RIO ALTO MNG LTD NEW

CUSIP: 76689T104 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q1 2015
Shares 3,145,740 Value ($000) $7,749 Avg Close — Range —
Q4 2014
Shares 2,599,190 Value ($000) $6,329 Avg Close — Range —
Q3 2014
Shares 2,954,790 Value ($000) $7,060 Avg Close — Range —