SEVERN TRENT PLC

CUSIP: B1FH8J905 Class: COMMON

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q1 2014
Shares 45,084 Value ($000) $1,370 Avg Close — Range —
Q4 2013
Shares 23,913 Value ($000) $675 Avg Close — Range —