PTLA Portola Pharmaceuticals Inc

Portola Pharmaceuticals, Inc.® (Nasdaq:PTLA) announced today that it will host a webcast and conference call to discuss the Company’s financial results for the quarter and year ended December 31, 2016, and provide a general business overview on Tuesday, February 28, 2017, at 4:30 p.m. ET (1:30 p.m. PT).

Conference Call DetailsThe live conference call on Tuesday, February 28, 2017, at 4:30 p.m. Eastern Time, can be accessed by phone by calling (844) 452-6828 from the United States and Canada or 1 (765)-507-2588 internationally and using the passcode 71935945. The webcast can be accessed live on the Investor Relations section of the Company's website at http://investors.portola.com. It will be archived for 30 days following the call.

About Portola Pharmaceuticals, Inc. Portola Pharmaceuticals is a biopharmaceutical company developing product candidates that could significantly advance the fields of thrombosis and other hematologic diseases. The Company is advancing three programs, including betrixaban, an oral, once-daily Factor Xa inhibitor; AndexXa™ (andexanet alfa), a recombinant protein designed to reverse the anticoagulant effect in patients treated with an oral or injectable Factor Xa inhibitor; and cerdulatinib, a Syk/JAK inhibitor in development to treat hematologic cancers. Portola's partnered program is focused on developing selective Syk inhibitors for inflammatory conditions. For more information, visit www.portola.com and follow the Company on Twitter @Portola_Pharma.

Investor Contact:      
Ana Kapor                    
Portola Pharmaceuticals 
ir@portola.com          

Media Contact:
Julie Normart
Pure Communications
jnormart@purecommunications.com 
415.946.1087