Analyst Coverage

Firm Analyst
Barclays Research
Gena Wang
BMO Capital Markets Corp.
Do Kim
Cowen and Co., LLC
Eric Schmidt
Evercore ISI
Josh Schimmer
Goldman, Sachs & Co.
Salveen Richter
Janney Montgomery Scott LLC
Debjit Chattopadhyay
Jefferies & Company
Eun Yang
J.P. Morgan Securities Inc.
Jessica Fye
Laidlaw & Company
Yale Jen
Leerink Swann & Company
Paul Matteis
Morgan Stanley & Co. LLC
David Lebowitz
Needham & Company, LLC
Chad Messer
Piper Jaffray & Co.
Joshua Schimmer
Sanford C. Bernstein & Co., L.L.C.
Vincent Chen
Stifel Nicolaus
Stephen Willey
Wells Fargo Securities, LLC
James Birchenough

Ionis Pharmaceuticals, Inc. is followed by the analysts listed above. Please note that any opinions, estimates or forecasts regarding Ionis Pharmaceuticals, Inc.'s performance made by these analysts are theirs alone and do not represent opinions, forecasts or predictions of Ionis Pharmaceuticals, Inc. or its management. Ionis Pharmaceuticals, Inc. does not by its reference above or distribution imply its endorsement of or concurrence with such information, conclusions or recommendations.