You should read the following discussion and analysis of our financial condition and results of operations together with our unaudited condensed consolidated financial statements and related notes, appearing elsewhere in this Quarterly Report on Form 10-Q and (ii) the audited consolidated financial statements and related notes and management's discussion and analysis of financial condition and results of operations for the fiscal year ended December 31, 2021 included in our Annual Report on Form 10-K, or the Annual Report, filed with the Securities and Exchange Commission, or the SEC, on March 1, 2022. Some of the information contained in this discussion and analysis or set forth elsewhere in this Quarterly Report on Form 10-Q, including information with respect to our plans and strategy for our business and related financing, includes forward-looking statements that involve risks and uncertainties. As a result of many factors, including those factors set forth in the "Risk Factors" section of this Quarterly Report on Form 10-Q, our actual results could differ materially from the results described in or implied by the forward-looking statements contained in the following discussion and analysis.

Overview

We are a leading clinical-stage precision oncology company enabled by our proprietary synthetic lethality approach to the discovery and development of novel therapeutics. Synthetic lethality, or SL, represents a clinically validated approach to drug development. We use our proprietary, genome-wide, CRISPR-enabled SNIPRx platform to systematically discover and develop highly targeted cancer therapies focused on genomic instability, including DNA damage repair. SL arises when a deficiency in either of two genes is tolerated in cells, but simultaneous deficiencies in both genes cause cell death. Cancer cells that contain a mutation in one gene of an SL pair are susceptible to therapeutic intervention targeting the other gene pair. Using our SNIPRx platform, we are developing our pipeline of SL product candidates, including our initial product candidate, camonsertib (also known as RP-3500), a potent and selective oral small molecule inhibitor of ATR (Ataxia-Telangiectasia and Rad3-related protein kinase) for the treatment of solid tumors with specific DNA damage repair-related genomic alterations, including those in the ATM gene (ataxia telangiectasia mutated kinase). In June 2022, we entered into a worldwide license and collaboration agreement with Hoffmann-La Roche Inc. and F. Hoffmann-La Roche Ltd, collectively referred to as Roche, for the development and commercialization of camonsertib. In July 2020, we began dosing patients in our Phase 1/2 TRESR (Treatment Enabled by SNIPRx) clinical trial of camonsertib in advanced solid tumors and, in August 2021, we began dosing patients in our Phase 1b/2 ATTACC clinical trial of camonsertib to evaluate the safety and efficacy of camonsertib in combination with approved poly (ADP-ribose) polymerase, or PARP, inhibitors, olaparib and niraparib, in patients with molecularly selected cancers.

In April 2021, we initiated our Phase 1 MYTHIC clinical trial for RP-6306, our PKMYT1 (Protein Kinase Membrane-associated Tyrosine- and Threonine- specific cdc-2 inhibitory kinase) SL inhibitor, in advanced solid tumors. In December 2021, we enrolled the first patient in our Phase 1 MAGNETIC clinical trial to evaluate the safety and tolerability of RP-6306 in combination with gemcitabine and, in January 2022, we initiated patient recruitment in our MINOTAUR clinical trial to evaluate the safety and tolerability of RP-6306 in combination with FOLFIRI. In May 2022, we initiated patient recruitment in a new arm of our Phase 1 MYTHIC clinical trial designed to evaluate the safety and tolerability of RP-6306 in combination with camonsertib in patients with advanced solid tumors.

In 2022, we initiated IND-enabling studies for our polymerase theta, or Pol?, inhibitor, now designated as RP-2119, and plan to initiate clinical trials in the summer of 2023. We also expect to initiate IND-enabling studies in the first half of 2023 for an additional small molecule against an undisclosed target.

Since our inception in September 2016, we have focused primarily on raising capital, organizing and staffing our company, conducting discovery and research activities, identifying potential SL gene pairs, establishing and protecting our intellectual property portfolio including for our proprietary SNIPRx platform, developing and progressing our product candidates through preclinical studies and preparing for clinical trials and establishing arrangements with third parties for the manufacture of initial quantities of our product candidates and component materials. We do not have any product candidates approved for sale and have not generated any revenue from product sales. On June 23, 2020, we completed our initial public offering, or IPO, whereby we issued an aggregate of 12,650,000 common shares, which includes the exercise in full of the underwriters' option to purchase up to an additional 1,650,000 common shares, at a public offering price of $20.00 per share. The aggregate net proceeds received by us from the IPO were approximately $232.0 million, after deducting underwriting commissions and offering expenses of $3.2 million. On November 1, 2021, we completed a follow-on offering, or the 2021 Offering, whereby we issued 4,600,000 common shares, including the exercise in full by the underwriters of their option to purchase up to 600,000 additional common shares, at a public offering price of $22.00 per share, for net proceeds of $94.3 million, after deducting underwriting commissions and offering expenses of $0.8 million. Prior to our IPO, we had funded our operations primarily through equity financings, having raised an aggregate of approximately $135.2 million of gross proceeds from the sale of our preferred shares and $15.0 million of gross proceeds from the issuance of a warrant to acquire our common shares. As of September 30, 2022, we had cash and cash equivalents and marketable securities on hand of $370.4 million.



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Since inception, we have incurred significant operating losses. Our net losses were $106.9 million and $53.4 million for the years ended December 31, 2021 and 2020, respectively, and we generated net income of $2.6 million for the nine months ended September 30, 2022. As of September 30, 2022, we had an accumulated deficit of $207.7 million. We expect to continue to incur significant and increasing expenses and operating losses for the foreseeable future, as we advance our product candidates, including RP-6306, through preclinical and clinical development and seek regulatory approvals, manufacture drug product and drug supply, maintain and expand our intellectual property portfolio, as well as hire additional personnel, pay for accounting, audit, legal, regulatory and consulting services, and pay costs associated with maintaining compliance with Nasdaq listing rules and SEC requirements, directors and officers, or D&O, insurance, investor and public relations activities and other expenses associated with operating as a public company. Our net losses may fluctuate significantly from quarter-to-quarter and year-to-year, depending on the timing of our preclinical studies, our clinical trials, our expenditures on other research and development activities, and our revenue and expenses recognized from collaboration and license agreements.

We do not have any products approved for sale. We will not generate revenue from product sales unless and until we successfully complete clinical development and obtain regulatory approval for our product candidates, if ever. In addition, if we obtain regulatory approval for our product candidates and do not enter into a third-party commercialization partnership, we expect to incur significant expenses related to developing our commercialization capability to support product sales, marketing, manufacturing and distribution activities. As a result, we will need substantial additional funding to support our continuing operations and pursue our growth strategy. Until we can generate significant revenue from product sales, if ever, we expect to finance our operations through a combination of public or private equity offerings and debt financings or other sources, such as potential collaboration agreements, strategic alliances and licensing arrangements. We may be unable to raise additional funds or enter into such other agreements or arrangements when needed on acceptable terms, or at all. Our failure to raise capital or enter into such agreements as, and when, needed, could have a negative effect on our business, results of operations and financial condition.

COVID-19 Business Update

In connection with the COVID-19 pandemic, we previously established a cross-functional task force and have implemented business continuity plans designed to address and mitigate the impact of COVID-19 on our employees and our business, including our preclinical studies and ongoing and planned clinical trials. We have taken measures to secure our research and development activities, while work in laboratories and facilities has been re-organized to reduce risk of COVID-19 transmission. While we are experiencing limited financial impacts at this time, given the global economic slowdown, the overall disruption of global healthcare systems and the other risks and uncertainties associated with the pandemic, our business, financial condition, and results of operations could be materially adversely affected. We cannot predict the ultimate impact, if any, of the COVID-19 pandemic related to both known and unknown risks, including future quarantines, closures and other restrictions resulting from the pandemic. We continue to closely monitor the COVID-19 pandemic as we evolve our business continuity plans, clinical development plans and response strategy.

As of the date of this Quarterly Report on Form 10-Q, the COVID-19 pandemic continues to have a modest impact on our business operations. There is the possibility that our current or future clinical trial sites may be affected by the COVID-19 pandemic due to prioritization of hospital resources toward the COVID-19 pandemic, as well as, the inability to access sites for initiation, patient enrollment and monitoring. As a result, patient screening, new patient enrollment, monitoring and data collection may be affected or delayed. We are aware that several clinical sites involved in our clinical trials have in the past temporarily stopped or delayed enrolling new patients, with exemptions if appropriate, and it is possible that these or other clinical sites may be similarly affected in the future. These developments may delay or extend our projected clinical trial timelines. Some of our third-party manufacturers, which we use for the supply of materials for product candidates or other materials necessary to manufacture product to conduct preclinical tests and clinical trials, and contract research organizations may be impacted by the COVID-19 pandemic. Should they experience disruptions, such as temporary closures or suspension of services, we would likely experience delays in advancing our current or planned clinical trials.

Recent Developments

Evaluating RP-6306, a first-in-class, oral PKMYT1 inhibitor as a monotherapy and in combinations in multiple Phase 1 studies.

We continue to advance Phase 1 clinical trials evaluating RP-6306 as a monotherapy (MYTHIC), as well as in combinations with gemcitabine (MAGNETIC), FOLFIRI (MINOTAUR), and camonsertib (MYTHIC), each for the treatment of molecularly selected advanced solid tumors.

Initial Phase 1 clinical data readout for RP-6306 is expected in the first half of 2023.

Based on promising preclinical data released at the 34th EORTC-NCI-AACR Symposium in October 2022, we are working with clinical investigators to initiate clinical testing of a new carboplatin combination with RP-6306 in 2023.



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We demonstrated that the PKMYT1 inhibitor RP-6306 synergized with carboplatin in multiple CCNE1 high/amplified cellular models to induce an increase in DNA damage, which led to increased cell death compared to either agent alone. The combination of RP-6306 and carboplatin induced profound tumor regression in the OVCAR3 xenograft model and was well tolerated with no additional suppression of red blood cells or neutrophils.

Preclinical data from RP-6306 was published in Journal of Medicinal Chemistry in July 2022. The article, entitled "Discovery of an Orally Bioavailable and Selective PKMYT1 Inhibitor, RP-6306" is available on our website under Scientific References.

Advancing camonsertib, a potent and selective oral small molecule inhibitor of ATR (Ataxia-Telangiectasia and Rad3-related protein kinase) for the treatment of tumors with specific synthetic-lethal genomic alterations, in partnership with Roche.

Under the agreement with Roche, Roche assumed the development of camonsertib with the potential to expand development into additional tumor indications and multiple combination studies.

Repare will continue to provide ongoing support for the TRESR and ATTACC trials into 2023.

In connection with this agreement, we received a $125 million upfront payment in July 2022. We are eligible to receive up to an additional $1.172 billion in potential development, regulatory, commercial and sales milestones, including up to $55 million in potential near-term payments, and royalties on global net sales ranging from high-single-digits to high-teens.

Advancing IND-enabling studies for RP-2119, our Pol? inhibitor, and plan to initiate clinical trials in the summer of 2023.

We also expect to initiate IND-enabling studies in the first half of 2023 for an additional small molecule against an undisclosed target.

Components of Results of Operations

Revenue

To date, we have not recognized any revenue from product sales, and we do not expect to generate any revenue from the sale of products in the foreseeable future. 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. However, there can be no assurance as to when we will generate such revenue, if at all.

Collaboration and License Agreement with Hoffmann-La Roche Inc. and F. Hoffmann-La Roche Ltd

On June 1, 2022, we entered into a collaboration and license agreement, or the Roche Agreement, with Hoffmann-La Roche Inc. and F. Hoffmann-La Roche Ltd, or collectively, Roche, regarding the development and commercialization of our product candidate camonsertib (also known as RP-3500) and specified other ATR (Ataxia-Telangiectasia and Rad3-related protein kinase) inhibitors, which we refer to as the Licensed Products. The transaction was subject to clearance under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 and other customary closing conditions, which were met on July 13, 2022.

Under the Roche Agreement, we granted Roche a worldwide, perpetual, exclusive, sublicensable license to develop, manufacture, and commercialize the Licensed Products. Roche will assume development of camonsertib with the potential to expand development into additional tumors and multiple combination studies. We have agreed to complete specified ongoing clinical trials at our expense. We also retained the right to conduct specified clinical trials of camonsertib in combination with our PKMYT1 compound (also known as RP-6306).

The Roche Agreement was subsequently amended in October 2022 to extend the timeline to negotiate in good faith the parties' rights and obligations with respect to the Repare Trials, as defined in the Roche Agreement, and to clarify indications included in the development plan that are subject to milestones.

Under the terms of the Roche Agreement, we received an upfront payment of $125 million in July 2022, and are eligible to receive up to $1.172 billion in potential clinical, regulatory, commercial and sales milestones, including up to $55 million in potential near-term payments, and royalties on global net sales ranging from high-single-digits to high-teens. The Roche Agreement also provides us with the ability to opt-in to a 50/50 U.S. co-development and profit share arrangement, including participation in U.S. co-promotion if U.S. regulatory approval is received. If we choose to exercise its co-development and profit share option, we will continue to be eligible to receive certain clinical, regulatory, commercial and sales milestone payments, in addition to full ex-U.S. royalties.



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The Company determined that the transaction price at the onset of the Roche Agreement was $134.6 million, being (i) the total non-refundable upfront payment received of $125.0 million, (ii) the additional $4.0 million payment receivable, negotiated with Roche for revisions to the clinical development plan under the Roche Agreement, and (iii) the $5.6 million receivable for the transfer of clinical trial materials.



Performance obligation                  Transaction price
                                         (in thousands)
Combined licenses                      $           105,327
Completion of Continuing Trials                     26,585
Transfer of clinical trial materials                 2,714
Total transaction price                $           134,626


The Company recognized $112.3 million for the three and nine months ended September 30, 2022 as revenue associated with the Roche Agreement, of which $105.3 million related to the grant of the combined licenses, $2.7 million related to the clinical trial materials transferred, and $4.3 million related to the partial recognition of deferred revenue for research and development services performed towards the completion of the Continuing Trials during the period.

As of September 30, 2022, there was $22.3 million (December 31, 2021 - nil) of deferred revenue related to the Roche Agreement, of which $16.7 million (December 31, 2021 - nil) was classified as current and $5.6 million (December 31, 2021 - nil) was classified as non-current in the condensed consolidated balance sheet based on the period the services to complete the Continuing Trials are expected to be performed.

We do not expect the upfront payment made with respect to the Roche Agreement to trigger cash tax obligations due to our accumulated tax losses available.

Collaboration and License Agreement with Bristol-Myers Squibb Company

In May 2020, we entered into a collaboration and license agreement, or the BMS Agreement, with the Bristol Myers Squibb Company, or Bristol Myers Squibb, pursuant to which we and Bristol Myers Squibb have agreed to collaborate in the research and development of potential new product candidates for the treatment of cancer. We are providing Bristol Myers Squibb access to a selected number of our existing screening campaigns and novel campaigns. We are responsible for carrying out early-stage research activities directed to identifying potential targets for potential licensing by Bristol Myers Squibb. The collaboration consists of programs directed to both druggable targets and to targets commonly considered undruggable to traditional small molecule approaches. In the event that Bristol Myers Squibb elects to obtain an exclusive license for the subsequent development, manufacturing and commercialization of a program, Bristol Myers Squibb will then be solely responsible for all such worldwide activities.

The BMS Agreement was subsequently amended in July, September and November 2020 to include additional campaigns to the list of existing campaigns from which Bristol Myers Squibb may select campaigns under the BMS Agreement and to enable unblinding of a Bristol Myers Squibb alliance manager in order to streamline the collaboration process.

As part of the BMS Agreement, Bristol Myers Squibb paid us an initial upfront fee of $50.0 million and made an equity investment of $15.0 million in our company. We will also be eligible to receive up to $3.0 billion in total milestones across all potential programs. Such milestones consist of $301.0 million in total milestones per program subject upon the achievement of certain specified research, development, regulatory and commercial milestones.

The $50.0 million upfront payment was recorded as deferred revenue on our consolidated balance sheet and is expected to be partially recognized at the point in time when option licenses are exercised by Bristol Myers Squibb, with the remainder being recognized on a proportional performance basis over the period of service for research services.



Performance obligation                           Amount
                                             (in thousands)
Research services                            $         6,405
Option to license druggable target lesions            31,148
Option to license undruggable targets                 12,447
Total transaction price                      $        50,000




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In October 2021, we received notification from Bristol Myers Squibb of their option exercise for druggable targets directed at a synthetic lethal lesion, pursuant to the terms of the BMS Agreement. As a result, we recognized $6.5 million as revenue in the fourth quarter of 2021 with regards to the achievement of the performance obligation from Bristol Meyers Squibb and the related option fees received. No amounts were recognized in the three and nine months ended September 30, 2022 and 2021.

As of September 30, 2022, there was $41.2 million (December 31, 2021 - $42.5 million) of deferred revenue related to the BMS Agreement, of which $9.1 million (December 31, 2021 - $2.9 million) was classified as current and $32.1 million (December 31, 2021 - $39.6 million) was classified as non-current on the consolidated balance sheet based on the period the services are expected to be performed and the expected timing of potential option exercises.

In the three months ended September 30, 2022 and 2021, we recognized $0.2 million and $0.3 million, respectively, and in the nine months ended September 30, 2022 and 2021, we recognized $1.3 million and $0.7 million, respectively, as revenue associated with the BMS Agreement in relation to research activities performed to date.

Collaboration Agreement with Ono Pharmaceutical Company Ltd.

In January 2019, we entered into a research services, license and collaboration agreement, or the Ono Agreement, with Ono Pharmaceutical Company Ltd., or Ono, pursuant to which we and Ono have agreed to collaborate in the research of potential product candidates targeting Pol? and the development of our small molecule Pol? inhibitor program. Pursuant to the terms of the agreement, we received initial upfront payments of approximately $8.1 million. These upfront payments have been recorded as deferred revenue on our consolidated balance sheet as per our revenue recognition accounting policy and will be recognized as revenue at the point in time when a product candidate is licensed to Ono pursuant to the terms of the agreement.

In October 2021, upon the occurrence of a specified research trigger, we became eligible to receive a portion, amounting to ¥100 million ($0.9 million), of the research service payments provided for in the Ono Agreement. We received this amount in November 2021 and added it to the transaction price as the consideration was no longer constrained.

As of September 30, 2022 and December 31, 2021 we classified $9.0 million as current deferred revenue related to the Ono Agreement as we consider the completion of our performance obligation under the Ono Agreement to be probable with the advancement of a development candidate and initiation of IND-enabling studies under the program in 2022.

Operating Expenses

Research and Development Expenses

Research and development expenses consist primarily of costs incurred for our research activities, including our drug discovery efforts and the development of our product candidates, partially offset by fully refundable Canadian research and development tax credits. We expense research and development costs as incurred, which include:

external research and development expenses incurred under agreements with contract research organizations, or CROs, as well as investigative sites and consultants that conduct our clinical trials, preclinical studies and other scientific development services;

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

costs related to manufacturing material for our preclinical studies and clinical trials, including fees paid to contract manufacturing organizations, or CMOs;

laboratory supplies and research materials;

upfront, milestone and maintenance fees incurred under license, acquisition and other third-party agreements;



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costs related to compliance with regulatory requirements; and

facilities, depreciation, scientific advisory board and other allocated expenses, which include direct and allocated expenses for rent, maintenance of facilities and equipment, insurance, equipment and software.

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 studies or other services performed. Significant judgment and estimates are made in determining the accrued expense or prepaid balances at the end of any reporting period.

We characterize research and development costs incurred prior to the identification of a product candidate as discovery costs. We characterize costs incurred once a product candidate has been identified as development costs.

Our direct external research and development expenses consist primarily of fees paid to outside consultants, CROs, CMOs and research laboratories in connection with our preclinical development, process development, manufacturing and clinical development activities. Our direct external research and development expenses also include fees incurred under license, acquisition, and option agreements. We track these external research and development costs on a program-by-program basis once we have identified a product candidate.

We do not allocate employee costs, costs associated with our discovery efforts, laboratory supplies, and facilities, 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 activities as well as for managing our preclinical development, process development, manufacturing, and clinical development activities.

The following table summarizes our research and development costs:



                                                Three Months Ended           Nine Months Ended
                                                  September 30,                September 30,
                                                2022          2021           2022          2021
                                                                (in thousands)
Discovery costs
Direct external costs                        $    2,428     $   2,890     $    7,763     $   7,910
Laboratory supplies and research materials        1,134         1,119          3,541         3,580
Personnel related costs                           3,664         2,883         12,120         8,171
Facilities related costs                            322           367          1,101         1,103
Other costs                                       1,235           960          3,525         2,629
                                                  8,783         8,219         28,050        23,393
Development
Direct external costs
Camonsertib program                               6,415         8,069         19,433        17,102
RP-6306 program                                   6,387         4,805         18,457        10,117
RP-2119 program                                   2,179             -          3,198             -
Personnel related costs                           5,695         3,651         16,533        10,192
Facilities related costs                            200           217            606           427
Other costs                                       1,892           636          3,933         1,707
                                                 22,768        17,378         62,160        39,545
R&D tax credits                                    (309 )        (236 )       (1,035 )        (863 )

Total research and development costs $ 31,242 $ 25,361 $ 89,175 $ 62,075






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The successful development of our product candidates is highly uncertain. We plan to substantially increase our research and development expenses for the foreseeable future as we continue the development of our product candidates and manufacturing processes and conduct discovery and research activities for our preclinical programs. We cannot determine with certainty the timing of initiation, the duration, or the completion costs of current or future preclinical studies and clinical trials of our product candidates due to the inherently unpredictable nature of preclinical and clinical development. Clinical and preclinical development timelines, the probability of success and development costs can differ materially from expectations. We anticipate that we will make determinations as to which product candidates to pursue and how much funding to direct to each product candidate on an ongoing basis in response to the results of ongoing and future preclinical studies and clinical trials, regulatory developments, and our ongoing assessments as to each product candidate's commercial potential. We will need to raise substantial additional capital in the future. Our clinical development costs are expected to increase significantly as we commence clinical trials. We anticipate that our expenses will increase substantially, particularly due to the numerous risks and uncertainties associated with developing product candidates, including the uncertainty of:

the scope, rate of progress, and expenses of our ongoing research activities as well as any preclinical studies, clinical trials and other research and development activities;

establishing an appropriate safety profile;

successful enrollment in and completion of clinical trials;

whether our product candidates show safety and efficacy in our clinical trials;

receipt of marketing approvals from applicable regulatory authorities;

establishing commercial manufacturing capabilities or making arrangements with third-party manufacturers;

obtaining and maintaining patent and trade secret protection and regulatory exclusivity for our product candidates;

commercializing product candidates, if and when approved, whether alone or in collaboration with others; and

continued acceptable safety profile of products following any regulatory approval.

Any changes in the outcome of any of these variables with respect to the development of our product candidates in preclinical and clinical development could mean a significant change in the costs and timing associated with the development of these product candidates. We may never succeed in achieving regulatory approval for any of our product candidates. We may obtain unexpected results from our clinical trials. We may elect to discontinue, delay or modify clinical trials of some product candidates or focus on other product candidates. For example, if the U.S. Food and Drug Administration, or the FDA, the European Medicines Agency, or EMA, or another regulatory authority were to delay our planned start of clinical trials or require us to conduct clinical trials or other testing beyond those that we currently expect or if we experience significant delays in enrollment in any of our ongoing and planned clinical trials, we could be required to expend significant additional financial resources and time on the completion of clinical development of that product candidate.

General and Administrative Expenses

General and administrative expense consists primarily of employee related costs, including salaries, bonuses, benefits, share-based compensation and other related costs, as well as expenses for outside professional services, including legal, accounting and audit services and other consulting fees, rent expense, D&O insurance expenses, investor and public relations expenses and other general administrative expenses.

We anticipate that our general and administrative expenses will increase in the future as we increase our headcount to support our continued research activities and development of our product candidates. We also anticipate that we will incur significantly increased accounting, audit, legal, regulatory, compliance and D&O insurance costs as well as investor and public relations expenses associated with operating as a public company.

Other Income (Expense), Net

Other income (expense), net consists primarily of realized and unrealized gains and losses on foreign exchange, interest income earned on our cash and cash equivalents and marketable securities, and other expenses such as interest and bank charges.

Realized and unrealized gains and losses on foreign exchange consist of realized and unrealized gains and losses from holding cash and foreign currency denominated other receivables, accounts payable, accrued expenses and other current liabilities as well as operating lease liabilities.



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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,
                                                    2022           2021          Change
                                                              (in thousands)
Revenue:
Collaboration agreements                         $  112,545     $      278     $  112,267

Operating expenses: Research and development, net of tax credits 31,242 25,361 5,881 General and administrative

                            7,904          6,596          1,308
Total operating expenses                             39,146         31,957          7,189
Income (loss) from operations                        73,399        (31,679 )      105,078
Other income (expense), net:
Realized and unrealized gain (loss) on foreign
exchange                                                126             33             93
Interest income                                       2,027             53          1,974
Other expense                                           (37 )           (7 )          (30 )
Total other income, net                               2,116             79          2,037
Income (loss) before income taxes                    75,515        (31,600 )      107,115
Income tax recovery (expense)                           (54 )          708           (762 )
Net income (loss)                                $   75,461     $  (30,892 )   $  106,353


Revenue

We recognized revenue of $112.3 million for the three months ended September 30, 2022 in connection with our entry into the Roche Agreement, of which $105.3 million related to the satisfaction of our performance obligation for the combined licenses, $2.7 million related to the transfer of clinical trial materials as delivery has occurred, and $4.3 million related to the partial recognition of deferred revenue for research and development services performed to complete Continuing Trials during the period.

We also recognized $0.2 million and $0.3 million for the three months ended September 30, 2022 and 2021, respectively, as a result of partial revenue recognition of the deferred revenue from the BMS Agreement, in proportion to the level of research and development services performed during the period.

Research and Development Expenses, Net of Tax Credits

Research and development expenses were $31.2 million for the three months ended September 30, 2022, compared to $25.4 million for the three months ended September 30, 2021. The increase of $5.8 million was primarily due to:

a $1.6 million increase in direct external costs related to the advancement of the RP-6306 program and the advancement of RP-2119 into IND-enabling studies, offset by lower direct external costs for camonsertib following the transfer of CMC related activities to Roche pursuant to the collaboration agreement;

a $2.8 million increase in personnel-related costs, including a $1.0 million increase in share-based compensation, primarily related to increased headcount in support of our discovery and development activities; and

a $1.4 million increase in other research and material expense mostly for external costs not involved in the camonsertib, RP-6306 or RP-2119 programs.

General and Administrative Expenses

General and administrative expenses were $7.9 million for the three months ended September 30, 2022, compared to $6.6 million for the three months ended September 30, 2021. The increase of $1.3 million in general and administrative expenses consisted of:

a $0.8 million increase in personnel related costs, including a $0.3 million increase in share-based compensation, primarily related to increased headcount as we scale the organization;



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a $0.9 million increase in professional fees associated with the Roche collaboration agreement and the establishment of our at-the-market offering with Cowen and Company, LLC, as well as timing of audit and Sarbanes-Oxley Act of 2002 related compliance efforts;

a $0.2 million increase in other general and administrative expenses; and

a $0.6 million decrease in our D&O insurance premium.

Other Income (Expense), Net

Other income, net was $2.1 million and $0.1 million for the three months ended September 30, 2022 and 2021, respectively. The increase of $2.0 million was primarily attributable to higher sums invested in cash and cash equivalents and marketable securities as well as higher interest rates.

Income Tax Recovery (Expense)

The income tax expense of $0.1 million for the three months ended September 30, 2022 primarily reflected taxable income in our U.S. subsidiary. Our taxable profit in the United States is expected to be higher than in prior years as a result of amendments to Internal Revenue Code Section 174, which took effect January 1, 2022 pursuant to the 2017 Tax Cuts and Jobs Act, that prescribe U.S.-based research and experimental expenditures be capitalized and amortized ratably over a five-year period instead of being deductible in the year incurred. Absent a change in law, this provision is expected to increase our 2022 cash payments of income taxes significantly as compared to 2021. Our year to date fiscal 2022 tax installment by our U.S. subsidiary was $4.6 million for the nine months ended September 30, 2022 as compared to $0.6 million of installments made for the full fiscal year 2021.

The income tax recovery of $0.7 million for the three months ended September 30, 2021 primarily reflected U.S. federal and state research and development tax credits generated, offset by taxable income in our U.S. subsidiary.

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,
                                                    2022           2021          Change
                                                              (in thousands)
Revenue:
Collaboration agreements                         $  113,632     $      723     $  112,909

Operating expenses: Research and development, net of tax credits 89,175 62,075 27,100 General and administrative

                           24,621         18,574          6,047
Total operating expenses                            113,796         80,649         33,147
Income (loss) from operations                          (164 )      (79,926 )       79,762
Other income (expense), net:
Realized and unrealized gain (loss) on foreign
exchange                                                250            (92 )          342
Interest income                                       2,700            155          2,545
Other expense                                           (56 )          (21 )          (35 )
Total other income, net                               2,894             42          2,852
Income (loss) before income taxes                     2,730        (79,884 )       82,614
Income tax recovery (expense)                          (119 )        1,266         (1,385 )
Net income (loss)                                $    2,611     $  (78,618 )   $   81,229


Revenue

We recognized revenue of $112.3 million for the nine months ended September 30, 2022 in connection with our entry into the Roche Agreement, of which $105.3 million related to the satisfaction of our performance obligation for the combined licenses, $2.7 million related to the transfer of clinical trial materials as delivery has occurred, and $4.3 million related to the partial recognition of deferred revenue for research and development services performed to complete Continuing Trials during the period.

We also recognized $1.3 million and $0.7 million for the nine months ended September 30, 2022 and 2021, respectively, as a result of partial revenue recognition of the deferred revenue from the BMS Agreement, in proportion to the level of research and development services performed during the period.



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Research and Development Expenses, Net of Tax Credits

Research and development expenses were $89.2 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 $27.1 million was primarily due to:

a $13.7 million increase in direct external costs related to the advancements of the RP-6306 and camonsertib programs, and the advancement of RP-2119 into IND-enabling studies;

a $10.3 million increase in personnel-related costs, including a $3.4 million increase in share-based compensation, primarily related to increased headcount in support of our discovery and development activities; and

a $3.1 million increase in other research and development costs, including travel, depreciation, facilities, and external costs not involved in the camonsertib, RP-6306 or RP-2119 programs.

General and Administrative Expenses

General and administrative expenses were $24.6 million for the nine months ended September 30, 2022, compared to $18.6 million for the nine months ended September 30, 2021. The increase of $6.0 million in general and administrative expenses consisted of:

a $3.6 million increase in personnel related costs, including a $2.3 million increase in share-based compensation, primarily related to increased headcount as we scale the organization;

a $2.2 million increase in professional fees associated with the Roche collaboration agreement and the establishment of our at-the-market offering with Cowen and Company, LLC, as well as timing of audit and Sarbanes-Oxley Act of 2002 related compliance efforts;

a $0.8 million increase in other general and administrative expenses mainly related to facilities and IT costs; and

a $0.6 million decrease in our D&O insurance premium.

Other Income (Expense), Net

Other income, net was $2.9 million and nil for nine months ended September 30, 2022 and 2021, respectively. The increase of $2.9 million was primarily attributable to higher sums invested in cash and cash equivalents and marketable securities as well as higher interest rates.

Income Tax Recovery (Expense)

The income tax expense of $0.1 million for the nine months ended September 30, 2022 primarily reflected taxable income in our U.S. subsidiary. Our taxable profit in the United States is expected to be higher than in prior years as a result of amendments to Internal Revenue Code Section 174, which took effect January 1, 2022 pursuant to the 2017 Tax Cuts and Jobs Act, that prescribe U.S.-based research and experimental expenditures be capitalized and amortized ratably over a five-year period instead of being deductible in the year incurred. Absent a change in law, this provision is expected to increase our 2022 cash payments of income taxes significantly as compared to 2021. Our year to date fiscal 2022 tax installment by our U.S. subsidiary was $4.6 million for the nine months ended September 30, 2022 as compared to $0.6 million of installments made for the full fiscal year 2021.

The income tax recovery of $1.3 million for the nine months ended September 30, 2021 primarily reflected U.S. federal and state research and development tax credits generated, offset by taxable income in our U.S. subsidiary.

Liquidity and Capital Resources

Since our inception, we have not recognized any revenue from product sales and have incurred operating losses and negative cash flows from our operations. We have not yet commercialized any product and we do not expect to generate revenue from sales of any products for several years, if at all. In June 2020, we completed our IPO whereby we issued an aggregate of 12,650,000 common shares, which includes the exercise in full of the underwriters' option to purchase up to an additional 1,650,000 common shares, at a public offering price of $20.00 per share. The aggregate net proceeds received by us from the IPO were $232.0 million, after deducting underwriting commissions, and offering expenses of $3.2 million. In November 2021, we completed a follow-on offering whereby we issued 4,600,000 common shares, including the exercise in full by the underwriters of their option to purchase up to 600,000 additional common shares, at a public offering price of $22.00 per share, for net proceeds of $94.3 million, after deducting underwriting commissions and offering expenses of $0.8 million.



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In August 2022, we entered into a Common Shares Sale Agreement, or the Sales Agreement, with Cowen and Company, LLC as sales agent, pursuant to which we may issue and sell common shares from time to time, or the ATM Shares. The ATM Shares to be sold under the Sales Agreement, if any, will be issued and sold pursuant to our shelf registration statement on Form S-3 (File No. 333-257668), up to a maximum aggregate amount of $125.0 million. No shares have been issued under the Sales Agreement as of the date of this Quarterly Report on Form 10-Q.

Prior to our IPO, we had funded our operations primarily through equity financings, having raised an aggregate of approximately $135.2 million of gross proceeds from the sale of our preferred shares and $15.0 million of gross proceeds from the issuance of a warrant to acquire our common shares. We have also partnered with Ono for our Pol? inhibitor program and Bristol Myers Squibb for research and development of potential new product candidates for the treatment of cancer and received initial upfront payments of approximately $59.0 million in the aggregate. In 2022 we entered into a collaboration and license agreement with Roche for camonsertib and have received initial payments of $130.6 million.

We expect to incur significant expenses and operating losses for the foreseeable future as we advance our product candidates through preclinical and clinical development, seek regulatory approval and pursue commercialization of any approved product candidates and we will continue to incur additional costs associated with operating as a public company. We expect that our research and development and general and administrative costs will increase in connection with our planned research and development activities.

Beginning in 2022, the Tax Cuts and Jobs Act of 2017 eliminates the option to deduct U.S.-based research and development expenditures in the current fiscal year and requires taxpayers to amortize them over five years pursuant to Internal Revenue Code Section 174. Absent a change in law, this provision is expected to increase our 2022 cash payments of income taxes significantly as compared to 2021. Although Congress is considering legislation that would defer the amortization requirement to later years, we have no assurance that the provision will be repealed or otherwise modified. If the requirement is not modified, it will materially reduce our cash flows beginning in 2022. Changes in our tax provisions or an increase in our tax liabilities, whether due to changes in applicable laws and regulations or our interpretation or application thereof, could have a material adverse effect on our financial position, results of operations and/or cash flows.

As of September 30, 2022, our cash and cash equivalents and marketable securities on hand was $370.4 million. We believe that our existing cash and cash equivalents and marketable securities on hand will be sufficient to fund our anticipated operating and capital expenditure requirements into 2026. We have based this estimate on assumptions that may prove to be wrong, and we could exhaust our capital resources sooner than we expect. If we receive regulatory approval for any of our product candidates, we expect to incur significant commercialization expenses related to product manufacturing, sales, marketing, and distribution, depending on where we choose to commercialize. We may also require additional capital to pursue in-licenses or acquisitions of other product candidates.

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 initiation, timing, costs, progress and results of our product candidates, including our ongoing Phase 1 clinical trials of RP-6306;

the progress of preclinical development and possible clinical trials of our current 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 growth and associated costs as we expand our research and development 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 agreements, including the Roche Agreement;

the outcome, timing and cost of meeting regulatory requirements established by the FDA, EMA 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 or our collaborators 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 strategic collaborations;

the revenue, if any, received from commercial sales of camonsertib, RP-6306 and any future product candidates for which we or our collaborators receive marketing approval; and

the costs of operating as a public company.

Until such time, if ever, as we can generate substantial product revenues to support our cost structure, 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 debt securities, the ownership interest of our shareholders will be or could be diluted, and the terms of these securities may include liquidation or other preferences that adversely affect the rights of our common shareholders. 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 shares. 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

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

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



                                                          Nine Months Ended
                                                            September 30,
                                                         2022           2021          Change
                                                                   (in thousands)

Net cash provided by (used in) operating activities $ 29,959 $ (65,058 ) $ 95,017 Net cash used in investing activities

                   (209,836 )       (1,278 )     (208,558 )
Net cash provided by financing activities                    715            995           (280 )
Effect of exchange rate fluctuations on cash held            (74 )          (60 )          (14 )
Net Decrease In Cash And Cash Equivalents             $ (179,236 )   $  (65,401 )   $ (113,835 )

Operating Activities

Net cash provided by operating activities was $30.0 million for the nine months ended September 30, 2022, reflecting a net income of $2.6 million, a net change of $14.4 million in our net operating assets and non-cash charges of $13.0 million. The non-cash charges primarily consist of share-based compensation for option grants to employees, as well as depreciation expense, and non-cash lease expense offset by deferred taxes. The change in our net operating assets was primarily due to a net increase of $11.4 million related to balances in deferred revenues and collaboration revenue receivable from the Roche Agreement.

Net cash used in operating activities was $65.1 million for the nine months ended September 30, 2021, reflecting a net loss of $78.6 million, offset by a net change of $3.6 million in our net operating assets and non-cash charges of $9.9 million. The non-cash charges primarily consist of share-based compensation for option grants to employees, as well as depreciation expense, and non-cash lease expense offset by deferred taxes. The change in our net operating assets was due to a decrease of $3.4 million in other receivables, as well as an increase of $5.3 million in accrued expenses and other current liabilities and income taxes, offset by an increase of $3.3 million in prepaid expenses, research and development tax credits receivable and other non-current assets, as well as a $1.8 million decrease in accounts payable, operating lease liabilities and deferred revenue.



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The $95.0 million increase in cash provided by operating activities for the nine months ended September 30, 2022 compared to the nine months ended September 30, 2021 is primarily due to the $125.0 million upfront payment under the Roche Agreement offset by an increase in operating expenses, specifically direct external costs and personnel-related costs, as we advance the development of our product candidates.

Investing Activities

Net cash used in investing activities was $209.8 million for the nine months ended September 30, 2022 and resulted primarily from purchases of marketable securities.

Net cash used in investing activities was $1.3 million for the nine months ended September 30, 2021 and resulted primarily from purchases of property and equipment.

Financing Activities

Net cash provided by financing activities was $0.7 million consisting of net proceeds from the exercise of stock options and issuance of common shares under the ESPP for the nine months ended September 30, 2022.

Net cash provided by financing activities was $1.0 million consisting of net proceeds from the exercise of stock options and issuance of common shares under the ESPP for the nine months ended September 30, 2021.

Material Cash Requirements

In June 2022, we procured a D&O liability insurance policy for a total aggregate premium of $4.3 million, including excise tax. The premium of $4.3 million was paid in the quarter ended September 30, 2022.

In July 2022, we entered into an agreement with The Broad Institute, Inc., or Broad, under which Broad will perform specialty screening services at our request over the course of a three-year term in exchange for payments of approximately $0.8 million per year, beginning in July 2022, totaling $2.3 million in the aggregate. The initial $0.8 million was paid in the quarter ended September 30, 2022.

Other than the changes described above, there were no material changes to our material cash requirements during the nine months ended September 30, 2022 from those described under "Management's Discussion and Analysis of Financial Condition and Results of Operations" in the Annual Report.

Critical Accounting Estimates

This management's discussion and analysis is based on our unaudited condensed consolidated financial statements, which have been prepared in accordance with U.S. generally accepted accounting principles. The preparation of these unaudited condensed consolidated financial statements requires us to make judgments and estimates that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the unaudited condensed consolidated financial statements and the reported amounts of expenses during the reported periods. We base our estimates on historical experience, known trends and events, and various other factors that we believe to be reasonable under the circumstances. Actual results may differ from these estimates under different assumptions or conditions. On an ongoing basis, we evaluate our judgments and estimates in light of changes in circumstances, facts, and experience. The effects of material revisions in estimates, if any, will be reflected in the consolidated financial statements prospectively from the date of change in estimates.

There have been no significant changes to our critical accounting estimates from those described in "Management's Discussion and Analysis of Financial Condition and Results of Operations" included in the Annual Report.

Recently Adopted Accounting Pronouncements

See Note 2 to our annual consolidated financial statements included in the Annual Report and Note 2 to our unaudited condensed consolidated financial statements included in this Quarterly Report on Form 10-Q for a description of recent accounting pronouncements applicable to our financial statements.



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