FERROGLOBE PLC

Ticker: GSM CUSIP: G33856108 Class: SHS

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q3 2018

Shares 183,378 Value ($000) $1,179 Avg Close $7.76 Range $6.54 - $8.38

Q2 2018

Shares 216,497 Value ($000) $1,745 Avg Close $10.12 Range $8.11 - $12.51

Q1 2018

Shares 216,502 Value ($000) $2,392 Avg Close $14.68 Range $9.92 - $16.75

Q4 2017

Shares 228,683 Value ($000) $3,478 Avg Close $14.91 Range $12.66 - $16.95

Q3 2017

Shares 232,952 Value ($000) $3,732 Avg Close $12.50 Range $11.45 - $13.92

Q2 2017

Shares 230,475 Value ($000) $2,899 Avg Close $9.75 Range $8.22 - $11.74

Q4 2015

Shares 65,763 Value ($000) $598 Avg Close $10.52 Range $8.24 - $13.33

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	183,378	$1,179	$7.76	$6.54 - $8.38
Q2 2018	216,497	$1,745	$10.12	$8.11 - $12.51
Q1 2018	216,502	$2,392	$14.68	$9.92 - $16.75
Q4 2017	228,683	$3,478	$14.91	$12.66 - $16.95
Q3 2017	232,952	$3,732	$12.50	$11.45 - $13.92
Q2 2017	230,475	$2,899	$9.75	$8.22 - $11.74
Q4 2015	65,763	$598	$10.52	$8.24 - $13.33