X0306 4 2021-06-01 0001692115 Southwest Gas Holdings, Inc. SWX 0001781598 Esparza Jose Luis Jr 8360 S. DURANGO DR. LAS VEGAS NV 89113 1 SVP/IS/Customer Engagement Common Stock 2021-06-01 5 A 0 19.9760 67.1700 A 3751.2490 D Common Stock 2021-09-01 5 A 0 18.8770 71.7100 A 3770.1260 D Common Stock 2021-12-01 5 A 0 21.0030 64.9900 A 3791.1290 D Common Stock 2021-06-01 5 A 0 97.6780 67.1700 A 3276.1683 I By 401(k) Common Stock 2021-09-01 5 A 0 88.0681 71.7100 A 3364.2364 I By 401(k) Common Stock 2021-12-01 5 A 0 97.7200 64.9900 A 3461.9564 I By 401(k) Amounts voluntarily reported were acquired through exempt dividend reinvestment transactions. Thomas E. Moran, POA 2021-12-17