OVASCIENCE INC

CUSIP: 69014Q101 Class: COM

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

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

Q1 2015
Shares 407,108 Value ($000) $14,139 Avg Close — Range —
Q4 2014
Shares 627,050 Value ($000) $27,728 Avg Close — Range —
Q3 2014
Shares 1,135,173 Value ($000) $18,844 Avg Close — Range —
Q2 2014
Shares 1,649,449 Value ($000) $15,125 Avg Close — Range —
Q1 2014
Shares 1,672,549 Value ($000) $14,953 Avg Close — Range —
Q4 2013
Shares 605,561 Value ($000) $5,535 Avg Close — Range —
Q3 2013
Shares 607,461 Value ($000) $6,020 Avg Close — Range —
Q2 2013
Shares 555,555 Value ($000) $7,628 Avg Close — Range —