Dimension Therapeutics to Hold Full Year 2016 Financial Results and Recent Program Updates Conference Call

Dimension Therapeutics, Inc. (NASDAQ:DMTX), a biopharmaceutical company advancing novel, adeno-associated virus (AAV) gene therapies targeting the liver, a key organ for human metabolism, today announced that it will report financial results for the full year ended December 31, 2016, on Thursday, March 9, 2017. Following distribution of the earnings release via wire services, Dimension Therapeutics will host a live conference call and webcast at 8:30 a.m. Eastern Time to review the Company’s financial results and provide a business update.

Members of the Company’s management team will also be joined by Dr. Steven Pipe, Director of the Division of Pediatric Hematology and Oncology and Pediatric Medical Director of the Hemophilia and Coagulation Disorders Program at the C.S. Mott Children’s Hospital of the University of Michigan, and the lead investigator on the hemophilia B clinical trial.

The live webcast can be accessed by visiting the investor relations section of the Dimension Therapeutics website at www.dimensiontx.com. Please connect to the Company's website at least 15 minutes prior to the live webcast to ensure adequate time for any software download that may be needed to access the webcast. Alternatively, please call 844-804-8784 (U.S.) or 210-229-8833 (International) to listen to the conference call. The conference ID number for the live call will be 84164743. An archive of the webcast will be available until March 23, 2017 on the investor relations section of the Company’s website.

About Dimension Therapeutics, Inc.

Dimension Therapeutics, Inc. (NASDAQ:DMTX) is a leader in discovering and developing new therapeutic products for people living with devastating rare and metabolic diseases associated with the liver, based on the most advanced mammalian adeno-associated virus (AAV) gene delivery technology. Dimension is actively progressing its broad pipeline, which features programs addressing unmet needs for patients suffering from inherited metabolic diseases, including OTC deficiency, GSDIa, citrullinemia type 1, PKU, Wilson disease, a collaboration with Bayer in hemophilia A, and a wholly owned clinical program in hemophilia B. Dimension has two phase 1/2 clinical trials for the treatment of hemophilia B and OTC deficiency. The company targets diseases with readily identifiable patient populations, highly predictive preclinical models, and well-described, and often clinically validated, biomarkers. Founded in 2013, Dimension maintains headquarters in Cambridge, Massachusetts.

For more information, please visit www.dimensiontx.com.

Contacts:

Jean Franchi
Chief Financial Officer
Dimension Therapeutics
617-714-0709
[e-mail]

Burns McClellan, on behalf of Dimension Therapeutics
Media: Justin Jackson
212-213-0006, ext.327
[e-mail]