DEXCOM INC

Ticker: DXCM CUSIP: 252131107 Class: EQTY

FORT WASHINGTON INVESTMENT ADVISORS INC /OH/'s Holding History (CIK: 0001009016)

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

Q4 2013

Shares 125,585 Value ($000) $4,447 Avg Close $7.91 Range $6.67 - $8.99

Q3 2013

Shares 154,334 Value ($000) $4,355 Avg Close $6.33 Range $5.44 - $7.31

Q2 2013

Shares 242,199 Value ($000) $5,437 Avg Close $4.79 Range $3.76 - $5.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	125,585	$4,447	$7.91	$6.67 - $8.99
Q3 2013	154,334	$4,355	$6.33	$5.44 - $7.31
Q2 2013	242,199	$5,437	$4.79	$3.76 - $5.74