Director/PDMR Shareholding

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Anthony Smurfit

2

Reason for the notification

a)

Position/status

President and Group Chief Executive Officer /Executive Director

b)

Initial notification /Amendment

Initial Notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Smurfit Westrock plc

b)

LEI

635400EGSEOPDW2EXS14

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Ordinary Shares of $0.001 each

Identification code

IE00028FXN24

b)

Nature of the transaction

Grant of the 2024 PSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan

c)

Price(s) and volume(s)

Price(s)

Volume(s)

Nil

144,452

d)

Aggregated information

N/A

- Aggregated volume

- Price

e)

Date of the transaction

2 August 2024

f)

Place of the transaction

N/A (Outside a trading venue)

g)

Additional Information

N/A

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

 Ken Bowles

2

Reason for the notification

a)

Position/status

Executive Vice President and Group Chief Financial Officer /Executive Director

b)

Initial notification /Amendment

Initial Notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Smurfit Westrock plc

b)

LEI

635400EGSEOPDW2EXS14

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Ordinary Shares of $0.001 each

Identification code

IE00028FXN24

b)

Nature of the transaction

Grant of the 2024 PSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan

c)

Price(s) and volume(s)

Price(s)

Volume(s)

Nil

24,572

d)

Aggregated information

N/A

- Aggregated volume

- Price

e)

Date of the transaction

2 August 2024

f)

Place of the transaction

N/A (Outside a trading venue)

g)

Additional Information

N/A

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Saverio Mayer

2

Reason for the notification

a)

Position/status

President and Chief Executive Officer (Europe, MEA, APAC)

b)

Initial notification /Amendment

Initial Notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Smurfit Westrock plc

b)

LEI

635400EGSEOPDW2EXS14

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Ordinary Shares of $0.001 each

Identification code

IE00028FXN24

b)

Nature of the transaction

Grant of the 2024 PSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan

c)

Price(s) and volume(s)

Price(s)

Volume(s)

Nil

9,443

d)

Aggregated information

N/A

- Aggregated volume

- Price

e)

Date of the transaction

2 August 2024

f)

Place of the transaction

N/A (Outside a trading venue)

g)

Additional Information

N/A

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Laurent Sellier

2

Reason for the notification

a)

Position/status

President and Chief Executive Officer (North America) (incl Mexico)

b)

Initial notification /Amendment

Initial Notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Smurfit Westrock plc

b)

LEI

635400EGSEOPDW2EXS14

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Ordinary Shares of $0.001 each

Identification code

IE00028FXN24

b)

Nature of the transaction

Grant of the 2024 PSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan

c)

Price(s) and volume(s)

Price(s)

Volume(s)

Nil

15,106

d)

Aggregated information

N/A

- Aggregated volume

- Price

e)

Date of the transaction

2 August 2024

f)

Place of the transaction

N/A (Outside a trading venue)

g)

Additional Information

N/A

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Jairo Lorenzatto

2

Reason for the notification

a)

Position/status

President and Chief Executive Officer (LATAM)

b)

Initial notification /Amendment

Initial Notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Smurfit Westrock plc

b)

LEI

635400EGSEOPDW2EXS14

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Ordinary Shares of $0.001 each

Identification code

IE00028FXN24

b)

Nature of the transaction

Grant of the 2024 PSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan

c)

Price(s) and volume(s)

Price(s)

Volume(s)

Nil

8,416

d)

Aggregated information

N/A

- Aggregated volume

- Price

e)

Date of the transaction

2 August 2024

f)

Place of the transaction

N/A (Outside a trading venue)

g)

Additional Information

N/A

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Ben Garren

2

Reason for the notification

a)

Position/status

Group General Counsel

b)

Initial notification /Amendment

Initial Notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Smurfit Westrock plc

b)

LEI

635400EGSEOPDW2EXS14

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Ordinary Shares of $0.001 each

Identification code

IE00028FXN24

b)

Nature of the transaction

Grant of the 2024 PSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan

c)

Price(s) and volume(s)

Price(s)

Volume(s)

Nil

25,929

d)

Aggregated information

N/A

- Aggregated volume

- Price

e)

Date of the transaction

2 August 2024

f)

Place of the transaction

N/A (Outside a trading venue)

g)

Additional Information

N/A

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Irial Finan

2

Reason for the notification

a)

Position/status

Chair/Non-executive Director

b)

Initial notification /Amendment

Initial Notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Smurfit Westrock plc

b)

LEI

635400EGSEOPDW2EXS14

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Ordinary Shares of $0.001 each

Identification code

IE00028FXN24

b)

Nature of the transaction

Grant of the 2024 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan

c)

Price(s) and volume(s)

Price(s)

Volume(s)

Nil

3,291

d)

Aggregated information

N/A

- Aggregated volume

- Price

e)

Date of the transaction

2 August 2024

f)

Place of the transaction

N/A (Outside a trading venue)

g)

Additional Information

N/A

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Carol Fairweather

2

Reason for the notification

a)

Position/status

Non-executive Director

b)

Initial notification /Amendment

Initial Notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Smurfit Westrock plc

b)

LEI

635400EGSEOPDW2EXS14

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Ordinary Shares of $0.001 each

Identification code

IE00028FXN24

b)

Nature of the transaction

Grant of the 2024 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan

c)

Price(s) and volume(s)

Price(s)

Volume(s)

Nil

2,094

d)

Aggregated information

N/A

- Aggregated volume

- Price

e)

Date of the transaction

2 August 2024

f)

Place of the transaction

N/A (Outside a trading venue)

g)

Additional Information

N/A

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Mary Lynn Ferguson-McHugh

2

Reason for the notification

a)

Position/status

Non-executive Director

b)

Initial notification /Amendment

Initial Notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Smurfit Westrock plc

b)

LEI

635400EGSEOPDW2EXS14

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Ordinary Shares of $0.001 each

Identification code

IE00028FXN24

b)

Nature of the transaction

Grant of the 2024 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan

c)

Price(s) and volume(s)

Price(s)

Volume(s)

Nil

2,094

d)

Aggregated information

N/A

- Aggregated volume

- Price

e)

Date of the transaction

2 August 2024

f)

Place of the transaction

N/A (Outside a trading venue)

g)

Additional Information

N/A

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Kaisa Hietala

2

Reason for the notification

a)

Position/status

Non-executive Director

b)

Initial notification /Amendment

Initial Notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Smurfit Westrock plc

b)

LEI

635400EGSEOPDW2EXS14

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Ordinary Shares of $0.001 each

Identification code

IE00028FXN24

b)

Nature of the transaction

Grant of the 2024 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan

c)

Price(s) and volume(s)

Price(s)

Volume(s)

Nil

2,094

d)

Aggregated information

N/A

- Aggregated volume

- Price

e)

Date of the transaction

2 August 2024

f)

Place of the transaction

N/A (Outside a trading venue)

g)

Additional Information

N/A

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Lourdes Melgar

2

Reason for the notification

a)

Position/status

Non-executive Director

b)

Initial notification /Amendment

Initial Notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Smurfit Westrock plc

b)

LEI

635400EGSEOPDW2EXS14

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Ordinary Shares of $0.001 each

Identification code

IE00028FXN24

b)

Nature of the transaction

Grant of the 2024 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan

c)

Price(s) and volume(s)

Price(s)

Volume(s)

Nil

2,094

d)

Aggregated information

N/A

- Aggregated volume

- Price

e)

Date of the transaction

2 August 2024

f)

Place of the transaction

N/A (Outside a trading venue)

g)

Additional Information

N/A

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Jørgen Buhl Rasmussen

2

Reason for the notification

a)

Position/status

Non-executive Director

b)

Initial notification /Amendment

Initial Notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Smurfit Westrock plc

b)

LEI

635400EGSEOPDW2EXS14

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Ordinary Shares of $0.001 each

Identification code

IE00028FXN24

b)

Nature of the transaction

Grant of the 2024 RSU Conditional Award under the Smurfit Westrock 2024 Long-Term Incentive Plan

c)

Price(s) and volume(s)

Price(s)

Volume(s)

Nil

2,094

d)

Aggregated information

N/A

- Aggregated volume

- Price

e)

Date of the transaction

2 August 2024

f)

Place of the transaction

N/A (Outside a trading venue)

g)

Additional Information

N/A