LIGHTBRIDGE CORP

CUSIP: 53224K104 Class: COMMON STOCK

NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO's Holding History (CIK: 0001141802)

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

Q1 2015
Shares 700 Value ($000) $1 Avg Close — Range —
Q2 2014
Shares 1,834 Value ($000) $5 Avg Close — Range —