Transaction Details

Footnotes

The reporting person receives one share of Common Stock for each restricted stock unit that vests. | Total direct holdings include shares acquired through the dividend reinvestment plan, the Employee Stock Purchase Plan, and shares acquired pursuant to restricted stock unit distributions. | Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock | Restricted stock units vest four years from date shown above | The restricted stock units vest in four equal annual installments beginning the date shown above