OSI SYSTEMS INC

Ticker: OSIS CUSIP: 671044105 Class: EQTY

Ledyard National Bank's Holding History (CIK: 0001310658)

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

Q1 2014

Shares 60 Value ($000) $4 Avg Close $59.85 Range $51.85 - $66.78

Q4 2013

Shares 60 Value ($000) $3 Avg Close $68.42 Range $39.00 - $78.50

Q3 2013

Shares 500 Value ($000) $37 Avg Close $71.00 Range $63.20 - $76.25

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	60	$4	$59.85	$51.85 - $66.78
Q4 2013	60	$3	$68.42	$39.00 - $78.50
Q3 2013	500	$37	$71.00	$63.20 - $76.25