News Release

Synlogic and Mirna Investor Conference Call Information

May 16, 2017

Synlogic and Mirna Therapeutics will host a conference call to discuss the proposed transaction as well as Synlogic’s platform and pipeline assets on May 16, 2017 at 8:30 AM ET. The live webcast can be accessed through the information below. The conference call will be archived on both the Mirna and Synlogic websites for at least 30 days.

Webcast Link:

Participant Toll-Free Dial-In Number: (844) 815-2882

Participant International Dial-In Number: (213) 660-0926

Conference ID 24465241