MNTK · Montauk Renewables, Inc. · Insider Trading

Represents Restricted Stock Units ("RSUs"). The grant of RSUs shall vest ratably on the third, fourth and fifth anniversary of date of grant. Each RSU is settled solely for one share of Common Stock.

Includes 302,982 RSUs.

Represents Restricted Stock Units ("RSUs"). The grant of RSUs shall vest ratably on the third, fourth and fifth anniversary of date of grant. Each RSU is settled solely for one share of Common Stock.

Includes 302,982 RSUs.

Represents Restricted Stock Units ("RSUs"). The grant of RSUs shall vest ratably on the third, fourth and fifth anniversary of date of grant. Each RSU is settled solely for one share of Common Stock.

Includes 282,842 RSUs.

Represents Restricted Stock Units ("RSUs"). The grant of RSUs shall vest ratably on the third, fourth and fifth anniversary of date of grant. Each RSU is settled solely for one share of Common Stock.

Includes 383,183 RSUs.

The underlying transaction was denominated in South African rand ("ZAR"). The amount reported in United States Dollars ("USD") has been converted from ZAR using the South African Reserve Bank exchange rate in effect on the transaction date of 16.4093 ZAR to 1 USD. The per share purchase price was ZAR 23.86.

These shares of common stock, par value $0.01 ("Common Stock"), of Montauk Renewables, Inc. (the "Issuer") are owned directly by Rivetprops 47 (PTY) Ltd. ("Rivetprops") and indirectly by Mr. Copelyn. Mr. Copelyn is a member of the board of directors of Rivetprops and is deemed to have voting and investment power with respect to the shares of Common Stock held by Rivetprops.

Represents shares withheld by the issuer to satisfy tax withhholding obligations in connection with the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy tax withhholding obligations in connection with the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

The price reported in Column 4 is a weighted average price. The Shares were sold in multiple transactions at prices ranging from $11.62 to $12.60 per share, at a weighted average price of $12.02 per share. The Reporting Person undertakes to provide to any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock sold at each separate price within the ranges set forth in the footnotes of this Form 4.

The price reported in Column 4 is a weighted average price. The Shares were sold in multiple transactions at prices ranging from $12.64 to $12.78 per share, at a weighted average price of $12.68 per share.

The price reported in Column 4 is a weighted average price. The Shares were sold in multiple transactions at prices ranging from $11.62 to $12.60 per share, at a weighted average price of $12.07 per share. The Reporting Person undertakes to provide to any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock sold at each separate price within the ranges set forth in the footnotes of this Form 4.

The price reported in Column 4 is a weighted average price. The Shares were sold in multiple transactions at prices ranging from $12.64 to $12.78 per share, at a weighted average price of $12.68 per share.

Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.