Greenville, South Carolina, July 22, 2025 – Southern First Bancshares, Inc. (NASDAQ: SFST), holding company for Southern First Bank, today announced its financial results for the six months ended June 30, 2025.

“Our second quarter results reflect the strength of our team who continues to generate high-quality, profitable growth in our vibrant markets. We had another quarter of solid margin expansion, a testament to our pricing focus and discipline on both sides of the balance sheet. This quarter was one of the highest revenue generating quarters in our 25-year history with total revenue growing 24% over the same quarter a year ago. Our business pipelines are strong, which will provide for healthy growth in the foreseeable future, supported by our solid balance sheet. Our asset quality is among the best in the industry. We are not immune to the potential effects of the broader and ever-changing operating environment, but we are confident in our ability to deliver improving financial performance as we have demonstrated so far this year,” stated Art Seaver, Chief Executive Officer. “This quarter we were proud to announce the addition of three new Board members, who are located across our markets and have already begun to make valuable contributions to the leadership of our company through their incredible backgrounds of community involvement and professional expertise. We also continue to attract highly talented and experienced bankers who share our passion for impacting lives by delivering the highest level of client and community service. They provide excellent opportunities to add depth in existing areas and to expand within our footprint. We have a great sense of enthusiasm and optimism about our outlook for the remainder of this year and beyond.”

2025 Second Quarter Highlights

• Diluted earnings per common share of $0.81, up $0.16, or 25%, from Q1 2025, and $0.44, or 119%, compared to Q2 2024
• Net interest margin of 2.50%, compared to 2.41% for Q1 2025 and 1.98% for Q2 2024
• Total loans of $3.7 billion, up 7% (annualized) from Q1 2025; core deposits of $2.9 billion, up 7% (annualized) from Q1 2025
• Nonperforming assets to total assets of 0.27% and past due loans to total loans of 0.14%
• Book value per common share of $42.23 increased 9% (annualized) from Q1 2025 and 8% compared to Q2 2024; Tangible Common Equity (TCE) ratio of 8.02%