MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

Westchester Capital Management, LLC's Holding History (CIK: 0001512805)

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

Q4 2013

Shares 80,000 Value ($000) $4,004 Avg Close $31.29 Range $29.09 - $32.94

Q2 2013

Shares 3,000 Value ($000) $139 Avg Close $30.02 Range $28.02 - $32.11

Q1 2013

Shares 500 Value ($000) $22 Avg Close $27.22 Range $25.89 - $28.80

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	80,000	$4,004	$31.29	$29.09 - $32.94
Q2 2013	3,000	$139	$30.02	$28.02 - $32.11
Q1 2013	500	$22	$27.22	$25.89 - $28.80