Computershare Maintenance

Dear Shareholders, 

Computershare, MGE Energy's transfer agent, will be conducting planned maintenance to its web applications and phone system.

• Computershare's web applications, including Investor Center, will be unavailable from 3 p.m. Central Time on Friday, Sept 4, 2020, through the evening of Sunday Sept 6, 2020. 
• Computershare's automated telephone system also will be unavailable from 7 p.m. Central Time on Friday, Sept 4, 2020, through the evening of Sunday, Sept 6, 2020. 

We apologize for any inconvenience.

MGE Energy Shareholder Services