Exhibit 99.1

Schedule of Transactions in Shares

The following table sets forth all transactions effected in the last sixty days by the Reporting Persons (on behalf of the Corvex Funds) in respect of the Shares, inclusive of any transactions effected through 4:00 p.m., New York City time, on May 28, 2025. All such transactions were purchases of securities effected in the open market, and the table excludes commissions paid in per share prices.

NATURE OF TRANSACTION	DATE OF TRANSACTION	AMOUNT OF SECURITIES		PRICE PER SHARE $¹
Purchase of Common Stock	05/22/2025		85,000		68.92
Purchase of Common Stock	05/23/2025		23,654		70.23
Purchase of Common Stock	05/27/2025		65,100		71.28
Purchase of Common Stock	05/28/2025		86,123		71.49

(1) The prices in each of the following rows are weighted average prices. These Shares were purchased in multiple transactions. The Reporting Persons undertake to provide the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares purchased at each separate price.

Southwest Gas Holdings, Inc. SCHEDULE 13D/A