PRONAI THERAPEUTICS INC

CUSIP: 74346L101 Class: COM

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q4 2016
Shares 1,166,619 Value ($000) $1,738 Avg Close — Range —
Q3 2016
Shares 1,387,115 Value ($000) $2,525 Avg Close — Range —
Q2 2016
Shares 1,608,702 Value ($000) $3,201 Avg Close — Range —
Q1 2016
Shares 3,001,302 Value ($000) $20,229 Avg Close — Range —
Q4 2015
Shares 1,791,255 Value ($000) $26,940 Avg Close — Range —
Q3 2015
Shares 1,348,401 Value ($000) $27,669 Avg Close — Range —