STEEL DYNAMICS INC

Ticker: STLD CUSIP: 858119100 Class: COMMON STOCK

SENTINEL TRUST CO LBA's Holding History (CIK: 0001114739)

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

Q3 2017

Shares 17,535 Value ($000) $605 Avg Close $29.48 Range $27.05 - $32.51

Q2 2017

Shares 21,555 Value ($000) $772 Avg Close $28.97 Range $26.88 - $31.37

Q1 2017

Shares 44,025 Value ($000) $1,530 Avg Close $29.67 Range $27.09 - $32.02

Q4 2016

Shares 55,615 Value ($000) $1,978 Avg Close $26.10 Range $19.35 - $33.31

Q3 2016

Shares 109,595 Value ($000) $2,738 Avg Close $21.06 Range $18.79 - $23.10

Q2 2016

Shares 135,918 Value ($000) $3,330 Avg Close $20.03 Range $17.68 - $22.12

Q1 2016

Shares 159,691 Value ($000) $3,595 Avg Close $15.36 Range $12.48 - $18.79

Q4 2015

Shares 152,018 Value ($000) $2,717 Avg Close $14.45 Range $13.12 - $15.93

Q3 2015

Shares 162,130 Value ($000) $2,786 Avg Close $15.53 Range $13.35 - $17.42

Q2 2015

Shares 163,495 Value ($000) $3,387 Avg Close $17.16 Range $15.54 - $18.46

Q1 2015

Shares 59,030 Value ($000) $1,186 Avg Close $14.75 Range $13.06 - $16.57

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	17,535	$605	$29.48	$27.05 - $32.51
Q2 2017	21,555	$772	$28.97	$26.88 - $31.37
Q1 2017	44,025	$1,530	$29.67	$27.09 - $32.02
Q4 2016	55,615	$1,978	$26.10	$19.35 - $33.31
Q3 2016	109,595	$2,738	$21.06	$18.79 - $23.10
Q2 2016	135,918	$3,330	$20.03	$17.68 - $22.12
Q1 2016	159,691	$3,595	$15.36	$12.48 - $18.79
Q4 2015	152,018	$2,717	$14.45	$13.12 - $15.93
Q3 2015	162,130	$2,786	$15.53	$13.35 - $17.42
Q2 2015	163,495	$3,387	$17.16	$15.54 - $18.46
Q1 2015	59,030	$1,186	$14.75	$13.06 - $16.57