• Otter Tail’s Otter Tail Power issued USD 70 million of 6.04% Series 2026B Senior Unsecured Notes due June 4, 2056.
• Issuance completed June 4 under a March 19 note purchase agreement covering USD 170 million of senior unsecured notes.
• Proceeds earmarked for capital spending, refinancing existing debt, general corporate purposes.
• Covenants cap interest-bearing debt at 65% of total capitalization, priority indebtedness at 20%, tested quarterly.
• Notes allow prepayment with a make-whole, waived near maturity; change of control triggers an offer to prepay at par.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Otter Tail Corporation published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001466593-26-000061), on June 05, 2026, and is solely responsible for the information contained therein.