SMARTPROS LTD

CUSIP: 83171G103 Class: COM

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q1 2015
Shares 11,282 Value ($000) $20 Avg Close — Range —
Q4 2014
Shares 10,304 Value ($000) $16 Avg Close — Range —