Investor Update

Roche purchases shares in tender offer for Spark Therapeutics, Inc.

Roche intends to complete Spark acquisition today

Basel, 17 December 2019 - Roche (SIX: RO, ROG; OTCQX: RHHBY) and Spark Therapeutics, Inc. (NASDAQ: ONCE) (“Spark”) today announced that Roche’s wholly owned subsidiary 022019 Merger Subsidiary, Inc. has accepted for payment all shares validly tendered and not validly withdrawn pursuant to its tender offer for all outstanding shares of common stock of Spark, at a price of USD 114.50 per share in cash.  The tender offer expired at 5:00 p.m., New York City time, on 16 December 2019 and was not extended.

Roche has been advised by Citibank, N.A., the depositary for the tender offer, that a total of approximately 23,276,342 shares of Spark’s common stock were validly tendered and not validly withdrawn in the tender offer, which represent approximately 60.4% of the total number of shares of Spark’s common stock outstanding.

Roche intends to complete the acquisition of Spark today through a merger of 022019 Merger Subsidiary, Inc. with and into Spark without a vote or meeting of Spark’s shareholders. In the merger, all shares of Spark not owned by Spark, Roche or Roche’s wholly owned subsidiaries (other than shares as to which appraisal rights have been validly exercised under Delaware law) will be converted into the right to receive the same cash consideration per share, less any applicable withholding taxes, as was paid in the tender offer. Following completion of the merger, Spark will become a wholly owned subsidiary of Roche and Spark’s shares will cease to be traded on the NASDAQ Stock Market.

About Spark Therapeutics
Spark Therapeutics is a fully integrated, commercial company committed to discovering, developing and delivering gene therapies. The company challenges the inevitability of genetic diseases, including blindness, haemophilia, lysosomal storage disorders and neurodegenerative diseases.

Founded in March 2013 as a result of the technology and know-how accumulated over two decades at Children’s Hospital of Philadelphia (CHOP), Spark Therapeutics’ investigational therapies have the potential to provide long-lasting effects, dramatically and positively changing the lives of patients with conditions where no, or only palliative, therapies exist. Greater understanding of the human genome and genetic abnormalities have allowed Spark Therapeutics’ scientists to tailor investigational therapies to patients suffering from very specific genetic diseases. This approach holds great promise in developing effective treatments to a host of inherited diseases.

Spark Therapeutics is headquartered in Philadelphia, Pennsylvania.

About Roche
Roche is a global pioneer in pharmaceuticals and diagnostics focused on advancing science to improve people’s lives. The combined strengths of pharmaceuticals and diagnostics under one roof have made Roche the leader in personalised healthcare – a strategy that aims to fit the right treatment to each patient in the best way possible.

Roche is the world’s largest biotech company, with truly differentiated medicines in oncology, immunology, infectious diseases, ophthalmology and diseases of the central nervous system. Roche is also the world leader in in vitro diagnostics and tissue-based cancer diagnostics, and a frontrunner in diabetes management. Founded in 1896, Roche continues to search for better ways to prevent, diagnose and treat diseases and make a sustainable contribution to society. The company also aims to improve patient access to medical innovations by working with all relevant stakeholders. More than thirty medicines developed by Roche are included in the World Health Organization Model Lists of Essential Medicines, among them life-saving antibiotics, antimalarials and cancer medicines. Moreover, for the tenth consecutive year, Roche has been recognised as the most sustainable company in the Pharmaceuticals Industry by the Dow Jones Sustainability Indices (DJSI).

The Roche Group, headquartered in Basel, Switzerland, is active in over 100 countries and in 2018 employed about 94,000 people worldwide. In 2018, Roche invested CHF 11 billion in R&D and posted sales of CHF 56.8 billion. Genentech, in the United States, is a wholly owned member of the Roche Group. Roche is the majority shareholder in Chugai Pharmaceutical, Japan. For more information, please visit www.roche.com.

All trademarks used or mentioned in this release are protected by law.

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

SOME OF THE STATEMENTS CONTAINED IN THIS ANNOUNCEMENT ARE FORWARD-LOOKING STATEMENTS, INCLUDING STATEMENTS REGARDING, AMONG OTHER THINGS, THE EXPECTED CONSUMMATION OF THE TRANSACTION, WHICH INVOLVES A NUMBER OF RISKS AND UNCERTAINTIES, INCLUDING THE SATISFACTION OF CLOSING CONDITIONS FOR THE TRANSACTION, INCLUDING REGULATORY APPROVAL, THE TENDER OF A MAJORITY OF THE OUTSTANDING SHARES OF COMMON STOCK OF SPARK THERAPEUTICS, THE POSSIBILITY THAT THE TRANSACTION WILL NOT BE COMPLETED, AND OTHER RISKS AND UNCERTAINTIES DISCUSSED IN SPARK THERAPEUTICS’ PUBLIC FILINGS WITH THE UNITED STATES SECURITIES AND EXCHANGE COMMISSION (THE “SEC”), INCLUDING THE “RISK FACTORS” SECTIONS OF SPARK THERAPEUTICS’ ANNUAL REPORT ON FORM 10-K FOR THE YEAR ENDED DECEMBER 31, 2018, AND IN ANY SUBSEQUENT PERIODIC REPORTS ON FORM 10-Q AND FORM 8-K, AS WELL AS THE TENDER OFFER DOCUMENTS FILED BY ROCHE AND ITS ACQUISITION SUBSIDIARY AND THE SOLICITATION/RECOMMENDATION FILED BY SPARK THERAPEUTICS. THESE STATEMENTS ARE BASED ON CURRENT EXPECTATIONS, ASSUMPTIONS, ESTIMATES AND PROJECTIONS, AND INVOLVE KNOWN AND UNKNOWN RISKS, UNCERTAINTIES AND OTHER FACTORS THAT MAY CAUSE RESULTS, LEVELS OF ACTIVITY, PERFORMANCE OR ACHIEVEMENTS TO BE MATERIALLY DIFFERENT FROM ANY FUTURE STATEMENTS. THESE STATEMENTS ARE GENERALLY IDENTIFIED BY WORDS OR PHRASES SUCH AS “BELIEVE”, “ANTICIPATE”, “EXPECT”, “INTEND”, “PLAN”, “WILL”, “MAY”, “SHOULD”, “ESTIMATE”, “PREDICT”, “POTENTIAL”, “CONTINUE” OR THE NEGATIVE OF SUCH TERMS OR OTHER SIMILAR EXPRESSIONS. IF UNDERLYING ASSUMPTIONS PROVE INACCURATE OR UNKNOWN RISKS OR UNCERTAINTIES MATERIALIZE, ACTUAL RESULTS AND THE TIMING OF EVENTS MAY DIFFER MATERIALLY FROM THE RESULTS AND/OR TIMING DISCUSSED IN THE FORWARD-LOOKING STATEMENTS, AND YOU SHOULD NOT PLACE UNDUE RELIANCE ON THESE STATEMENTS. ROCHE AND SPARK THERAPEUTICS DISCLAIM ANY INTENT OR OBLIGATION TO UPDATE ANY FORWARD-LOOKING STATEMENTS AS A RESULT OF DEVELOPMENTS OCCURRING AFTER THE PERIOD COVERED BY THIS REPORT OR OTHERWISE.

Roche Investor Relations 
Dr. Karl Mahler
Phone: +41 61 68-78503
e-mail: karl.mahler@roche.com

Jon Kaspar Bayard
Phone: +41 61 68-83894
e-mail: jon_kaspar.bayard@roche.com
Dr. Sabine Borngräber
Phone: +41 61 68-88027
e-mail: sabine.borngraeber@roche.com

Dr. Bruno Eschli
Phone: +41 61 68-75284
e-mail: bruno.eschli@roche.com
Dr. Birgit Masjost
Phone: +41 61 68-84814
e-mail: birgit.masjost@roche.com
Dr. Gerard Tobin
Phone: +41 61 68-72942
e-mail: gerard.tobin@roche.com
  
Investor Relations North America 
Loren Kalm
Phone: +1 650 225 3217
e-mail: kalm.loren@gene.com
Dr. Lisa Tuomi
Phone: +1 650 467 8737
e-mail: tuomi.lisa@gene.com

Attachment