SALIX PHARMACEUTICALS INC

CUSIP: 795435106 Class: COM

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

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

Q1 2015
Shares 10,900 Value ($000) $1,884 Avg Close — Range —
Q4 2014
Shares 2,835 Value ($000) $326 Avg Close — Range —
Q3 2014
Shares 19,366 Value ($000) $3,026 Avg Close — Range —
Q2 2014
Shares 2,062 Value ($000) $254 Avg Close — Range —
Q1 2014
Shares 3,300 Value ($000) $342 Avg Close — Range —