FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
MOUG KEVIN G
  2. Issuer Name and Ticker or Trading Symbol
Otter Tail Corp [OTTR] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
CFO & Sr VP
(Last)
(First)
(Middle)
215 SOUTH CASCADE STREET		 3. Date of Earliest Transaction (Month/Day/Year)
12/31/2023
(Street)

FERGUS FALLS, MN 56537		 4. If Amendment, Date Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4) 		7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 12/31/2023   A   13,800 (1) A $ 85.275 113,701 D  
Common Stock 12/31/2023   M   5,700 (2) A $ 85.275 119,401 (3) D  
Common Stock               368 I By ESOP

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5) 		6. Date Exercisable and Expiration Date
(Month/Day/Year) 		7. Title and Amount of Underlying Securities
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4) 		10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4) 		11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MOUG KEVIN G
215 SOUTH CASCADE STREET
FERGUS FALLS, MN 56537		       CFO & Sr VP  

Signatures

 /s/ Kevin G. Moug by James A. Versteeg, Attorney-in-Fact   01/02/2024
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Represents shares beneficially owned by the reporting person upon the vesting of Performance Share Awards that were granted in 2022 and 2023. Payout of these shares will be deferred until June 30, 2024 due to IRS section 409A restrictions and may be subject to tax withholding at payout.
(2) Represents shares beneficially owned by the reporting person upon the vesting of Restricted Stock Units that were previously reported. Payout of these shares will be deferred until June 30, 2024 due to IRS section 409A restrictions and may be subject to tax withholding at payout.
(3) 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, Restricted Stock Units, and Performance Share Awards.

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