| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/29/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 19.1k | $0.00 | $0 | | 03/29/2023 |
| 03/03/2023 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 1.7k | $61.88 | $105.9k | | 03/03/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 22.894 | $59.74 | $1.4k | By 401(k) | 03/03/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 92.711 | $59.74 | $5.5k | | 03/03/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 415.126 | $59.74 | $24.8k | | 03/03/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 198.213 | $59.74 | $11.8k | | 03/29/2023 |
| 02/23/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 4.4k | $0.00 | $0 | | 02/23/2023 |
| 01/12/2023 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 2.2k | $64.37 | $139.7k | | 01/12/2023 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 319.008 | $67.28 | $21.5k | | 12/01/2022 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 63.514 | $67.28 | $4.3k | | 12/01/2022 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 20.2009 | $67.28 | $1.4k | By 401(k) | 12/01/2022 |
| 10/06/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 9.1k | $0.00 | $0 | | 10/06/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 268.186 | $79.40 | $21.3k | | 10/06/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 53.396 | $79.41 | $4.2k | | 10/06/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 17.3091 | $79.41 | $1.4k | By 401(k) | 10/06/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 14.568 | $93.10 | $1.4k | By 401(k) | 10/06/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 227.237 | $93.10 | $21.2k | | 10/06/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 45.243 | $93.10 | $4.2k | | 10/06/2022 |
| 03/04/2022 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 1.9k | $70.05 | $129.9k | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 18.116 | $69.59 | $1.3k | By 401(k) | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 256.406 | $69.59 | $17.8k | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 57.594 | $69.59 | $4k | | 03/04/2022 |
| 02/23/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 5.7k | $70.05 | $401.5k | | 02/23/2022 |
| 02/23/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 3.7k | $70.05 | $257.3k | | 02/23/2022 |
| 01/11/2022 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 916.88 | $69.00 | $63.3k | | 01/11/2022 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 252.655 | $64.99 | $16.4k | | 06/01/2021 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 55.513 | $64.99 | $3.6k | | 06/01/2021 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 19.0769 | $64.99 | $1.2k | By 401(k) | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 17.8352 | $71.71 | $1.3k | By 401(k) | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 227.094 | $71.71 | $16.3k | | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 49.897 | $71.71 | $3.6k | | 06/01/2021 |
| 06/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 240.315 | $67.17 | $16.1k | | 06/01/2021 |
| 06/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 52.802 | $67.17 | $3.5k | | 06/01/2021 |
| 06/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 18.8119 | $67.17 | $1.3k | By 401(k) | 06/01/2021 |
| 03/04/2021 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 1.1k | $60.75 | $68.2k | | 03/04/2021 |
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