POWERSHARES QQQ TRUST

CUSIP: 73935A104 Class: COM

WAFRA INC.'s Holding History (CIK: 0000920440)

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

Q4 2014
Shares 21,250 Value ($000) $2,194,000 Avg Close — Range —
Q2 2014
Shares 55,000 Value ($000) $5,165,000 Avg Close — Range —