MGE Energy (MGEE) Proxy Filing summary

Executive summary

• Shareholders are encouraged to vote their proxies online, by phone, or by mail, with instructions provided for each method.

• Notice of Internet Availability is sent to reduce costs and environmental impact, with options to request printed materials.

Voting matters and shareholder proposals

• Shareholders are provided with a 16-digit control number to access voting instructions and materials online.

• Voting can be completed online, by phone, or by requesting a paper ballot.

Shareholder rights and capital structure

• Shareholders can opt to receive future proxy materials electronically, enhancing convenience and sustainability.