MERCK & CO INC

CUSIP: 58933y105 Class: CS

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2013
Shares 75,532 Value ($000) $3,780 Avg Close — Range —
Q3 2013
Shares 117,755 Value ($000) $5,607 Avg Close — Range —
Q2 2013
Shares 126,457 Value ($000) $5,874 Avg Close — Range —