BALLARD PWR SYS INC NEW

Ticker: BLDP CUSIP: 058586108 Class: COM

MAINSTAY CAPITAL MANAGEMENT LLC /ADV's Holding History (CIK: 0001127612)

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

Q3 2018

Shares 650 Value ($000) $3 Avg Close $3.31 Range $2.80 - $4.62

Q2 2018

Shares 650 Value ($000) $2 Avg Close $3.15 Range $2.57 - $3.75

Q1 2018

Shares 650 Value ($000) $2 Avg Close $3.55 Range $2.90 - $4.50

Q4 2017

Shares 650 Value ($000) $3 Avg Close $4.89 Range $4.23 - $5.94

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	650	$3	$3.31	$2.80 - $4.62
Q2 2018	650	$2	$3.15	$2.57 - $3.75
Q1 2018	650	$2	$3.55	$2.90 - $4.50
Q4 2017	650	$3	$4.89	$4.23 - $5.94