Southern Company Series 2017B 5.25% Junior Subordinated Notes due 2077

So long as no Event of Default has occurred and is continuing, The Southern Company may defer interest payments on the Series 2017B Junior Subordinated Notes on one or more occasions for up to 40 consecutive quarterly periods as described in this Prospectus Supplement. Deferred interest payments will accrue additional interest at a rate of 5.25% per year, compounded quarterly, to the extent permitted by applicable law.