursuant to the research and collaboration agreement. There is no provision for U.S. federal and state income taxes for the three and nine months ended September 30, 2022 and 2021, respectively, as we have historically incurred net operating losses, and expect to continue to generate net operating losses. Based on this history of net operating losses, we also maintain a full valuation allowance against our U.S. federal and state deferred tax assets.

Results of Operations

Comparison of the Three Months Ended September 30, 2022 and 2021

The following table summarizes our results of operations for the three months ended September 30, 2022 and 2021:



                                              THREE MONTHS ENDED
                                                 SEPTEMBER 30,           INCREASE /
Dollars (in thousands)                        2022          2021         (DECREASE)
License and collaboration revenue           $   1,689     $       -     $      1,689
Grant revenue                                      43           362             (319 )
Total revenue                                   1,732           362            1,370
Operating expenses:
Research and development                       29,944        22,661            7,283
General and administrative                      8,025         5,112            2,913
Total operating expenses                       37,969        27,773           10,196
Loss from operations                          (36,237 )     (27,411 )         (8,826 )
Other expenses:
Interest income                                   240             4              236
Interest and other expense                     (1,069 )        (631 )           (438 )
Change in fair value of warrant liability           -        (1,143 )          1,143
Total other income (expense), net                (829 )      (1,770 )            941
Net loss before income tax                    (37,066 )     (29,181 )         (7,885 )
Income tax expense                              1,092             -            1,092
Net loss                                    $ (38,158 )   $ (29,181 )   $     (8,977 )

License and Collaboration Revenue

For the three months ended September 30, 2022, we recognized $1.7 million of revenue from our license and collaboration agreement with SIIPL primarily related to the delivery of IP and research services, which includes manufacturing technology transfer services. Because the license and collaboration agreement was executed in March 2022, we did not recognize any revenue under this agreement for the three months ended September 30, 2021.

Grant Revenue

Grant revenue was $43 thousand for the three months ended September 30, 2022, compared to grant revenue of $0.4 million for the three months ended September 30, 2021. All of our grant revenue is derived from a grant made by the Bill & Melinda Gates Foundation in July 2020. The decrease in grant revenue is due to a decrease of costs incurred under this grant.



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Research and Development Expenses



                                            THREE MONTHS ENDED
                                               SEPTEMBER 30,           INCREASE /
Dollars (in thousands)                       2022          2021        (DECREASE)
Program expense                           $   11,043     $  8,593     $      2,450
Personnel costs                               11,416        9,407            2,009
Other                                          7,485        4,661            2,824

Total research and development expenses $ 29,944 $ 22,661 $ 7,283

Research and development expense was $29.9 million for the three months ended September 30, 2022, compared to $22.7 million for the three months ended September 30, 2021. The increase of $7.2 million resulted primarily from increased program costs of $2.5 million related to R&D materials and service fees supporting the commercial-scale engineering run, pre-clinical trial activities and personnel expenses, as well as facilities costs such as rent and depreciation expenses.

Our headcount supporting research and development activities increased, which generated additional personnel-related costs of $2.0 million. Other research and development costs increased by approximately $2.8 million, primarily related to a $1.7 million increase in rental expense as we expanded our footprints and entered into multiple leases during 2021 and 2022, and an increase of $0.4 million in depreciation expense due to an increase in capitalized expenditures for lab equipment and lab space leasehold improvements.

General and Administrative Expenses

General and administrative expense was $8.0 million for the three months ended September 30, 2022, compared to $5.1 million for the three months ended September 30, 2021. The increase of $2.9 million was primarily due to an increase of $0.5 million in personnel-related costs in general and administrative functions, which resulted from increased headcount supporting general and administrative activities; a $1.5 million increase in professional services fees associated with being a publicly traded company; and an increase of $0.9 million related to facilities and other administrative expenses as we expanded our footprints and entered into multiple leases during 2021 and 2022.

Interest Income

For the three months ended September 30, 2022, interest income increased by $0.2 million compared to the three months ended September 30, 2021. This increase in our interest income was driven by an increase in our cash and cash equivalents due to capital raises in 2022 and an increase in the interest rate yield on our cash and cash equivalents.

Interest and Other Expense

Interest and other expense was $1.1 million for the three months ended September 30, 2022, compared to $0.6 million for the three months ended September 30, 2021. The increase of $0.5 million is primarily related to interest accrued on the various loan agreements we entered into during the second half of 2021 as well as an increase in interest rates on our variable rate debt.

Change in Fair Value of Warrant Liabilities

There was no change in fair value of warrant liabilities for the three months ended September 30, 2022 compared to an expense of $1.1 million for the three months ended September 30, 2021. The entire decrease of $1.1 million in the fair value of our warrant liabilities was due to the decrease in the fair value of the private placement warrants.



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Results of Operations

Comparison of the Nine Months Ended September 30, 2022 and 2021

The following table summarizes our results of operations for the nine months ended September 30, 2022 and 2021:




                                               NINE MONTHS ENDED
                                                 SEPTEMBER 30,            INCREASE /
Dollars (in thousands)                         2022          2021         (DECREASE)
License and collaboration revenue           $    3,437     $       -     $      3,437
Grant revenue                                      320         1,180             (860 )
Total revenue                                    3,757         1,180            2,577
Operating expenses:
Research and development                       101,376        62,081           39,295
General and administrative                      27,357        13,943           13,414
Total operating expenses                       128,733        76,024           52,709
Loss from operations                          (124,976 )     (74,844 )        (50,132 )
Other expenses:
Interest income                                    301            20              281
Interest and other expense                      (3,480 )      (1,471 )         (2,009 )
Change in fair value of warrant liability          956        (1,343 )          2,299
Total other expense, net                        (2,223 )      (2,794 )            571
Net loss before income tax                    (127,199 )     (77,638 )        (49,561 )
Income tax expense                               1,092             -            1,092
Net loss                                    $ (128,291 )   $ (77,638 )   $    (50,653 )

License and Collaboration Revenue

For the nine months ended September 30, 2022, we recognized $3.4 million of revenue from our license and collaboration agreement with SIIPL primarily related to the delivery of IP and research services, which includes manufacturing technology transfer services. Because the license and collaboration agreement was executed in March 2022, we did not recognize any revenue under this agreement for the nine months ended September 30, 2021.

Grant Revenue

Grant revenue was $0.3 million for the nine months ended September 30, 2022, compared to grant revenue of $1.2 million for the nine months ended September 30, 2021. All of our grant revenue is derived from a grant made by the Bill & Melinda Gates Foundation in July 2020. The decrease in grant revenue is due to a decrease of costs incurred under this grant.

Research and Development Expenses



                                            NINE MONTHS ENDED
                                              SEPTEMBER 30,           INCREASE /
Dollars (in thousands)                      2022          2021        (DECREASE)
Program expense                           $  42,706     $ 25,671     $     17,035
Personnel costs                              37,543       24,924           12,619
Other                                        21,127       11,486            9,641

Total research and development expenses $ 101,376 $ 62,081 $ 39,295

Research and development expense was $101.4 million for the nine months ended September 30, 2022, compared to $62.1 million for the nine months ended September 30, 2021. The increase of $39.3 million resulted primarily from increased program costs related to commercial-scale engineering run, specifically costs of approximately $15.0 million related to R&D materials and service fees supporting the commercial-scale engineering run, pre-clinical trial activities and personnel expenses, as well as facilities costs such as rent and depreciation expenses.

Our headcount supporting research and development activities increased, which generated additional personnel-related costs of $12.6 million. Other research and development costs increased by approximately $9.6 million, primarily related to a $6.0 million increase



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in rental expense as we expanded our footprints and entered into multiple leases during 2021 and 2022, and an increase of $2.0 million in depreciation expense due to an increase in capitalized expenditures for lab equipment and lab space leasehold improvements.

General and Administrative Expenses

General and administrative expense was $27.4 million for the nine months ended September 30, 2022, compared to $13.9 million for the nine months ended September 30, 2021. The increase of $13.5 million was primarily due to an increase of $4.6 million in personnel-related costs in general and administrative functions, which resulted from increased headcount supporting general and administrative activities; a $4.6 million increase in professional services fees to support the Business Combination Agreement and costs associated with being a publicly traded company; and an increase of $4.2 million related to facilities and other administrative expenses as we expanded our footprints and entered into multiple leases during 2021 and 2022.

Interest Income

For the nine months ended September 30, 2022, interest income increased by $0.3 million compared to the nine months ended September 30, 2021. This increase in our interest income was driven by an increase in our cash and cash equivalents due to capital raises in 2022 and an increase in the interest rate yield on our cash and cash equivalents.

Interest and Other Expense

Interest and other expense was $3.5 million for the nine months ended September 30, 2022, compared to $1.5 million for the nine months ended September 30, 2021. The increase of $2.0 million is primarily related to interest accrued on the various loan agreements we entered into during the second half of 2021 as well as an increase in interest rates on our variable rate debt.

Change in Fair Value of Warrant Liabilities

Other income attributable to the change in fair value of warrant liabilities was $1.0 million for the nine months ended September 30, 2022, compared to an expense of $1.3 million for the nine months ended September 30, 2021. The entire decrease of $2.3 million in the fair value of our warrant liabilities was due to the decrease in the fair value of the private placement warrants.

Liquidity and Capital Resources

Sources of Liquidity

Since our inception, we have generated recurring net losses. We do not have any products approved for sale and have not yet commercialized any product. Since our inception, we have funded our operations primarily through proceeds from the issuance of capital stock and to a lesser extent through debt financings, the issuance of convertible notes and collaboration agreements. From our founding through September 30, 2022, we have raised proceeds from the sale of our capital stock, the Business Combination (including the related PIPE financing), the August 2022 PIPE Financing, and from the issuance of debt and convertible notes. As of September 30, 2022, we had cash and cash equivalents of $98.4 million.

Private Placement and Securities Subscription Agreement

On August 11, 2022, we entered into Securities Subscription Agreements (the "August 2022 PIPE Subscription Agreements") with certain institutional accredited investors (collectively, the "August 2022 PIPE Investors"), providing for the sale by us of 27,640,301 shares (the "August 2022 PIPE Shares") of our common stock (the "Common Stock") at a purchase price of $3.92 per share, in a private placement (the "August 2022 PIPE Financing"). The August 2022 PIPE Shares were issued (the "Closing") simultaneously with the execution and delivery of the August 2022 PIPE Subscription Agreements. The aggregate gross proceeds for the Private Placement were approximately $108.3 million. The gross proceeds do not reflect transaction costs of $2.3 million. We intend to use the net proceeds from the August 2022 PIPE Financing to fund ongoing clinical development and commercialization of our existing product pipeline.

Business Combination and PIPE Financing

In February 2022, we consummated the Business Combination with ENVI, which generated gross proceeds to New GreenLight of approximately $136.4 million, including $124.3 million from the PIPE Financing and $12.1 million from the trust account (after redemptions). The gross proceeds do not reflect transaction costs of $26.7 million. For more information, see "-Recent Developments-Business Combination and Public Company Costs" above.



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Horizon Loan Agreement

In December 2021, we entered into a loan and security agreement with Horizon Technology Finance Corporation and Powerscourt Investments XXV, LP (together, "Horizon"), which provided for a term loan facility in an aggregate principal amount of up to $25.0 million, $15.0 million of which was borrowed at the closing and the remainder of which may be borrowed following the achievement of certain milestones, but not after June 30, 2022. As of June 30, 2022, we had not borrowed, and could no longer borrow the remainder of the term loan. Under the agreement, in January 2022 the lenders were granted 10-year warrants to purchase shares of common stock of GreenLight. The warrants are exercisable in the aggregate for a number of shares equal to 3% of the total term loan facility (assuming we borrow the full facility amount of $25.0 million) divided by the exercise price of the warrants. Upon the closing of the Business Combination, the warrants became warrants to purchase shares of New GreenLight Common Stock based on the exchange ratio under the Business Combination Agreement.

Accrued interest is payable monthly. Under the terms of our agreement, this loan accrues interest at a floating rate per annum equal to one-month prime rate as reported in the Wall Street Journal on a date that is 5 business days prior to the funding date of the Loan plus 5.75%. The principal of each term loan must be repaid in equal monthly installments beginning February 1, 2023 (or August 1, 2023 if we borrow any of the remaining $10.0 million), with a scheduled final maturity date of July 1, 2025. We may prepay the term loans in full, but not in part, without premium or penalty, other than a premium equal to (i) 3% of the principal amount of any prepayment made within 12 months after the applicable funding date, (ii) 2% of the principal amount of any prepayment made between 12 and 24 months after the applicable funding date and (iii) 1% of the principal amount of any prepayment made more than 24 months after the applicable funding date. On the earlier of the scheduled final maturity date and the prepayment in full of the term loans, we must pay a final payment fee equal to 3.0% of the original principal amount of the funded term loans.

The agreement contains customary affirmative and negative covenants (including an obligation to maintain certain amounts of cash in accounts subject to springing control in favor of the lenders) and customary events of default; it does not contain a financial covenant. We granted a second-priority, perfected security interest in substantially all of our present and future personal property and assets, excluding intellectual property, to secure our obligations to the lenders, which security interest is subordinated to the security interest granted to Silicon Valley Bank.

In April 2021, we entered into a joinder agreement with Horizon pursuant to which the Company became a party to the Horizon loan agreements as a co-borrower. Under the joinder agreement, the Company also granted Horizon a continuing security interest in its existing and after-acquired personal property and assets, excluding intellectual property.

Silicon Valley Bank Loan Agreement

In September 2021, we entered into a loan and security agreement with Silicon Valley Bank, or SVB, providing for a term loan facility in an aggregate principal amount of up to $15.0 million, $10.0 million of which we borrowed at the closing and the remainder of which we may borrow following the achievement of certain milestones, but not after March 31, 2022. We did not borrow any additional amounts from SVB before March 31, 2022. At the closing, we granted SVB a 10-year warrant to purchase up to 34,427 shares of GreenLight Common Stock (assuming we borrow the entire $15.0 million from SVB and giving effect to the reverse recapitalization). Upon the closing of the Business Combination, the warrants became warrants to purchase shares of New GreenLight Common Stock based on the exchange ratio under the Business Combination Agreement.

Accrued interest is payable monthly. Under the terms of our agreement, this loan accrues interest at a floating rate per annum equal to the greater of (i) three and one half of one percent (3.50%) and (ii) the prime rate (as stated in the Wall Street Journal) plus the prime rate margin of one quarter of one percent (0.25%). The principal of each term loan must be repaid in equal monthly installments beginning April 1, 2022 (or October 1, 2022, if the Company borrows any of the remaining $5.0 million), with a scheduled final maturity date of September 1, 2024. On the earlier of the scheduled final maturity date and the prepayment in full of the term loans, the Company must pay a final payment fee equal to 4.0% of the original principal amount of the term loans. The Company may prepay the term loans in increments of $5.0 million and without premium or penalty, other than a premium equal to (i) with respect to any prepayment made on or before September 22, 2022, 3% of the principal so prepaid, (ii) with respect to any prepayment made after September 22, 2022 and on or before September 22, 2023, 2% of the principal so prepaid and (iii) with respect to any prepayment made after September 22, 2023 and on or before September 1, 2024, 1% of the principal so prepaid.

The loan and security agreement with SVB contains customary affirmative and negative covenants (including an obligation to maintain cash in accounts at SVB sufficient to repay all loan obligations) and customary events of default; it does not contain a financial covenant. We granted a first-priority, perfected security interest in substantially all of our present and future personal property and assets, excluding intellectual property, to secure our obligations to SVB.



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In April 2021, we entered into a joinder agreement and first amendment to loan and security agreement with SVB pursuant to which the Company became a party to the SVB loan agreements as a borrower. Under these agreements, the Company also granted SVB a continuing security interest in its existing and after-acquired personal property and assets, excluding intellectual property. These agreements also amended certain terms of the original SVB loan agreement to, among other things, add representations, affirmative and negative covenants, and events of default regarding the Company's obligations as a public benefit corporation. Under the amended terms, it is an event of default for there to be any pending or threatened litigation by a shareholder alleging that we or our directors failed to satisfy any obligations under Delaware law regarding our status as a public benefit corporation, if the litigation is likely to result in a final monetary judgment against us in excess of $250,000. In addition, if any action, investigation, or proceeding is pending or known to be threatened in writing against us with respect to such a claim, the bank may not need to make further loans to us.

Trinity Capital Equipment Financing Agreement

In March 2021, we entered into a master equipment financing agreement with Trinity Capital (Trinity) authorizing equipment financing with an aggregate borrowing capacity of $11.3 million, with up to $5.0 million available immediately and the remaining principal balance available to be drawn before September 2021. We entered into this loan to finance our capital purchases associated primarily with our research and manufacturing programs. The monthly payment factors for each draw are determined by Trinity based on the Prime Rate reported in the Wall Street Journal on the first day of the month in which an equipment financing schedule for such draw is executed. As of December 31, 2021, the Company had drawn the entire $11.3 million, which is repayable in monthly installments starting April 2021.

Funding Future Operations; Going Concern

The Company estimates that its existing cash and cash equivalents of $98.4 million as of September 30, 2022 will last through the second quarter of 2023 but will not be sufficient to fund its operations for twelve months from the date these interim financial statements are issued. As a result, there is substantial doubt about our ability to continue as a going concern for at least one year from the date of issuance of these financial statements, as discussed in Note 1 - Nature of Business and Basis of Presentation of the notes to our condensed consolidated financial statements as of September 30, 2022 and for the three and nine months ended September 30, 2022 and 2021, included elsewhere herein.

Based on our existing cash and cash equivalents, we are evaluating a range of opportunities to extend cash runway, including management of program spending, platform licensing collaborations and potential financing activities.

We expect to incur significant expenses and operating losses for the foreseeable future as we advance our product candidates through preclinical and clinical development and field trials, seek regulatory approval, and pursue commercialization of any approved product candidates. We anticipate that our general and administrative expenses will increase commensurate with future commercialization of our products and expansion of research collaboration work. In addition, in light of the completion of the Business Combination, we expect to incur continuing costs associated with operating as a public company. Because of the numerous risks and uncertainties associated with research, development, and commercialization of our product candidates, we are unable to estimate the exact amount of our working capital requirements. Our future capital requirements will depend on many factors, including:

the design, initiation, timing, costs, progress, and results of our planned clinical trials and field trials;

the progress of preclinical development and possible clinical trials of our current and future earlier- stage programs;

the scope, progress, results and costs of our research programs and preclinical development of any additional product candidates that we may pursue;

the development requirements of other product candidates that we may pursue;

our headcount and associated costs and establish a commercial infrastructure;

the timing and amount of milestone and royalty payments that we are required to make or eligible to receive under our current or future collaboration and license agreements;

the outcome, timing and cost of meeting regulatory requirements established by the FDA, EPA and other regulatory authorities;

the costs and timing of future commercialization activities, including product manufacturing, marketing, sales and distribution, for any of our product candidates for which we receive marketing approval;

the cost of expanding, maintaining, and enforcing our intellectual property portfolio, including filing, prosecuting, defending, and enforcing our patent claims and other intellectual property rights;



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the cost of defending potential intellectual property disputes, including patent infringement actions brought by third parties against us or any of our product candidates;

the effect of competing technological and market developments;

the cost and timing of completion of commercial-scale manufacturing activities;

the extent to which we partner our programs, acquire or in-license other product candidates and technologies or enter into additional collaborations;

the revenue, if any, received from commercial sales of any future product candidates for which we receive marketing approval; and

the costs of operating as a public company.

Until we can generate product revenues to support our cost structure, if any, we expect to finance our cash needs through a combination of equity offerings, debt financings, collaborations, and other similar arrangements. To the extent that we raise additional capital through the sale of equity or convertible securities, the ownership interest of our stockholders will be or could be diluted, and the terms of these securities may include liquidation, dividend, redemption, and other preferences that adversely affect the rights of our common stockholders. Debt financing and equity financing, if available, may involve agreements that include covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital expenditures, or declaring dividends. If we raise funds through collaborations, or other similar arrangements with third parties, we may have to relinquish valuable rights to our technologies, future revenue streams, research programs or product candidates or grant licenses on terms that may not be favorable to us and/or may reduce the value of our common stock. If we are unable to raise additional funds through equity or debt financings when needed, we may be required to delay, limit, reduce or terminate our product development or future commercialization efforts or grant rights to develop and market our product candidates even if we would otherwise prefer to develop and market such product candidates ourselves.

Cash Flows

The following table summarizes our cash flows for each of the periods presented:



                                                        NINE MONTHS ENDED
                                                          SEPTEMBER 30,            INCREASE /
                                                       2022           2021         (DECREASE)
Net cash (used in) operating activities             $ (112,142 )   $  (67,241 )   $    (44,901 )
Net cash (used in) investing activities                (22,907 )      (11,362 )        (11,545 )
Net cash provided by financing activities              202,915         18,376          184,539

Net increase (decrease) in cash, cash equivalents


  and restricted cash                               $   67,866     $  (60,227 )   $    128,093




Operating Activities

Cash flows from operating activities represent the cash receipts and disbursements related to all our activities other than investing and financing activities. Operating cash flow is derived by adjusting our net loss for non-cash operating items such as depreciation, amortization, and stock-based compensation as well as changes in operating assets and liabilities, which reflect timing differences between the receipt and payment of cash associated with transactions and when they are recognized in our results of operations.

During the nine months ended September 30, 2022, operating activities used $112.1 million of cash, primarily resulting from our net loss of $128.3 million, adjusted for non-cash items and the effect of changes in operating assets and liabilities. Non-cash adjustments primarily include stock-based compensation expense of $6.5 million and depreciation and amortization expense of $5.9 million offset by a change in the fair value of our warrant liabilities of $1.0 million. Net cash used by changes in our operating assets and liabilities consisted primarily of a $4.0 million decrease in accounts payable, an increase of $8.2 million in accrued expenses and other liabilities, a $9.0 million increase in prepaid expenses and other current assets, partially offset by an increase in deferred revenue of $6.4 million. The decrease in accounts payable is related to timing of vendor invoicing and payments. The increase in accrued expenses and prepaid expenses and other assets was due to our increased level of research collaborations and manufacturing development activities related to our product candidates.

During the nine months ended September 30, 2021, net cash used in operating activities was $67.2 million. Net cash used in operating activities consists of net loss of $77.6 million, adjusted for non-cash items and the effect of changes in operating assets and liabilities. Non-cash adjustments primarily include depreciation and amortization expense of $3.7 million, stock-based compensation of



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$1.3 million, non-cash interest expense of $0.7 million and change in fair value warrant liability of $1.3 million. Net cash provided by changes in our operating assets and liabilities primarily consisted of a $4.3 million increase in accounts payable and other current liabilities partially offset by a $0.9 million increase in prepaid expenses and other current assets. The increase in accounts payable and other assets was related to timing of vendor invoicing and payments. The increase in prepaid expenses and other current assets was primarily due to our increased level of research collaborations and manufacturing development activities related to our product candidates.

Investing Activities

During the nine months ended September 30, 2022, investing activities used $22.9 million of cash, consisting primarily of purchases of property and equipment, of which a substantial majority related to laboratory and facilities improvements in Durham, North Carolina and Lexington, Massachusetts as well as purchases of laboratory equipment and facilities improvements for our manufacturing facility in Rochester, New York.

During the nine months ended September 30, 2021, investing activities used $11.4 million of cash consisting of purchases of property and equipment, of which a substantial majority related to purchases of laboratory equipment and facilities improvements for our manufacturing facility in Rochester, New York and laboratory construction in our facility in Woburn, Massachusetts.

Financing Activities

During the nine months ended September 30, 2022, financing activities provided $202.9 million of cash, consisting primarily of $106.1 million of net proceeds raised in the August 2022 PIPE financing, $78.5 million of net proceeds from the Business Combination, net of transaction costs, $21.8 million in proceeds from issuance of convertible debt from PIPE Investors, and $1.2 million of proceeds from the exercise of public warrants, which were partially offset by $5.4 million of repayments on our secured debt, term loan payable, tenant improvement allowance and capital lease obligations.

During the nine months ended September 30, 2021, financing activities provided $18.4 million of cash, consisting primarily of $10.4 million of net proceeds from a new secured debt agreement, $10.0 million of net proceeds from a term loan and $0.1 million of proceeds from the exercise of options, partially offset by $1.6 million of repayments on our secured debt and capital lease obligations and $0.5 million of payments related to financing costs incurred on the business combination.

Contractual Obligations and Commitments

Operating Lease Obligations

We have non-cancelable operating lease obligations, consisting primarily of lease payment obligations for our facilities, including our headquarters in Medford, Massachusetts; office, laboratory and greenhouse space in Durham, North Carolina; laboratory and office space in Woburn, Massachusetts; office and laboratory space in Lexington, Massachusetts, and our manufacturing facilities in Rochester, New York. The leases for these facilities expire on various dates through 2026, unless extended.

In March 2022, the Company entered into a lease for new office, laboratory and clean room space in Lexington, Massachusetts, which commenced in May 2022. The lease term expires in July 2033. The base rent for this lease is $3.9 million per year, subject to a 3% increase each year.

In June 2022, we terminated our lease for manufacturing clean rooms in Burlington, Massachusetts.

See Note 16, Commitments and Contingencies - Operating Leases, of the notes to our condensed consolidated financial statements for the nine months ended September 30, 2022 and 2021, for further information on our operating lease obligations.

Purchase Obligations

In the normal course of business, we enter into contracts with third parties for field trials, preclinical studies and research and development supplies. These contracts generally do not contain minimum purchase commitments and provide for termination on notice, and therefore are cancellable contracts.

License Agreement Obligations

In December 2020, we entered into an assignment and license agreement with Bayer CropScience LLP ("Bayer") under which we may be obligated to make milestone and royalty payments. These payment obligations are contingent upon future events, such as achieving certain development, regulatory, and commercial milestones or generating product sales. The timing of these events is



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uncertain; accordingly, we cannot predict the period during which these payments may become due. We have agreed to pay up to $2.0 million in milestone payments under this assignment and license agreement when certain development milestones are met. The Company assessed the milestones for the three and nine months ended September 30, 2022 and concluded no such milestone payments were deemed probable nor due.

In August 2020, we entered into a license agreement with Acuitas Therapeutics, Inc. ("Acuitas") under which we are obligated to make potential milestone payments, royalty payments, or both. These payment obligations are contingent upon future events, such as achieving certain clinical and regulatory milestones and generating product sales. Such payments are dependent upon the development of products using the intellectual property licensed under the agreements and are contingent upon the occurrence of future events. The potential clinical and regulatory milestone payments that Acuitas is entitled to receive is in the low double-digit millions for the first option exercised. With respect to the sale of each licensed products, the Company is also obligated to pay Acuitas royalties in the low single digit percentages on net sales of the licensed products by the Company and its affiliates and sublicensees in a given country until the last to occur, in such country, of (i) the expiration or abandonment of all licensed patent rights covering the licensed product, (ii) expiration of any regulatory exclusivity for the licensed product, or (iii) ten years from the first commercial sale of the licensed product. For the three and nine months ended September 30, 2022, none of these events were deemed probable and hence no expenses were recorded.

Debt Obligations

See Note 10, Debt, of the notes to our condensed consolidated financial statements included elsewhere in this filing for further information on our future debt repayment obligations.

Manufacturing Commitments and Obligations

In November 2021, we engaged Samsung Biologics Co., Ltd. ("Samsung") as a contract development and manufacturing organization for scale up and commercial scale production of our mRNA COVID-19 vaccine pursuant to a Master Services Agreement and a Product Specific Agreement with Samsung (collectively, the "Samsung Agreements"). Pursuant to the Samsung Agreements, we must, among other things, (a) pay Samsung service fees for its pharmaceutical development and manufacturing services, (b) purchase certain minimum quantities of drug products, and (c) pay Samsung, on a minimum take-or-pay basis for each year under the agreement, for our minimum purchase commitments, as determined under the terms of the Samsung Agreements. Based on our minimum purchase commitments, we expect to pay Samsung a minimum of approximately $11.5 million in service fees under the Samsung Agreements, excluding the cost of raw materials. For the nine months ended September 30, 2022, the Company has incurred approximately $5.7 million in costs under this service agreement. Based on our current schedule, we expect to incur approximately $0.7 million of these expenses in the fourth quarter of 2022 and the remainder in 2023.

Critical Accounting Policies and Significant Judgments and Estimates

Our condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States. The preparation of these condensed consolidated financial statements requires us to make judgments and estimates that affect the reported amounts of assets, liabilities, revenues and expenses, and the disclosure of contingent assets and liabilities in our financial statements. We base our estimates on historical experience, known trends and events and various other factors that we believe are 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. Our actual results may differ from these estimates under different assumptions or conditions. On a recurring basis, we evaluate our judgments and estimates in light of changes in circumstances, facts, and experience. The effects of material revisions in an estimate, if any, will be reflected in the condensed consolidated financial statements prospectively from the date of the change in the estimate.

We believe that the following accounting policies are those most critical to the judgments and estimates used in the preparation of our financial statements.

Revenue Recognition

Contract Revenue

In March 2022, the Company entered into a License Agreement (the "Agreement") with Serum Institute of India Private Limited ("SIIPL"), pursuant to which the Company granted SIIPL an exclusive, sub-licensable, royalty-bearing license to use the Company's proprietary technology platform to develop, manufacture and commercialize up to three mRNA products in all territories other than the United States, the 27 member states of the European Union, the United Kingdom, Australia, Japan, New Zealand, Canada, South Korea, China, Hong Kong, Macau, and Taiwan (the "SIIPL Territory"). The first licensed product target will be a shingles product target, and



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SIIPL has an option to select the additional two licensed product targets through the end of 2024. Under the terms of the Agreement with SIIPL, the Company will provide research search services related to the shingles product target to develop a "proof of concept" and will provide manufacturing technology transfer services. In addition, GreenLight retains the option to purchase research and clinical trial data, developed by SIIPL, for 50% of the cost of the research studies and clinical trials for use in the Company's own development.

SIIPL is responsible for the development, formulation, filling and finishing, registration and commercialization of the products in the SIIPL Territory, subject to oversight from a joint steering committee composed of representatives of the Company and SIIPL. SIIPL will use commercially reasonable efforts to develop and obtain regulatory approval for the products in the countries in the SIIPL Territory. The License Agreement includes terms customary in the industry for provisions related to sublicensing, intellectual property, and termination, and customary representations and warranties of GreenLight and SIIPL, along with certain customary covenants, including confidentiality, limitation of liability and indemnity provisions.

Pursuant to the License Agreement, SIIPL will pay the Company an upfront license fee of $5.0 million, as well as payments upon additional target selection and reservation of exclusivity. The Company may receive up to a total of an additional $17.0 million in development, regulatory and commercial (net sales) based milestone payments across all three product targets, as well as manufacturing technology transfer payments up to $10.0 million. SIIPL shall pay royalty payments in the mid-double digits, based on the net sales of products resulting from the licensed technology for the term of the License Agreement. The License Agreement shall terminate on a product-by-product and country-by-country basis on the later of the expiration of the patent rights owned by the Company or the tenth anniversary of the first commercial sale of the applicable product(s) in the applicable country.

The Company has determined that the Agreement falls within the scope of ASC 606, Revenue Recognition, ("ASC 606") as it includes a customer-vendor relationship as defined by ASC 606 and thus represents a contract with a customer. The Company has determined that the license of IP granted is not distinct from the research services, which includes manufacturing technology transfer services, and thus should be combined. The Agreement contains a single performance obligation for the combined License of IP and research services. Revenue from the contract will be recognized over time, using an input-method based on labor costs as a percentage of total expected labor costs. The Company has determined that variable consideration from the development and regulatory payments, as well as the $5.0 million of the manufacturing technology transfer payment, in the Agreement should be fully constrained as of September 30, 2022, and commercial milestones and royalties will be recognized in the period the underlying sales occur. For the three and nine months ended September 30, 2022, $1.7 million and $3.4 million had been recorded from the Agreement and the remaining amount of billed and unconstrained consideration is recorded as deferred revenue. Based on current estimated timelines, the Company expects to recognize the deferred revenue over approximately 12 months and is classified as current in the condensed consolidated balance sheets as of September 30, 2022.

Grant Revenue

In July 2020, we entered into a grant agreement with the Bill & Melinda Gates Foundation to advance research in in vivo gene therapy for sickle cell disease and to explore new, low-cost capabilities for the in vivo functional cure of sickle cell and/or durable suppression of HIV in developing countries. The grant agreement provides for payments to reimburse qualifying costs, including, general and administrative costs. As we are performing services under the agreement that are consistent with the Company's ongoing central activities and we have determined that we are the principal in the agreement, we recognize grant revenue as we perform services under this agreement when the funding is committed, which occurs as underlying costs are incurred. Revenues and related expenses are presented gross in the condensed consolidated statement of operations as we have determined that we are the primary obligor under the agreement relative to the research and development services we perform as the lead technical expert.

Stock-Based Compensation

We measure stock-based awards granted to employees, non-employees and directors based on their fair value on the date of the grant using the Black-Scholes option-pricing model for options and the fair value of our common stock for restricted common stock awards. Compensation expense for those awards is recognized over the requisite service period, which is generally the vesting period of the respective award for employees and directors and the period during which services are performed for non-employees. We use the straight-line method to record the expense of awards with service-based vesting conditions. We recognize stock-based compensation for performance awards based on grant date fair value over the service period to the extent achievement of the performance condition is probable.

The fair value of our stock option awards is estimated using a Black-Scholes option-pricing model that uses the following inputs: (1) fair value of our common stock, (2) assumptions we make for the expected volatility of our common stock, (3) the expected term of



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our stock option awards, (4) the risk-free interest rate for a period that approximates the expected term of our stock option awards, and (5) our expected dividend yield, if any.

Determination of the Fair Value of Common Stock

Since the consummation of the Business Combination, the fair value of our common stock has been based on the quoted market price on the Nasdaq Global Market.

Prior to becoming a public company as there has not been a public market for our common stock, the estimated fair value of our common stock was determined by our board of directors as of the date of grant of each option or restricted stock award, considering our most recently available third-party valuations of common stock and our board of directors' assessment of additional objective and subjective factors that it believed were relevant and which may have changed from the date of the most recent valuation through the date of the grant. These third-party valuations were performed in accordance with the guidance outlined in the American Institute of Certified Public Accountants' Accounting and Valuation Guide, Valuation of Privately-Held-Company Equity Securities Issued as Compensation. Our common stock valuations were prepared using either an option pricing method ("OPM") or a hybrid method, both of which used market approaches to estimate our enterprise value. The OPM treats common stock and preferred stock as call options on the total equity value of a company, with exercise prices based on the value thresholds at which the allocation among the various holders of a company's securities changes. Under this method, the common stock has value only if the funds available for distribution to stockholders exceed the value of the preferred stock liquidation preferences at the time of the liquidity event, such as a strategic sale or a merger. A discount for lack of marketability of the common stock is then applied to arrive at an indication of value for the common stock. The hybrid method is a probability-weighted expected return method ("PWERM") where the equity value in one or more scenarios is calculated using an OPM. The PWERM is a scenario-based methodology that estimates the fair value of common stock based upon an analysis of future values for the company, assuming various outcomes. The common stock value is based on the probability-weighted present value of expected future investment returns considering each of the possible outcomes available as well as the rights of each class of stock. The future value of the common stock under each outcome is discounted back to the valuation date at an appropriate risk-adjusted discount rate and probability weighted to arrive at an indication of value for the common stock. A discount for lack of marketability of the common stock is then applied to arrive at an indication of value for the common stock.

Prior to the reverse recapitalization, these independent third-party valuations were performed at various dates, which resulted in estimated valuations of our common stock by our board of directors (without giving effect to the reverse recapitalization) of $0.46 per share as of December 31, 2019, $0.65 per share as of August 1, 2020, $0.82 per share as of December 31, 2020, $1.74 per share as of May 1, 2021, $5.26 per share as of September 30, 2021, and $5.89 per share as of December 31, 2021. In addition to considering the results of these third-party valuations, our board of directors considered various objective and subjective factors to determine the fair value of our common stock as of each grant date, including:

the prices at which we sold shares of preferred stock and the superior rights and preferences of the preferred stock relative to our common stock at the time of each grant;

the progress of our research and development programs, including the status and results of our product candidates;

our stage of development and commercialization and our business strategy;

external market conditions affecting the biotechnology industry and trends within the biotechnology industry;

our financial position, including cash on hand, and our historical and forecasted performance and operating results;

the lack of an active public market for our common stock and our preferred stock;

the likelihood of achieving a liquidity event given prevailing market conditions; and

the analysis of IPOs and the market performance of similar companies in the biotechnology industry.

The assumptions underlying these valuations represented management's best estimate, which involved inherent uncertainties and the application of management's judgment. As a result, if we had used different assumptions or estimates, the fair value of our common stock and our stock-based compensation expense could have been materially different. Following the consummation of the Business Combination, the fair value of New GreenLight Common Stock is determined based on the quoted market price on the Nasdaq Global Market.

Off-Balance Sheet Arrangements

We did not have during the periods presented, and we do not currently have any off-balance sheet arrangements, as defined in the rules and regulations of the SEC.



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Recently Adopted Accounting Pronouncements

A description of recently issued accounting pronouncements that may potentially impact our financial position, results of operations or cash flows is provided in Note 2 - Summary of Significant Accounting Policies to our condensed consolidated financial statements appearing elsewhere herein.

Effects of Inflation

Inflation generally affects us by increasing our cost of labor and research and development contract costs. We do not believe that inflation currently has had a material effect on our business, financial condition or results of operations. Our operations may be affected by inflation in the future.

Emerging Growth Company and Smaller Reporting Company Status

New GreenLight is an "emerging growth company," as defined in Section 2(a) of the Securities Act, as modified by the Jumpstart Our Business Startups Act of 2012 (the "JOBS Act"), and it may take advantage of certain exemptions from various reporting requirements that are applicable to other public companies that are not emerging growth companies, including, but not limited to, not being required to comply with the auditor attestation requirements of Section 404 of the Sarbanes Oxley Act, reduced disclosure obligations regarding executive compensation in its periodic reports and proxy statements, and exemptions from the requirements of holding nonbinding stockholder advisory votes on executive compensation and any golden parachute payments not previously approved.

Further, Section 102(b)(1) of the JOBS Act exempts emerging growth companies from being required to comply with new or revised financial accounting standards until private companies (that is, those that have not had a Securities Act registration statement declared effective, have not filed and not withdrawn a Securities Act registration statement that has not become effective or do not have a class of securities registered under the Exchange Act) are required to comply with the new or revised financial accounting standards. The JOBS Act provides that a company can elect to opt out of the extended transition period and comply with the requirements that apply to non-emerging growth companies but any such election to opt out is irrevocable. New GreenLight has elected not to opt out of such extended transition period, which means that when a standard is issued or revised and it has different application dates for public or private companies, New GreenLight, as an emerging growth company, can adopt the new or revised standard at the time private companies adopt the new or revised standard. This may make comparison of New GreenLight's financial statements with certain other public companies difficult or impossible because of the potential differences in accounting standards used.

New GreenLight will remain an emerging growth company until the earlier of: (i) the last day of the fiscal year (a) following the fifth anniversary of the closing of ENVI's initial public offering, (b) in which New GreenLight has total annual gross revenue of at least $1.1 billion, or (c) in which New GreenLight is deemed to be a large accelerated filer, which means the market value of its common equity that is held by non-affiliates exceeds $700 million as of the last business day of its most recently completed second fiscal quarter; and (ii) the date on which New GreenLight has issued more than $1.0 billion in non-convertible debt securities during the prior three-year period. References herein to "emerging growth company" have the meaning associated with it in the JOBS Act.

We are also a "smaller reporting company" as defined in the Exchange Act. We may continue to be a smaller reporting company even after we are no longer an emerging growth company. We may take advantage of certain of the scaled disclosures available to smaller reporting companies and will be able to take advantage of these scaled disclosures for so long as the market value of our voting and non-voting Common Stock held by non-affiliates is less than $250.0 million measured on the last business day of our second fiscal quarter, or our annual revenue is less than $100.0 million during the most recently completed fiscal year and the market value of our voting and non-voting Common Stock held by non-affiliates is less than $700.0 million measured on the last business day of our second fiscal quarter.



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