SOUTHERN UNION COMPANY

CUSIP: 844030106 Class: COMMON STOCK

SECURIAN ASSET MANAGEMENT, INC's Holding History (CIK: 0001035350)

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

Q4 2011
Shares 18,965 Value ($000) $799 Avg Close — Range —
Q3 2011
Shares 18,629 Value ($000) $756 Avg Close — Range —