PORTOLA PHARMACEUTICALS INC

CUSIP: 737010108 Class: COM

EVENTIDE ASSET MANAGEMENT, LLC's Holding History (CIK: 0001442891)

Note: Option positions (PUT/CALL) are excluded.

Q1 2016
Shares 393,000 Value ($000) $8,017 Avg Close — Range —
Q4 2015
Shares 475,800 Value ($000) $24,480 Avg Close — Range —
Q3 2015
Shares 479,900 Value ($000) $20,453 Avg Close — Range —
Q2 2015
Shares 405,300 Value ($000) $18,461 Avg Close — Range —
Q1 2015
Shares 405,300 Value ($000) $15,385 Avg Close — Range —
Q4 2014
Shares 372,400 Value ($000) $10,546 Avg Close — Range —
Q3 2014
Shares 372,400 Value ($000) $9,414 Avg Close — Range —
Q2 2014
Shares 372,400 Value ($000) $10,867 Avg Close — Range —
Q1 2014
Shares 363,500 Value ($000) $9,415 Avg Close — Range —
Q4 2013
Shares 173,300 Value ($000) $4,462 Avg Close — Range —