DEXCOM INC

Ticker: DXCM CUSIP: 252131107 Class: EQTY

PERKINS CAPITAL MANAGEMENT INC's Holding History (CIK: 0000884300)

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

Q1 2014

Shares 6,000 Value ($000) $248 Avg Close $10.34 Range $8.53 - $12.46

Q4 2013

Shares 7,000 Value ($000) $248 Avg Close $7.91 Range $6.67 - $8.99

Q3 2013

Shares 7,400 Value ($000) $209 Avg Close $6.33 Range $5.44 - $7.31

Q2 2013

Shares 10,300 Value ($000) $231 Avg Close $4.79 Range $3.76 - $5.74

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	6,000	$248	$10.34	$8.53 - $12.46
Q4 2013	7,000	$248	$7.91	$6.67 - $8.99
Q3 2013	7,400	$209	$6.33	$5.44 - $7.31
Q2 2013	10,300	$231	$4.79	$3.76 - $5.74