CLEARSIGN TECHNOLOGIES CORP

Ticker: CLIR CUSIP: 185064102 Class: COM

MERCER GLOBAL ADVISORS INC /ADV's Holding History (CIK: 0000853758)

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

Q3 2019

Shares 15,000 Value ($000) $18 Avg Close $1.24 Range $1.06 - $1.50

Q2 2019

Shares 20,000 Value ($000) $23 Avg Close $0.92 Range $0.75 - $1.49

Q1 2019

Shares 80,000 Value ($000) $82 Avg Close $1.10 Range $0.85 - $1.40

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	15,000	$18	$1.24	$1.06 - $1.50
Q2 2019	20,000	$23	$0.92	$0.75 - $1.49
Q1 2019	80,000	$82	$1.10	$0.85 - $1.40