Investar (ISTR) investor relations material

Executive summary

• Closed acquisition of Wichita Falls Bancshares, adding $1.2B in assets, $1.0B in loans, and $1.0B in deposits as of January 1, 2026.

• Achieved 50 consecutive quarters of dividends and 11 years of dividend growth.

• Net income available to common shareholders rose to $11.5M ($0.77 per diluted share) for Q1 2026, up from $5.4M ($0.51) in Q4 2025 and $6.3M ($0.63) in Q1 2025.

• Core diluted EPS was $0.87, up from $0.58 in Q4 2025 and $0.65 in Q1 2025.

• Focused on balance sheet optimization, digital transformation, and disciplined expense control.

Financial highlights

• Net interest margin rose 39 bps to 3.59% in Q1 2026 from 3.20% in Q4 2025 and 2.87% in Q1 2025.

• Net interest income increased 51% sequentially and 78% year-over-year to $32.7M.

• Noninterest income rose 61.8% sequentially and 48.2% year-over-year to $3.0M.

• Noninterest expense increased 40.3% sequentially and 40.7% year-over-year to $22.8M, mainly due to the WFB acquisition.

• Return on average assets was 1.25% (core: 1.41%), and return on average common equity was 12.12% (core: 13.78%).

Outlook and guidance

• Continued focus on organic earnings, capital building, and strategic share repurchases.

• Ongoing digital transformation and branch/ATM optimization.

• Management remains focused on consistent, quality earnings and shareholder value, emphasizing balance sheet optimization and capital return.

• Forward-looking statements highlight risks from economic conditions, interest rates, regulatory changes, and integration of acquisitions.