 FERGUS FALLS, Minn.--BUSINESS WIRE--Otter Tail Corporation will issue a news release announcing first quarter 2022 earnings results on Monday, May 2, 2022 and will host a live conference call and webcast on Tuesday, May 3, 2022 at 10:00 a.m. CT to discuss the corporations financial and operating performance. Accompanying slides will be posted on the corporations website before the webcast begins. To access the live webcast, go to and select Webcast. Please 