SOUTHWESTERN ENERGY CO

CUSIP: 845467109 Class: Common Stock

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

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

Q3 2013
Shares 156,920 Value ($000) $5,709 Avg Close — Range —
Q2 2013
Shares 152,680 Value ($000) $5,577 Avg Close — Range —