Dicerna R&D Update Webcast Reminder

Dicerna Pharmaceuticals, Inc. (NASDAQ:DRNA), a leader in the development of RNAi-based therapeutics targeting genetically defined oncology and inherited rare diseases, announces webcast and conference call information for its previously announced R&D Update webcast later today, December 15, 2014, at 4:30 p.m. Eastern Time.

A live webcast of the presentation can be accessed by visiting "Events & Presentations" in the Investors and Media section on the Company's website at www.dicerna.com. An archived replay of the webcast will be available on the Company's website after the conference.

The call can also be accessed by dialing (855)-453-3834 or (484) 756-4306 (international), and referencing conference ID 42098350 prior to the start of the call.

About Dicerna Pharmaceuticals, Inc.

Dicerna Pharmaceuticals, Inc., is a biopharmaceutical company focused on the discovery and development of innovative treatments for rare, inherited diseases involving the liver and for cancers that are genetically defined. The company is using its proprietary RNA interference (RNAi) technology platform to build a broad pipeline in these therapeutic areas. In both rare diseases and oncology, Dicerna is pursuing targets that have been difficult to address using conventional approaches, but where connections between targets and diseases are well understood and documented. The company intends to discover, develop and commercialize novel therapeutics either on its own or in collaboration with pharmaceutical partners. For more information, please visit www.dicerna.com.