2023 Tri-State Investor Presentation

RESILIENCE LOOK FORWARD Tri-State anticipates financing through a variety of sources, giving us flexibility around how we structure our debt portfolio in relation to interest rate risk, maturity profile and amortization structure. With our commitment to the cooperative business model and to serving our member systems, Tri-State stands apart from other utilities. Our liquidity, healthy sales growth and readiness to meet future obligations and challenges highlight our strong financial position. ■ Private placement SEC registered bonds ■ CoBank ■ CFC ■ Credit facility Commercial paper 2023 TRI-STATE INVESTOR PRESENTATION | 17

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