DUN & BRADSTREET CORP DEL NE

CUSIP: 26483E100 Class: COM

Horizon Investment Services, LLC's Holding History (CIK: 0001426940)

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

Q4 2013
Shares 1,637 Value ($000) $201 Avg Close — Range —
Q3 2013
Shares 2,533 Value ($000) $263 Avg Close — Range —
Q2 2013
Shares 2,567 Value ($000) $250 Avg Close — Range —