STEEL DYNAMICS INC

Ticker: STLD CUSIP: 858119100 Class: COMMON STOCK

CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT's Holding History (CIK: 0001329375)

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

Q4 2015

Shares 25,846 Value ($000) $462 Avg Close $14.45 Range $13.12 - $15.93

Q4 2014

Shares 45,000 Value ($000) $888 Avg Close $16.97 Range $14.81 - $18.55

Q1 2014

Shares 25,858 Value ($000) $460 Avg Close $13.53 Range $12.21 - $15.09

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	25,846	$462	$14.45	$13.12 - $15.93
Q4 2014	45,000	$888	$16.97	$14.81 - $18.55
Q1 2014	25,858	$460	$13.53	$12.21 - $15.09