The securities litigation law firm of Brower Piven, A Professional Corporation, has commenced an investigation into possible breaches of fiduciary duty and other violations of state law by the Board of Directors of Dimension Therapeutics, Inc. (Nasdaq: DMTX) (“Dimension Therapeutics” or the “Company”) relating to the proposed buyout of Dimension Therapeutics by REGENXBIO Inc.

Under the terms of the agreement, Dimension Therapeutics shareholders are anticipated to receive 0.1573 shares of REGENXBIO for each share of Dimension Therapeutics common stock held. The firm’s investigation seeks to determine, among other things, whether the Company’s Board of Directors failed to satisfy their duties to shareholders, including whether the Board adequately pursued alternatives to the acquisition and whether the Board obtained the best price possible for the Company’s shares of common stock.

If you currently own common stock of Dimension Therapeutics and believe that the proposed buyout price is too low, and you would like to learn more about the investigation being conducted by Brower Piven, please visit our website at http://www.browerpiven.com/currentinvestigations.html. You may also request more information by contacting Brower Piven either by email at hoffman@browerpiven.com or by telephone at (410) 415-6616.

Attorneys at Brower Piven have extensive experience in litigating securities and other class action cases and have been advocating for the rights of shareholders since the 1980s.