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Otter Tail Corporation – Indentures

NASDAQ: OTTR    
Share price (7/13/26): $89.06    
Market cap (7/13/26): $3.739 billion
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EX-4.1
from 8-K 98 pages Otter Tail Power Company $50,000,000 5.49% Series 2025a Senior Unsecured Notes Due March 27, 2035 $50,000,000 5.98% Series 2025b Senior Unsecured Notes Due June 5, 2055 Note Purchase Agreement Dated as of March 27, 2025
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EX-4.1
from 8-K 98 pages Otter Tail Power Company $60,000,000 5.48% Series 2024a Senior Unsecured Notes Due April 1, 2034 $60,000,000 5.77% Series 2024b Senior Unsecured Notes Due April 1, 2054 Note Purchase Agreement Dated as of March 28, 2024
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EX-4.1
from S-8 8 pages Otter Tail Corporation 2023 Stock Incentive Plan
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EX-4.1
from 8-K 100 pages Otter Tail Power Company $40,000,000 2.74% Series 2021a Senior Unsecured Notes Due November 29, 2031 $100,000,000 3.69% Series 2021b Senior Unsecured Notes Due November 29, 2051 $90,000,000 3.77% Series 2022a Senior Unsecured Notes Due May 20, 2052 Note Purchase Agreement Dated as of June 10, 2021
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EX-4.I
from 10-K 5 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934
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EX-4.1
from 8-K 137 pages Otter Tail Power Company
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EX-4.1
from 8-K 117 pages Otter Tail Power Company $100,000,000 4.07% Series 2018a Senior Unsecured Notes Due February 7, 2048 Note Purchase Agreement Dated as of November 14, 2017
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EX-4.1
from 8-K 144 pages Otter Tail Corporation $80,000,000 3.55% Guaranteed Senior Notes Due December 15, 2026 Note Purchase Agreement Dated as of September 23, 2016
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EX-4.1
from S-8 15 pages Otter Tail Corporation 2014 Stock Incentive Plan
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EX-4.1
from 8-K 125 pages Otter Tail Power Company $60,000,000 4.68% Series a Senior Unsecured Notes Due February 27, 2029 $90,000,000 5.47% Series B Senior Unsecured Notes Due February 27, 2044 Note Purchase Agreement Dated as of August 14, 2013
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EX-4.1
from 8-K 20 pages Recitals
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EX-4.1
from 8-K 111 pages Otter Tail Power Company $140,000,000 4.63% Senior Unsecured Notes Due December 1, 2021 Note Purchase Agreement Dated as of July 29, 2011
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EX-4.1
from 8-K 15 pages Recitals
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EX-4.1
from 8-K 27 pages Recitals
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EX-4.1
from 8-K 18 pages Otter Tail Corporation Officer’s Certificate and Authentication Order
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EX-4.1
from 8-K12G3 4 pages Otter Tail Corporation to U.S. Bank National Association (Formerly First Trust National Association), Trustee First Supplemental Indenture to Indenture (For Unsecured Debt Securities) Dated as of November 1, 1997 Dated as of July 1, 2009
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