SILICON LABORATORIES INC

Ticker: SLAB CUSIP: 826919102 Class: Common Stock

LOCKHEED MARTIN INVESTMENT MANAGEMENT CO's Holding History (CIK: 0000897599)

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

Q4 2015

Shares 36,000 Value ($000) $1,747 Avg Close $49.45 Range $40.03 - $54.72

Q3 2015

Shares 36,000 Value ($000) $1,495 Avg Close $45.65 Range $39.33 - $55.08

Q2 2015

Shares 36,000 Value ($000) $1,944 Avg Close $53.48 Range $49.62 - $58.54

Q1 2015

Shares 112,000 Value ($000) $5,686 Avg Close $48.54 Range $42.61 - $52.83

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	36,000	$1,747	$49.45	$40.03 - $54.72
Q3 2015	36,000	$1,495	$45.65	$39.33 - $55.08
Q2 2015	36,000	$1,944	$53.48	$49.62 - $58.54
Q1 2015	112,000	$5,686	$48.54	$42.61 - $52.83