NATURAL GROCERS BY VITAMIN C

Ticker: NGVC CUSIP: 63888U108 Class: Common Stock

Granahan Investment Management, LLC's Holding History (CIK: 0001026710)

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

Q1 2016

Shares 66,250 Value ($000) $1,409 Avg Close $14.39 Range $11.86 - $16.03

Q4 2015

Shares 205,190 Value ($000) $4,180 Avg Close $15.86 Range $13.94 - $18.48

Q3 2015

Shares 256,707 Value ($000) $5,825 Avg Close $17.16 Range $14.17 - $20.49

Q2 2015

Shares 275,300 Value ($000) $6,778 Avg Close $18.31 Range $16.12 - $21.37

Q1 2015

Shares 275,300 Value ($000) $7,601 Avg Close $20.35 Range $17.75 - $25.01

Q4 2014

Shares 498,600 Value ($000) $14,046 Avg Close $14.86 Range $11.36 - $20.53

Q3 2014

Shares 550,600 Value ($000) $8,964 Avg Close $14.39 Range $11.44 - $17.35

Q2 2014

Shares 550,600 Value ($000) $11,788 Avg Close $19.64 Range $13.54 - $31.45

Q1 2014

Shares 550,600 Value ($000) $24,039 Avg Close $29.12 Range $23.95 - $31.88

Q4 2013

Shares 95,236 Value ($000) $4,043 Avg Close $27.51 Range $24.64 - $30.50

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	66,250	$1,409	$14.39	$11.86 - $16.03
Q4 2015	205,190	$4,180	$15.86	$13.94 - $18.48
Q3 2015	256,707	$5,825	$17.16	$14.17 - $20.49
Q2 2015	275,300	$6,778	$18.31	$16.12 - $21.37
Q1 2015	275,300	$7,601	$20.35	$17.75 - $25.01
Q4 2014	498,600	$14,046	$14.86	$11.36 - $20.53
Q3 2014	550,600	$8,964	$14.39	$11.44 - $17.35
Q2 2014	550,600	$11,788	$19.64	$13.54 - $31.45
Q1 2014	550,600	$24,039	$29.12	$23.95 - $31.88
Q4 2013	95,236	$4,043	$27.51	$24.64 - $30.50