RIO TINTO PLC

Ticker: RIO CUSIP: 767204100 Class: COM

EVERETT HARRIS & CO /CA/'s Holding History (CIK: 0001009254)

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

Q4 2014
Shares 5,010 Value ($000) $231 Avg Close — Range —
Q3 2014
Shares 5,010 Value ($000) $246 Avg Close — Range —
Q2 2014
Shares 5,290 Value ($000) $287 Avg Close — Range —
Q1 2014
Shares 5,406 Value ($000) $302 Avg Close — Range —
Q4 2013
Shares 5,406 Value ($000) $305 Avg Close — Range —
Q3 2013
Shares 5,406 Value ($000) $264 Avg Close — Range —
Q2 2013
Shares 5,406 Value ($000) $222 Avg Close — Range —