THERMOGENESIS CORP

CUSIP: 883623308 Class: COM

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q4 2013
Shares 49,674 Value ($000) $50 Avg Close — Range —
Q3 2013
Shares 49,674 Value ($000) $53 Avg Close — Range —
Q2 2013
Shares 49,674 Value ($000) $66 Avg Close — Range —