| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/29/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 1.5k | $0.00 | $0 | | 03/29/2023 |
| 03/03/2023 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 138.986 | $61.88 | $8.6k | | 03/03/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.169 | $59.74 | $10.1 | By 401(k) | 03/03/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 9.11 | $59.74 | $544.2 | | 03/03/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 21.903 | $59.74 | $1.3k | | 03/03/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 15.094 | $59.74 | $901.7 | | 03/29/2023 |
| 02/23/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 325.876 | $0.00 | $0 | | 02/23/2023 |
| 01/12/2023 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 289.974 | $64.37 | $18.7k | | 01/12/2023 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 14.354 | $67.28 | $965.7 | | 06/01/2022 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 15.58 | $67.28 | $1k | | 06/01/2022 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.149 | $67.28 | $10 | By 401(k) | 06/01/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.129 | $79.41 | $10.2 | By 401(k) | 06/01/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 12.067 | $79.41 | $958.2 | | 06/01/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 13.098 | $79.41 | $1k | | 06/01/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 23.971 | $93.10 | $2.2k | | 06/01/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 11.098 | $93.10 | $1k | | 06/01/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 15.436 | $93.10 | $1.4k | By 401(k) | 06/01/2022 |
| 05/31/2022 | Southwest Gas Holdings, Inc. | SWX | Sale | Common Stock | 135.941 | $92.78 | $12.6k | | 05/31/2022 |
| 05/31/2022 | Southwest Gas Holdings, Inc. | SWX | Sale | Common Stock | 539.059 | $92.73 | $50k | | 05/31/2022 |
| 05/27/2022 | Southwest Gas Holdings, Inc. | SWX | Sale | Common Stock | 1.4k | $93.38 | $131k | | 05/27/2022 |
| 05/27/2022 | Southwest Gas Holdings, Inc. | SWX | Sale | Common Stock | 2.4k | $93.64 | $228.8k | By 401(k) | 05/27/2022 |
| 03/04/2022 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 185.773 | $70.05 | $13k | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 20.199 | $69.59 | $1.4k | By 401(k) | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 14.127 | $69.59 | $983.1 | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 27.874 | $69.59 | $1.9k | | 03/04/2022 |
| 02/23/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 924.34 | $70.05 | $64.8k | | 02/23/2022 |
| 02/23/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 497.383 | $70.05 | $34.8k | | 02/23/2022 |
| 01/11/2022 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 282.809 | $69.00 | $19.5k | | 01/11/2022 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 21.2701 | $64.99 | $1.4k | By 401(k) | 06/01/2021 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 26.126 | $64.99 | $1.7k | | 06/01/2021 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 12.62 | $64.99 | $820.2 | | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 23.483 | $71.71 | $1.7k | | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 11.344 | $71.71 | $813.5 | | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 19.887 | $71.71 | $1.4k | By 401(k) | 06/01/2021 |
| 06/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 20.978 | $67.17 | $1.4k | By 401(k) | 06/01/2021 |
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