ALNYLAM PHARMACEUTICALS INC

Ticker: ALNY CUSIP: 02043Q107 Class: EQTY

NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC's Holding History (CIK: 0001629649)

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

Q4 2015

Shares 7,165 Value ($000) $675 Avg Close $92.72 Range $71.14 - $110.75

Q3 2015

Shares 7,140 Value ($000) $574 Avg Close $111.10 Range $76.46 - $137.89

Q2 2015

Shares 7,140 Value ($000) $856 Avg Close $119.50 Range $98.63 - $140.00

Q1 2015

Shares 6,760 Value ($000) $706 Avg Close $101.34 Range $82.06 - $121.93

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	7,165	$675	$92.72	$71.14 - $110.75
Q3 2015	7,140	$574	$111.10	$76.46 - $137.89
Q2 2015	7,140	$856	$119.50	$98.63 - $140.00
Q1 2015	6,760	$706	$101.34	$82.06 - $121.93