MBBC · Marathon Bancorp, Inc. /MD/

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 16, 2024.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 15, 2027.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 15, 2027.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 16, 2024.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 15, 2027.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 16, 2024.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 15, 2027.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 16, 2024.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 15, 2027.

Stock options vest at a rate of 20% per year commencing on June 15, 2027.

Shares of restricted stock vest at a rate of 20% per year commencing on June 15, 2027.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

Stock options vest at a rate of 20% per year commencing on June 15, 2027.

Stock options vest at a rate of 20% per year commencing on June 15, 2027.

Shares of restricted stock vest at a rate of 20% per year commencing on June 15, 2027.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 16, 2024.

Stock options vest at a rate of 20% per year commencing on June 15, 2027.

Shares of restricted stock vest at a rate of 20% per year commencing on June 15, 2027.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 16, 2024.

Shares of restricted stock vest at a rate of 20% per year commencing on June 15, 2027.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

Shares of restricted stock vest at a rate of 20% per year commencing on June 15, 2027.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 16, 2024.

Stock options vest at a rate of 20% per year commencing on June 15, 2027.

Shares of restricted stock vest at a rate of 20% per year commencing on June 15, 2027.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

Shares of restricted stock vest at a rate of 20% per year commencing on June 15, 2027.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 16, 2024.

Stock options vest at a rate of 20% per year commencing on June 15, 2027.

Stock options vest at a rate of 20% per year commencing on June 15, 2027.

Stock options vest at a rate of 20% per year commencing on June 15, 2027.

Shares of restricted stock vest at a rate of 20% per year commencing on June 15, 2027.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $14.18 to $14.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (4) to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $14.18 to $14.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (4) to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $14.18 to $14.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (4) to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $14.18 to $14.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (4) to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $14.00 to $14.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (3) to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $14.00 to $14.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (3) to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $14.00 to $14.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (3) to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $14.00 to $14.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (3) to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.75 to $14.00, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (2) to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.75 to $14.00, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (2) to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.75 to $14.00, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (2) to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.75 to $14.00, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (2) to this Form 4.

Stock options vest at a rate of 20% per year commencing on June 28, 2023.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

Stock options vest at a rate of 20% per year commencing on May 16, 2024.

Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.655 to $13.75, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.655 to $13.75, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4.

Stock options vest at a rate of 20% per year commencing on May 16, 2024.