On the Record · Otter Tail

Otter Tail acquisitions, on the record

The businesses Otter Tail bought and sold, as its annual reports describe them, with the cash it reported paying for acquisitions each year and every deal filing since 2016.

Deals its annual reports describe

Business	Deal	When	Value
Ashtabula III Wind Farm Word for word“The facility was purchased for approximately $50 million in January 2023.” 10-K for 2023	acquisition	January 2023	approximately $50 million
development assets of the Abercrombie Solar project Word for word“In October 2024, we entered into a purchase agreement to acquire the development assets of the project, including approximately 3,400 acres of land, interconnection agreements, state and local permits, and all other assets of the project.” 10-K for 2024	agreed acquisition	In October 2024	—
assets of a solar facility currently under development Word for word“Under the terms of the agreement, the purchase price is equal to $23.6 million, plus the reimbursement of certain interconnection costs and costs to purchase and store the main power transformer.” 10-K for 2024	agreed acquisition	—	$23.6 million, plus the reimbursement of certain interconnection costs and costs to purchase and store the main power transformer
Abercrombie Solar development assets Word for word“The acquisition of these assets was completed in January 2026, and we currently estimate the facility will be operational by the end of 2028.” 10-K for 2025	acquisition	January 2026	—
solar facility under development (Abercrombie Solar) Word for word“On January 9, 2026, OTP completed this acquisition at a total cost of $ 35.7 million, including reimbursements and fees.” 10-K for 2025	acquisition	January 9, 2026	$ 35.7 million

Deal filings since 2016

2026-06-18 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2026-05-29 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2026-03-23 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2025-03-31 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2024-12-16 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2024-04-02 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2022-11-01 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2021-10-04 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2021-06-14 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2019-11-08 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2019-11-05 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2019-09-16 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2019-07-16 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2019-06-11 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2018-11-06 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2017-12-22 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2017-11-16 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2017-11-02 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2016-11-17 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2016-11-03 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2016-09-27 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2016-02-09 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement

Read from Otter Tail’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-18. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.