AEMETIS INC

Ticker: AMTX CUSIP: 00770K202 Class: Common Stock

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q4 2021

Shares 106,090 Value ($000) $1,305 Avg Close $17.66 Range $11.69 - $23.33

Q3 2021

Shares 106,090 Value ($000) $1,939 Avg Close $11.05 Range $8.13 - $19.74

Q2 2021

Shares 106,090 Value ($000) $1,185 Avg Close $15.76 Range $8.67 - $27.42

Q1 2021

Shares 737,775 Value ($000) $18,090 Avg Close $11.17 Range $2.54 - $27.44

Q4 2020

Shares 1,485,599 Value ($000) $3,699 Avg Close $3.04 Range $1.96 - $5.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	106,090	$1,305	$17.66	$11.69 - $23.33
Q3 2021	106,090	$1,939	$11.05	$8.13 - $19.74
Q2 2021	106,090	$1,185	$15.76	$8.67 - $27.42
Q1 2021	737,775	$18,090	$11.17	$2.54 - $27.44
Q4 2020	1,485,599	$3,699	$3.04	$1.96 - $5.10