Otter Tail Corporation · NASDAQ:OTTR

Otter Tail — Sidoti Spring 2022 Virtual Conference

37 slides from Otter Tail's conference presentation, Mar 23, 2022

  1. Slide 1: Sidoti Spring 2022 Virtual Conference

    Sidoti Spring 2022 Virtual Conference March 23-24, 2022

  2. Slide 2: Forward-Looking Statement

    FORWARD-LOOKING STATEMENT Except for historical information contained here, the statements in this presentation are forward-looking and made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. The words “anticipate,” “believe,” “could,” “estimate,” “expect

  3. Slide 3: Agenda

    AGENDA • Business Overview • ESG Highlights • Electric Platform • Manufacturing Platform • Financial Update 3

  4. Slide 4: Company Overview

    COMPANY OVERVIEW MANUFACTURING PLATFORM ELECTRIC PLATFORM MANUFACTURING SEGMENT PLASTICS SEGMENT Target Earnings Contributions Electric Platform Manufacturing Platform • Competitive low-cost operations • Long-term growth potential • Constructive regulatory environment • Capacity utilization • Attrac

  5. Slide 5: Strategic Outlook

    STRATEGIC OUTLOOK • High performing electric utility ◦ Strong pipeline of rate base growth for at least 5 years ◦ Supportive regulatory treatment ◦ History of excellence • Disciplined and focused set of manufacturing companies ◦ Incremental organic growth ◦ Diversified earnings complement electric u

  6. Slide 6: 2021 Financial Summary and Highlights

    2021 FINANCIAL SUMMARY AND HIGHLIGHTS • Diluted earnings per share of $4.23, up 80.4 percent from 2020 2021 2020 • Consolidated return on equity of 19.2 percent on an equity Operating Revenues $ 1,196.8 $ 890.1 ratio of 53.7 percent • Increased the 2021 annual dividend 5.4 percent from $1.48 to (in

  7. Slide 7: EPS Compared with Original EPS Guidance Range

    EPS COMPARED WITH ORIGINAL EPS GUIDANCE RANGE $4.50 Initiated 2021 EPS Guidance range of $2.39-$2.54. 2021 EPS of $4.23 primarily due to strong performance in Plastics segment $4.00 $3.50 Plastic Segment $3.00 outperforms Strong performance guidance in Plastic Segment & $2.50 impact of tax reform $2

  8. Slide 8: Cleaner Energy Future

    CLEANER ENERGY FUTURE OTP Energy Resource Mix Based on filed Otter Tail Power Company CO2 Trend Coal Renewable Purchased Gas/Oil Integrated (Owned Resources) 2005 - 2025 Resource Plan 6.0 CO2 Emissions (million 4.4 —% 1% 4% 5% 4.3 4.0 4.0 3.6 23% short tons) 37% 32% 36% 2.9 9% 2.4 2.1 28% 33% 2.0 68

  9. Slide 9: ESG Highlights

    ESG HIGHLIGHTS By 2023, our customers will receive approximately 30% of their energy from renewable resources.* Continue to execute on energy transition to lower carbon generation. Carbon emission reductions targeted to • Closure of Hoot Lake Coal Plant be 50% lower than 2005 levels by 2025 • Comple

  10. Slide 10: ESG Highlights

    ESG HIGHLIGHTS Safety - Safety is one of our core values. We focus on the safety of our employees and have implemented safety programs and management practices to promote a culture of safety. Safety is also a metric used and evaluated in determining annual incentive compensation. Human Capital We ar

  11. Slide 11: Electric Platform

    ELECTRIC PLATFORM OrEnian POWER COMPANY 1

  12. Slide 12: Electric Operations

    ELECTRIC OPERATIONS Operating Revenue (in millions) $600.0 $459.1 $480.3 $446.1 $400.0 Highlights • Filed Integrated Resource Plan $200.0 • Closure of the coal-fired Hoot Lake Plant in May 2021 • Rate base growth opportunities: $— • Renewable generation - Hoot Lake Solar and Ashtabula 2019 2020 2021

  13. Slide 13: MN Integrated Resource Plan/ND Regional Haze Plan

    MN INTEGRATED RESOURCE PLAN/ND REGIONAL HAZE PLAN Project Summary • Filed September 2021, jointly in MN, ND, & SD • Required filing in Minnesota. North Dakota recently passed legislation requiring an IRP filing, but specific rulemaking is not complete. • Preferred 5-year plan, requested authority to

  14. Slide 14: Hoot Lake Solar

    HOOT LAKE SOLAR Project Hoot Lake Solar Description 49.9-MW self-build solar Schedule 2020-2023 Otter Tail Power Cost ~ $60 million Project Summary • Qualifies for investment tax credit of 26%; safe harbor equipment secured. • Eligible to meet utility scale portion of MN Solar Energy Standard (1.5%

  15. Slide 15: Ashtabula III Purchase

    ASHTABULA III PURCHASE Project Ashtabula III Description 62.4-MW wind farm Schedule Expected closing in early 2023 Otter Tail Power Cost ~ $50 million Project Summary • Purchase power agreement (PPA) with NextEra Energy began in 2013 • Due diligence is occurring and regulatory proceedings are underw

  16. Slide 16: 2022 Key Regulatory Matters

    2022 KEY REGULATORY MATTERS Estimated Regulatory Matter MN ND SD Date Minnesota Electric Utility Infrastructure Costs (EUIC) Approval for AMI X Q2 2022 Filing Minnesota Depreciation Order X Q2 2022 Q2 2022/ Minnesota Rate Review Finalized/Final Rate Implemented X Q3 2022 Minnesota Integrated Resourc

  17. Slide 17: Rate Base Growth

    RATE BASE GROWTH Rate Base $978M of Capital Spending from 2022 to 2026 Renewables & Natural Gas, 46% in billions $2.10 $1.98 $1.86 $1.75 $1.63 2022-2026 $1.58 Other, 15% Total o f 5.9% R 26 CAG 1 - 20 Transformative 202 Technology & Infrastructure, 8% Transmission (incl. replacement), 13% Distributi

  18. Slide 18: Regulatory Framework

    REGULATORY FRAMEWORK Minnesota North Dakota South Dakota Renewable Riders Rider recovery / Rate case Rider recovery / Rate case Phase-in rider / Rate case Tranmission Riders Rider recovery / Rate case Rider recovery / Rate case Rider recovery / Rate case A constructive regulatory environment In stat

  19. Slide 19: Rate Base Projects

    RATE BASE PROJECTS Our Investment Project (millions) In Service % Complete Recovery Mechanisms Hoot Lake Solar ~ $60 2022 - 2023 ~ 15% Rider/General Rate Case - MN Advanced Metering Infrastructure and Grid Modernization Rider/General Rate Case - MN ~ $145 2019 - 2024 ~ 10% (Innovation 2030) General

  20. Slide 20: Electric Rates Cents per KWH

    Electric Rates Average Summer Residential Rate per KWH Otter Tail Power has maintained rates 15.0 13.1 13.2 13.2 13.5 lower than the national average in 13.0 13.1 recent years while major projects 12.5 have been constructed and put in Cents per KWH service. 10.0 10.5 10.0 10.2 9.8 9.5 9.7 Continuous

  21. Slide 21: Manufacturing Platform

    MANUFACTURING PLATFORM BTD TO. PLASTICS p northern pipe products VINYLTECH Vil EV Gerlee 21

  22. Slide 22: Manufacturing Operations

    MANUFACTURING OPERATIONS Operating Revenue (in millions) • Contract metal fabrication – stamping, machining, tube bending, tool & die, laser cutting, welding, painting, assembly. A one stop shop for customer needs. $400 • Growth opportunities with existing customer base and expansion with new $336.3

  23. Slide 23: Manufacturing Locations

    MANUFACTURING LOCATIONS 23

  24. Slide 24: Manufacturing Sales by End Markets

    MANUFACTURING SALES BY END MARKETS Agriculture, 13% Energy, 3% 2020 Agriculture, 15% Energy, 1% 2021 Rec. Vehicle, 34% Rec. Vehicle, 41% Lawn & Garden, 16% Lawn & Garden, 20% Construction, 14% Industrial, 12% Industrial, 13% Construction, 18% 2020 2021 Other, 1% Other, 1% Industrial, 4% Industrial,

  25. Slide 25: Plastics Operations

    PLASTICS OPERATIONS Operating Revenue (in millions) $400 $380.2 • Manufactures and sells PVC (polyvinyl chloride) pipe to distributors. Pipe is used in municipal water, rural water, wastewater, and storm drainage systems. $300 • Plants located Fargo ND & Phoenix AZ. $205.2 • Approximate production c

  26. Slide 26: Historical Resin, Pipe Price and Spreads

    HISTORICAL RESIN, PIPE PRICE AND SPREADS Spread Relationship to Price Resin shortages driven by Hurricane Ida, COVID, and a polar vortex have driven margins to record levels Hurricane Harvey, followed by a series of resin disruptions, have reset margins for the past several years A downward slide in

  27. Slide 27: Plastics Locations

    PLASTICS LOCATIONS 27

  28. Slide 28: Financial Update

    FINANCIAL UPDATE 28

  29. Slide 29: Financial Overview

    FINANCIAL OVERVIEW Operating Revenues Operating Income Net Income in millions in millions in millions $1,500 $300 $200 2021 earnings mix was not $176.8 the targeted 70% Utility / $249.7 $1,250 $1,196.8 $250 30% Manufacturing mix due to the strong Plastic $150 segment performance as $1,000 $919.5 $20

  30. Slide 30: Liquidity, Cap Structure & Credit Ratings

    LIQUIDITY, CAP STRUCTURE & CREDIT RATINGS Liquidity: Line of Credit Availability Consolidated Capital Structure & ROE Otter Tail Corporation Otter Tail Power Company 19.2% 20% 100% Borrowing Capacity of $170M in millions Equity / Debt Percentage 46.3% 18% 75% 47.1% 49.3% Return on Equity $88.3 $104.

  31. Slide 31: 2022 Earnings Guidance

    2022 EARNINGS GUIDANCE Actual 2022 Guidance Diluted EPS 2020 2021 Low High Electric $ 1.63 $ 1.73 $ 1.81 $ 1.85 Manufacturing 0.27 0.41 0.42 0.46 Plastics 0.67 2.34 1.81 2.00 Corporate (0.23) (0.25) (0.26) (0.23) Total $ 2.34 $ 4.23 $ 3.78 $ 4.08 Return on Equity 11.6 % 19.2 % 15.3 % 16.3 % 31

  32. Slide 32: Five Year Financing Plan

    FIVE YEAR FINANCING PLAN Long-Term Financing 2021 2022-2026 in millions (Actual) (Planned) LONG-TERM DEBT Otter Tail Power Issuances $ 140.0 $ 380.0 Retirements (140.0) (30.0) Otter Tail Corporation (Parent) Issuances $ — $ 80.0 Retirements (0.2) (80.0) Net Debt Increase $ (0.2) $ 350.0 EQUITY - No

  33. Slide 33: Bond Maturity Schedule

    BOND MATURITY SCHEDULE $150 in millions Balanced and manageable maturity schedule 7.00% 6.47% Weighted average interest 6.37% 6.15% rate of 4.29% $90 million $125 6.00% delayed draw from $230 million 5.47% private placement in 2021 $100 5.00% Debt Maturity Interest Rate 4.45% $75 4.07% 3.92% 3.82% 3

  34. Slide 34: Capital Expenditures

    CAPITAL EXPENDITURES Total in millions 2021 2022 2023 2024 2025 2026 2022-2026 Electric Segment Renewables & Natural Gas Generation $ 30 $ 80 $ 92 $ 92 $ 160 $ 454 Technology & Infrastructure 26 30 18 — — 74 Distribution Plant Replacements 37 35 35 35 33 175 Transmission (incl. replacements) 26 28 2

  35. Slide 35: History of Dividend Growth

    HISTORY OF DIVIDEND GROWTH Our Dividend Story Dividend Growth & Payout Ratio CAGR = 5.2% • Paid annual dividend without interruption $1.65 since 1938 CAGR = 1.8% $1.56 $1.48 $1.40 $1.34 $1.28 • 5.8% increase, or $9 cents per share, $1.19 $1.21 $1.23 $1.25 indicated for 2022 • Strong balance sheet, a

  36. Slide 36: OTTR Investment Theme

    OTTR INVESTMENT THEME Total Shareholder Return1 8-10% Long-Term EPS Growth Rate (2020 Base Year) 5-7% Dividend Yield ~ 3% Long-Term Targeted Dividend Payout Ratio 60-70% Dividend Growth Rate 5-7% 1 Defined as EPS growth rate plus dividend yield Balanced Growth & Income Strategy Stable & Growth Utili

  37. Slide 37: www.ottertail.com

    S OTIERTAIL W CORPORATION www.ottertail.com

Otter Tail — Sidoti Spring 2022 Virtual Conference on 6ix