FGBI · First Guaranty Bancshares, Inc.

Each depository shares represents a 1/40th interest in a share of the issuer's 6.75% Series A Fixed-Rate Non-Cumulative Perpetual Preferred Stock, par value $1,000 per share, with a liquidation preference of $1,000 per share (equivalent to $25.00 per Depository Share).

Each depository shares represents a 1/40th interest in a share of the issuer's 6.75% Series A Fixed-Rate Non-Cumulative Perpetual Preferred Stock, par value $1,000 per share, with a liquidation preference of $1,000 per share (equivalent to $25.00 per Depository Share).

Each depository shares represents a 1/40th interest in a share of the issuer's 6.75% Series A Fixed-Rate Non-Cumulative Perpetual Preferred Stock, par value $1,000 per share, with a liquidation preference of $1,000 per share (equivalent to $25.00 per Depository Share).

This transaction was executed in multiple trades at prices ranging from $19.18 to $19.28. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

This transaction was executed in multiple trades at prices ranging from $8.39 to $8.40. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

The shares were issued pursuant to the terms of the Second Amendment to the Promissory Note, dated as of March 20, 2026, by and between First Guaranty Bancshares, Inc., and Smith & Tate Investments, L.L.C. (the "Second Promissory Note Amendment") and the Second Amendment to the First Guaranty Bancshares, Inc. Floating Rate Subordinated Note due March 28, 2034, by and between First Guaranty Bancshares, Inc. and Smith & Tate Investments, L.L.C. (the "Second Subordinated Note Amendment"). The Second Promissory Note Amendment and the Second Subordinated Note Amendment were filed as Exhibit 10.1 and Exhibit 10.2 to the Form 8-K filed by First Guaranty Bancshares, Inc. with the SEC on March 20, 2026.

The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

Includes 105,907 shares of common stock issued to the reporting person pursuant to the terms of the Second Amendment to the Promissory Note, dated as of March 20, 2026, by and between First Guaranty Bancshares, Inc. and Smith & Tate Investments, L.L.C. (the "Second Promissory Note Amendment") and the Second Amendment to the First Guaranty Bancshares, Inc. Floating Rate Subordinated Note due March 28, 2034, dated as of March 20, 2026, by and between First Guaranty Bancshares, Inc. and Smith & Tate Investments, L.L.C. (the "Second Subordinated Note Amendment"). The Second Promissory Note Amendment and the Second Subordinated Note Amendment were filed as Exhibit 10.1 and Exhibit 10.2 to the Form 8-K filed by First Guaranty Bancshares, Inc. with the SEC on March 20, 2026.

The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

Includes 162,699 shares of common stock issued to the reporting person pursuant to the terms of the First Amendment to the Promissory Note, dated as of June 4, 2025, by and between First Guaranty Bancshares, Inc. and Smith & Tate Investments, L.L.C. (the "Promissory Note Amendment") and the First Amendment to the First Guaranty Bancshares, Inc. Floating Rate Subordinated Note due March 28, 2034, dated as of June 4, 2025, by and between First Guaranty Bancshares, Inc. and Smith & Tate Investments, L.L.C. (the "Subordinated Note Amendment"). The Promissory Note Amendment and the Subordinated Note Amendment were filed as Exhibit 10.1 and Exhibit 10.2 to the Form 8-K filed by First Guaranty Bancshares, Inc. with the SEC on June 9, 2025.

The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

This transaction was executed in multiple trades at prices ranging from $4.51 to $4.53. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

This transaction was executed in multiple trades at prices ranging from $4.50 to $4.58. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

This transaction was executed in multiple trades at prices ranging from $4.81 to $5.06. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

Includes 110,272 shares of common stock issued to the reporting person pursuant to the terms of the First Amendment to the Promissory Note, dated as of June 4, 2025, by and between First Guaranty Bancshares, Inc. and Smith & Tate Investment, L.L.C. (the "Promissory Note Amendment") and the First Amendment to the First Guaranty Bancshares, Inc. Floating Rate Subordinated Note due March 28, 2034, dated as of June 4, 2025, by and between First Guaranty Bancshares, Inc. and Smith & Tate Investment, L.L.C. (the "Subordinated Note Amendment"). The Promissory Note Amendment and the Subordinated Note Amendment were filed as Exhibit 10.1 and Exhibit 10.2 to the Form 8-K filed by First Guaranty Bancshares, Inc. with the SEC on June 9, 2025.

The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

This transaction was executed in multiple trades at prices ranging from $8.19 to $8.20. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Each depository share represents a 1/40th interest in a share of the issuer's 6.75% Series A Fixed-Rate Non-Cumulative Perpetual Preferred Stock, par value $1,000 per share, with a liquidation preference of $1,000 per share (equivalent to $25.00 per Depository Share).

Each depository share represents a 1/40th interest in a share of the issuer's 6.75% Series A Fixed-Rate Non-Cumulative Perpetual Preferred Stock, par value $1,000 per share, with a liquidation preference of $1,000 per share (equivalent to $25.00 per Depository Share).

Each depository share represents a 1/40th interest in a share of the issuer's 6.75% Series A Fixed-Rate Non-Cumulative Perpetual Preferred Stock, par value $1,000 per share, with a liquidation preference of $1,000 per share (equivalent to $25.00 per Depository Share).

Each depository share represents a 1/40th interest in a share of the issuer's 6.75% Series A Fixed-Rate Non-Cumulative Perpetual Preferred Stock, par value $1,000 per share, with a liquidation preference of $1,000 per share (equivalent to $25.00 per Depository Share).

Each depository share represents a 1/40th interest in a share of the issuer's 6.75% Series A Fixed-Rate Non-Cumulative Perpetual Preferred Stock, par value $1,000 per share, with a liquidation preference of $1,000 per share (equivalent to $25.00 per Depository Share).

The shares of common stock currently held by the reporting person's IRA were previously held by the issuer's employee stock ownership plan.

Each depository share represents a 1/40th interest in a share of the issuer's 6.75% Series A Fixed-Rate Non-Cumulative Perpetual Preferred Stock, par value $1,000 per share, with a liquidation preference of $1,000 per share (equivalent to $25.00 per Depository Share).

The shares of common stock currently held by the reporting person's IRA were previously held by the issuer's employee stock ownership plan.

This transaction was executed in multiple trades at prices ranging from $7.96 to $7.98. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

This transaction was executed in multiple trades at prices ranging from $7.95 to $8.05. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

This transaction was executed in multiple trades at prices ranging from $7.83 to $7.84. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

The 1,981,506 shares of common stock of the issuer were issued to the reporting person pursuant to the terms of the Exchange Agreement, dated as of June 16, 2025, by and between First Guaranty Bancshares, Inc. and Edgar Ray Smith, III (the "Exchange Agreement"). The Exchange Agreement provides for the issuance of 1,981,506 shares of common stock of the issuer at a price of $7.57 per share in exchange for that certain Floating Rate Subordinated Note due June 21, 2032, in the principal amount of $15,000,000. The Exchange Agreement was filed as Exhibit 10.1 to the Form 8-K filed by First Guaranty Bancshares, Inc. with the SEC on June 18, 2025.