Otter Tail Corp — Director's Dealing 2021

Feb 9, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Otter Tail Corp (OTTR)
CIK: 0001466593
Period of Report: 2021-02-06

Reporting Person: ROGELSTAD TIMOTHY J (Sr VP, Elect Plat, Pres OTP)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-02-06	Common Stock	M	1700	—	Acquired	29965	Direct
2021-02-06	Common Stock	F	928	$41.6625	Disposed	29037	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-02-06	Restricted Stock Units	$	M	425	Disposed		Common Stock (0)	Direct
2021-02-06	Restricted Stock Units	$	M	450	Disposed		Common Stock (450)	Direct
2021-02-06	Restricted Stock Units	$	M	425	Disposed		Common Stock (850)	Direct
2021-02-06	Restricted Stock Units	$	M	400	Disposed		Common Stock (1200)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2877	Indirect

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation common stock.

F2: These shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e).

F3: Total direct holdings include shares jointly held with spouse, shares acquired individually through the Employee Stock Purchase Plan and shares acquired pursuant to Restricted Stock Awards and Performance Award distributions.

F4: The restricted stock units vest in four equal annual installments which began February 6, 2018.

F5: The restricted stock units vest in four equal annual installments which began the date shown above.