ADVANCED EMISSIONS SOLUTS IN

Ticker: ARQ CUSIP: 00770C101 Class: COM

EVERETT HARRIS & CO /CA/'s Holding History (CIK: 0001009254)

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

Q4 2014

Shares 14,600 Value ($000) $333 Avg Close $15.53 Range $14.40 - $17.84

Q3 2014

Shares 14,600 Value ($000) $311 Avg Close $16.46 Range $14.59 - $18.49

Q2 2014

Shares 14,600 Value ($000) $335 Avg Close $16.83 Range $13.29 - $19.84

Q1 2014

Shares 14,600 Value ($000) $358 Avg Close $19.55 Range $16.66 - $21.56

Q4 2013

Shares 7,300 Value ($000) $396 Avg Close $17.66 Range $13.54 - $22.08

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	14,600	$333	$15.53	$14.40 - $17.84
Q3 2014	14,600	$311	$16.46	$14.59 - $18.49
Q2 2014	14,600	$335	$16.83	$13.29 - $19.84
Q1 2014	14,600	$358	$19.55	$16.66 - $21.56
Q4 2013	7,300	$396	$17.66	$13.54 - $22.08