PTC Therapeutics Provides Corporate Update and Reports Fourth Quarter and Full Year 2023 Financial Results

- 34% year-over-year growth in 2023 total revenue -

- Global filings of sepiapterin remain on track with first submission of the EU MAA expected in March -

- Potential NDA submission for vatiquinone for Friedreich ataxia expected in late 2024 -

SOUTH PLAINFIELD, N.J., Feb. 29, 2024 /PRNewswire/ -- PTC Therapeutics, Inc., (NASDAQ: PTCT) today announced a corporate update and financial results for the fourth quarter and full year ending December 31, 2023.

"We closed out 2023 with strong revenue performance in the fourth quarter," said Matthew Klein, M.D., Chief Executive Officer, PTC Therapeutics, Inc. "We are well-positioned for a successful 2024 with several potential exciting clinical and regulatory milestones ahead. We look forward to initiating the global regulatory submissions for sepiapterin for the treatment of PKU, which we see as a potential billion-dollar opportunity, as well as to advancing our PTC518, vatiquinone, and utreloxastat programs."

Key Corporate Updates:

    --  2023 total revenue of $938 million, representing 34% year-over-year
        growth
    --  2023 revenue for the DMD franchise was $611 million
        --  Translarna(TM) (ataluren) net product revenue was $356 million,
            driven by new patients in existing geographies and continued
            geographic expansion.
        --  Emflaza(®) (deflazacort) net product revenue was $255 million,
            resulting from new patient starts and high compliance.

Key Clinical and Regulatory Milestones:

    --  PTC expects to submit an MAA to the EMA for sepiapterin for the
        treatment of PKU in March 2024 and expects to submit an NDA to the FDA
        for sepiapterin no later than the third quarter of 2024.
    --  PTC had a Type C meeting with the FDA in the first quarter of 2024 to
        discuss the vatiquinone Friedreich ataxia program. Based on discussions
        with the FDA, PTC has a potential path to an NDA submission in late 2024
        based on the placebo-controlled results of MOVE-FA, along with data from
        the ongoing open-label extension study.
    --  PTC expects to submit a BLA to the FDA for Upstaza(TM) for the treatment
        of AADC deficiency in March 2024.
    --  PTC expects to meet with the FDA to discuss a potential NDA resubmission
        of Translarna in March 2024.
    --  PTC expects to provide an interim data update for the PIVOT-HD trial of
        PTC518 for Huntington's disease patients in the second quarter of 2024.
        This update will include 12-month data on the initial group of subjects
        for which data was reported in June 2023.
    --  PTC expects to report topline data for the CardinALS trial of
        utreloxastat for ALS in the fourth quarter of 2024.

Fourth Quarter and Full Year 2023 Financial Highlights:

    --  Total revenue was $307.1 million for the fourth quarter of 2023,
        compared to $167.4 million for the fourth quarter of 2022. Total revenue
        was $937.8 million for full year 2023, compared to $698.8 million for
        full year 2022.
    --  Total revenue included net product revenue across the commercial
        portfolio of $155.1 million for the fourth quarter of 2023 and $661.2
        million for full year 2023, compared to $127.5 million for the fourth
        quarter of 2022 and $535.2 million for full year 2022. Total revenue
        also included collaboration, royalty, and manufacturing revenue of
        $152.0 million in fourth quarter of 2023 and $276.6 million for full
        year 2023, compared to $39.9 million for the fourth quarter of 2022 and
        $163.6 million for full year 2022.
    --  Translarna net product revenue was $75.2 million for the fourth quarter
        of 2023, compared to $55.8 million for the fourth quarter of 2022.
        Translarna net product revenue was $355.8 million for full year 2023,
        compared to $288.6 million for full year 2022. These results were driven
        by treatment of new patients in existing geographies and continued
        geographic expansion.
    --  Emflaza net product revenue was $67.4 million for the fourth quarter of
        2023, compared to $58.1 million for the fourth quarter of 2022. Emflaza
        net product revenue was $255.1 million for full year 2023, compared to
        $218.3 million for full year 2022. These results were driven by new
        patient starts and high compliance.
    --  Roche reported Evrysdi(®) full year 2023 sales of approximately CHF
        1,419 million, resulting in full year 2023 royalty revenue of $168.9
        million to PTC, as compared to $113.5 million for full year 2022. Also
        in the fourth quarter of 2023, PTC recorded a sales milestone of $100.0
        million for the achievement of $1.5 billion in worldwide annual net
        sales from Evrysdi. This sales milestone was recorded as collaboration
        revenue.
    --  Based on U.S. GAAP (Generally Accepted Accounting Principles), GAAP R&D
        expense was $121.4 million for the fourth quarter of 2023, compared to
        $188.7 million for the fourth quarter of 2022. GAAP R&D expense was
        $666.6 million for full year 2023, compared to $651.5 million for full
        year 2022. The decrease in R&D expense for the fourth quarter of 2023
        reflects the strategic portfolio prioritization as the Company continues
        to focus its resources on its differentiated, high-potential R&D
        programs. The increase in R&D expense for full year 2023 is primarily
        due to the achievement of a $30.0 million success-based development
        milestone for the completion of enrollment of a Phase 3 clinical trial
        for sepiapterin for PKU, partially offset by the Company's strategic
        portfolio prioritization.
    --  Non-GAAP R&D expense was $113.2 million for the fourth quarter of 2023,
        excluding $8.1 million in non-cash, stock-based compensation expense,
        compared to $174.7 million for the fourth quarter of 2022, excluding
        $14.0 million in non-cash, stock-based compensation expense. Non-GAAP
        R&D expense was $613.6 million for full year 2023, excluding $52.9
        million in non-cash, stock-based compensation expense, compared to
        $595.6 million for full year 2022, excluding $55.9 million in non-cash,
        stock-based compensation expense.
    --  GAAP SG&A expense was $76.3 million for the fourth quarter of 2023,
        compared to $92.7 million for the fourth quarter of 2022. GAAP SG&A
        expense was $332.5 million for full year 2023, compared to $326.0
        million for full year 2022. The decrease in SG&A expense for the fourth
        quarter of 2023 was primarily due to lower employee costs as a result of
        the reduction in workforce. The increase in SG&A expense for full year
        2023 reflected the Company's continued investment to support commercial
        activities, including the expanding commercial portfolio, and
        restructuring costs from the reduction in workforce in the year ended
        December 31, 2023.
    --  Non-GAAP SG&A expense was $67.9 million for the fourth quarter of 2023,
        excluding $8.4 million in non-cash, stock-based compensation expense,
        compared to $79.3 million for the fourth quarter of 2022, excluding
        $13.4 million in non-cash, stock-based compensation expense. Non-GAAP
        SG&A expense was $283.8 million for full year 2023, excluding $48.7
        million in non-cash, stock-based compensation expense, compared to
        $271.5 million for full year 2022, excluding $54.5 million in non-cash,
        stock-based compensation expense.
    --  The intangible asset impairment was $217.8 million for full year 2023,
        which represented a non-cash charge. This was a result of the Company's
        strategic portfolio prioritization and its decision to discontinue its
        preclinical and early research programs in its gene therapy platform,
        which included FA and AS, which was announced in May 2023. No intangible
        asset impairment was recorded in the fourth quarter of 2023. The
        intangible asset impairment was $33.4 million for the fourth quarter and
        full year 2022, which represented a non-cash charge related to a
        decrease in projected cash flows for Upstaza due to refinements in
        market assumptions.
    --  The change in the fair value of deferred and contingent consideration
        was a gain of $2.7 million for the fourth quarter of 2023, compared to a
        loss of $6.3 million for the fourth quarter of 2022. The change in the
        fair value of deferred and contingent consideration was a gain of $127.7
        million for full year 2023, compared to a gain of $25.9 million for full
        year 2022. The change in the fair value of deferred and contingent
        consideration was primarily related to the fair valuation of potential
        future consideration to be paid to former equity holders of Agilis
        Biotherapeutics, Inc. (Agilis) in connection with PTC's acquisition of
        Agilis, which closed in August 2018. The Company's strategic portfolio
        prioritization and its decision to discontinue its preclinical and early
        research programs in its gene therapy platform, which included FA and
        AS, was announced in May 2023. As a result, PTC determined the fair
        value for all the contingent consideration payable related to FA and AS
        was $0.
    --  The loss on extinguishment of debt was $137.6 million for the fourth
        quarter of 2023 and full year 2023, compared to $0.0 million for the
        fourth quarter of 2022 and full year 2022. The increase was primarily
        due to the early termination of the Company's Blackstone Credit
        Agreement, which resulted in a loss on the extinguishment of debt of
        $92.7 million for the period ended December 31, 2023. In addition, the
        Company recorded a $44.9 million loss on extinguishment of debt for the
        period ended December 31, 2023, relating to the A&R Royalty Purchase
        Agreement, which represented a non-cash charge.
    --  The net loss was $155.8 million for the fourth quarter of 2023, compared
        to a net loss of $170.9 million for the fourth quarter of 2022. The net
        loss was $626.6 million for full year 2023, compared to a net loss of
        $559.0 million for full year 2022.
    --  Cash, cash equivalents, and marketable securities was $876.7 million on
        December 31, 2023, compared to $410.7 million at December 31, 2022.
    --  Shares issued and outstanding as of December 31, 2023, were 75,708,889.

PTC Updates Full Year 2024 Financial Guidance:

    --  PTC anticipates total revenues for full year 2024 to be between $600
        million and $680 million.
    --  PTC anticipates GAAP R&D and SG&A expense for full year 2024 to be
        between $740 million and $835 million.
    --  PTC anticipates Non-GAAP R&D and SG&A expense for full year 2024 to be
        between $660 million and $755 million, including expected R&D expense
        milestone payments of up to $65 million and excluding estimated
        non-cash, stock-based compensation expense of $80 million.
    --  PTC anticipates up to $90 million of payments for full year 2024 upon
        achievement of potential regulatory success-based milestones from
        previous acquisitions, of which up to $65 million will be recorded as
        R&D operating expense.

Non-GAAP Financial Measures:
In this press release, the financial results of PTC are provided in accordance with GAAP and using certain non-GAAP financial measures. In particular, the non-GAAP R&D and SG&A expense financial measures exclude non-cash, stock-based compensation expense. These non-GAAP financial measures are provided as a complement to financial measures reported in GAAP because management uses these non-GAAP financial measures when assessing and identifying operational trends. In management's opinion, these non-GAAP financial measures are useful to investors and other users of PTC's financial statements by providing greater transparency into the historical and projected operating performance of PTC and the company's future outlook. Non-GAAP financial measures are not an alternative for financial measures prepared in accordance with GAAP. Quantitative reconciliations of the non-GAAP financial measures to their respective closest equivalent GAAP financial measures are included in the table below.


                                                                                     
            
              PTC Therapeutics, Inc.
                                                                                       Consolidated Statements of Operations
                                                                                  (In thousands, except share and per share data)




                                                                                                                                                     Three Months Ended                         Twelve Months Ended
                                                                                                                                              December 31,                                December 31,


                                                                                                                                              2023                          2022                2023                          2022



     Revenues:



     Net product revenue                                                                                                           $
           155,062               $
            127,508     $
            661,249               $
            535,228



     Collaboration revenue                                                                                                                100,024                            28             100,030                        50,052



     Royalty revenue                                                                                                                       50,999                        39,876             168,856                       113,521



     Manufacturing revenue                                                                                                                    971                                                7,687



     Total revenues                                                                                                                       307,056                       167,412             937,822                       698,801



     Operating expenses:



     Cost of product sales, excluding amortization of acquired intangible assets                                                           29,118                        10,893              65,486                        44,678



     Amortization of acquired intangible asset                                                                                             77,174                        35,764             222,635                       116,554



     Research and development (1)                                                                                                         121,353                       188,694             666,563                       651,496



     Selling, general and administrative (2)                                                                                               76,291                        92,718             332,540                       325,998



     Change in the fair value of deferred and contingent consideration                                                                     (2,700)                        6,300            (127,700)                      (25,900)



     Intangible asset impairment                                                                                                                -                       33,384             217,800                        33,384



     Total operating expenses                                                                                                             301,236                       367,753           1,377,324                     1,146,210



     Income (loss) from operations                                                                                                          5,820                      (200,341)           (439,502)                     (447,409)



     Interest expense, net                                                                                                                (44,274)                      (24,500)           (129,180)                      (90,871)



     Other income (expense), net                                                                                                           18,961                        35,147              10,130                       (49,207)



     Loss on extinguishment of debt                                                                                                     (137,558)                                          (137,558)



     Loss before income tax benefit                                                                                                      (157,051)                     (189,694)           (696,110)                     (587,487)



     Income tax benefit                                                                                                                     1,259                        18,805              69,506                        28,470



     Net loss attributable to common stockholders                                                                                $
           (155,792)            $
            (170,889)  $
            (626,604)            $
            (559,017)





     Weighted-average shares outstanding:



     Basic and diluted (in shares)                                                                                                     75,490,569                    72,656,790          74,838,392                    71,728,634



     Net loss per share-basic and diluted (in dollars per share)                                                                    $
           (2.06)               $
            (2.35)     $
            (8.37)               $
            (7.79)





     
              (1) Research and development reconciliation



     GAAP research and development                                                                                                 $
           121,353               $
            188,694     $
            666,563               $
            651,496



     Less: share-based compensation expense                                                                                                 8,113                        13,973              52,941                        55,869



     
              Non-GAAP research and development                                                                                  $
           113,240               $
            174,721     $
            613,622               $
            595,627





     
              (2) Selling, general and administrative reconciliation



     GAAP selling, general and administrative                                                                                       $
           76,291                $
            92,718     $
            332,540               $
            325,998



     Less: share-based compensation expense                                                                                                 8,395                        13,370              48,695                        54,464



     
              Non-GAAP selling, general and administrative                                                                        $
           67,896                $
            79,348     $
            283,845               $
            271,534


                                                                                       
              
                PTC Therapeutics, Inc.
                                                                                            Summary Consolidated Balance Sheets
                                                                                             (in thousands, except share data)




                                                                                                                                               December 31, 2023          December 31, 2022



              Cash, cash equivalents and marketable securities                                                                             $
              876,739        $
              410,705



              
                Total Assets                                                                                              $
     
                1,895,698  $
     
                1,705,619





              Total debt                                                                                                                   $
              284,213        $
              571,722



              Total deferred revenue                                                                                                                     801                      1,351



              Total liability for sale of future royalties                                                                                         1,814,097                    757,886



              
                Total liabilities                                                                                         $
     
                2,714,253  $
     
                2,052,705





              Total stockholders' deficit (75,708,889 and 73,104,692 common shares issued and                                            $
              (818,555)     $
              (347,086)
    outstanding at December 31, 2023 and December 31, 2022, respectively)



              
                Total liabilities and stockholders' deficit                                                               $
     
                1,895,698  $
     
                1,705,619


                                                            
              
                PTC Therapeutics, Inc.
                                                       Reconciliation of GAAP Milestone Payments Full Year 2024

                                                                       
              (in millions)




                                                                                                                         PTC Therapeutics, Inc.


                                                                                                                         Reconciliation of GAAP


                                                                                                                         Milestone Payments


                                                                                                                         Full Year 2024


                                                                                                                   (in millions)





     Projected GAAP R&D Expense Related Milestone Payments                                                               $
              65



     Projected GAAP Contingent Consideration Payable Related Milestone Payments                                                    25



     Total Projected GAAP Milestone Payments                                                                   $
           
                90


                                                     
              
                PTC Therapeutics, Inc.

                        
              
                Reconciliation of GAAP to Non-GAAP Projected Full Year 2024 R&D and SG&A Expense
                                                                     (In millions)




                                                                                                                                        Low End of Range           High End of Range



     Projected GAAP R&D and SG&A Expense                                                                                        $
      740                 $
        835



     Less: projected non-cash, stock-based compensation expense                                                                    80                      80



     
                Projected non-GAAP R&D and SG&A expense                                                                       $
      660                 $
        755

Acronyms:
AS: Angelman Syndrome
BLA: Biologics License Application
CHF: Confoederatio Helvetica Francs (Swiss francs)
DMD: Duchenne Muscular Dystrophy
FA: Friedreich Ataxia
FDA: U.S. Food and Drug Administration
GAAP: Generally Accepted Accounting Principles
HD: Huntington's Disease
NDA: New Drug Application
PKU: Phenylketonuria
R&D: Research and Development
SG&A: Selling, General and Administrative

Today's Conference Call and Webcast Reminder:
To access the call by phone, please click here to register and you will be provided with dial-in details. To avoid delays, we recommend participants dial in to the conference call 15 minutes prior to the start of the call. The webcast conference call can be accessed on the Investor section of the PTC website at https://ir.ptcbio.com/events-presentations. A replay of the call will be available approximately two hours after completion of the call and will be archived on the company's website for 30 days following the call.

About PTC Therapeutics, Inc.

PTC is a global biopharmaceutical company focused on the discovery, development and commercialization of clinically differentiated medicines that provide benefits to patients with rare disorders. PTC's ability to globally commercialize products is the foundation that drives investment in a robust and diversified pipeline of transformative medicines and our mission to provide access to best-in-class treatments for patients who have an unmet medical need. The company's strategy is to leverage its strong scientific expertise and global commercial infrastructure to maximize value for its patients and other stakeholders. To learn more about PTC, please visit us at www.ptcbio.com and follow us on Facebook, on Twitter at @PTCBio, and on LinkedIn.

For More Information:

Investors:
Kylie O'Keefe
+1 (908) 300-0691
kokeefe@ptcbio.com

Media:
Jeanine Clemente
+1 (908) 912-9406
jclemente@ptcbio.com

Forward-Looking Statements:

This press release contains forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. All statements contained in this release, other than statements of historic fact, are forward-looking statements, including the information provided under the heading "PTC Updates Full Year 2024 Revenue Guidance", including with respect to (i) 2024 total revenue guidance, (ii) 2024 GAAP and non-GAAP R&D and SG&A expense guidance and (iii) 2024 acquisition related milestone payment guidance, and statements regarding: the future expectations, plans and prospects for PTC, including with respect to the expected timing of clinical trials and studies, availability of data, regulatory submissions and responses, commercialization and other matters with respect to its products and product candidates; PTC's strategy, future operations, future financial position, future revenues, projected costs; the extent, timing and financial aspects of our strategic pipeline prioritization and reductions in workforce; and the objectives of management. Other forward-looking statements may be identified by the words, "guidance", "plan," "anticipate," "believe," "estimate," "expect," "intend," "may," "target," "potential," "will," "would," "could," "should," "continue," and similar expressions.

PTC's actual results, performance or achievements could differ materially from those expressed or implied by forward-looking statements it makes as a result of a variety of risks and uncertainties, including those related to: the outcome of pricing, coverage and reimbursement negotiations with third party payors for PTC's products or product candidates that PTC commercializes or may commercialize in the future; PTC's ability to maintain its marketing authorization of Translarna for the treatment of nmDMD in Brazil, Russia, the European Economic Area (EEA) and other regions, including whether the European Commission adopts the negative opinion from the Committee for Medicinal Products for Human Use (CHMP) for the conditional marketing authorization for Translarna in the EEA; PTC's ability to use the results of Study 041, a randomized, 18-month, placebo-controlled clinical trial of Translarna for the treatment of nmDMD followed by an 18-month open-label extension, and from its international drug registry study to support a marketing approval for Translarna for the treatment of nmDMD in the United States; whether investigators agree with PTC's interpretation of the results of clinical trials and the totality of clinical data from our trials in Translarna; expectations with respect to Upstaza, including any regulatory submissions and potential approvals, commercialization, manufacturing capabilities, the potential achievement of development, regulatory and sales milestones and contingent payments that PTC may be obligated to make; expectations with respect to the commercialization of Evrysdi under our SMA collaboration; expectations with respect to the commercialization of Tegsedi and Waylivra; the timing of and actual expenses incurred in connection with the discontinuation of PTC's preclinical and early research programs in gene therapy and reductions in workforce, which may be in different periods and may be materially higher than estimated; the savings that may result from the discontinuation of PTC's strategic pipeline prioritization and reductions in workforce, which may be materially less than expected; significant business effects, including the effects of industry, market, economic, political or regulatory conditions; changes in tax and other laws, regulations, rates and policies; the eligible patient base and commercial potential of PTC's products and product candidates; PTC's scientific approach and general development progress; the potential financial impact and benefits of PTC's leased biologics manufacturing facility; PTC's ability to satisfy its obligations under the terms of its lease agreements, including for its leased biologics manufacturing facility; the sufficiency of PTC's cash resources and its ability to obtain adequate financing in the future for its foreseeable and unforeseeable operating expenses and capital expenditures; and the factors discussed in the "Risk Factors" section of PTC's most recent Annual Report on Form 10-K, as well as any updates to these risk factors filed from time to time in PTC's other filings with the SEC. You are urged to carefully consider all such factors.

As with any pharmaceutical under development, there are significant risks in the development, regulatory approval and commercialization of new products. There are no guarantees that any product will receive or maintain regulatory approval in any territory, or prove to be commercially successful, including Translarna, Emflaza, Upstaza, Evrysdi, Tegsedi or Waylivra.

The forward-looking statements contained herein represent PTC's views only as of the date of this press release and PTC does not undertake or plan to update or revise any such forward-looking statements to reflect actual results or changes in plans, prospects, assumptions, estimates or projections, or other circumstances occurring after the date of this press release except as required by law.

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