FERROGLOBE PLC

Ticker: GSM CUSIP: G33856108 Class: SHS

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q2 2022

Shares 505,934 Value ($000) $3,005 Avg Close $6.85 Range $5.26 - $8.44

Q1 2022

Shares 673,015 Value ($000) $5,182 Avg Close $6.66 Range $4.42 - $9.57

Q1 2017

Shares 784,264 Value ($000) $8,101 Avg Close $10.13 Range $8.88 - $12.06

Q4 2016

Shares 1,196,926 Value ($000) $12,963 Avg Close $9.90 Range $8.21 - $11.62

Q3 2016

Shares 793,342 Value ($000) $7,164 Avg Close $8.42 Range $7.33 - $9.65

Q2 2016

Shares 325,071 Value ($000) $2,799 Avg Close $8.61 Range $7.43 - $10.02

Q1 2016

Shares 209,392 Value ($000) $1,845 Avg Close $8.04 Range $6.47 - $10.65

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2022	505,934	$3,005	$6.85	$5.26 - $8.44
Q1 2022	673,015	$5,182	$6.66	$4.42 - $9.57
Q1 2017	784,264	$8,101	$10.13	$8.88 - $12.06
Q4 2016	1,196,926	$12,963	$9.90	$8.21 - $11.62
Q3 2016	793,342	$7,164	$8.42	$7.33 - $9.65
Q2 2016	325,071	$2,799	$8.61	$7.43 - $10.02
Q1 2016	209,392	$1,845	$8.04	$6.47 - $10.65