RIO TINTO PLC

CUSIP: 0718875 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q2 2015
Shares 735,301 Value ($000) $30,228 Avg Close — Range —
Q1 2015
Shares 426,907 Value ($000) $17,567 Avg Close — Range —
Q4 2014
Shares 2,047,882 Value ($000) $95,795 Avg Close — Range —
Q3 2014
Shares 2,220,229 Value ($000) $109,113 Avg Close — Range —
Q2 2014
Shares 2,126,170 Value ($000) $113,007 Avg Close — Range —
Q1 2014
Shares 2,053,105 Value ($000) $114,236 Avg Close — Range —
Q4 2013
Shares 691,029 Value ($000) $39,023 Avg Close — Range —
Q3 2013
Shares 200,000 Value ($000) $9,791 Avg Close — Range —
Q2 2013
Shares 440,015 Value ($000) $17,905 Avg Close — Range —