ALTAIR NANOTECHNOLOGIES INC

CUSIP: 021373303 Class: COM PAR $0.001

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

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

Q3 2014
Shares 14,988 Value ($000) $9 Avg Close — Range —
Q2 2014
Shares 14,988 Value ($000) $51 Avg Close — Range —
Q1 2014
Shares 14,988 Value ($000) $65 Avg Close — Range —
Q4 2013
Shares 14,988 Value ($000) $62 Avg Close — Range —
Q3 2013
Shares 14,988 Value ($000) $39 Avg Close — Range —
Q2 2013
Shares 14,988 Value ($000) $33 Avg Close — Range —