PureTech Announces Annual Results for Year Ended December 31, 2022

PureTech Health plc (Nasdaq: PRTC, LSE: PRTC) ('PureTech' or the 'Company') today announces its results for the year ended December 31, 2022, as well as its cash balance as of the first quarter ended March 31, 2023.

The following information represents select highlights from the full UK annual report and accounts, except as noted herein, a portion of which will be filed as an exhibit to PureTech's Annual Report on Form 20-F for the year ended December 31, 2022, to be filed with the United States Securities and Exchange Commission (the 'SEC') and is also available at https://investors.puretechhealth.com/financials-filings/reports.

Commenting on the annual results, Daphne Zohar, Founder and Chief Executive Officer of PureTech, said: '2022 was an exceptional year that has shaped the next phase of PureTech's development and furthered our mission of giving life to new classes of medicines to change the lives of patients with devastating diseases.

'I'm proud that we continue to have one of the most productive track records in biopharma. Across our Wholly Owned Pipeline and Founded Entities, we've developed the platforms and programs resulting in 27 therapeutics and therapeutic candidates. Two have gone from inception at PureTech through FDA and EU regulatory clearances, and a third (Karuna's KarXT) is expected to be filed soon for FDA approval. Within our Wholly Owned Pipeline alone, we completed five clinical trials in 2022, making this our busiest year in the clinic yet.

'Notably, it is due to the success of our unique model that we have been able to generate non-dilutive funding to support our clinical progress and innovation engine, and we have not needed to raise money from the capital markets in over five years. In the last 8 months alone, we generated approximately $215.4 million from a combination of sale of Founded Entity stock and the upfront payment from Royalty Pharma, which acquired an interest in our royalty in Karuna's KarXT for up to $500 million.

'Looking ahead to the next 12 months, we anticipate multiple important catalysts. We have also advanced several additional molecules into candidate selection, and we expect to announce progress towards the clinic with these new candidates in due course.

'PureTech is poised for another dynamic year as we enter the next phase of our growth with a promising Wholly Owned Pipeline. We believe we are in a position to move these new medicines forward quickly and efficiently, and we expect to achieve a number of milestones over the course of 2023 and beyond.'

Also commenting on the annual results, Christopher Viehbacher, Chair of PureTech's Board, said: 'As a member of PureTech's Board of Directors for nearly a decade, I have seen the Company grow as a biopharmaceutical pioneer, and 2022 was the most noteworthy year yet. PureTech's track record of clinical success is six times the industry average, and the Company has pioneered new classes of medicine that are positioned to impact the lives of millions of patients.

'What also stands out to me is how our disciplined approach to development and financial management has created a focused, well-capitalized organization with a clear mission and differentiated value. I have consistently been impressed by how much PureTech achieves with very little resources, especially relative to many of its peers. Given the current macro-economic conditions, this will only become more imperative for companies and the patients and shareholders they serve.

'I am proud to have worked so closely with such a talented and passionate team as I conclude my tenure as Board Chair. As PureTech embarks on a new phase of clinical expansion, I look forward to the multiple exciting milestones ahead in important areas of medical need. The groundbreaking business model and seasoned management team of PureTech remain standouts in the industry, and I believe this will steer the enterprise through continued success in 2023 and beyond. On behalf of the Board, I thank our shareholders for your continued support of our work to change the treatment paradigm for patients.'

As previously noted, Mr. Viehbacher was recently appointed President, Chief Executive Officer and a member of the Board of Biogen Inc. (Nasdaq: BIIB). Given the time commitment required by this new role, Mr. Viehbacher will not stand for re-election at the Company's 2023 Annual General Meeting (AGM) and accordingly will step down from the Company's Board of Directors effective from the close of the AGM. The Nomination Committee has initiated a process to identify a new Chair, and, in the interim, Dr. Raju Kucherlapati will serve as Interim Chair to fulfill the leadership requirements and governance obligations of the role. In addition, Dr. John LaMattina will join the Audit Committee of the Board, filling the seat vacated by Mr. Viehbacher. The changes to the Board roles of Drs. Kucherlapati and LaMattina will be effective from the close of the Company's AGM.

About PureTech Health

PureTech is a clinical-stage biotherapeutics company dedicated to giving life to new classes of medicine to change the lives of patients with devastating diseases. The Company has created a broad and deep pipeline through its experienced research and development team and its extensive network of scientists, clinicians and industry leaders that is being advanced both internally and through its Founded Entities. PureTech's R&D engine has resulted in the development of 27 therapeutics and therapeutic candidates, including two (Plenity and EndeavorRx) that have received both US FDA clearance and European marketing authorization and a third (KarXT) that is expected to be filed soon for FDA approval. A number of these programs are being advanced by PureTech or its Founded Entities in various indications and stages of clinical development, including registration enabling studies. All of the underlying programs and platforms that resulted in this pipeline of therapeutic candidates were initially identified or discovered and then advanced by the PureTech team through key validation points.

Cautionary Note Regarding Forward-Looking Statements

This press release contains statements that are or may be forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements contained in this press release that do not relate to matters of historical fact should be considered forward-looking statements, including without limitation those statements that relate to expectations regarding PureTech's and its Founded Entities' future prospects, development plans and strategies, the progress and timing of clinical trials and data readouts, the timing of potential regulatory submissions, and the sufficiency of available resources and expected operational runway. The forward-looking statements are based on current expectations and are subject to known and unknown risks, uncertainties and other important factors that could cause actual results, performance and achievements to differ materially from current expectations, including, but not limited to, the following: our history of incurring significant operating losses since our inception; our need for additional funding to achieve our business goals, which may not be available and which may force us to delay, limit or terminate certain of our therapeutic development efforts; our limited information about and limited control or influence over our Non-Controlled Founded Entities; the lengthy and expensive process of preclinical and clinical drug development, which has an uncertain outcome and potential for substantial delays; potential difficulties with enrolling patients in clinical trials, which could delay our clinical development activities; side effects, adverse events or other safety risks which could be associated with our therapeutic candidates and delay or halt their clinical development; our ability to obtain regulatory approval for and commercialize our therapeutic candidates; our ability to realize the benefits of our collaborations, licenses and other arrangements; our ability to maintain and protect our intellectual property rights; our reliance on third parties, including clinical research organizations, clinical investigators and manufacturers; our vulnerability to natural disasters, global economic factors, geo-political actions and unexpected events and those additional important factors described under the caption 'Risk Factors' in our Annual Report on Form 20-F for the year ended December 31, 2022 filed with the SEC and in our other regulatory filings. These forward-looking statements are based on assumptions regarding the present and future business strategies of the Company and the environment in which it will operate in the future. Each forward-looking statement speaks only as at the date of this press release. Except as required by law and regulatory requirements, we disclaim any obligation to update or revise these forward-looking statements, whether as a result of new information, future events or otherwise.

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