MGE ENERGY INC

Ticker: MGEE CUSIP: 55277P104 Class: EQTY

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q2 2014

Shares 500 Value ($000) $20 Avg Close $29.46 Range $27.99 - $30.75

Q1 2014

Shares 2,250 Value ($000) $88 Avg Close $29.37 Range $27.30 - $31.39

Q4 2013

Shares 700 Value ($000) $41 Avg Close $28.24 Range $26.59 - $29.81

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2014	500	$20	$29.46	$27.99 - $30.75
Q1 2014	2,250	$88	$29.37	$27.30 - $31.39
Q4 2013	700	$41	$28.24	$26.59 - $29.81