STEEL DYNAMICS INC

Ticker: STLD CUSIP: 858119100 Class: COMMON STOCK

WASATCH ADVISORS LP's Holding History (CIK: 0000814133)

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

Q4 2017

Shares 87,891 Value ($000) $3,791 Avg Close $32.46 Range $28.33 - $37.17

Q3 2017

Shares 87,891 Value ($000) $3,030 Avg Close $29.48 Range $27.05 - $32.51

Q2 2017

Shares 87,891 Value ($000) $3,147 Avg Close $28.97 Range $26.88 - $31.37

Q1 2017

Shares 104,519 Value ($000) $3,633 Avg Close $29.67 Range $27.09 - $32.02

Q4 2016

Shares 123,019 Value ($000) $4,377 Avg Close $26.10 Range $19.35 - $33.31

Q3 2016

Shares 414,311 Value ($000) $10,354 Avg Close $21.06 Range $18.79 - $23.10

Q2 2016

Shares 414,311 Value ($000) $10,151 Avg Close $20.03 Range $17.68 - $22.12

Q1 2016

Shares 782,604 Value ($000) $17,867 Avg Close $15.36 Range $12.48 - $18.79

Q4 2015

Shares 1,478,046 Value ($000) $26,413 Avg Close $14.45 Range $13.12 - $15.93

Q3 2015

Shares 1,634,249 Value ($000) $28,076 Avg Close $15.53 Range $13.35 - $17.42

Q2 2015

Shares 467,241 Value ($000) $9,679 Avg Close $17.16 Range $15.54 - $18.46

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	87,891	$3,791	$32.46	$28.33 - $37.17
Q3 2017	87,891	$3,030	$29.48	$27.05 - $32.51
Q2 2017	87,891	$3,147	$28.97	$26.88 - $31.37
Q1 2017	104,519	$3,633	$29.67	$27.09 - $32.02
Q4 2016	123,019	$4,377	$26.10	$19.35 - $33.31
Q3 2016	414,311	$10,354	$21.06	$18.79 - $23.10
Q2 2016	414,311	$10,151	$20.03	$17.68 - $22.12
Q1 2016	782,604	$17,867	$15.36	$12.48 - $18.79
Q4 2015	1,478,046	$26,413	$14.45	$13.12 - $15.93
Q3 2015	1,634,249	$28,076	$15.53	$13.35 - $17.42
Q2 2015	467,241	$9,679	$17.16	$15.54 - $18.46