SOUTHERN CO

CUSIP: 842587DZ7 Class: NOTE 4.500% 6/1

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025
Shares 3,000,000 Value ($000) $3,201 Avg Close — Range —
Q3 2025
Shares 3,000,000 Value ($000) $3,335 Avg Close — Range —