LIGHTBRIDGE CORP

CUSIP: 53224K104 Class: COMMON STOCK

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

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

Q2 2016
Shares 20,000 Value ($000) $9 Avg Close — Range —
Q1 2016
Shares 20,000 Value ($000) $11 Avg Close — Range —
Q4 2015
Shares 20,000 Value ($000) $20 Avg Close — Range —
Q3 2015
Shares 20,000 Value ($000) $17 Avg Close — Range —
Q2 2015
Shares 20,000 Value ($000) $22 Avg Close — Range —
Q1 2015
Shares 20,000 Value ($000) $30 Avg Close — Range —
Q4 2014
Shares 20,000 Value ($000) $30 Avg Close — Range —
Q3 2014
Shares 20,000 Value ($000) $46 Avg Close — Range —
Q2 2014
Shares 20,000 Value ($000) $55 Avg Close — Range —
Q1 2014
Shares 20,000 Value ($000) $51 Avg Close — Range —
Q4 2013
Shares 20,000 Value ($000) $32 Avg Close — Range —
Q3 2013
Shares 20,000 Value ($000) $36 Avg Close — Range —
Q2 2013
Shares 20,000 Value ($000) $34 Avg Close — Range —