secwatch / observer
8-K filed March 23, 2026, 7:59 PM ET ticker OTTR CIK 0001466593
debt confidence high sentiment neutral materiality 0.70

Otter Tail Corp (OTTR): debt financing — Otter Tail Power issues $170M senior unsecured notes (5.33% and 6.04%)

Otter Tail Corp

Key facts

Extracted from this filing and checked against the source text.

Debt Financings SEC 8-K Item 2.03/2.04 confidence 0.9

Otter Tail Corp incurred senior notes of $170,000,000 aggregate principal amount of the Company’s senior unsecured notes consisting of $100,000,000 in aggregate with the purchasers named therein at 5.33% and 6.04% maturing March 19, 2036 and June 4, 2056.

Instrument
senior notes
Principal
$170,000,000 aggregate principal amount of the Company’s senior unsecured notes consisting of $100,000,000 in aggregate
Counterparty
the purchasers named therein
Rate
5.33% and 6.04%
Maturity
March 19, 2036 and June 4, 2056
Event
incurrence
Exact text from the filing
(the “Note Purchase Agreement”) with the purchasers named therein (the “Purchasers”), pursuant to which the Company issued to the Purchasers, in a private placement transaction, $170,000,000 aggregate principal amount of the Company’s senior unsecured notes consisting of $100,000,000 in aggregate principal amount of its 5.33% Series 2026A Senior Unsecured Notes due
View on SEC.gov
Material Agreements SEC 8-K Item 1.01/1.02 confidence 0.9

Otter Tail Corp entered into Note Purchase Agreement with the purchasers named therein (the ‘Purchasers’) valued at $170,000,000 aggregate principal amount (effective 2026-03-19).

Action
entry
Agreement
notes offering
Counterparty
the purchasers named therein (the ‘Purchasers’)
Value
$170,000,000 aggregate principal amount
Effective
2026-03-19
Exact text from the filing
On March 19, 2026, Otter Tail Power Company (the “Company”), a wholly owned subsidiary of Otter Tail Corporation (“OTC”), entered into a Note Purchase Agreement (the “Note Purchase Agreement”) with the purchasers named therein (the “Purchasers”), pursuant to which the Company issued to the Purchasers, in a private placement transaction, $170,000,000 aggregate principal amount of the Company’s senior unsecured notes consisting of $100,000,000 in aggregate principal amount of its 5.33% Series 2026A Senior Unsecured Notes due March 19, 2036 (the “Series 2026A Notes”) and $70,000,000 in aggregate principal amount of its 6.04% Series 2026B Senior Unsecured Notes due June 4, 2056 (the “Series 2026B Notes”) (collectively, the “Notes”).
View on SEC.gov

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Otter Tail Corp filing history →

Source: SEC EDGAR
accession 0001466593-26-000034
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