Form990-PF

Department of the Treasury
Internal Revenue Service

Return of Private Foundation
or Section 4947(a)(1) Trust Treated as Private Foundation
right arrowDo not enter social security numbers on this form as it may be made public.
right arrowGo to www.irs.gov/Form990PF for instructions and the latest information.
OMB No. 1545-0047
2024
Open to Public Inspection
For calendar year 2024, or tax year beginning 01-01-2024 , and ending 12-31-2024
Name of foundation
Otter Tail Corporation Foundation
 
% Kristi Flyen
Number and street (or P.O. box number if mail is not delivered to street address)215 South Cascade Street
  Room/suite
City or town, state or province, country, and ZIP or foreign postal code
Fergus Falls, MN565380496
A Employer identification number

83-1883575
B Telephone number (see instructions)

(701) 451-3562
C right arrow
G Check all that apply:

D 1. Foreign organizations, check here............. right arrow
2. Foreign organizations meeting the 85%
test, check here and attach computation ... right arrow
E right arrow
H Check type of organization:
F right arrow
I Fair market value of all assets at end
of year (from Part II, col. (c),
line 16)right arrow$15,980,684J Accounting method:
 
(Part I, column (d) must be on cash basis.)
Part I Analysis of Revenue and Expenses (The total of amounts in columns (b), (c), and (d) may not necessarily equal the amounts in column (a) (see instructions).) (a) Revenue and
expenses per
books 		(b) Net investment
income 		(c) Adjusted net
income 		(d) Disbursements
for charitable
purposes
(cash basis only)
Revenue 1 Contributions, gifts, grants, etc., received (attach schedule) 4,000,000
2 Check right arrow.............
3 Interest on savings and temporary cash investments      
4 Dividends and interest from securities... 387,644 387,644 0
5a Gross rents............      
b Net rental income or (loss)  
6a Net gain or (loss) from sale of assets not on line 10 Click to see attachment
List of Attached Documents:
// Content
215,674
b Gross sales price for all assets on line 6a 1,982,522
7 Capital gain net income (from Part IV, line 2)... 215,674
8 Net short-term capital gain.........  
9 Income modifications........... 0
10a Gross sales less returns and allowances 0
b Less: Cost of goods sold.... 0
c Gross profit or (loss) (attach schedule)..... 0 0
11 Other income (attach schedule)....... 0 0 0
12 Total. Add lines 1 through 11........ 4,603,318 603,318 0
Operating and Administrative Expenses 13 Compensation of officers, directors, trustees, etc. 0 0 0 0
14 Other employee salaries and wages...... 0 0 0 0
15 Pension plans, employee benefits....... 0 0 0 0
16a Legal fees (attach schedule)......... 0 0 0 0
b Accounting fees (attach schedule)....... 0 0 0 0
c Other professional fees (attach schedule).... Click to see attachment
List of Attached Documents:
// Content
58,947 58,947 0 0
17 Interest............... 0 0 0 0
18 Taxes (attach schedule) (see instructions)... Click to see attachment
List of Attached Documents:
// Content
7,518 0 0 0
19 Depreciation (attach schedule) and depletion... 0 0 0
20 Occupancy.............. 0 0 0 0
21 Travel, conferences, and meetings....... 0 0 0 0
22 Printing and publications.......... 0 0 0 0
23 Other expenses (attach schedule)....... Click to see list of attachments
List of Attached Documents:
// Content
657 328 0 327
24 Total operating and administrative expenses.
Add lines 13 through 23.......... 67,122 59,275 0 327
25 Contributions, gifts, grants paid....... 987,469 796,025
26 Total expenses and disbursements. Add lines 24 and 25 1,054,591 59,275 0 796,352
27 Subtract line 26 from line 12:
a Excess of revenue over expenses and disbursements 3,548,727
b Net investment income (if negative, enter -0-) 544,043
c Adjusted net income (if negative, enter -0-)... 0
For Paperwork Reduction Act Notice, see instructions.
Cat. No. 11289X Form 990-PF (2024)
Form 990-PF (2024)
Page 2
Part II Balance Sheets Attached schedules and amounts in the description column
should be for end-of-year amounts only. (See instructions.) 		Beginning of year End of year
(a) Book Value (b) Book Value (c) Fair Market Value
Assets 1 Cash—non-interest-bearing............. 0 0 0
2 Savings and temporary cash investments......... 439,280 560,166 560,166
3 Accounts receivable right arrow  
Less: allowance for doubtful accounts right arrow   0 0 0
4 Pledges receivable right arrow  
Less: allowance for doubtful accounts right arrow   0 0 0
5 Grants receivable................. 0 0 0
6 Receivables due from officers, directors, trustees, and other
disqualified persons (attach schedule) (see instructions)..... 0 0  
7 Other notes and loans receivable (attach schedule) right arrow  
Less: allowance for doubtful accounts right arrow   0 0  
8 Inventories for sale or use.............. 0 0 0
9 Prepaid expenses and deferred charges.......... 0 0 0
10a Investments—U.S. and state government obligations (attach schedule)   0  
b Investments—corporate stock (attach schedule)....... 0 0  
c Investments—corporate bonds (attach schedule).......   0  
11 Investments—land, buildings, and equipment: basis right arrow0
Less: accumulated depreciation (attach schedule) right arrow0 0 0 0
12 Investments—mortgage loans............. 0 0 0
13 Investments—other (attach schedule).......... 10,862,945 Click to see attachment
List of Attached Documents:
// Content
15,420,518 		15,420,518
14 Land, buildings, and equipment: basis right arrow  
Less: accumulated depreciation (attach schedule) right arrow     0  
15 Other assets (describe right arrow) 0 0 0
16 Total assets (to be completed by all filers—see the
instructions. Also, see page 1, item I) 11,302,225 15,980,684 15,980,684
Liabilities 17 Accounts payable and accrued expenses.......... 0 0
18 Grants payable................. 160,000 351,444
19 Deferred revenue................. 0 0
20 Loans from officers, directors, trustees, and other disqualified persons 0 0
21 Mortgages and other notes payable (attach schedule)......   0
22 Other liabilities (describe right arrow) Click to see attachment
List of Attached Documents:
// Content
0 		Click to see attachment
List of Attached Documents:
// Content
0
23 Total liabilities (add lines 17 through 22)......... 160,000 351,444
Net Assets or Fund Balances Foundations that follow FASB ASC 958, check here right arrow
and complete lines 24, 25, 29 and 30.
24 Net assets without donor restrictions........... 11,142,225 15,629,240
25 Net assets with donor restrictions............ 0 0
Foundations that do not follow FASB ASC 958, check here right arrow
and complete lines 26 through 30.
26 Capital stock, trust principal, or current funds........    
27 Paid-in or capital surplus, or land, bldg., and equipment fund    
28 Retained earnings, accumulated income, endowment, or other funds    
29 Total net assets or fund balances (see instructions)..... 11,142,225 15,629,240
30 Total liabilities and net assets/fund balances (see instructions). 11,302,225 15,980,684
Part III
Analysis of Changes in Net Assets or Fund Balances
1
Total net assets or fund balances at beginning of year—Part II, column (a), line 29 (must agree with end-of-year figure reported on prior year’s return) ...............
1
11,142,225
2
Enter amount from Part I, line 27a .....................
2
3,548,727
3
Other increases not included in line 2 (itemize) right arrowClick to see attachment
List of Attached Documents:
// Content
3
938,288
4
Add lines 1, 2, and 3 ..........................
4
15,629,240
5
Decreases not included in line 2 (itemize) right arrow
5
 
6
Total net assets or fund balances at end of year (line 4 minus line 5)—Part II, column (b), line 29 .
6
15,629,240
Form 990-PF (2024)
Form 990-PF (2024)
Page 3
Part IV
Capital Gains and Losses for Tax on Investment Income
(a) List and describe the kind(s) of property sold (e.g., real estate,
2-story brick warehouse; or common stock, 200 shs. MLC Co.)		 (b)
How acquired
P—Purchase
D—Donation 		(c)
Date acquired
(mo., day, yr.) 		(d)
Date sold
(mo., day, yr.)
1 a Public Traded Securities      
b Capital Gains Dividends P 2024-12-13 2024-12-23
c
d
e
(e)
Gross sales price 		(f)
Depreciation allowed
(or allowable) 		(g)
Cost or other basis
plus expense of sale 		(h)
Gain or (loss)
(e) plus (f) minus (g)
a 1,916,144 0 1,766,848 149,296
b 66,378 0 0 66,378
c
d
e
Complete only for assets showing gain in column (h) and owned by the foundation on 12/31/69 (l)
Gains (Col. (h) gain minus
col. (k), but not less than -0-) or
Losses (from col.(h))
(i)
F.M.V. as of 12/31/69 		(j)
Adjusted basis
as of 12/31/69 		(k)
Excess of col. (i)
over col. (j), if any
a       149,296
b       66,378
c
d
e
2 Capital gain net income or (net capital loss) Bracket If gain, also enter in Part I, line 7
If (loss), enter -0- in Part I, line 7		 Bracket 2 215,674
3 Net short-term capital gain or (loss) as defined in sections 1222(5) and (6):
If gain, also enter in Part I, line 8, column (c) (see instructions). If (loss), enter -0-
in Part I, line 8 ................... 		Bracket 3 0
Part V
Excise Tax Based on Investment Income (Section 4940(a), 4940(b), 4940(e), or 4948—see instructions)
1a Exempt operating foundations described in section 4940(d)(2), check here right arrow and enter “N/A" on line 1. Bracket for line 1a
Date of ruling or determination letter:   (attach copy of letter if necessary–see instructions) 1 7,562
b All other domestic foundations enter 1.39% (0.0139) of line 27b. Exempt foreign organizations enter 4% (0.04) of Part I, line 12, col. (b)
2 Tax under section 511 (domestic section 4947(a)(1) trusts and taxable foundations only. Others enter -0-) 2  
3 Add lines 1 and 2........................... 3 7,562
4 Subtitle A (income) tax (domestic section 4947(a)(1) trusts and taxable foundations only. Others enter -0-) 4  
5 Tax based on investment income. Subtract line 4 from line 3. If zero or less, enter -0- ..... 5 7,562
6 Credits/Payments:
a 2024 estimated tax payments and 2023 overpayment credited to 2024 6a 0
b Exempt foreign organizations—tax withheld at source...... 6b  
c Tax paid with application for extension of time to file (Form 8868)... 6c 0
d Backup withholding erroneously withheld .......... 6d 0
7 Total credits and payments. Add lines 6a through 6d.............. 7  
8 Enter any penalty for underpayment of estimated tax. Check here if Form 2220 is attached. 8  
9 Tax due. If the total of lines 5 and 8 is more than line 7, enter amount owed.......right arrow 9 7,562
10 Overpayment. If line 7 is more than the total of lines 5 and 8, enter the amount overpaid...right arrow 10  
11 Enter the amount of line 10 to be: Credited to 2025 estimated taxright arrow0 Refundedright arrow 11 0
Form 990-PF (2024)
Form 990-PF (2024)
Page 4
Part VI-A
Statements Regarding Activities
1a
During the tax year, did the foundation attempt to influence any national, state, or local legislation or did
Yes
No
it participate or intervene in any political campaign? ....................
1a
 
No
b
Did it spend more than $100 during the year (either directly or indirectly) for political purposes? See the instructions
for the definition.................................
1b
 
No
If the answer is "Yes" to 1a or 1b, attach a detailed description of the activities and copies of any materials
published or distributed by the foundation in connection with the activities.
c
Did the foundation file Form 1120-POL for this year?.....................
1c
 
No
d
Enter the amount (if any) of tax on political expenditures (section 4955) imposed during the year:
(1) On the foundation. right arrow$ 0(2) On foundation managers.right arrow$ 0
e
Enter the reimbursement (if any) paid by the foundation during the year for political expenditure tax imposed
on foundation managers.right arrow$ 0
2
Has the foundation engaged in any activities that have not previously been reported to the IRS?.......
2
 
No
If "Yes," attach a detailed description of the activities.
3
Has the foundation made any changes, not previously reported to the IRS, in its governing instrument, articles
of incorporation, or bylaws, or other similar instruments? If "Yes," attach a conformed copy of the changes....
3
 
No
4a
Did the foundation have unrelated business gross income of $1,000 or more during the year?.........
4a
 
No
b
If "Yes," has it filed a tax return on Form 990-T for this year?...................
4b
 
 
5
Was there a liquidation, termination, dissolution, or substantial contraction during the year?.........
5
 
No
If "Yes," attach the statement required by General Instruction T.
6
Are the requirements of section 508(e) (relating to sections 4941 through 4945) satisfied either:
round bullet By language in the governing instrument, or
round bullet By state legislation that effectively amends the governing instrument so that no mandatory directions
that conflict with the state law remain in the governing instrument? ................
6
Yes
 
7
Did the foundation have at least $5,000 in assets at any time during the year? If "Yes," complete Part II, col. (c),
and Part XIV..................................
7
Yes
 
8a
Enter the states to which the foundation reports or with which it is registered (see instructions)
right arrow
b
If the answer is "Yes" to line 7, has the foundation furnished a copy of Form 990-PF to the Attorney
General (or designate) of each state as required by General Instruction G? If "No," attach explanation .
8b
Yes
 
9
Is the foundation claiming status as a private operating foundation within the meaning of section 4942(j)(3)
or 4942(j)(5) for calendar year 2024 or the taxable year beginning in 2024? See the instructions for Part XIII.
If "Yes," complete Part XIII .............................
9
 
No
10
Did any persons become substantial contributors during the tax year? If "Yes," attach a schedule listing their names
and addresses. ...............................
10
 
No
11
At any time during the year, did the foundation, directly or indirectly, own a controlled entity within the
meaning of section 512(b)(13)? If "Yes," attach schedule. See instructions .............
11
 
No
12
Did the foundation make a distribution to a donor advised fund over which the foundation or a disqualified person had
advisory privileges? If "Yes," attach statement. See instructions.................
12
 
No
13
Did the foundation comply with the public inspection requirements for its annual returns and exemption application?
13
Yes
 
Website addressright arrowOttertail.com Look under the "About Us" tab for Foundation
14
The books are in care ofright arrowOtter Tail Corporation Telephone no.right arrow (701) 451-3562

Located atright arrow215 South Cascade StreetFergus FallsMN ZIP+4right arrow565380496
15
Section 4947(a)(1) nonexempt charitable trusts filing Form 990-PF in lieu of Form 1041 —check here .........right arrow
and enter the amount of tax-exempt interest received or accrued during the year ........right arrow
15
 
16 At any time during calendar year 2024, did the foundation have an interest in or a signature or other authority over YesNo
a bank, securities, or other financial account in a foreign country? .................
16   No
See the instructions for exceptions and filing requirements for FinCEN Form 114. If "Yes", enter the name of the foreign
country right arrow
Form 990-PF (2024)
Form 990-PF (2024)
Page 5
Part VI-B
Statements Regarding Activities for Which Form 4720 May Be Required
File Form 4720 if any item is checked in the "Yes" column, unless an exception applies.
Yes
No
1a
During the year did the foundation (either directly or indirectly):
(1) Engage in the sale or exchange, or leasing of property with a disqualified person? ...........
1a(1)
 
No
(2) Borrow money from, lend money to, or otherwise extend credit to (or accept it from)
a disqualified person? ..............................
1a(2)
 
No
(3) Furnish goods, services, or facilities to (or accept them from) a disqualified person? ...........
1a(3)
 
No
(4) Pay compensation to, or pay or reimburse the expenses of, a disqualified person? ............
1a(4)
 
No
(5) Transfer any income or assets to a disqualified person (or make any of either available
for the benefit or use of a disqualified person)? ......................
1a(5)
 
No
(6) Agree to pay money or property to a government official? (Exception. Check "No"
if the foundation agreed to make a grant to or to employ the official for a period
after termination of government service, if terminating within 90 days.) ...............
1a(6)
 
No
b
If any answer is "Yes" to 1a(1)–(6), did any of the acts fail to qualify under the exceptions described in Regulations
section 53.4941(d)-3 or in a current notice regarding disaster assistance? See instructions ..........
1b
 
 
c
Organizations relying on a current notice regarding disaster assistance check here ........right arrow
d
Did the foundation engage in a prior year in any of the acts described in 1a, other than excepted acts,
that were not corrected before the first day of the tax year beginning in 2024? .............
1d
 
No
2
Taxes on failure to distribute income (section 4942) (does not apply for years the foundation was a private
operating foundation defined in section 4942(j)(3) or 4942(j)(5)):
a
At the end of tax year 2024, did the foundation have any undistributed income (Part XII, lines 6d
and 6e) for tax year(s) beginning before 2024?....................
2a
 
No
If "Yes," list the years right arrow20, 20, 20, 20
b
Are there any years listed in 2a for which the foundation is not applying the provisions of section 4942(a)(2)
(relating to incorrect valuation of assets) to the year’s undistributed income? (If applying section 4942(a)(2)
to all years listed, answer "No" and attach statement—see instructions.) ..............
2b
 
 
c
If the provisions of section 4942(a)(2) are being applied to any of the years listed in 2a, list the years here.
right arrow20, 20, 20, 20
3a
Did the foundation hold more than a 2% direct or indirect interest in any business enterprise at
any time during the year? ..............................
3a
 
No
b
If "Yes," did it have excess business holdings in 2024 as a result of (1) any purchase by the foundation
or disqualified persons after May 26, 1969; (2) the lapse of the 5-year period (or longer period approved
by the Commissioner under section 4943(c)(7)) to dispose of holdings acquired by gift or bequest; or (3)
the lapse of the 10-, 15-, or 20-year first phase holding period? (Use Schedule C, Form 4720, to determine
if the foundation had excess business holdings in 2024.) .....................
3b
 
 
4a
Did the foundation invest during the year any amount in a manner that would jeopardize its charitable purposes?
4a
 
No
b
Did the foundation make any investment in a prior year (but after December 31, 1969) that could jeopardize its
charitable purpose that had not been removed from jeopardy before the first day of the tax year beginning in 2024? ..
4b
 
No
Form 990-PF (2024)
Form 990-PF (2024)
Page 6
Part VI-B
Statements Regarding Activities for Which Form 4720 May Be Required (continued)
5a
During the year did the foundation pay or incur any amount to:
Yes
No
(1) Carry on propaganda, or otherwise attempt to influence legislation (section 4945(e))? ..........
5a(1)
 
No
(2) Influence the outcome of any specific public election (see section 4955); or to carry
on, directly or indirectly, any voter registration drive? ....................
5a(2)
 
No
(3) Provide a grant to an individual for travel, study, or other similar purposes? .............
5a(3)
 
No
(4) Provide a grant to an organization other than a charitable, etc., organization described
in section 4945(d)(4)(A)? See instructions ........................
5a(4)
 
No
(5) Provide for any purpose other than religious, charitable, scientific, literary, or
educational purposes, or for the prevention of cruelty to children or animals? .............
5a(5)
 
No
b
If any answer is "Yes" to 5a(1)–(5), did any of the transactions fail to qualify under the exceptions described in
Regulations section 53.4945 or in a current notice regarding disaster assistance? See instructions ........
5b
 
 
c
Organizations relying on a current notice regarding disaster assistance check .........right arrow
d
If the answer is "Yes" to question 5a(4), does the foundation claim exemption from the
tax because it maintained expenditure responsibility for the grant? .................
5d
 
 
If "Yes," attach the statement required by Regulations section 53.4945–5(d).
6a
Did the foundation, during the year, receive any funds, directly or indirectly, to pay premiums on
a personal benefit contract? .............................
6a
 
No
b
Did the foundation, during the year, pay premiums, directly or indirectly, on a personal benefit contract? ....
6b
 
No
If "Yes" to 6b, file Form 8870.
7a
At any time during the tax year, was the foundation a party to a prohibited tax shelter transaction?
7a
 
No
b
If "Yes", did the foundation receive any proceeds or have any net income attributable to the transaction? .....
7b
 
 
8
Is the foundation subject to the section 4960 tax on payment(s) of more than $1,000,000 in remuneration or
excess parachute payment during the year? .........................
8
 
No
Part VII
Information About Officers, Directors, Trustees, Foundation Managers, Highly Paid Employees,
and Contractors
1 List all officers, directors, trustees, foundation managers and their compensation. See instructions
(a) Name and address (b) Title, and average
hours per week
devoted to position 		(c) Compensation
 (If not paid, enter
-0-) 		(d) Contributions to employee benefit plans and deferred compensation (e) Expense account,
other allowances
Stephanie HoffClick to see attachment
List of Attached Documents:
// Content
President
1.00 		0 0 0
215 South Cascade Street
Fergus Falls,MN56537
Kristi FlyenClick to see attachment
List of Attached Documents:
// Content
Treasurer
1.00 		0 0 0
215 South Cascade Street
Fergus Falls,MN56537
Craig A BryeClick to see attachment
List of Attached Documents:
// Content
VP
1.00 		0 0 0
215 South Cascade Street
Fergus Falls,MN56537
Todd WahlundClick to see attachment
List of Attached Documents:
// Content
Director
1.00 		0 0 0
215 South Cascade Street
Fergus Falls,MN56537
NIki VaageneClick to see attachment
List of Attached Documents:
// Content
Secretary
1.00 		0 0 0
215 South Cascade Street
Fergus Falls,MN56537
2 Compensation of five highest-paid employees (other than those included on line 1—see instructions). If none, enter “NONE."
(a) Name and address of each employee paid more than $50,000 (b) Title, and average
hours per week
devoted to position 		(c) Compensation (d) Contributions to
employee benefit
plans and deferred
compensation 		(e) Expense account,
other allowances
NONE
Total number of other employees paid over $50,000...................right arrow  
Form 990-PF (2024)
Form 990-PF (2024)
Page 7
Part VII
Information About Officers, Directors, Trustees, Foundation Managers, Highly Paid Employees,
and Contractors (continued)
3 Five highest-paid independent contractors for professional services (see instructions). If none, enter "NONE".
(a) Name and address of each person paid more than $50,000 (b) Type of service (c) Compensation
NONE
Total number of others receiving over $50,000 for professional services.............right arrow  
Part VIII-A
Summary of Direct Charitable Activities
List the foundation’s four largest direct charitable activities during the tax year. Include relevant statistical information such as the number of organizations and other beneficiaries served, conferences convened, research papers produced, etc. Expenses
1  
2  
3  
4  
Part VIII-B
Summary of Program-Related Investments (see instructions)
Describe the two largest program-related investments made by the foundation during the tax year on lines 1 and 2. Amount
1  
2  
All other program-related investments. See instructions.
3  
Total. Add lines 1 through 3.........................right arrow  
Form 990-PF (2024)
Form 990-PF (2024)
Page 8
Part IX
Minimum Investment Return (All domestic foundations must complete this part. Foreign foundations, see instructions.)
1
Fair market value of assets not used (or held for use) directly in carrying out charitable, etc.,
purposes:
a
Average monthly fair market value of securities...................
1a
14,719,465
b
Average of monthly cash balances.......................
1b
724,341
c
Fair market value of all other assets (see instructions)................
1c
0
d
Total (add lines 1a, b, and c).........................
1d
15,443,806
e
Reduction claimed for blockage or other factors reported on lines 1a and
1c (attach detailed explanation) Click to see attachment
List of Attached Documents:
// Content
.............
1e
0
2
Acquisition indebtedness applicable to line 1 assets..................
2
0
3
Subtract line 2 from line 1d.........................
3
15,443,806
4
Cash deemed held for charitable activities. Enter 1.5% (0.015) of line 3 (for greater amount, see
instructions) .............................
4
231,657
5
Net value of noncharitable-use assets. Subtract line 4 from line 3. ............
5
15,212,149
6
Minimum investment return. Enter 5% (0.05) of line 5................
6
760,607
Part X
Distributable Amount (see instructions) (Section 4942(j)(3) and (j)(5) private operating foundations and certain foreign organizations check here right arrow and do not complete this part.)
1
Minimum investment return from Part IX, line 6..................
1
760,607
2a
Tax on investment income for 2024 from Part V, line 5 .......
2a
7,562
b
Income tax for 2024. (This does not include the tax from Part V.) ...
2b
0
c
Add lines 2a and 2b............................
2c
7,562
3
Distributable amount before adjustments. Subtract line 2c from line 1............
3
753,045
4
Recoveries of amounts treated as qualifying distributions................
4
0
5
Add lines 3 and 4............................
5
753,045
6
Deduction from distributable amount (see instructions).................
6
0
7
Distributable amount as adjusted. Subtract line 6 from line 5. Enter here and on Part XII, line 1 ...
7
753,045
Part XI
Qualifying Distributions (see instructions)
1
Amounts paid (including administrative expenses) to accomplish charitable, etc., purposes:
a
Expenses, contributions, gifts, etc.—total from Part I, column (d), line 26 ..........
1a
796,352
b
Program-related investments—total from Part VIII-B..................
1b
0
2
Amounts paid to acquire assets used (or held for use) directly in carrying out charitable, etc.,
purposes...............................
2
0
3
Amounts set aside for specific charitable projects that satisfy the:
a
Suitability test (prior IRS approval required)....................
3a
0
b
Cash distribution test (attach the required schedule) Click to see attachment
List of Attached Documents:
// Content
.................
3b
0
4
Qualifying distributions. Add lines 1a through 3b. Enter here and on Part XII, line 4. .......
4
796,352
Form 990-PF (2024)
Form 990-PF (2024)
Page 9
Part XII
Undistributed Income (see instructions)
(a)
Corpus 		(b)
Years prior to 2023 		(c)
2023 		(d)
2024
1 Distributable amount for 2024 from Part X, line 7 753,045
2 Undistributed income, if any, as of the end of 2024:
a Enter amount for 2023 only....... 0
b Total for prior years:20 , 20, 20 0
3 Excess distributions carryover, if any, to 2024:
a From 2019...... 0
b From 2020...... 0
c From 2021...... 0
d From 2022...... 55,251
e From 2023...... 24,479
f Total of lines 3a through e ........ 79,730
4Qualifying distributions for 2024 from Part
XI, line 4: right arrow$ 796,352
a Applied to 2023, but not more than line 2a 0
b Applied to undistributed income of prior years
(Election required—see instructions)..... 		 
c Treated as distributions out of corpus (Election
required—see instructions)........ 		 
d Applied to 2024 distributable amount..... 753,045
e Remaining amount distributed out of corpus 43,307
5 Excess distributions carryover applied to 2024. 0 0
(If an amount appears in column (d), the
same amount must be shown in column (a).)
6Enter the net total of each column as
indicated below:
a Corpus. Add lines 3f, 4c, and 4e. Subtract line 5 123,037
b Prior years’ undistributed income. Subtract
line 4b from line 2b .......... 		0
c Enter the amount of prior years’ undistributed
income for which a notice of deficiency has
been issued, or on which the section 4942(a)
tax has been previously assessed...... 		0
d Subtract line 6c from line 6b. Taxable amount
—see instructions ........... 		0
e Undistributed income for 2023. Subtract line
4a from line 2a. Taxable amount—see
instructions ............. 		0
f Undistributed income for 2024. Subtract
lines 4d and 5 from line 1. This amount must
be distributed in 2025 .......... 		0
7 Amounts treated as distributions out of
corpus to satisfy requirements imposed by
section 170(b)(1)(F) or 4942(g)(3) (Election may
be required - see instructions) ....... 		0
8 Excess distributions carryover from 2019 not
applied on line 5 or line 7 (see instructions) ... 		0
9 Excess distributions carryover to 2025.
Subtract lines 7 and 8 from line 6a ...... 		123,037
10 Analysis of line 9:
a Excess from 2020.... 0
b Excess from 2021.... 0
c Excess from 2022.... 55,251
d Excess from 2023.... 24,479
e Excess from 2024.... 43,307
Form 990-PF (2024)
Form 990-PF (2024)
Page 10
Part XIII
Private Operating Foundations (see instructions and Part VI-A, question 9)
1a If the foundation has received a ruling or determination letter that it is a private operating
foundation, and the ruling is effective for 2024, enter the date of the ruling ...... right arrow
 
b Check box to indicate whether the organization is a private operating foundation described in section or
2a Enter the lesser of the adjusted net
income from Part I or the minimum
investment return from Part IX for each
year listed .......... 		Tax year Prior 3 years (e) Total
(a) 2024 (b) 2023 (c) 2022 (d) 2021
         
b 85% (0.85) of line 2a .........          
c Qualifying distributions from Part XI,
line 4 for each year listed ..... 		         
d Amounts included in line 2c not used directly
for active conduct of exempt activities .......... 		         
e Qualifying distributions made directly
for active conduct of exempt activities.
Subtract line 2d from line 2c .... 		         
3 Complete 3a, b, or c for the
alternative test relied upon:
a “Assets" alternative test—enter:
(1) Value of all assets ......          
(2) Value of assets qualifying
under section 4942(j)(3)(B)(i)		          
b “Endowment" alternative test— enter 2/3
of minimum investment return shown in
Part IX, line 6 for each year listed .. 		         
c “Support" alternative test—enter:
(1) Total support other than gross
investment income (interest,
dividends, rents, payments
on securities loans (section
512(a)(5)), or royalties) .... 		         
(2) Support from general public
and 5 or more exempt
organizations as provided in
section 4942(j)(3)(B)(iii).... 		         
(3) Largest amount of support
from an exempt organization		          
(4) Gross investment income          
Part XIV
Supplementary Information (Complete this part only if the foundation had $5,000 or more in
assets at any time during the year—see instructions.)
1Information Regarding Foundation Managers:
aList any managers of the foundation who have contributed more than 2% of the total contributions received by the foundation
before the close of any tax year (but only if they have contributed more than $5,000). (See section 507(d)(2).)
bList any managers of the foundation who own 10% or more of the stock of a corporation (or an equally large portion of the
ownership of a partnership or other entity) of which the foundation has a 10% or greater interest.
2Information Regarding Contribution, Grant, Gift, Loan, Scholarship, etc., Programs:
Check here right arrow if the foundation only makes contributions to preselected charitable organizations and does not accept
unsolicited requests for funds. If the foundation makes gifts, grants, etc. to individuals or organizations under
other conditions, complete items 2a, b, c, and d. See instructions
aThe name, address, and telephone number or e-mail address of the person to whom applications should be addressed:
Otter Tail Corporation Foundation
215 South Cascade Street
Fergus Falls,MN56537
(701) 451-3562
foundation@ottertail.com
bThe form in which applications should be submitted and information and materials they should include:
Otter Tail Corporation Foundation application and grant application are available on website.
cAny submission deadlines:
N A
dAny restrictions or limitations on awards, such as by geographical areas, charitable fields, kinds of institutions, or other
factors:
Limited primarily to funding public charities described in section 501c3 that are in AZ GA IL MN ND SD.
Form 990-PF (2024)
Form 990-PF (2024)
Page 11
Part XIV
Supplementary Information (continued)
3 Grants and Contributions Paid During the Year or Approved for Future Payment
Recipient If recipient is an individual,
show any relationship to
any foundation manager
or substantial contributor
 Foundation
status of
recipient 		Purpose of grant or
contribution 		Amount
Name and address (home or business)
aPaid during the year

Fergus Falls Public Library

1000 Western Avenue
Fergus Falls,MN56537 		None PC Charity Choice Match 103

Terebinth Refuge

110 2nd Street S Suite 231
Waite Park,MN56387 		None PC Employment Readiness Program 5,000

BIO Girls

4225 38th St S Suite 202
Fargo,ND58104 		None PC Youth Program 15,000

Junior Achievement

PO Box 8
West Fargo,ND58078 		None PC JA Biztown programming 5,000

Teen Challenge Illinois

8006 N Sommer Street
Peoria,IL61615 		None PC Workforce Development 5,000

YMCA Cass Clay

4650 38th Ave S Ste 110
Fargo,ND58104 		None PC Shelter Operations 5,000

Sojourner Center

PO Box 20156
Phoenix,AZ85036 		None PC Emergency Shelter Support 5,000

Georgia Mountain Food Bank

PO Box 233
Gainesville,GA30504 		None PC Retail Food Rescue Program 10,000

Village Family Service Center

2701 12th Avenue South
Fargo,ND58103 		None PC Mental Health Charity Care 10,000

Assistance League of Phoenix Arizona

9224 N 5th Street
Phoenix,AZ85020 		None PC Shoes for underpriveledged 5,000

Actup Theater

PO Box 1202 119 5th Street S
Moorhead,MN56561 		None PC Salary expense for staff artists 2,000

Hope Inc

810 4th S Suite 104
Moorhead,MN56560 		None PC Adaptive Sports 12,500

United Cerebral Palsy of Central AZ

1802 West Parkside Lane
Phoenix,AZ85027 		None PC Support for cerebral palsy 5,000

Project 412

806 Summit Ave
Detroit Lakes,MN56501 		None PC Troll Project by world-remounded Danish artist Thomas Dambo 125,000

Ducks Unlimited

One Waterfowl Way
Memphis,TN38120 		None PC Future Pledge Commitment 0

YWCA Cass Clay

4650 38th Ave South Ste 110
Fargo,ND58104 		None PC Charity Choice Match 500

SD School of Mines Foundation

330E Kansas City St
Rapid City,SD57701 		None PC Charity Choice Match 1,000

Creighton Community Foundation

3219 E Camelback Rd 376
Phoenix,AZ85018 		None PC Hunger Relief Program - meeting nutrition needs of youth and families through Feeding Phoenix 5,000

Foster Arizona

PO Box 20787
Mesa,AZ85277 		None PC Transitional housing program that provides a safe place to reside basic provisions and supportive services for youth ages 18-to-24 who are at-risk and or experiencing homelessness 5,000

Patriot Assistance Dogs

28579 US Hwy 10
Detroit Lakes,MN56501 		None PC Provide quality psychiatric service dogs to our veterans living with mental health diagnoses 10,000

The Place

2550 The Place Circle
Cumming,GA30040 		None PC Assisting those struggling with poverty with resources assistance programs services an opportunities in Forsyth and Dawson Counties. 10,000

Clearwater Foodshelf

PO Box 324
Clearwater,MN55320 		None PC Funding the construction of a new food shelf building 25,000

UMOM

3333 E Van Buren Street
Phoenix,AZ85008 		None PC Serving the homeless population in the Phoenix Metropolitan area with shelter housing health care and supportive services 10,000

Brighter Bites

PO Box 25456
Houston,TX77265 		None PC Support communities health through providing families with fresh food and changing behavior to achieve longterm health 5,000

Sharehouse

4224 9th Ave South
Fargo,ND58103 		None PC Mental health and substance use disorder services to clients throughout the FM area. 10,000

FM Rotary Foundation

PO Box 684
Fargo,ND58107 		None PC Support for the creation of the Natural Play Hill and Bike park in the Cass Clay Co area 7,500

Matthew House

213 E Summit Ave
Fergus Falls,MN56537 		None PC Support home for men who strive for a life free from the grips of addiction 10,000

Phoenix Conservatory of Music

1316 E Cheery Lynn Road
Phoenix,AZ85014 		None PC Early Childhood Music Academy support 3,000

East Valley Childrens Theatre

PO Box 20514
Mesa,AZ85277 		None PC Literature Alive! Program. Literature Alive! Is a literacy program that uses theatre to encourage young students to read 3,000

WAO Public School Education Foundation

PO Box 125
Warren,MN56762 		None PC Charity Choice Match 500

JA USA

PO Box 2061
Fargo,ND58107 		None PC BizTown Programming students learn by working on a simulation city to learn business and money management skills and available career options 5,000

Ashby Legacy Fund

PO Box 301
Ashby,MN56309 		None PC Higher Education Match 100

Family Wellness

2960 Seter Parkway
Fargo,ND58104 		None PC The Neuroid Program providing individuals with Parkinsons desease and other neurological disorders the tools they need to manage their symptoms through strength balance and functional movement exercises 25,000

FM Orchestral Assocation

808 3rd Ave S Ste 300
Fargo,ND58103 		None PC General operating support to continue to bring the concert experience to people of varied backgrounds 5,000

FM Youth Hockey Assocation

3955 40th Avenue S Suite A
Fargo,ND58104 		None PC Providing kids in Fargo a place to pay hockey learning life skills along the way 5,000

Jeremiah Program

3104 Fiechtner Drive S
Fargo,ND58103 		None PC Support of single mothers in achieving college access career growth and long-term stability for their families. 10,000

544 Education Foundation

518 Friberg Avenue
Fergus Falls,MN56537 		None PC Higher Education Match 1,000

Concordia College

901 8th St S
Moorhead,MN56562 		None PC Higher Education Match 500

Plains Art Museum

704 1st Ave N
Fargo,ND58102 		None PC Kids Quest - Charitable Cash Contribution 5,000

Plains Art Museum

704 1st Ave N
Fargo,ND58102 		None PC Support kids and families with educational programs to learn and express their creativity 5,000

UND School of Accountancy

3501 University Ave Stop 8157
Grand Forks,ND582028157 		None PC Higher Education Match 1,000

Parenting with Grace

1201 1/2 State Hwy 25N
Buffalo,MN55313 		None PC Charity Choice Match 100

Lifeline Inc

4507 N Sterling Avenue
Peoria,IL61615 		None PC Medical & Humanitarian Flights 5,000

SARSEF

5049 E Broadway BLVD
Ste 125
Tucson,AZ85711 		None PC Funding for Stem program 1,500

Boys and Girls Club of Hall County GA

PO Box 691
Gainesville,GA30503 		None PC Facilities additions and improvements 0

The Phoenix Residence Inc

222 Plato Blvd E
St Paul,MN55107 		None PC Installing Mechanical Ceiling Lift 6,500

The Arts Parnership

PO Box 2612
Fargo,ND58108 		None PC Operating support for arts sector 12,000

Georgia Healthy Family Alliance

3760 LaVista Rd
Suite 100
Tucker,GA30084 		None PC TAR wars program 5,000

South Dakota Humanities Council

1215 Trail Ridge Road
Suite A
Brookings,SD57006 		None PC Youth readers One Book program 5,000

Boys and Girls Ranch Fargo

7151 15th St S
Fargo,ND58104 		None PC Helping troubled kids receive psychiatric therapy and trauma-informed needed for mental emotional behavioral issues often resulting from trauma abuse and neglect 4,000

Greater Bemidji

102 First Street West
Bemidji,MN56601 		None PC Construction for health and wellness center 0

Maricopa County Community College District

2419 West 14th St
Tempe,AZ85281 		None PC Providing supplemental support to students attending Scottsdale Community College 5,000

Neighborhood Ministries

1918 W Van Buren Street
Phoenix,AZ85009 		None PC Support Katys Kids program serving disadvantaged youth with academic social emotional literacy skills needed to succeed in kindergarden and beyond 5,000

West Central Initiatives

PO Box 318
Fergus Falls,MN56538 		None PC Q3 Foundation Request 50,000

West Valley Arts Council

16126 N Civic Center Plaza
Suite 102
Fergus Falls,MN565380318 		None PC Cultivate inclusive arts and culture in the West Valley by providing resources and fostering connections 3,000

Waste Not Inc

1700 North Granite Reef Rd
Scottsdale,AZ85257 		None PC Reduce the number of people experiencing food insecurity in Maricopa County Arizona while averting food waste and its environmental impacts. 5,000

St Vincent DePaul

420 W Watkins Rd
Phoenix,AZ85002 		None PC Help people facing eviction to help pay their rent 15,000

MN Private College Fund

4445 Minnesota Street
Suite 500
St Paul,MN55101 		None PC Support scholarships to Concordia College in Moorhead 3,000

Lifeworks Services Inc

6636 Cedar Ave S Suite 250
Rickfield,MN55423 		None PC Serving people with disabilities and their families 20,000

Nexus Family Healing

505 Hwy 169 N Ste 500
Plymouth,MN55441 		None PC Support youth transition out of foster care to successful adulthood in North Dakota and north western Minnesota 10,000

St Johns University

PO Box 7222
Collegeville,MN56321 		None PC Higher Education Match 500

Adult and Teen Challenge MN

740 E 24th Street
Minneapolis,MN55404 		None PC Addiction rehab support 7,000

Northwoods Battered Womens Shelter

P O Box 563
Bemidji,MN56619 		None PC Emergency Shelter Support 5,000

Northern Arizona Adaptive Sports Assoc

PO Box 1903
Flagstaff,AZ86001 		None PC Winter program support 5,000

Becker County Dive Rescue Team

PO Box 1641
Detroit Lakes,MN56501 		None PC Support volunteer-led underwater search and recovery services 5,000

UND Stem Complex

3501 University Ave Stop 8157
Grand Forks,ND58201 		None PC Building fund gift agreement 50,000

UND Alumni Association and Foundation

3501 University Ave Stop 8157
Grand Forks,ND58202 		None PC Foundation CEM Scholarship and Accountancy Scholarship 10,000

SDSU University Foundation

815 Medary Ave
Brookings,SD57006 		None PC Scholarships each year for Mechanical Engineering Electrical Engineering and Computer Science 6,300

NDSU Foundation

1241 University Drive North
Fargo,ND58102 		None PC Electrical Engineering Business Computer Science Scholarships 8,422

MSUM Foundation

1104 7th Avenue S
Moorhead,MN56563 		None PC MSUM Foundation Scholarships 6,000

Can Do Canines

9440 Science Center Drive
New Hope,MN55428 		None PC Training and placement of assistance dogs to help people with different disabilities live more independent and fuller lives 10,000

Ronald McDonald House

501 East Roakoke Avenue
Phoenix,AZ85004 		None PC Keeping Families Together Program providing guest families with comfortable place to stay and living necessities 5,000

The Opportunity Tree

3146 E Windsor Ave
Phoenix,AZ85008 		None PC SEEDS Supported Employment. Expect. Develop. Support program providing employment services to individuals with intellectual developmental disabilities 10,000

Cass Clay Community Land Trust

109 1/2 North Broadway Suite 203
Fargo,ND58102 		None PC Entry level home ownership support 5,000

Lake Region Healthcare

712 Cascade Street S
Fergus Falls,MN56537 		None PC Luminate Hope campaign for the enhancement and expansion of 3D mamography technology and equipment supporting early detection and treatment of breast cancer 50,000

Phoenix Childrens Hospital

2929 Easte Camelback Road 122
Phoenix,AZ85016 		None PC Patient and Family Assistance Fund to support families who are struggling to maintain their daily expenses and bills while their child receives care at Phoenix Childrens Hospital 10,000
Total .................................right arrow 3a 726,025
bApproved for future payment

UND STEM Complex
3501 University Ave
Stop 8157
Grand Forks,ND58201 		  PC Building fund gift agreement 200,000

UND Alumni Association and Foundation
3501 University Ave
Stop 8157
Grand Forks,ND58202 		  PC Foundation CEM Scholarship and Accountancy Scholarship 20,000

SDSU University Foundation
815 Medary Ave
Brookings,SD57006 		  PC Scholarships each year for Mechanical Engineering Electrical Engineering and Computer Science 12,600

NDSU Foundation
1241 University Drive North
Fargo,ND58102 		  PC Electrical Engineering Business Computer Science Scholarships 16,844

MSUM Foundation
1104 7th Avenue S
Moorhead,MN56563 		  PC MSUM Foundation Scholarships 12,000
Total ................................. right arrow 3b 261,444
Form 990-PF (2024)
Form 990-PF (2024)
Page 12
Part XV-A
Analysis of Income-Producing Activities
Enter gross amounts unless otherwise indicated. Unrelated business income Excluded by section 512, 513, or 514 (e)
Related or exempt
function income
(See instructions.)
1Program service revenue: (a)
Business code 		(b)
Amount 		(c)
Exclusion code 		(d)
Amount
a     0   0 0
b     0   0 0
c     0   0 0
d     0   0 0
e     0   0 0
f     0   0 0
    0   0 0
gFees and contracts from government agencies          
2 Membership dues and assessments ....   0   0 0
3 Interest on savings and temporary cash
investments ........... 		  0   0 0
4 Dividends and interest from securities ....   0 14 387,644 0
5 Net rental income or (loss) from real estate:
aDebt-financed property......   0   0 0
bNot debt-financed property.....   0   0 0
6 Net rental income or (loss) from personal property   0   0 0
7 Other investment income .....   0   0 0
8 Gain or (loss) from sales of assets other than
inventory ............ 		  0 18 215,674 0
9 Net income or (loss) from special events:   0   0 0
10 Gross profit or (loss) from sales of inventory   0   0 0
11 Other revenue:
a   		  0   0 0
b     0   0 0
c     0   0 0
d     0   0 0
e     0   0 0
12 Subtotal. Add columns (b), (d), and (e) .. 0 603,318 0
13Total. Add line 12, columns (b), (d), and (e)..................
13
603,318
(See worksheet in line 13 instructions to verify calculations.)
Part XV-B
Relationship of Activities to the Accomplishment of Exempt Purposes
Line No.
DownArrow 		Explain below how each activity for which income is reported in column (e) of Part XV-A contributed importantly to
the accomplishment of the foundation’s exempt purposes (other than by providing funds for such purposes). (See
instructions.)
Form 990-PF (2024)
Form 990-PF (2024)
Page 13
Part XVI
Information Regarding Transfers To and Transactions and Relationships With Noncharitable Exempt Organizations
1
Did the organization directly or indirectly engage in any of the following with any other organization described in section 501(c) (other than section 501(c)(3) organizations) or in section 527, relating to political organizations?
Yes
No
a
Transfers from the reporting foundation to a noncharitable exempt organization of:
(1) Cash...................................
1a(1)
 
No
(2) Other assets.................................
1a(2)
 
No
b
Other transactions:
(1) Sales of assets to a noncharitable exempt organization....................
1b(1)
 
No
(2) Purchases of assets from a noncharitable exempt organization..................
1b(2)
 
No
(3) Rental of facilities, equipment, or other assets.......................
1b(3)
 
No
(4) Reimbursement arrangements...........................
1b(4)
 
No
(5) Loans or loan guarantees.............................
1b(5)
 
No
(6) Performance of services or membership or fundraising solicitations................
1b(6)
 
No
c
Sharing of facilities, equipment, mailing lists, other assets, or paid employees..............
1c
 
No
d
If the answer to any of the above is "Yes," complete the following schedule. Column (b) should always show the fair market value
of the goods, other assets, or services given by the reporting foundation. If the foundation received less than fair market value
in any transaction or sharing arrangement, show in column (d) the value of the goods, other assets, or services received.
(a) Line No. (b) Amount involved (c) Name of noncharitable exempt organization (d) Description of transfers, transactions, and sharing arrangements
2a
Is the foundation directly or indirectly affiliated with, or related to, one or more tax-exempt organizations
described in section 501(c) (other than section 501(c)(3)) or in section 527? ...........
b
If "Yes," complete the following schedule.

(a) Name of organization (b) Type of organization (c) Description of relationship
Sign Here
Under penalties of perjury, I declare that I have examined this return, including accompanying schedules and statements, and to the best of my knowledge and belief, it is true, correct, and complete. Declaration of preparer (other than taxpayer) is based on all information of which preparer has any knowledge.
right arrow right arrow
May the IRS discuss this return
with the preparer shown below?
See instructions.
Signature of officer or trustee Date Title
Paid Preparer Use Only Print/Type preparer's name Preparer's Signature Date Check if self-
employed right arrow		 PTIN
Firm's name Right Arrow
 Firm's EIN Right Arrow
Firm's address Right Arrow


 Phone no.
Form 990-PF (2024)
Additional Data


Software ID: 24020569
Software Version: V2.0


Form 990PF - Special Condition Description:
Special Condition Description
Schedule B
(Form 990)
(Rev. January 2025)
Department of the Treasury
Internal Revenue Service
Schedule of Contributors

right arrow Attach to Form 990, 990-EZ, or 990-PF.
right arrow Go to www.irs.gov/Form990 for the latest information.
OMB No. 1545-0047
Name of the organization
Otter Tail Corporation Foundation
 
Employer identification number

83-1883575
Organization type (check one):
Filers of:
Section:
Form 990 or 990-EZ
501(c)( ) (enter number) organization

4947(a)(1) nonexempt charitable trust not treated as a private foundation

527 political organization


Form 990-PF
501(c)(3) exempt private foundation

4947(a)(1) nonexempt charitable trust treated as a private foundation

501(c)(3) taxable private foundation
Check if your organization is covered by the General Rule or a Special Rule.  
Note:  Only a section 501(c)(7), (8), or (10) organization can check boxes for both the General Rule and a Special Rule. See instructions.
General Rule
For an organization filing Form 990, 990-EZ, or 990-PF that received, during the year, contributions totaling $5,000 or more (in money or other property) from any one contributor. Complete Parts I and II. See instructions for determining a contributor's total contributions.
Special Rules
For an organization described in section 501(c)(3) filing Form 990 or 990-EZ that met the 331/3% support test of the regulations
under sections 509(a)(1) and 170(b)(1)(A)(vi), that checked Schedule A (Form 990 or 990-EZ), Part II, line 13, 16a, or 16b, and that received from any one contributor, during the year, total contributions of the greater of (1) $5,000 or (2) 2% of the amount on (i) Form 990, Part VIII, line 1h, or (ii) Form 990-EZ, line 1. Complete Parts I and II.
For an organization described in section 501(c)(7), (8), or (10) filing Form 990 or 990-EZ that received from any one contributor,
during the year, total contributions of more than $1,000 exclusively for religious, charitable, scientific, literary, or educational purposes, or for the prevention of cruelty to children or animals. Complete Parts I, II, and III.
For an organization described in section 501(c)(7), (8), or (10) filing Form 990 or 990-EZ that received from any one contributor,
during the year, contributions exclusively for religious, charitable, etc., purposes, but no such contributions totaled more than $1,000. If this box is checked, enter here the total contributions that were received during the year for an exclusively religious, charitable, etc., purpose. Don't complete any of the parts unless the General Rule applies to this organization because it received nonexclusively religious, charitable, etc., contributions totaling $5,000 or more during the year ......... Right Arrow $  
Caution: An organization that isn't covered by the General Rule and/or the Special Rules doesn't file Schedule B (Form 990,
990-EZ, or 990-PF), but it must answer “No” on Part IV, line 2, of its Form 990; or check the box on line H of its Form 990-EZ
or on its Form 990PF, Part I, line 2, to certify that it doesn't meet the filing requirements of Schedule B (Form 990,
990-EZ, or 990-PF).
For Paperwork Reduction Act Notice, see the Instructions
for Form 990, 990-EZ, or 990-PF.
Cat. No. 30613XSchedule B (Form 990) (Rev. 1-2025)
Schedule B (Form 990) (Rev. 1-2025) Page 2
Name of organization
Otter Tail Corporation Foundation
  		Employer identification number
83-1883575
Part I
Contributors (see instructions). Use duplicate copies of Part I if additional space is needed.
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
1
Otter Tail Corporation
215 South Cascade Street
 
Fergus Falls, MN56537

$ 4,000,000


(Complete Part II for noncash contributions.)
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
 
 
 
 

$  


(Complete Part II for noncash contributions.)
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
 
 
 
 

$  


(Complete Part II for noncash contributions.)
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
 
 
 
 

$  


(Complete Part II for noncash contributions.)
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
 
 
 
 

$  


(Complete Part II for noncash contributions.)
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
 
 
 
 

$  


(Complete Part II for noncash contributions.)
Schedule B (Form 990) (Rev. 1-2025)
Schedule B (Form 990) (Rev. 1-2025)
Page 3
Name of organization
Otter Tail Corporation Foundation
  		Employer identification number

83-1883575
Part II
Noncash Property (see instructions). Use duplicate copies of Part II if additional space is needed.
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
 
$    
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
 
$    
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
 
$    
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
 
$    
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
 
$    
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
 
$    
Schedule B (Form 990) (Rev. 1-2025)
Schedule B (Form 990) (Rev. 1-2025)
Page 4
Name of organization
Otter Tail Corporation Foundation
  		Employer identification number

83-1883575
Part III
Exclusively religious, charitable, etc., contributions to organizations described in section 501(c) (7), (8), or (10) that total more than $1,000 for the year from any one contributor. Complete columns (a) through (e) and the following line entry. For organizations completing Part III, enter the total of exclusively religious, charitable, etc., contributions of $1,000 or less for the year. (Enter this information once. See instructions.) $  
Use duplicate copies of Part III if additional space is needed.
(a)
No. from Part I		 (b) Purpose of gift (c) Use of gift (d) Description of how gift is held
 
(e) Transfer of gift
Transferee's name, address, and ZIP 4 Relationship of transferor to transferee
 
 
     
 
(a)
No. from Part I		 (b) Purpose of gift (c) Use of gift (d) Description of how gift is held
 
(e) Transfer of gift
Transferee's name, address, and ZIP 4 Relationship of transferor to transferee
 
 
     
 
(a)
No. from Part I		 (b) Purpose of gift (c) Use of gift (d) Description of how gift is held
 
(e) Transfer of gift
Transferee's name, address, and ZIP 4 Relationship of transferor to transferee
 
 
     
 
(a)
No. from Part I		 (b) Purpose of gift (c) Use of gift (d) Description of how gift is held
 
(e) Transfer of gift
Transferee's name, address, and ZIP 4 Relationship of transferor to transferee
 
 
     
 
Schedule B (Form 990) (Rev. 1-2025)
Additional Data


Software ID:  
Software Version:  

TY 2024 InvestmentsLandSchedule2
Name:
Otter Tail Corporation Foundation
EIN:
83-1883575
Software ID:
24020569
Software Version:
V2.0
Category/ Item Cost/Other Basis Accumulated Depreciation Book Value End of Year Fair Market Value
Land 0 0 0 0
Buildings 0 0 0 0
Leasehold improvements 0 0 0 0
Equipment 0 0 0 0

TY 2024 InvestmentsOtherSchedule2
Name:
Otter Tail Corporation Foundation
EIN:
83-1883575
Software ID:
24020569
Software Version:
V2.0
Category/ Item Listed at Cost or FMV Book Value End of Year Fair Market Value
PIMCO MORTAGE OPPORTUNITIES & BOND FUND FD OPEN-END FUND INSTL CL PMZIX FMV 749,661 749,661
GUGGENHEIM TOTAL RETURN BOND FUND OPEN-END FUND INSTL CL GIBIX FMV 785,086 785,086
BLACKROCK SYSTEMATIC MULTI-STRAT OPEN-END FUND INSTL CL BIMBX FMV 193,053 193,053
PIMCO TRENDS MANAGED FUTURES STRATEGY FD OPEN-END FUND INSTL CL PQTIX FMV 185,501 185,501
GQG PARTNERS EMERGING MKTS EQUITY OPEN-END FUND INSTL CL GQGIX FMV 413,309 413,309
MERGER FUND OPEN-END FUND INSTL CL MERIX FMV 196,714 196,714
JPMORGAN HEDGED EQUITY FUND OPEN-END FUND CL I JHEQX FMV 205,859 205,859
GMO RESOURCES FUND OPEN-END FUND CL R6 GAAHX FMV 164,979 164,979
LAZARD GLOBAL LISTED INFRASTR PT OPEN-END FUND INSTL CL GLIFX FMV 236,165 236,165
ISHARES BARCLAYS TIPS BOND FUND CLOSED-END FUND TIP FMV 155,563 155,563
METROPOLITAN WEST TR BOND FD OPEN-END FUND CL I MWTIX FMV 625,428 625,428
VANGUARD LONG-TERM TREASURY FUND OPEN-END FUND ADM CL VUSUX FMV 153,401 153,401
GOLDMAN SACHS INTL EQUITY INSIGHTS FUND OPEN-END FUND INSTL CL GCIIX FMV 831,680 831,680
PRINCIPAL MIDCAP FUND OPEN-END FUND CL R-6 PMAQX FMV 726,429 726,429
ISHARES MSCI USA QUALITY FACTOR EXCHANGE-TRADED FUND QUAL FMV 2,525,709 2,525,709
ISHARES GOLD TRUST EXCHANGE-TRADED FUND IAU FMV 203,040 203,040
JOHCM INTERNATIONAL SELECT OPEN-END FUND CL I JOHIX FMV 382,498 382,498
RBC EMERGING MARKETS EQUITY FUND OPEN-END FUND CL I REEIX FMV 362,715 362,715
UNDISCOVERED MGRS BEHAVR VALUE FUND OPEN-END FUND INSTL CL UBVLX FMV 709,206 709,206
ISHARES CORE S&P 500 ETF CLOSED-END FUND IVV FMV 2,588,426 2,588,426
INVESCO S&P 500 EQUAL WEIGHT EXCHANGE-TRADED FUND RSP FMV 1,683,610 1,683,610
ISHARES CORE MSCI EAFE ETF CLOSED-END FUND IEFA FMV 559,991 559,991
JP MORGAN CORE BOND FUND OPEN-END FUND CL I WOBDX FMV 782,495 782,495
VANGUARD FTSE DEV MKTS EFT CLOSED-END FUND VEA FMV 0 0
WESTERN ASSET CORE PLUS BOND OPEN-END FUND CL IS WAPSX FMV 0 0

TY 2024 OtherExpensesSchedule
Name:
Otter Tail Corporation Foundation
EIN:
83-1883575
Software ID:
24020569
Software Version:
V2.0
Description Revenue and Expenses per Books Net Investment Income Adjusted Net Income Disbursements for Charitable Purposes
Annual report fee 161 80 0 80
Tax Return Preparation Filing 496 248 0 247


TY 2024 OtherIncreasesSchedule
Name:
Otter Tail Corporation Foundation
EIN:
83-1883575
Software ID:
24020569
Software Version:
V2.0
Description Amount
Investment Gain Loss 938,288


TY 2024 OtherProfessionalFeesSchedule
Name:
Otter Tail Corporation Foundation
EIN:
83-1883575
Software ID:
24020569
Software Version:
V2.0
Category Amount Net Investment Income Adjusted Net Income Disbursements for Charitable Purposes
BANK FEES 58,947 58,947 0 0


TY 2024 TaxesSchedule
Name:
Otter Tail Corporation Foundation
EIN:
83-1883575
Software ID:
24020569
Software Version:
V2.0
Category Amount Net Investment Income Adjusted Net Income Disbursements for Charitable Purposes
EXCISE TAX 7,518 0 0 0