RIO TINTO PLC

Ticker: RIO CUSIP: 767204100 Class: COM

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q2 2015
Shares 10,000 Value ($000) $412 Avg Close — Range —
Q1 2015
Shares 10,187 Value ($000) $421 Avg Close — Range —
Q4 2014
Shares 10,187 Value ($000) $469 Avg Close — Range —
Q3 2014
Shares 10,187 Value ($000) $502 Avg Close — Range —
Q2 2014
Shares 10,187 Value ($000) $551 Avg Close — Range —
Q1 2014
Shares 8,187 Value ($000) $456 Avg Close — Range —
Q4 2013
Shares 187 Value ($000) $10 Avg Close — Range —
Q3 2013
Shares 187 Value ($000) $9 Avg Close — Range —