CAMBRIDGE, Mass.--(BUSINESS WIRE)--Alnylam Pharmaceuticals, Inc. (Nasdaq: ALNY), a leading RNAi therapeutics company, today announced that management will present a company overview at the Piper Jaffray 23rd Annual Health Care Conference on Tuesday, November 29, 2011 at 12:30 p.m. ET at The New York Palace. A live audio webcast of the presentation will be available on the News & Investors section of the company’s website, www.alnylam.com. A replay of the presentation will be available on the Alnylam website within 48 hours after the event.