OMNICARE INC

CUSIP: 681904108 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q2 2015
Shares 6,695 Value ($000) $631 Avg Close — Range —
Q1 2015
Shares 217,346 Value ($000) $16,749 Avg Close — Range —
Q4 2014
Shares 318,523 Value ($000) $23,230 Avg Close — Range —
Q3 2014
Shares 390,326 Value ($000) $24,302 Avg Close — Range —
Q2 2014
Shares 305,950 Value ($000) $20,367 Avg Close — Range —