8-K current report · filed May 5, 2026

Otter Tail Corp (OTTR) 8-K Current Report: May 5, 2026

Item 2.02Item EX-99.1OTTR overview

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Otter Tail Corp (OTTR) filed an 8-K current report with the SEC on May 5, 2026 reporting Item 2.02 (Results of Operations and Financial Condition), Item EX-99.1 (Exhibit EX-99.1). Q1 2026 consolidated financial results announced by Otter Tail Corporation.

Otter Tail Corp 8-K event analysis

AI summary of each reported item and its exhibits

Item 2.02 · Results of Operations and Financial Condition

  • Q1 2026 consolidated financial results announced by Otter Tail Corporation
  • Press release furnished as Exhibit 99.1, containing the detailed financial results
  • Item 2.02 signals earnings information relevant to quarterly performance assessment

Item EX-99.1 · Exhibit EX-99.1

  • Q1 diluted EPS $1.73 vs $1.62, with net income $72.6M vs $68.1M
  • 2026 EPS guidance reaffirmed at $5.22-$5.62, implying significant expected contribution from Plastics despite normalization
  • Electric net income rose 42.7% to $35.3M on rate increases, fuel recovery and rate-base investment recovery
  • Plastics net income fell 24.2% to $32.9M as average selling prices declined 19%, partly offset by 7% volume growth
  • Capital expenditures surged to $185.3M, funded partly by $100.0M long-term debt issuance; available liquidity totaled $658.9M

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