RMIX · Suncrete, Inc.

Represents 48,000 restricted shares of Class A Common Stock, par value $0.0001 per share, of Suncrete, Inc. (the "Issuer") with time-based vesting criteria granted to Mr. Holden under the Suncrete, Inc. 2026 Omnibus Incentive Plan that vest as follows: (i) 32,000 shares on April 20, 2028 and (ii) 16,000 shares on April 20, 2029; provided, that Mr. Holden is providing services to the Issuer through each such date. Under the terms of the award agreement, Mr. Holden has sole voting power with respect to the shares.

Represents 48,000 restricted shares of Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), of Suncrete, Inc. (the "Issuer") with time-based vesting criteria granted to Mr. Heyer under the Suncrete, Inc. 2026 Omnibus Incentive Plan that vest as follows: (i) 32,000 shares on April 20, 2028 and (ii) 16,000 shares on April 20, 2029; provided, that Mr. Heyer is providing services to the Issuer through each such date. Under the terms of the award agreement, Mr. Heyer has sole voting power with respect to the shares.

Each share of Class B Common Stock, par value $0.0001 per share ("Class B Common Stock"), of Suncrete, Inc. (the "Issuer") is convertible at any time at the option of the holder thereof into one share of Class A Common Stock, par value $0.0001 per share, of the Issuer ("Class A Common Stock"). In addition, upon the election of the holders of a majority of the then-outstanding shares of Class B Common Stock, all outstanding shares of Class B Common Stock will be converted into shares of Class A Common Stock. Further, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon any transfer, whether or not for value, except upon certain transfers described in the Issuer's amended and restated certificate of incorporation. The holders of Class A Common Stock and Class B Common Stock vote as a single class on all matters submitted to a vote of stockholders.

The holders of Class A Common Stock are entitled to one vote per share and the holders of the Class B Common Stock are entitled to 10 votes per share. The shares of Class B Common Stock do not expire.

Represents 48,000 restricted shares of Class B Common Stock with time-based vesting criteria granted to Mr. Johnston under the Suncrete, Inc. 2026 Omnibus Incentive Plan that vest as follows: (i) 32,000 shares on April 20, 2028 and (ii) 16,000 shares on April 20, 2029; provided, that Mr. Johnston is providing services to the Issuer through each such date. Under the terms of the award agreement, Mr. Johnston has sole voting power with respect to the shares.

Each share of Class B Common Stock, par value $0.0001 per share ("Class B Common Stock"), of Suncrete, Inc. (the "Issuer") is convertible at any time at the option of the holder thereof into one share of Class A Common Stock, par value $0.0001 per share, of the Issuer ("Class A Common Stock"). In addition, upon the election of the holders of a majority of the then-outstanding shares of Class B Common Stock, all outstanding shares of Class B Common Stock will be converted into shares of Class A Common Stock. Further, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon any transfer, whether or not for value, except upon certain transfers described in the Issuer's amended and restated certificate of incorporation. The holders of Class A Common Stock and Class B Common Stock vote as a single class on all matters submitted to a vote of stockholders.

The holders of Class A Common Stock are entitled to one vote per share and the holders of the Class B Common Stock are entitled to 10 votes per share. The shares of Class B Common Stock do not expire.

Represents 96,000 restricted shares of Class B Common Stock with time-based vesting criteria granted to Mr. Matteson under the Suncrete, Inc. 2026 Omnibus Incentive Plan that vest as follows: (i) 64,000 shares on April 20, 2028, and (ii) 32,000 shares on April 20, 2029; provided, that Mr. Matteson is providing services to the Issuer through each such date. Under the terms of the award agreement, Mr. Matteson has sole voting power with respect to the shares.

Each share of Class B Common Stock, par value $0.0001 per share ("Class B Common Stock"), of Suncrete, Inc. (the "Issuer") is convertible at any time at the option of the holder thereof into one share of Class A Common Stock, par value $0.0001 per share, of the Issuer ("Class A Common Stock"). In addition, upon the election of the holders of a majority of the then-outstanding shares of Class B Common Stock, all outstanding shares of Class B Common Stock will be converted into shares of Class A Common Stock. Further, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon any transfer, whether or not for value, except upon certain transfers described in the Issuer's amended and restated certificate of incorporation. The holders of Class A Common Stock and Class B Common Stock vote as a single class on all matters submitted to a vote of stockholders.

The holders of Class A Common Stock are entitled to one vote per share and the holders of the Class B Common Stock are entitled to 10 votes per share. The shares of Class B Common Stock do not expire.

Represents 48,000 restricted shares of Class B Common Stock with time-based vesting criteria granted to Mr. Owens under the Suncrete, Inc. 2026 Omnibus Incentive Plan that vest as follows: (i) 32,000 shares on April 20, 2028 and (ii) 16,000 shares on April 20, 2029; provided, that Mr. Owens is providing services to the Issuer through each such date. Under the terms of the award agreement, Mr. Owens has sole voting power with respect to the shares.

Each share of Class B Common Stock, par value $0.0001 per share ("Class B Common Stock"), of Suncrete, Inc. (the "Issuer") is convertible at any time at the option of the holder thereof into one share of Class A Common Stock, par value $0.0001 per share, of the Issuer ("Class A Common Stock"). In addition, upon the election of the holders of a majority of the then-outstanding shares of Class B Common Stock, all outstanding shares of Class B Common Stock will be converted into shares of Class A Common Stock. Further, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon any transfer, whether or not for value, except upon certain transfers described in the Issuer's amended and restated certificate of incorporation. The holders of Class A Common Stock and Class B Common Stock vote as a single class on all matters submitted to a vote of stockholders.

The holders of Class A Common Stock are entitled to one vote per share and the holders of the Class B Common Stock are entitled to 10 votes per share. The shares of Class B Common Stock do not expire.

Represents 48,000 restricted shares of Class B Common Stock with time-based vesting criteria granted to Mr. Rees-Jones under the Suncrete, Inc. 2026 Omnibus Incentive Plan that vest as follows: (i) 32,000 shares on April 20, 2028 and (ii) 16,000 shares on April 20, 2029; provided, that Mr. Rees-Jones is providing services to the Issuer through each such date. Under the terms of the award agreement, Mr. Rees-Jones has sole voting power with respect to the shares.

Each share of Class B Common Stock, par value $0.0001 per share ("Class B Common Stock"), of Suncrete, Inc. (the "Issuer") is convertible at any time at the option of the holder thereof into one share of Class A Common Stock, par value $0.0001 per share, of the Issuer ("Class A Common Stock"). In addition, upon the election of the holders of a majority of the then-outstanding shares of Class B Common Stock, all outstanding shares of Class B Common Stock will be converted into shares of Class A Common Stock. Further, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon any transfer, whether or not for value, except upon certain transfers described in the Issuer's amended and restated certificate of incorporation. The holders of Class A Common Stock and Class B Common Stock vote as a single class on all matters submitted to a vote of stockholders.

The holders of Class A Common Stock are entitled to one vote per share and the holders of the Class B Common Stock are entitled to 10 votes per share. The shares of Class B Common Stock do not expire.

Represents 144,000 restricted shares of Class B Common Stock with time-based vesting criteria granted to Mr. Fleming under the Suncrete, Inc. 2026 Omnibus Incentive Plan that vest as follows: (i) 96,000 shares on April 20, 2028 and (ii) 48,000 shares on April 20, 2029; provided, that Mr. Fleming is providing services to the Issuer through each such date. Under the terms of the award agreement, Mr. Fleming has sole voting power with respect to the shares.

Each share of Class B Common Stock, par value $0.0001 per share ("Class B Common Stock"), of Suncrete, Inc. (the "Issuer") is convertible at any time at the option of the holder thereof into one share of Class A Common Stock, par value $0.0001 per share, of the Issuer ("Class A Common Stock"). In addition, upon the election of the holders of a majority of the then-outstanding shares of Class B Common Stock, all outstanding shares of Class B Common Stock will be converted into shares of Class A Common Stock. Further, each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon any transfer, whether or not for value, except upon certain transfers described in the Issuer's amended and restated certificate of incorporation. The holders of Class A Common Stock and Class B Common Stock vote as a single class on all matters submitted to a vote of stockholders.

The holders of Class A Common Stock are entitled to one vote per share and the holders of the Class B Common Stock are entitled to 10 votes per share. The shares of Class B Common Stock do not expire.

Represents 48,000 restricted shares of Class B Common Stock with time-based vesting criteria granted to Ms. Skelly under the Suncrete, Inc. 2026 Omnibus Incentive Plan that vest as follows: (i) 32,000 shares on April 20, 2028 and (ii) 16,000 shares on April 20, 2029; provided, that Ms. Skelly is providing services to the Issuer through each such date. Under the terms of the award agreement, Ms. Skelly has sole voting power with respect to the shares.

This transaction was executed in multiple trades during the day at prices ranging from $12.50 to $13.00. The weighted-average price is reported in column 4. 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 transactions were effected.

This transaction was executed in multiple trades during the day at prices ranging from $13.06 to $13.24. The weighted-average price is reported in column 4. 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 transactions were effected.

This transaction was executed in multiple trades during the day at prices ranging from $12.80 to $13.19. The weighted-average price is reported in column 4. 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 transactions were effected.

This transaction was executed in multiple trades during the day at prices ranging from $12.27 to $13.25. The weighted-average price is reported in column 4. 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 transactions were effected.