OGE ENERGY CORP

Ticker: OGE CUSIP: 670837103 Class: COM

TORTOISE CAPITAL ADVISORS, L.L.C.'s Holding History (CIK: 0001280965)

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

Q4 2013

Shares 75,000 Value ($000) $2,543 Avg Close $35.79 Range $32.85 - $40.00

Q3 2013

Shares 412,724 Value ($000) $14,895 Avg Close $36.14 Range $33.85 - $39.55

Q2 2013

Shares 184,162 Value ($000) $12,560 Avg Close $34.79 Range $32.20 - $36.59

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	75,000	$2,543	$35.79	$32.85 - $40.00
Q3 2013	412,724	$14,895	$36.14	$33.85 - $39.55
Q2 2013	184,162	$12,560	$34.79	$32.20 - $36.59