SOUTHERN CO

Ticker: SO CUSIP: 842587107 Class: COM

Capital World Investors's Holding History (CIK: 0001422849)

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

Q4 2025

Shares 41,142,076 Value ($000) $3,587,589 Avg Close $90.89 Range $83.80 - $100.02

Q3 2025

Shares 33,548,852 Value ($000) $3,179,425 Avg Close $92.22 Range $88.94 - $94.90

Q2 2025

Shares 7,981,421 Value ($000) $732,934 Avg Close $87.99 Range $81.08 - $91.39

Q1 2017

Shares 4,220,465 Value ($000) $210,095 Avg Close $34.16 Range $32.95 - $35.78

Q4 2016

Shares 5,022,775 Value ($000) $247,070 Avg Close $33.55 Range $31.75 - $35.47

Q1 2014

Shares 5,330,000 Value ($000) $234,200 Avg Close $25.27 Range $24.07 - $26.63

Q4 2013

Shares 5,330,000 Value ($000) $219,116 Avg Close $24.56 Range $23.83 - $25.39

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	41,142,076	$3,587,589	$90.89	$83.80 - $100.02
Q3 2025	33,548,852	$3,179,425	$92.22	$88.94 - $94.90
Q2 2025	7,981,421	$732,934	$87.99	$81.08 - $91.39
Q1 2017	4,220,465	$210,095	$34.16	$32.95 - $35.78
Q4 2016	5,022,775	$247,070	$33.55	$31.75 - $35.47
Q1 2014	5,330,000	$234,200	$25.27	$24.07 - $26.63
Q4 2013	5,330,000	$219,116	$24.56	$23.83 - $25.39