PLUG POWER INC

Ticker: PLUG CUSIP: 72919P202 Class: Common Stock

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q1 2023

Shares 109,319 Value ($000) $1,281 Avg Close $14.30 Range $10.30 - $18.88

Q4 2022

Shares 114,239 Value ($000) $1,413 Avg Close $15.92 Range $11.49 - $23.45

Q3 2022

Shares 85,233 Value ($000) $1,791 Avg Close $23.85 Range $14.75 - $31.56

Q2 2022

Shares 85,442 Value ($000) $1,416 Avg Close $19.84 Range $12.70 - $32.05

Q1 2022

Shares 8,328 Value ($000) $238 Avg Close $23.83 Range $17.51 - $29.99

Q4 2021

Shares 7,394 Value ($000) $209 Avg Close $34.60 Range $23.81 - $46.50

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	109,319	$1,281	$14.30	$10.30 - $18.88
Q4 2022	114,239	$1,413	$15.92	$11.49 - $23.45
Q3 2022	85,233	$1,791	$23.85	$14.75 - $31.56
Q2 2022	85,442	$1,416	$19.84	$12.70 - $32.05
Q1 2022	8,328	$238	$23.83	$17.51 - $29.99
Q4 2021	7,394	$209	$34.60	$23.81 - $46.50