BALLARD PWR SYS INC NEW

Ticker: BLDP CUSIP: 058586108 Class: COM

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2020

Shares 90,964 Value ($000) $2,129 Avg Close $18.42 Range $14.41 - $24.60

Q3 2020

Shares 26,879 Value ($000) $406 Avg Close $16.10 Range $12.68 - $21.61

Q1 2018

Shares 61,394 Value ($000) $218 Avg Close $3.55 Range $2.90 - $4.50

Q4 2016

Shares 573 Value ($000) $1 Avg Close $1.99 Range $1.61 - $2.53

Q1 2015

Shares 1,491 Value ($000) $3 Avg Close $2.02 Range $1.41 - $3.10

Q4 2014

Shares 2,138 Value ($000) $4 Avg Close $2.45 Range $1.57 - $3.23

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	90,964	$2,129	$18.42	$14.41 - $24.60
Q3 2020	26,879	$406	$16.10	$12.68 - $21.61
Q1 2018	61,394	$218	$3.55	$2.90 - $4.50
Q4 2016	573	$1	$1.99	$1.61 - $2.53
Q1 2015	1,491	$3	$2.02	$1.41 - $3.10
Q4 2014	2,138	$4	$2.45	$1.57 - $3.23