UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): March 20, 2020

OTTER TAIL CORPORATION

(Exact name of registrant as specified in its charter)

Minnesota	0-53713	27-0383995
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

215 South Cascade Street, P.O. Box 496, Fergus Falls, MN 56538-0496

(Address of principal executive offices, including zip code)

(866) 410-8780

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Shares, par value $5.00 per share	OTTR	The Nasdaq Stock Market LLC

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.03     Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

On March 20, 2020, the Board of Directors of Otter Tail Corporation (the "Company") amended and restated its Bylaws to clarify that Board and shareholder meetings may be held by means of remote communication. A copy of the Restated Bylaws are attached as Exhibit 3.1 and are incorporated herein by reference. 

Item 8.01    Other Events.

On March 20, 2020, the Company issued a press release announcing that its 2020 Annual Meeting of Shareholders will be held as a virtual meeting in light of the public health threat posed by the coronavirus pandemic. A copy of the press release is filed as Exhibit 99.1.

Item 9.01    Financial Statements and Exhibits

(d)	Exhibits
	3.1	Restated Bylaws dated March 20, 2020.
	99.1	Press Release issued March 20, 2020.
	104	Cover Page Interactive Data File (embedded within Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	OTTER TAIL CORPORATION
Date: March 20, 2020	By:	/s/ Jennifer O. Smestad
		Jennifer O. Smestad
		Vice President, General Counsel and Corporate Secretary