IPC THE HOSPITALIST CO INC

CUSIP: 44984A105 Class: COM

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q1 2015
Shares 14,017 Value ($000) $654 Avg Close — Range —
Q4 2014
Shares 92,300 Value ($000) $4,236 Avg Close — Range —
Q3 2014
Shares 35,967 Value ($000) $1,611 Avg Close — Range —
Q2 2014
Shares 69,510 Value ($000) $3,074 Avg Close — Range —
Q1 2014
Shares 24,554 Value ($000) $1,205 Avg Close — Range —
Q4 2013
Shares 23,340 Value ($000) $1,386 Avg Close — Range —
Q3 2013
Shares 9,656 Value ($000) $492 Avg Close — Range —
Q2 2013
Shares 45,851 Value ($000) $2,355 Avg Close — Range —