IHS INC

CUSIP: 451734107 Class: COM

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q1 2016
Shares 637 Value ($000) $79 Avg Close — Range —
Q3 2015
Shares 34 Value ($000) $4 Avg Close — Range —