NB Bancorp (NBBK) investor relations material

Executive summary

• Q3 net income rose 50.6% YoY to $23.1 million, or $0.58 per diluted share; adjusted operating net income was $23.8 million, or $0.60 per diluted share.

• Assets increased 9.7% to $7.68 billion and net loans grew 13.4% to $6.69 billion from Dec. 31, 2025; gross loans and deposits rose 5.3% and 3.2% QoQ.

Financial highlights

• Q3 net interest income rose 48.3% YoY to $71.4 million and 3.3% QoQ; total revenue increased to $76.5 million from $74.7 million.

• Noninterest income rose 38.6% YoY to $5.1 million, but fell 8.2% QoQ; customer service fees led YoY growth, while swap contract income rose QoQ to $479,000 from $72,000.

• Noninterest expense increased 51.7% YoY to $46.3 million and 5.1% QoQ, reflecting acquisition costs, staffing, technology investment and intangible amortization.

• Adjusted operating net income was $23.8 million, or $0.60 per diluted share, versus $16.0 million and $0.45 a year earlier; 9M adjusted operating income was $61.5 million, or $1.52 per diluted share.

• Provision for credit losses declined 61.0% QoQ to $1.2 million.

Outlook and guidance

• Management cited confidence in sustainable growth and long-term value, with continued investment in capabilities and talent and disciplined growth execution.

• Management expects sufficient funds for current commitments and anticipates retaining a significant portion of maturing time deposits, based on retention experience and current pricing strategy.

• Year 1 modeled net interest income rises 4.8% with an immediate +200 bps shift and falls 4.5% with a -200 bps shift; scenarios are estimates, not forecasts.