AI Earnings Predictions for Otter Tail Corporation (OTTR)

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Press Release

November 2, 2026

Otter Tail Corporation Announces Third Quarter Results and Affirms the Midpoint of Annual Earnings Guidance

FERGUS FALLS, Minnesota - Otter Tail Corporation (Nasdaq: OTTR) today announced financial results for the quarter ended September 30, 2026.

SUMMARY

•Produced quarterly diluted earnings per share of $1.41.

•Affirmed the midpoint of our annual earnings guidance and narrowed the range.

CEO OVERVIEW

“Our team members continue to deliver on our strategic growth plan and near-term priorities amidst a challenging operating environment,” said CEO Chuck MacFarlane.

“Otter Tail Power continues to perform well, as our team is executing on our regulatory priorities and robust rate base growth plan. We are making progress on our ongoing Minnesota rate case and our integrated resource plan filed with the Minnesota Public Utilities Commission earlier this year. Our team is advancing our ongoing renewable generation and transmission capital investment projects despite increasing challenges in transmission development. We are focused on strong project execution for the benefit of our customers and shareholders.

“We are encouraged by increasing sales volumes within our Manufacturing segment. End market demand continues to improve and our team is effectively executing on our strategy of providing value-added service to our customers. Our businesses are being impacted by inflationary cost pressures and the challenge of responding to increasing customer demand.

“As expected, Plastics segment financial results for the quarter were negatively impacted by lower sales volumes and a continued decline in the average sales price of our PVC pipe. Sales volumes decreased as our customers advanced their purchases of our PVC pipe earlier this year in response to announced resin price increases. In addition, a softening housing market also contributed to the decline in volumes for the period. Despite the quarterly decrease, our team continues to effectively leverage the large diameter capacity added at our PVC pipe facility in Arizona, helping to offset the decrease.

“We remain well positioned to deliver on our financial objectives for the year. We are maintaining the midpoint and narrowing the range of our 2026 annual earnings guidance.

“The fundamentals of our diversified portfolio remain strong, and we are confident in our ability to deliver on our strategic growth plan over the long-term. We continue to target a long-term earnings per share growth rate of 7 to 9 percent and a total shareholder return of 10 to 12 percent.”

QUARTERLY DIVIDEND

On November 2, 2026, the corporation’s Board of Directors declared a quarterly common stock dividend of $0.5775 per share. This dividend is payable on December 10, 2026 to shareholders of record on November 13, 2026.

CASH FLOWS AND LIQUIDITY

Consolidated cash provided by operating activities was $307.9 million for the nine months ended September 30, 2026, compared with $288.9 million for the same period in 2025. The increase was primarily driven by lower working capital requirements, largely reflecting the timing of the recovery of fuel costs and rider revenues from our utility customers.

Investing activities for the nine months ended September 30, 2026 included $451.6 million of capital expenditures. Our capital investments were largely within our Electric segment and primarily related to our Abercrombie and Solway solar projects, wind repowering initiative, and transmission and distribution system investments.

Financing activities for the nine months ended September 30, 2026 included the issuance of $170.0 million of long-term debt by Otter Tail Power, the proceeds of which were used to repay short-term borrowings, fund capital investments, and support operating activities. Financing activities for the period also included $72.8 million of dividend payments and $31.5 million of net repayments of short-terms borrowings.

As of September 30, 2026 available liquidity totaled $601.8 million, consisting of $170.0 million and $178.5 million available under our Otter Tail Corporation and Otter Tail Power credit facilities, respectively, and $253.3 million of cash, cash equivalents and marketable securities.

SEGMENT PERFORMANCE

Electric Segment

Three Months Ended September 30,

($ in thousands)20262025Change% Change

Operating Revenues$134,979 $138,597 $(3,618)(2.6)%

Net Income27,418 27,308 110 0.4

Retail MWh Sales1,385,582 1,373,054 12,528 0.9 %

Heating Degree Days7 25 (18)(72.0)

Cooling Degree Days460 326 134 41.1

The following table shows heating degree days and cooling degree days as a percent of normal.

Three Months Ended September 30,

20262025

Heating Degree Days 17.1 %61.0 %

Cooling Degree Days 131.4 %93.1 %

The following table summarizes the estimated effect on diluted earnings per share of the difference in retail kilowatt-hour (kwh) sales under actual weather conditio

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Press Release

August 3, 2026

Otter Tail Corporation Announces Second Quarter Results and Updates Annual Earnings Guidance

FERGUS FALLS, Minnesota - Otter Tail Corporation (Nasdaq: OTTR) today announced financial results for the quarter ended June 30, 2026.

SUMMARY

•Reported quarterly diluted loss per share of $0.18 and adjusted diluted earnings per share of $1.66.

•Updated our annual diluted earnings per share guidance range to $3.84 to $4.24.

•Initiated annual adjusted diluted earnings per share guidance range of $5.68 to $6.08.

CEO OVERVIEW

“Our team advanced our strategic initiatives during the quarter and delivered on our near-term priorities and growth plan for the benefit of our customers and shareholders,” said CEO Chuck MacFarlane. “I am grateful for their efforts in what was a very busy quarter and for the ways they continue to support our customers.

“Otter Tail Power’s team members continue to execute well on our regulatory and strategic priorities. During the second quarter, we secured route permits for two of our large regional transmission projects, filed our 15-year integrated resource plan with the Minnesota commission and continued to make progress on our ongoing Minnesota rate case.

“Our Manufacturing segment produced improved financial results, primarily driven by a favorable product mix as our team continues to focus on providing value-added service to customers, creating margin expansion. Sales volumes also increased as our businesses were well positioned to capitalize on improved demand, especially in the recreational vehicle, construction and horticulture end markets.

“Our Plastics segment outperformed our expectations, driven by strong sales volumes as our customers sought to secure PVC pipe in advance of announced resin price increases. Additionally, the rate of decline in the sales price of our PVC pipe moderated in a strong demand environment. Our team effectively leveraged the additional capacity recently added at our Phoenix facility to fulfill customer demand.

“During the second quarter, we entered into settlement agreements with the three putative classes in the PVC pipe U.S. antitrust litigation. If final approval is granted by the court, the settlement agreements will resolve all claims arising from these putative classes. While not admitting any wrongdoing, fault or liability, we agreed to pay $103.5 million to resolve the class action litigation. We concluded resolution through settlements was in our best interest as it meaningfully reduces the uncertainty, distraction and significant costs and exposure associated with complex antitrust litigation, and allows our team members to remain focused on what we do best - serving our customers.

“We are updating our 2026 diluted earnings per share guidance range to $3.84 to $4.24 from $5.22 to $5.62 primarily due to the impact of the settlement agreements and related expense. We are initiating an adjusted diluted earnings per share guidance range of $5.68 to $6.08 which excludes the after-tax impact of the litigation settlement expense and reflects an increase from our original guidance range.

“The fundamentals of our diversified business model remains strong, and we are well positioned to deliver on our investment targets over the long term. We continue to target a long-term earnings per share growth rate of 7 to 9 percent and a total shareholder return of 10 to 12 percent.”

QUARTERLY DIVIDEND

On August 3, 2026, the corporation’s Board of Directors declared a quarterly common stock dividend of $0.5775 per share. This dividend is payable on September 10, 2026 to shareholders of record on August 14, 2026.

CASH FLOWS AND LIQUIDITY

Our consolidated cash provided by operating activities for the six months ended June 30, 2026 was $182.7 million compared to $159.4 million for the six months ended June 30, 2025. This increase was primarily due to a decrease in working capital requirements, largely driven by the timing of vendor payments and the recovery of fuel cost and rider revenues from our utility customers.

Investing activities for the six months ended June 30, 2026 included capital expenditures of $324.8 million. Our capital investments were largely within our Electric segment and included investments in our Abercrombie and Solway solar projects, as well as investments in our wind repowering and other projects.

Financing activities for the six months ended June 30, 2026 included the issuance of $170.0 million of long-term debt by Otter Tail Power; the proceeds of which were used to repay short-term borrowings, fund capital investments and support operating activities. Financing activities for the period also included dividend payments of $48.5 million.

As of June 30, 2026 we had $170.0 million and $153.0 million of available liquidity under our Otter Tail Corporation and Otter Tail Power credit facilities, respectively, along with $278.4 million of ava

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