Operator
Good morning. My name is Ashley, and I ll be your conference operator today. At this time, I would like to welcome everyone to the Biogen s First Quarter Earnings Call and Financial Updates. All lines have been placed on mute to prevent any background noise. After the speakers remarks, there will be a question-and-answer session. [Operator Instructions]
Thank you. I would now like to turn the conference over to Mr. Mike Hencke, Director, Investor Relations. Mr. Hencke, you may begin your conference.
Mike Hencke
Director of Investor Relations
Good morning, and welcome to Biogen s first quarter 2021 earnings call. Before we begin, I encourage everyone to go to the Investors section of biogen.com to find the earnings release and related financial tables, including our GAAP financial measures and a reconciliation of the GAAP to non-GAAP financial measures that we will discuss today.