CELL THERAPEUTICS INC

CUSIP: 150934883 Class: COM NPV NEW 2012

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

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

Q1 2014
Shares 97,407 Value ($000) $331 Avg Close — Range —
Q4 2013
Shares 62,150 Value ($000) $120 Avg Close — Range —