FirstBank Growth and Efficiency

Peer-leading net interest margin remains strong Historical yield and costs 6.0% $5,000 $4,500 Yields and Costs (%) 5.0% 4.0% 3.0% 2.0% $4,000 $3,500 $3,000 $2,500 $2,000 $1,500 $1,000 1.0% $500 $0 2012 2013 2014 2015 2016 2017 1H18 NIM (%) 3.52% 3.75% 3.93% 3.97% 4.10% 4.46% 4.73% Impact of accretion and nonaccrual NM NM NM 0.01% 0.17% 0.24% 0.20% interest collections (%)2 Deposit cost (%) 0.78% I Average interest earning assets •Cost of deposits ■1H 2018 cost of total deposits up 9 bps (or 18% beta) from 4Q 2017 0.48% 0.36% 0.30% 0.29% 0.42% 0.59% Yield on loans •NIM Loan (HFI) yield 2016 2017 1H18 Contractual interest rate on loans HFI1 Origination and other loan fee income 4.69% 4.95% 5.33% 0.41% 0.32% 0.41% 5.10% 5.27% 5.74% ■1H 2018 contractual yield on loans up 13 bps (or 26% beta from 4Q 2017 Nonaccrual interest collections² 0.06% 0.14% 0.04% 1 Includes tax-equivalent adjustment. 2 Data for nonaccrual interest collections not available prior to 2016. not meaningful NM Accretion on purchased loans 0.20% 0.22% 0.22% Loan syndication fees 0.05% 0.03% 0.02% Total loan yield (HFI) 5.41% 5.66% 6.02% FB FirstBank 12 Avg. interest earning assets ($mm)

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