Co-movers

daily closes · 499dMethod

Moved together

ATOwithSRE

×0.83co-movement · SRE on ATO · 499d

r 0.51scale to r 0.75

Shared co-movers3with ATOwith SRE

LNTAlliant Energy Corpr 0.75r 0.53

AEEAmeren Corpr 0.76r 0.53

DTEDTE Energy Cor 0.72r 0.50

ATO, solidSRE, hatched× = co-movement · βr = correlationBar = r to r 0.75Order: weaker of A and BSource: daily closes

ATOAtmos Energy Corp

174.71+0.03%

Mkt cap$29.5BRevenue$879MQ3 FY26Revenue$4.7BFY25

SRESempra

85.55−0.49%

Regular sessionNov 3 '26

Mkt cap$56.2BRevenue$3.0BQ2 FY26Revenue$13.7BFY25

vs

Compare

Regular sessionNov 3 '26

ATOAtmos Energy Corp

vs

SRESempra

174.71+0.03%

Price

85.55−0.49%

$29.5B

Mkt cap

$56.2B

Q3 FY26$879M

Revenue

$3.0BQ2 FY26

FY25$4.7B

Revenue

$13.7BFY25

ATO compared with SRE: revenue, margins and what each company keeps, and the suppliers and customers both name