| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/29/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 20.6k | $0.00 | $0 | | 03/29/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 35.284 | $59.74 | $2.1k | | 03/29/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 59.3903 | $58.54 | $3.5k | | 03/29/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 213.965 | $59.74 | $12.8k | | 03/29/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 270.561 | $59.74 | $16.2k | | 05/04/2022 |
| 02/28/2023 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 492.88 | $61.88 | $30.5k | | 02/23/2023 |
| 02/23/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 1.8k | $0.00 | $0 | | 02/23/2023 |
| 02/23/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 1.8k | $0.00 | $0 | | 02/23/2023 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 31.044 | $67.28 | $2.1k | | 06/01/2022 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 51.1817 | $67.30 | $3.4k | | 06/01/2022 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 238.046 | $67.28 | $16k | | 05/04/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 200.121 | $79.41 | $15.9k | | 05/04/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 43.3279 | $78.88 | $3.4k | | 06/01/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 26.098 | $79.41 | $2.1k | | 06/01/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 37.0471 | $91.64 | $3.4k | | 06/01/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 22.113 | $93.10 | $2.1k | | 06/01/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 169.565 | $93.10 | $15.8k | | 05/04/2022 |
| 05/04/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 25.2k | $0.00 | $0 | | 05/04/2022 |
| 03/04/2022 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 1.3k | $70.05 | $93.3k | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 44.2719 | $72.99 | $3.2k | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 215.858 | $69.59 | $15k | | 05/04/2022 |
| 02/23/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 4.7k | $70.05 | $325.9k | | 02/23/2022 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 48.3457 | $66.25 | $3.2k | | 03/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 44.1356 | $71.97 | $3.2k | | 03/01/2021 |
| 06/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 47.5207 | $66.25 | $3.1k | | 03/01/2021 |
| 03/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 47.8852 | $62.41 | $3k | | 03/01/2021 |
| 12/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 45.2489 | $65.46 | $3k | | 12/01/2020 |
| 09/24/2020 | Southwest Gas Holdings, Inc. | SWX | Purchase | Common Stock | 100 | $60.00 | $6k | | 09/24/2020 |
| 09/24/2020 | Southwest Gas Holdings, Inc. | SWX | Purchase | Common Stock | 100 | $59.90 | $6k | | 09/24/2020 |
| 09/17/2020 | Southwest Gas Holdings, Inc. | SWX | Purchase | Common Stock | 130 | $61.90 | $8k | | 09/16/2020 |
| 09/17/2020 | Southwest Gas Holdings, Inc. | SWX | Purchase | Common Stock | 90 | $61.50 | $5.5k | | 09/16/2020 |
| 09/16/2020 | Southwest Gas Holdings, Inc. | SWX | Purchase | Common Stock | 70 | $62.00 | $4.3k | | 09/16/2020 |
| 09/02/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 38.3764 | $62.00 | $2.4k | | 09/16/2020 |
| 09/02/2020 | Southwest Gas Holdings, Inc. | SWX | Purchase | Common Stock | 95 | $61.45 | $5.8k | | 09/01/2020 |
| 09/01/2020 | Southwest Gas Holdings, Inc. | SWX | Purchase | Common Stock | 395 | $62.50 | $24.7k | | 09/01/2020 |
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