Dicernatm to Present at the Stifel 2019 Healthcare Conference

Dicernatm Pharmaceuticals, Inc. (Nasdaq: DRNA) (the "Company" or "Dicerna"), a leading developer of investigational ribonucleic acid interference (RNAi) therapeutics, today announced that Douglas M. Fambrough, Ph.D., president and chief executive officer, will present at the Stifel 2019 Healthcare Conference on Tuesday, November 19, 2019 at 11:30 a.m. EST in New York City.

A live audio webcast of the presentation will be accessible within the Investors & Media section on the Dicerna website at www.dicerna.com. An archived replay of the webcast will be available on the Company's website after the conference.

About Dicernatm Pharmaceuticals, Inc.

Dicernatm Pharmaceuticals, Inc., is a biopharmaceutical company using ribonucleic acid (RNA) interference (RNAi) to develop medicines that silence genes that cause disease. The Company's proprietary GalXCtm technology is being applied to develop potent, selective, and safe RNAi therapies to treat diseases involving the liver, including rare diseases, chronic liver diseases, cardiovascular diseases, and viral infectious diseases. Dicerna aims to treat disease by addressing the underlying causes of illness with capabilities that extend beyond the liver to address a broad range of diseases, focusing on target genes where connections between gene and disease are well understood and documented. Dicerna intends to discover, develop, and commercialize novel therapeutics either on its own or in collaboration with pharmaceutical partners. Dicerna has strategic collaborations with Roche*, Eli Lilly and Company, Alexion Pharmaceuticals, Inc., and Boehringer Ingelheim International GmbH. For more information, please visit www.dicerna.com.

*Announced Oct. 31, 2019. The transaction is subject to clearance under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 and other customary closing conditions.

Dicernatm and GalXCtm are trademarks of Dicerna Pharmaceuticals, Inc.