BRUKER CORP

Ticker: BRKR CUSIP: 116794108 Class: Common Stock

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q4 2014

Shares 196,315 Value ($000) $3,852 Avg Close $18.48 Range $16.57 - $20.21

Q3 2014

Shares 196,885 Value ($000) $3,645 Avg Close $20.52 Range $17.69 - $23.91

Q2 2014

Shares 196,885 Value ($000) $4,778 Avg Close $20.84 Range $18.95 - $23.94

Q1 2014

Shares 196,945 Value ($000) $4,488 Avg Close $20.94 Range $18.30 - $23.43

Q4 2013

Shares 197,325 Value ($000) $3,901 Avg Close $18.83 Range $17.04 - $20.48

Q3 2013

Shares 197,645 Value ($000) $4,081 Avg Close $18.35 Range $14.80 - $20.27

Q2 2013

Shares 18,330 Value ($000) $296 Avg Close $16.60 Range $15.08 - $18.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	196,315	$3,852	$18.48	$16.57 - $20.21
Q3 2014	196,885	$3,645	$20.52	$17.69 - $23.91
Q2 2014	196,885	$4,778	$20.84	$18.95 - $23.94
Q1 2014	196,945	$4,488	$20.94	$18.30 - $23.43
Q4 2013	197,325	$3,901	$18.83	$17.04 - $20.48
Q3 2013	197,645	$4,081	$18.35	$14.80 - $20.27
Q2 2013	18,330	$296	$16.60	$15.08 - $18.41