MERCK & CO INC

CUSIP: 589331107 Class: COM

America First Investment Advisors, LLC's Holding History (CIK: 0001308778)

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

Q1 2017
Shares 400 Value ($000) $25 Avg Close — Range —
Q4 2014
Shares 300 Value ($000) $17 Avg Close — Range —
Q3 2014
Shares 300 Value ($000) $18 Avg Close — Range —
Q2 2014
Shares 200 Value ($000) $12 Avg Close — Range —
Q1 2014
Shares 200 Value ($000) $11 Avg Close — Range —
Q4 2013
Shares 200 Value ($000) $10 Avg Close — Range —
Q3 2013
Shares 200 Value ($000) $10 Avg Close — Range —