Alliant Energy closes $575M 3.250% convertible notes offering due 2028

ALLIANT ENERGY CORP

$575M aggregate principal of 3.250% convertible senior notes due 2028 issued, including full $75M option exercise.
Initial conversion rate 13.1773 shares per $1,000 principal, conversion price ~$75.89/share (27.5% premium).
Net proceeds ~$567M (after discounts) to repay debt, reduce commercial paper, or general corporate purposes.
Notes mature May 30, 2028; interest payable semi-annually starting Nov 30, 2025.

item 1.01 item 2.03 item 3.02 item 8.01 item 9.01

This headline and bullets were generated automatically by deepseek-v4-flash:cloud@v2 from the public filing. Read the source on SEC.gov before relying on any specific claim. Not investment advice. See methodology for how this pipeline works.