| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 02/23/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 397.741 | $0.00 | $0 | | 02/23/2023 |
| 01/12/2023 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 284.694 | $64.37 | $18.3k | | 01/12/2023 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 164.152 | $67.28 | $11k | | 06/01/2022 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 17.672 | $67.28 | $1.2k | | 06/01/2022 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 49.338 | $67.28 | $3.3k | By 401(k) | 06/01/2022 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.324 | $67.28 | $21.8 | By Custodian For Child | 06/01/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 42.281 | $79.41 | $3.4k | By 401(k) | 06/01/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.272 | $79.41 | $21.6 | By Custodian For Child | 06/01/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 138 | $79.41 | $11k | | 06/01/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 14.857 | $79.41 | $1.2k | | 06/01/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 116.929 | $93.10 | $10.9k | | 06/01/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 12.588 | $93.10 | $1.2k | | 06/01/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 35.594 | $93.10 | $3.3k | By 401(k) | 06/01/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.231 | $93.10 | $21.5 | By Custodian For Child | 06/01/2022 |
| 03/04/2022 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 202.41 | $70.05 | $14.2k | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 16.026 | $69.59 | $1.1k | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 145.263 | $69.59 | $10.1k | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.294 | $69.59 | $20.5 | By Custodian For Child | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 44.238 | $69.59 | $3.1k | By 401(k) | 03/04/2022 |
| 02/23/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 1k | $70.05 | $71.4k | | 02/23/2022 |
| 02/23/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 625.689 | $70.05 | $43.8k | | 02/23/2022 |
| 01/11/2022 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 237.659 | $69.00 | $16.4k | | 01/11/2022 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.312 | $64.99 | $20.3 | By Custodian For Child | 06/01/2021 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 149.103 | $64.99 | $9.7k | | 06/01/2021 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 14.948 | $64.99 | $971.5 | | 06/01/2021 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 46.582 | $64.99 | $3k | By 401(k) | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 43.5509 | $71.71 | $3.1k | By 401(k) | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.28 | $71.71 | $20.1 | By Custodian For Child | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 134.018 | $71.71 | $9.6k | | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 13.435 | $71.71 | $963.4 | | 06/01/2021 |
| 06/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 141.82 | $67.17 | $9.5k | | 06/01/2021 |
| 06/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 14.217 | $67.17 | $955 | | 06/01/2021 |
| 06/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 45.936 | $67.17 | $3.1k | By 401(k) | 06/01/2021 |
| 06/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.296 | $67.17 | $19.9 | By Custodian For Child | 06/01/2021 |
| 03/04/2021 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 165.673 | $60.75 | $10.1k | | 03/04/2021 |
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