SWX

SEC source: 0001539497-23-001654 · ownership.xml · nonDerivative · entry 2

ICAHN CARL C · CIK 0000921669 · 10% owner

ICAHN PARTNERS LP · CIK 0001313666 · 10% owner

ICAHN PARTNERS MASTER FUND LP · CIK 0001322827 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Please see footnotes

Disclosed balance after: 11,022,604

F1 · ownership.nature: This Form 4 is being filed by and on behalf of Mr. Carl C. Icahn, Icahn Partners LP ("Icahn Partners"), and Icahn Partners Master Fund LP ("Icahn Master," and, collectively with Mr. Icahn and Icahn Partners, the "Reporting Persons") with respect to the Common Stock, $1.00 par value (the "Shares"), of Southwest Gas Holdings, Inc.

F2 · ownership.nature: Beckton Corp. ("Beckton") is the sole stockholder of Icahn Enterprises G.P. Inc. ("Icahn Enterprises GP"), which is the general partner of Icahn Enterprises Holdings L.P. ("Icahn Enterprises Holdings"). Icahn Enterprises Holdings is the sole member of IPH GP LLC ("IPH"), which is the general partner of Icahn Capital LP ("Icahn Capital"). Icahn Capital is the general partner of each of Icahn Onshore LP ("Icahn Onshore") and Icahn Offshore LP ("Icahn Offshore"). Icahn Onshore is the general partner of Icahn Partners. Icahn Offshore is the general partner of Icahn Master.

F3 · ownership.nature: Beckton is wholly owned by Mr. Icahn. As such, Mr. Icahn is in a position indirectly to determine the investment and voting decisions made by each of Icahn Partners and Icahn Master.

F4 · ownership.nature: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F5 · ownership.nature: The purchase transactions reported herein were effected in multiple transactions each day at prices ranging from $61.97 to $62.00 on September 26, 2023, and $61.98 to $62.00 on September 27, 2023. The prices reported above reflect the weighted average purchase prices on each such day for the transactions reported herein. The Reporting Persons hereby undertake to provide upon request to the Staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer full information regarding the number of shares and the prices at which these reported transactions were effected each day.

F6 · ownership.nature: Reflects Shares purchased in open market transactions. After giving effect to the transactions above, Icahn Partners directly beneficially owns 6,423,583 Shares and Icahn Master directly beneficially owns 4,599,021 Shares.

SEC source: 0001539497-23-001654 · ownership.xml · nonDerivative · entry 1

ICAHN CARL C · CIK 0000921669 · 10% owner

ICAHN PARTNERS LP · CIK 0001313666 · 10% owner

ICAHN PARTNERS MASTER FUND LP · CIK 0001322827 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Please see footnotes

Disclosed balance after: 11,021,204

F1 · ownership.nature: This Form 4 is being filed by and on behalf of Mr. Carl C. Icahn, Icahn Partners LP ("Icahn Partners"), and Icahn Partners Master Fund LP ("Icahn Master," and, collectively with Mr. Icahn and Icahn Partners, the "Reporting Persons") with respect to the Common Stock, $1.00 par value (the "Shares"), of Southwest Gas Holdings, Inc.

F2 · ownership.nature: Beckton Corp. ("Beckton") is the sole stockholder of Icahn Enterprises G.P. Inc. ("Icahn Enterprises GP"), which is the general partner of Icahn Enterprises Holdings L.P. ("Icahn Enterprises Holdings"). Icahn Enterprises Holdings is the sole member of IPH GP LLC ("IPH"), which is the general partner of Icahn Capital LP ("Icahn Capital"). Icahn Capital is the general partner of each of Icahn Onshore LP ("Icahn Onshore") and Icahn Offshore LP ("Icahn Offshore"). Icahn Onshore is the general partner of Icahn Partners. Icahn Offshore is the general partner of Icahn Master.

F3 · ownership.nature: Beckton is wholly owned by Mr. Icahn. As such, Mr. Icahn is in a position indirectly to determine the investment and voting decisions made by each of Icahn Partners and Icahn Master.

F4 · ownership.nature: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F5 · ownership.nature: The purchase transactions reported herein were effected in multiple transactions each day at prices ranging from $61.97 to $62.00 on September 26, 2023, and $61.98 to $62.00 on September 27, 2023. The prices reported above reflect the weighted average purchase prices on each such day for the transactions reported herein. The Reporting Persons hereby undertake to provide upon request to the Staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer full information regarding the number of shares and the prices at which these reported transactions were effected each day.

F6 · ownership.nature: Reflects Shares purchased in open market transactions. After giving effect to the transactions above, Icahn Partners directly beneficially owns 6,423,583 Shares and Icahn Master directly beneficially owns 4,599,021 Shares.

SEC source: 0001539497-23-001646 · ownership.xml · nonDerivative · entry 3

ICAHN CARL C · CIK 0000921669 · 10% owner

ICAHN PARTNERS LP · CIK 0001313666 · 10% owner

ICAHN PARTNERS MASTER FUND LP · CIK 0001322827 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Please see footnotes

Disclosed balance after: 11,016,668

F1 · ownership.nature: This Form 4 is being filed by and on behalf of Mr. Carl C. Icahn, Icahn Partners LP ("Icahn Partners"), and Icahn Partners Master Fund LP ("Icahn Master," and, collectively with Mr. Icahn and Icahn Partners, the "Reporting Persons") with respect to the Common Stock, $1.00 par value (the "Shares"), of Southwest Gas Holdings, Inc.

F2 · ownership.nature: Beckton Corp. ("Beckton") is the sole stockholder of Icahn Enterprises G.P. Inc. ("Icahn Enterprises GP"), which is the general partner of Icahn Enterprises Holdings L.P. ("Icahn Enterprises Holdings"). Icahn Enterprises Holdings is the sole member of IPH GP LLC ("IPH"), which is the general partner of Icahn Capital LP ("Icahn Capital"). Icahn Capital is the general partner of each of Icahn Onshore LP ("Icahn Onshore") and Icahn Offshore LP ("Icahn Offshore"). Icahn Onshore is the general partner of Icahn Partners. Icahn Offshore is the general partner of Icahn Master.

F3 · ownership.nature: Beckton is wholly owned by Mr. Icahn. As such, Mr. Icahn is in a position indirectly to determine the investment and voting decisions made by each of Icahn Partners and Icahn Master.

F4 · ownership.nature: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F6 · ownership.nature: Reflects Shares purchased in open market transactions. After giving effect to the transactions above, Icahn Partners directly beneficially owns 6,420,124 Shares and Icahn Master directly beneficially owns 4,596,544 Shares.

SEC source: 0001539497-23-001646 · ownership.xml · nonDerivative · entry 2

ICAHN CARL C · CIK 0000921669 · 10% owner

ICAHN PARTNERS LP · CIK 0001313666 · 10% owner

ICAHN PARTNERS MASTER FUND LP · CIK 0001322827 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Please see footnotes

Disclosed balance after: 11,016,068

F1 · ownership.nature: This Form 4 is being filed by and on behalf of Mr. Carl C. Icahn, Icahn Partners LP ("Icahn Partners"), and Icahn Partners Master Fund LP ("Icahn Master," and, collectively with Mr. Icahn and Icahn Partners, the "Reporting Persons") with respect to the Common Stock, $1.00 par value (the "Shares"), of Southwest Gas Holdings, Inc.

F2 · ownership.nature: Beckton Corp. ("Beckton") is the sole stockholder of Icahn Enterprises G.P. Inc. ("Icahn Enterprises GP"), which is the general partner of Icahn Enterprises Holdings L.P. ("Icahn Enterprises Holdings"). Icahn Enterprises Holdings is the sole member of IPH GP LLC ("IPH"), which is the general partner of Icahn Capital LP ("Icahn Capital"). Icahn Capital is the general partner of each of Icahn Onshore LP ("Icahn Onshore") and Icahn Offshore LP ("Icahn Offshore"). Icahn Onshore is the general partner of Icahn Partners. Icahn Offshore is the general partner of Icahn Master.

F3 · ownership.nature: Beckton is wholly owned by Mr. Icahn. As such, Mr. Icahn is in a position indirectly to determine the investment and voting decisions made by each of Icahn Partners and Icahn Master.

F4 · ownership.nature: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F5 · ownership.nature: The purchase transactions reported herein were effected in multiple transactions each day at prices ranging from $61.96 to $62.00 on September 21, 2023, and $61.64 to $62.00 on September 22, 2023. The prices reported above reflect the weighted average purchase prices on each such day for the transactions reported herein. The Reporting Persons hereby undertake to provide upon request to the Staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer full information regarding the number of shares and the prices at which these reported transactions were effected each day.

F6 · ownership.nature: Reflects Shares purchased in open market transactions. After giving effect to the transactions above, Icahn Partners directly beneficially owns 6,420,124 Shares and Icahn Master directly beneficially owns 4,596,544 Shares.

SEC source: 0001539497-23-001646 · ownership.xml · nonDerivative · entry 1

ICAHN CARL C · CIK 0000921669 · 10% owner

ICAHN PARTNERS LP · CIK 0001313666 · 10% owner

ICAHN PARTNERS MASTER FUND LP · CIK 0001322827 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Please see footnotes

Disclosed balance after: 10,999,878

F1 · ownership.nature: This Form 4 is being filed by and on behalf of Mr. Carl C. Icahn, Icahn Partners LP ("Icahn Partners"), and Icahn Partners Master Fund LP ("Icahn Master," and, collectively with Mr. Icahn and Icahn Partners, the "Reporting Persons") with respect to the Common Stock, $1.00 par value (the "Shares"), of Southwest Gas Holdings, Inc.

F2 · ownership.nature: Beckton Corp. ("Beckton") is the sole stockholder of Icahn Enterprises G.P. Inc. ("Icahn Enterprises GP"), which is the general partner of Icahn Enterprises Holdings L.P. ("Icahn Enterprises Holdings"). Icahn Enterprises Holdings is the sole member of IPH GP LLC ("IPH"), which is the general partner of Icahn Capital LP ("Icahn Capital"). Icahn Capital is the general partner of each of Icahn Onshore LP ("Icahn Onshore") and Icahn Offshore LP ("Icahn Offshore"). Icahn Onshore is the general partner of Icahn Partners. Icahn Offshore is the general partner of Icahn Master.

F3 · ownership.nature: Beckton is wholly owned by Mr. Icahn. As such, Mr. Icahn is in a position indirectly to determine the investment and voting decisions made by each of Icahn Partners and Icahn Master.

F4 · ownership.nature: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F5 · ownership.nature: The purchase transactions reported herein were effected in multiple transactions each day at prices ranging from $61.96 to $62.00 on September 21, 2023, and $61.64 to $62.00 on September 22, 2023. The prices reported above reflect the weighted average purchase prices on each such day for the transactions reported herein. The Reporting Persons hereby undertake to provide upon request to the Staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer full information regarding the number of shares and the prices at which these reported transactions were effected each day.

F6 · ownership.nature: Reflects Shares purchased in open market transactions. After giving effect to the transactions above, Icahn Partners directly beneficially owns 6,420,124 Shares and Icahn Master directly beneficially owns 4,596,544 Shares.

SEC source: 0001539497-23-001587 · ownership.xml · nonDerivative · entry 3

ICAHN CARL C · CIK 0000921669 · 10% owner

ICAHN PARTNERS LP · CIK 0001313666 · 10% owner

ICAHN PARTNERS MASTER FUND LP · CIK 0001322827 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Please see footnotes

Disclosed balance after: 10,972,412

F1 · ownership.nature: This Form 4 is being filed by and on behalf of Mr. Carl C. Icahn, Icahn Partners LP ("Icahn Partners"), and Icahn Partners Master Fund LP ("Icahn Master," and, collectively with Mr. Icahn and Icahn Partners, the "Reporting Persons") with respect to the Common Stock, $1.00 par value (the "Shares"), of Southwest Gas Holdings, Inc.

F2 · ownership.nature: Beckton Corp. ("Beckton") is the sole stockholder of Icahn Enterprises G.P. Inc. ("Icahn Enterprises GP"), which is the general partner of Icahn Enterprises Holdings L.P. ("Icahn Enterprises Holdings"). Icahn Enterprises Holdings is the sole member of IPH GP LLC ("IPH"), which is the general partner of Icahn Capital LP ("Icahn Capital"). Icahn Capital is the general partner of each of Icahn Onshore LP ("Icahn Onshore") and Icahn Offshore LP ("Icahn Offshore"). Icahn Onshore is the general partner of Icahn Partners. Icahn Offshore is the general partner of Icahn Master.

F3 · ownership.nature: Beckton is wholly owned by Mr. Icahn. As such, Mr. Icahn is in a position indirectly to determine the investment and voting decisions made by each of Icahn Partners and Icahn Master.

F4 · ownership.nature: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F5 · ownership.nature: The purchase transactions reported herein were effected in multiple transactions each day at prices ranging from $60.22 to $60.95 on September 8, 2023, $61.15 to $61.75 on September 11, 2023, and $61.11 to $62.00 on September 12, 2023. The prices reported above reflect the weighted average purchase prices on each such day for the transactions reported herein. The Reporting Persons hereby undertake to provide upon request to the Staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer full information regarding the number of shares and the prices at which these reported transactions were effected each day.

F6 · ownership.nature: Reflects Shares purchased in open market transactions. After giving effect to the transactions above, Icahn Partners directly beneficially owns 6,394,333 Shares and Icahn Master directly beneficially owns 4,578,079 Shares.

SEC source: 0001539497-23-001587 · ownership.xml · nonDerivative · entry 2

ICAHN CARL C · CIK 0000921669 · 10% owner

ICAHN PARTNERS LP · CIK 0001313666 · 10% owner

ICAHN PARTNERS MASTER FUND LP · CIK 0001322827 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Please see footnotes

Disclosed balance after: 10,928,190

F1 · ownership.nature: This Form 4 is being filed by and on behalf of Mr. Carl C. Icahn, Icahn Partners LP ("Icahn Partners"), and Icahn Partners Master Fund LP ("Icahn Master," and, collectively with Mr. Icahn and Icahn Partners, the "Reporting Persons") with respect to the Common Stock, $1.00 par value (the "Shares"), of Southwest Gas Holdings, Inc.

F2 · ownership.nature: Beckton Corp. ("Beckton") is the sole stockholder of Icahn Enterprises G.P. Inc. ("Icahn Enterprises GP"), which is the general partner of Icahn Enterprises Holdings L.P. ("Icahn Enterprises Holdings"). Icahn Enterprises Holdings is the sole member of IPH GP LLC ("IPH"), which is the general partner of Icahn Capital LP ("Icahn Capital"). Icahn Capital is the general partner of each of Icahn Onshore LP ("Icahn Onshore") and Icahn Offshore LP ("Icahn Offshore"). Icahn Onshore is the general partner of Icahn Partners. Icahn Offshore is the general partner of Icahn Master.

F3 · ownership.nature: Beckton is wholly owned by Mr. Icahn. As such, Mr. Icahn is in a position indirectly to determine the investment and voting decisions made by each of Icahn Partners and Icahn Master.

F4 · ownership.nature: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F5 · ownership.nature: The purchase transactions reported herein were effected in multiple transactions each day at prices ranging from $60.22 to $60.95 on September 8, 2023, $61.15 to $61.75 on September 11, 2023, and $61.11 to $62.00 on September 12, 2023. The prices reported above reflect the weighted average purchase prices on each such day for the transactions reported herein. The Reporting Persons hereby undertake to provide upon request to the Staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer full information regarding the number of shares and the prices at which these reported transactions were effected each day.

F6 · ownership.nature: Reflects Shares purchased in open market transactions. After giving effect to the transactions above, Icahn Partners directly beneficially owns 6,394,333 Shares and Icahn Master directly beneficially owns 4,578,079 Shares.

SEC source: 0001539497-23-001587 · ownership.xml · nonDerivative · entry 1

ICAHN CARL C · CIK 0000921669 · 10% owner

ICAHN PARTNERS LP · CIK 0001313666 · 10% owner

ICAHN PARTNERS MASTER FUND LP · CIK 0001322827 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Please see footnotes

Disclosed balance after: 10,866,488

F1 · ownership.nature: This Form 4 is being filed by and on behalf of Mr. Carl C. Icahn, Icahn Partners LP ("Icahn Partners"), and Icahn Partners Master Fund LP ("Icahn Master," and, collectively with Mr. Icahn and Icahn Partners, the "Reporting Persons") with respect to the Common Stock, $1.00 par value (the "Shares"), of Southwest Gas Holdings, Inc.

F2 · ownership.nature: Beckton Corp. ("Beckton") is the sole stockholder of Icahn Enterprises G.P. Inc. ("Icahn Enterprises GP"), which is the general partner of Icahn Enterprises Holdings L.P. ("Icahn Enterprises Holdings"). Icahn Enterprises Holdings is the sole member of IPH GP LLC ("IPH"), which is the general partner of Icahn Capital LP ("Icahn Capital"). Icahn Capital is the general partner of each of Icahn Onshore LP ("Icahn Onshore") and Icahn Offshore LP ("Icahn Offshore"). Icahn Onshore is the general partner of Icahn Partners. Icahn Offshore is the general partner of Icahn Master.

F3 · ownership.nature: Beckton is wholly owned by Mr. Icahn. As such, Mr. Icahn is in a position indirectly to determine the investment and voting decisions made by each of Icahn Partners and Icahn Master.

F4 · ownership.nature: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F5 · ownership.nature: The purchase transactions reported herein were effected in multiple transactions each day at prices ranging from $60.22 to $60.95 on September 8, 2023, $61.15 to $61.75 on September 11, 2023, and $61.11 to $62.00 on September 12, 2023. The prices reported above reflect the weighted average purchase prices on each such day for the transactions reported herein. The Reporting Persons hereby undertake to provide upon request to the Staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer full information regarding the number of shares and the prices at which these reported transactions were effected each day.

F6 · ownership.nature: Reflects Shares purchased in open market transactions. After giving effect to the transactions above, Icahn Partners directly beneficially owns 6,394,333 Shares and Icahn Master directly beneficially owns 4,578,079 Shares.

SEC source: 0001539497-23-001533 · ownership.xml · derivative · entry 1

ICAHN CARL C · CIK 0000921669 · 10% owner

ICAHN PARTNERS LP · CIK 0001313666 · 10% owner

ICAHN PARTNERS MASTER FUND LP · CIK 0001322827 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Please see footnotes

Disclosed balance after: 0

Underlying: Common Stock, $1 Par Value · 2,087,427 shares

Expires 2023-09-07

F4 · derivative.exercise_price: During the period commencing on September 7, 2021 through October 5, 2021, each of Icahn Partners and Icahn Master entered into multiple Total Return Cash Settled Equity Swaps (collectively, the "Total Return Swap") with an unaffiliated third-party counterparty (the "Dealer") with respect to 1,219,775 and 867,652, respectively, notional Shares.

F5 · derivative.exercise_price: Pursuant to the terms of the Total Return Swap, the Dealer will commence a valuation process beginning on September 7, 2023 and ending on October 25, 2023 (the "Valuation Process") to, among other things, determine the final cash payment (the "Final Cash Payment") that will be required to be paid and/or received by the parties to the Total Return Swap. On each business day during the Valuation Process, the Dealer will determine the volume weighted average price of a number of Shares subject to the Total Return Swap determined on a straight-line basis based upon the number of business days between September 7, 2023 and October 25, 2023. The amount of the Final Cash Payment will be based upon such volume weighted average prices and the Final Cash Payment will be paid and/or received after the conclusion of the Valuation Process.

F6 · derivative.exercise_price: The expiration of the Total Return Swap is exempt from Section 16(b) of the Securities Exchange Act pursuant to Rule 16b-6(d) thereunder.

F4 · kind: During the period commencing on September 7, 2021 through October 5, 2021, each of Icahn Partners and Icahn Master entered into multiple Total Return Cash Settled Equity Swaps (collectively, the "Total Return Swap") with an unaffiliated third-party counterparty (the "Dealer") with respect to 1,219,775 and 867,652, respectively, notional Shares.

F5 · kind: Pursuant to the terms of the Total Return Swap, the Dealer will commence a valuation process beginning on September 7, 2023 and ending on October 25, 2023 (the "Valuation Process") to, among other things, determine the final cash payment (the "Final Cash Payment") that will be required to be paid and/or received by the parties to the Total Return Swap. On each business day during the Valuation Process, the Dealer will determine the volume weighted average price of a number of Shares subject to the Total Return Swap determined on a straight-line basis based upon the number of business days between September 7, 2023 and October 25, 2023. The amount of the Final Cash Payment will be based upon such volume weighted average prices and the Final Cash Payment will be paid and/or received after the conclusion of the Valuation Process.

F6 · kind: The expiration of the Total Return Swap is exempt from Section 16(b) of the Securities Exchange Act pursuant to Rule 16b-6(d) thereunder.

F7 · kind: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F4 · shares: During the period commencing on September 7, 2021 through October 5, 2021, each of Icahn Partners and Icahn Master entered into multiple Total Return Cash Settled Equity Swaps (collectively, the "Total Return Swap") with an unaffiliated third-party counterparty (the "Dealer") with respect to 1,219,775 and 867,652, respectively, notional Shares.

F5 · shares: Pursuant to the terms of the Total Return Swap, the Dealer will commence a valuation process beginning on September 7, 2023 and ending on October 25, 2023 (the "Valuation Process") to, among other things, determine the final cash payment (the "Final Cash Payment") that will be required to be paid and/or received by the parties to the Total Return Swap. On each business day during the Valuation Process, the Dealer will determine the volume weighted average price of a number of Shares subject to the Total Return Swap determined on a straight-line basis based upon the number of business days between September 7, 2023 and October 25, 2023. The amount of the Final Cash Payment will be based upon such volume weighted average prices and the Final Cash Payment will be paid and/or received after the conclusion of the Valuation Process.

F5 · price: Pursuant to the terms of the Total Return Swap, the Dealer will commence a valuation process beginning on September 7, 2023 and ending on October 25, 2023 (the "Valuation Process") to, among other things, determine the final cash payment (the "Final Cash Payment") that will be required to be paid and/or received by the parties to the Total Return Swap. On each business day during the Valuation Process, the Dealer will determine the volume weighted average price of a number of Shares subject to the Total Return Swap determined on a straight-line basis based upon the number of business days between September 7, 2023 and October 25, 2023. The amount of the Final Cash Payment will be based upon such volume weighted average prices and the Final Cash Payment will be paid and/or received after the conclusion of the Valuation Process.

F4 · derivative.exercise_date: During the period commencing on September 7, 2021 through October 5, 2021, each of Icahn Partners and Icahn Master entered into multiple Total Return Cash Settled Equity Swaps (collectively, the "Total Return Swap") with an unaffiliated third-party counterparty (the "Dealer") with respect to 1,219,775 and 867,652, respectively, notional Shares.

F5 · derivative.exercise_date: Pursuant to the terms of the Total Return Swap, the Dealer will commence a valuation process beginning on September 7, 2023 and ending on October 25, 2023 (the "Valuation Process") to, among other things, determine the final cash payment (the "Final Cash Payment") that will be required to be paid and/or received by the parties to the Total Return Swap. On each business day during the Valuation Process, the Dealer will determine the volume weighted average price of a number of Shares subject to the Total Return Swap determined on a straight-line basis based upon the number of business days between September 7, 2023 and October 25, 2023. The amount of the Final Cash Payment will be based upon such volume weighted average prices and the Final Cash Payment will be paid and/or received after the conclusion of the Valuation Process.

F4 · derivative.expiration_date: During the period commencing on September 7, 2021 through October 5, 2021, each of Icahn Partners and Icahn Master entered into multiple Total Return Cash Settled Equity Swaps (collectively, the "Total Return Swap") with an unaffiliated third-party counterparty (the "Dealer") with respect to 1,219,775 and 867,652, respectively, notional Shares.

F5 · derivative.expiration_date: Pursuant to the terms of the Total Return Swap, the Dealer will commence a valuation process beginning on September 7, 2023 and ending on October 25, 2023 (the "Valuation Process") to, among other things, determine the final cash payment (the "Final Cash Payment") that will be required to be paid and/or received by the parties to the Total Return Swap. On each business day during the Valuation Process, the Dealer will determine the volume weighted average price of a number of Shares subject to the Total Return Swap determined on a straight-line basis based upon the number of business days between September 7, 2023 and October 25, 2023. The amount of the Final Cash Payment will be based upon such volume weighted average prices and the Final Cash Payment will be paid and/or received after the conclusion of the Valuation Process.

F6 · derivative.expiration_date: The expiration of the Total Return Swap is exempt from Section 16(b) of the Securities Exchange Act pursuant to Rule 16b-6(d) thereunder.

F7 · derivative.expiration_date: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F4 · derivative.underlying_shares: During the period commencing on September 7, 2021 through October 5, 2021, each of Icahn Partners and Icahn Master entered into multiple Total Return Cash Settled Equity Swaps (collectively, the "Total Return Swap") with an unaffiliated third-party counterparty (the "Dealer") with respect to 1,219,775 and 867,652, respectively, notional Shares.

F5 · derivative.underlying_shares: Pursuant to the terms of the Total Return Swap, the Dealer will commence a valuation process beginning on September 7, 2023 and ending on October 25, 2023 (the "Valuation Process") to, among other things, determine the final cash payment (the "Final Cash Payment") that will be required to be paid and/or received by the parties to the Total Return Swap. On each business day during the Valuation Process, the Dealer will determine the volume weighted average price of a number of Shares subject to the Total Return Swap determined on a straight-line basis based upon the number of business days between September 7, 2023 and October 25, 2023. The amount of the Final Cash Payment will be based upon such volume weighted average prices and the Final Cash Payment will be paid and/or received after the conclusion of the Valuation Process.

F5 · balance_after: Pursuant to the terms of the Total Return Swap, the Dealer will commence a valuation process beginning on September 7, 2023 and ending on October 25, 2023 (the "Valuation Process") to, among other things, determine the final cash payment (the "Final Cash Payment") that will be required to be paid and/or received by the parties to the Total Return Swap. On each business day during the Valuation Process, the Dealer will determine the volume weighted average price of a number of Shares subject to the Total Return Swap determined on a straight-line basis based upon the number of business days between September 7, 2023 and October 25, 2023. The amount of the Final Cash Payment will be based upon such volume weighted average prices and the Final Cash Payment will be paid and/or received after the conclusion of the Valuation Process.

F6 · balance_after: The expiration of the Total Return Swap is exempt from Section 16(b) of the Securities Exchange Act pursuant to Rule 16b-6(d) thereunder.

F7 · balance_after: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F1 · ownership.nature: This Form 4 is being filed by and on behalf of Mr. Carl C. Icahn, Icahn Partners LP ("Icahn Partners"), and Icahn Partners Master Fund LP ("Icahn Master," and, collectively with Mr. Icahn and Icahn Partners, the "Reporting Persons") with respect to the Common Stock, $1 Par Value (the "Shares"), of Southwest Gas Holdings, Inc. (the "Issuer").

F2 · ownership.nature: Beckton Corp. ("Beckton") is the sole stockholder of Icahn Enterprises G.P. Inc. ("Icahn Enterprises GP"), which is the general partner of Icahn Enterprises Holdings L.P. ("Icahn Enterprises Holdings"). Icahn Enterprises Holdings is the sole member of IPH GP LLC ("IPH"), which is the general partner of Icahn Capital LP ("Icahn Capital"), Icahn Capital is the general partner of each of Icahn Onshore LP ("Icahn Onshore") and Icahn Offshore LP ("Icahn Offshore"). Icahn Onshore is the general partner of Icahn Partners and Icahn Offshore is the general partner of Icahn Master.

F3 · ownership.nature: Beckton is wholly-owned by Mr. Icahn. As such, Mr. Icahn is in a position indirectly to determine the dispositive and voting decisions made by each of Icahn Partners and Icahn Master.

SEC source: 0001539497-23-001794 · ownership.xml · derivative · entry 1

ICAHN CARL C · CIK 0000921669 · 10% owner

ICAHN PARTNERS LP · CIK 0001313666 · 10% owner

ICAHN PARTNERS MASTER FUND LP · CIK 0001322827 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Please see Footnotes

Disclosed balance after: 0

Underlying: Common Stock, $1 Par Value · 2,087,427 shares

Expires 2023-09-07

F4 · derivative.exercise_price: During the period commencing on September 7, 2021 through October 5, 2021, each of Icahn Partners and Icahn Master entered into multiple Total Return Cash Settled Equity Swaps (collectively, the "Total Return Swap") with an unaffiliated third-party financial counterparty (the "Dealer") with respect to 1,219,775 and 867,652, respectively, notional Shares. The expiration of the Total Return Swap occurred on September 7, 2023 and, pursuant to the terms of the Total Return Swap, commencing on September 7, 2023 and ending on October 25, 2023, the Dealer unwound the Total Return Swap to, among other things, determine the final cash payment (the "Final Cash Payment") that is required to be paid (and by and to which party to the Total Return Swap). The amount of the Final Cash Payment is $15,724,625.35 and will be made on or before October 27, 2023 by Icahn Partners and Icahn Master to the Dealer.

F5 · derivative.exercise_price: The expiration of the Total Return Swap and the payment of the Final Cash Payment each is exempt from Section 16(b) of the Securities Exchange Act pursuant to Rule 16b-6(d).

F6 · derivative.exercise_price: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F4 · kind: During the period commencing on September 7, 2021 through October 5, 2021, each of Icahn Partners and Icahn Master entered into multiple Total Return Cash Settled Equity Swaps (collectively, the "Total Return Swap") with an unaffiliated third-party financial counterparty (the "Dealer") with respect to 1,219,775 and 867,652, respectively, notional Shares. The expiration of the Total Return Swap occurred on September 7, 2023 and, pursuant to the terms of the Total Return Swap, commencing on September 7, 2023 and ending on October 25, 2023, the Dealer unwound the Total Return Swap to, among other things, determine the final cash payment (the "Final Cash Payment") that is required to be paid (and by and to which party to the Total Return Swap). The amount of the Final Cash Payment is $15,724,625.35 and will be made on or before October 27, 2023 by Icahn Partners and Icahn Master to the Dealer.

F5 · kind: The expiration of the Total Return Swap and the payment of the Final Cash Payment each is exempt from Section 16(b) of the Securities Exchange Act pursuant to Rule 16b-6(d).

F6 · kind: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F4 · shares: During the period commencing on September 7, 2021 through October 5, 2021, each of Icahn Partners and Icahn Master entered into multiple Total Return Cash Settled Equity Swaps (collectively, the "Total Return Swap") with an unaffiliated third-party financial counterparty (the "Dealer") with respect to 1,219,775 and 867,652, respectively, notional Shares. The expiration of the Total Return Swap occurred on September 7, 2023 and, pursuant to the terms of the Total Return Swap, commencing on September 7, 2023 and ending on October 25, 2023, the Dealer unwound the Total Return Swap to, among other things, determine the final cash payment (the "Final Cash Payment") that is required to be paid (and by and to which party to the Total Return Swap). The amount of the Final Cash Payment is $15,724,625.35 and will be made on or before October 27, 2023 by Icahn Partners and Icahn Master to the Dealer.

F5 · shares: The expiration of the Total Return Swap and the payment of the Final Cash Payment each is exempt from Section 16(b) of the Securities Exchange Act pursuant to Rule 16b-6(d).

F6 · shares: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F4 · price: During the period commencing on September 7, 2021 through October 5, 2021, each of Icahn Partners and Icahn Master entered into multiple Total Return Cash Settled Equity Swaps (collectively, the "Total Return Swap") with an unaffiliated third-party financial counterparty (the "Dealer") with respect to 1,219,775 and 867,652, respectively, notional Shares. The expiration of the Total Return Swap occurred on September 7, 2023 and, pursuant to the terms of the Total Return Swap, commencing on September 7, 2023 and ending on October 25, 2023, the Dealer unwound the Total Return Swap to, among other things, determine the final cash payment (the "Final Cash Payment") that is required to be paid (and by and to which party to the Total Return Swap). The amount of the Final Cash Payment is $15,724,625.35 and will be made on or before October 27, 2023 by Icahn Partners and Icahn Master to the Dealer.

F4 · derivative.exercise_date: During the period commencing on September 7, 2021 through October 5, 2021, each of Icahn Partners and Icahn Master entered into multiple Total Return Cash Settled Equity Swaps (collectively, the "Total Return Swap") with an unaffiliated third-party financial counterparty (the "Dealer") with respect to 1,219,775 and 867,652, respectively, notional Shares. The expiration of the Total Return Swap occurred on September 7, 2023 and, pursuant to the terms of the Total Return Swap, commencing on September 7, 2023 and ending on October 25, 2023, the Dealer unwound the Total Return Swap to, among other things, determine the final cash payment (the "Final Cash Payment") that is required to be paid (and by and to which party to the Total Return Swap). The amount of the Final Cash Payment is $15,724,625.35 and will be made on or before October 27, 2023 by Icahn Partners and Icahn Master to the Dealer.

F5 · derivative.exercise_date: The expiration of the Total Return Swap and the payment of the Final Cash Payment each is exempt from Section 16(b) of the Securities Exchange Act pursuant to Rule 16b-6(d).

F6 · derivative.exercise_date: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F4 · derivative.expiration_date: During the period commencing on September 7, 2021 through October 5, 2021, each of Icahn Partners and Icahn Master entered into multiple Total Return Cash Settled Equity Swaps (collectively, the "Total Return Swap") with an unaffiliated third-party financial counterparty (the "Dealer") with respect to 1,219,775 and 867,652, respectively, notional Shares. The expiration of the Total Return Swap occurred on September 7, 2023 and, pursuant to the terms of the Total Return Swap, commencing on September 7, 2023 and ending on October 25, 2023, the Dealer unwound the Total Return Swap to, among other things, determine the final cash payment (the "Final Cash Payment") that is required to be paid (and by and to which party to the Total Return Swap). The amount of the Final Cash Payment is $15,724,625.35 and will be made on or before October 27, 2023 by Icahn Partners and Icahn Master to the Dealer.

F5 · derivative.expiration_date: The expiration of the Total Return Swap and the payment of the Final Cash Payment each is exempt from Section 16(b) of the Securities Exchange Act pursuant to Rule 16b-6(d).

F6 · derivative.expiration_date: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F4 · derivative.underlying_shares: During the period commencing on September 7, 2021 through October 5, 2021, each of Icahn Partners and Icahn Master entered into multiple Total Return Cash Settled Equity Swaps (collectively, the "Total Return Swap") with an unaffiliated third-party financial counterparty (the "Dealer") with respect to 1,219,775 and 867,652, respectively, notional Shares. The expiration of the Total Return Swap occurred on September 7, 2023 and, pursuant to the terms of the Total Return Swap, commencing on September 7, 2023 and ending on October 25, 2023, the Dealer unwound the Total Return Swap to, among other things, determine the final cash payment (the "Final Cash Payment") that is required to be paid (and by and to which party to the Total Return Swap). The amount of the Final Cash Payment is $15,724,625.35 and will be made on or before October 27, 2023 by Icahn Partners and Icahn Master to the Dealer.

F5 · derivative.underlying_shares: The expiration of the Total Return Swap and the payment of the Final Cash Payment each is exempt from Section 16(b) of the Securities Exchange Act pursuant to Rule 16b-6(d).

F6 · derivative.underlying_shares: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F4 · balance_after: During the period commencing on September 7, 2021 through October 5, 2021, each of Icahn Partners and Icahn Master entered into multiple Total Return Cash Settled Equity Swaps (collectively, the "Total Return Swap") with an unaffiliated third-party financial counterparty (the "Dealer") with respect to 1,219,775 and 867,652, respectively, notional Shares. The expiration of the Total Return Swap occurred on September 7, 2023 and, pursuant to the terms of the Total Return Swap, commencing on September 7, 2023 and ending on October 25, 2023, the Dealer unwound the Total Return Swap to, among other things, determine the final cash payment (the "Final Cash Payment") that is required to be paid (and by and to which party to the Total Return Swap). The amount of the Final Cash Payment is $15,724,625.35 and will be made on or before October 27, 2023 by Icahn Partners and Icahn Master to the Dealer.

F5 · balance_after: The expiration of the Total Return Swap and the payment of the Final Cash Payment each is exempt from Section 16(b) of the Securities Exchange Act pursuant to Rule 16b-6(d).

F6 · balance_after: Each of the Reporting Persons' interest in the securities reported herein is limited to the extent of his or its pecuniary interest in such securities, if any, and neither the filing of this Form 4 nor any of its contents will be deemed to constitute an admission by any of the foregoing, or any other person or entity, that he or it was or is the beneficial owner of any of such securities for purposes of Section 16 of the Securities Exchange Act or for any other purpose.

F1 · ownership.nature: This Form 4 is being filed by and on behalf of Mr. Carl C. Icahn, Icahn Partners LP ("Icahn Partners"), and Icahn Partners Master Fund LP ("Icahn Master," and, collectively with Mr. Icahn and Icahn Partners, the "Reporting Persons") with respect to the Common Stock, $1 Par Value (the "Shares"), of Southwest Gas Holdings, Inc. (the "Issuer").

F2 · ownership.nature: Beckton Corp. ("Beckton") is the sole stockholder of Icahn Enterprises G.P. Inc. ("Icahn Enterprises GP"), which is the general partner of Icahn Enterprises Holdings L.P. ("Icahn Enterprises Holdings"). Icahn Enterprises Holdings is the sole member of IPH GP LLC ("IPH"), which is the general partner of Icahn Capital LP ("Icahn Capital"), Icahn Capital is the general partner of each of Icahn Onshore LP ("Icahn Onshore") and Icahn Offshore LP ("Icahn Offshore"). Icahn Onshore is the general partner of Icahn Partners and Icahn Offshore is the general partner of Icahn Master.

F3 · ownership.nature: Beckton is wholly-owned by Mr. Icahn. As such, Mr. Icahn is in a position indirectly to determine the dispositive and voting decisions made by each of Icahn Partners and Icahn Master.

SEC source: 0001446274-23-000002 · wk-form4_1698878767.xml · nonDerivative · entry 7

Haller Karen S · CIK 0001446274 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By 401(k)

Disclosed balance after: 2,316.8669

SEC source: 0001446274-23-000002 · wk-form4_1698878767.xml · nonDerivative · entry 4

Haller Karen S · CIK 0001446274 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,123.6198

SEC source: 0001446274-23-000002 · wk-form4_1698878767.xml · nonDerivative · entry 3

Haller Karen S · CIK 0001446274 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,838.0998

SEC source: 0001692115-23-000145 · wk-form4_1701805411.xml · nonDerivative · entry 2

Stefani Robert J · CIK 0001955367 · SVP/Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,895.364

SEC source: 0001692115-23-000183 · wk-form4_1703800140.xml · nonDerivative · entry 6

CONLEY E RENAE · CIK 0001125828 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,094.869

SEC source: 0001692115-23-000183 · wk-form4_1703800140.xml · nonDerivative · entry 5

CONLEY E RENAE · CIK 0001125828 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,066.774

SEC source: 0001692115-23-000166 · wk-form4_1703799482.xml · nonDerivative · entry 8

Gabe Randall P. · CIK 0001967550 · SVP/Chief Administrative OFC

10b5-1 filing: No plan indicated

Ownership: Indirect · By 401(k)

Disclosed balance after: 1,110.7742

SEC source: 0001692115-23-000166 · wk-form4_1703799482.xml · nonDerivative · entry 4

Gabe Randall P. · CIK 0001967550 · SVP/Chief Administrative OFC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,153.2528

SEC source: 0001692115-23-000166 · wk-form4_1703799482.xml · nonDerivative · entry 3

Gabe Randall P. · CIK 0001967550 · SVP/Chief Administrative OFC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,114.6178

SEC source: 0001692115-23-000182 · wk-form4_1703800011.xml · nonDerivative · entry 8

Williams Julie M. · CIK 0001932678 · SVP/Cont. Improvement and Opt.

10b5-1 filing: No plan indicated

Ownership: Indirect · By 401(k)

Disclosed balance after: 2,304.095

SEC source: 0001692115-23-000182 · wk-form4_1703800011.xml · nonDerivative · entry 4

Williams Julie M. · CIK 0001932678 · SVP/Cont. Improvement and Opt.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,705.4862

SEC source: 0001692115-23-000182 · wk-form4_1703800011.xml · nonDerivative · entry 3

Williams Julie M. · CIK 0001932678 · SVP/Cont. Improvement and Opt.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,670.3462

SEC source: 0001692115-23-000174 · wk-form4_1703799593.xml · nonDerivative · entry 3

Sharma Ruby · CIK 0001880428 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,184.068

SEC source: 0001692115-23-000168 · wk-form4_1703799518.xml · nonDerivative · entry 3

Lewis-Raymond Jane · CIK 0001763779 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,027.295

SEC source: 0001692115-23-000177 · wk-form4_1703799626.xml · nonDerivative · entry 3

Teno Andrew · CIK 0001700750 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,641.068

SEC source: 0001692115-23-000186 · wk-form4_1703800365.xml · nonDerivative · entry 4

Moran Thomas E. · CIK 0001447058 · VP/General Counsel/Corp. Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,192.725

SEC source: 0001692115-23-000186 · wk-form4_1703800365.xml · nonDerivative · entry 3

Moran Thomas E. · CIK 0001447058 · VP/General Counsel/Corp. Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,172.724

SEC source: 0001692115-23-000181 · wk-form4_1703799852.xml · nonDerivative · entry 4

Daily Paul M · CIK 0001289491 · CEO/Centuri Group, Inc.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,614.9214

SEC source: 0001692115-23-000181 · wk-form4_1703799852.xml · nonDerivative · entry 3

Daily Paul M · CIK 0001289491 · CEO/Centuri Group, Inc.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,139.3964

SEC source: 0001692115-23-000180 · wk-form4_1703799658.xml · nonDerivative · entry 8

Timperley Amy L. · CIK 0001967554 · SVP/Chief Reg. & Fin. Planning

10b5-1 filing: No plan indicated

Ownership: Indirect · By 401(k)

Disclosed balance after: 8,322.065

SEC source: 0001692115-23-000180 · wk-form4_1703799658.xml · nonDerivative · entry 4

Timperley Amy L. · CIK 0001967554 · SVP/Chief Reg. & Fin. Planning

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,593.188

SEC source: 0001692115-23-000180 · wk-form4_1703799658.xml · nonDerivative · entry 3

Timperley Amy L. · CIK 0001967554 · SVP/Chief Reg. & Fin. Planning

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,565.702

SEC source: 0001692115-23-000178 · wk-form4_1703799639.xml · nonDerivative · entry 3

Ruisanchez Carlos · CIK 0001442051 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,345.437

SEC source: 0001692115-23-000176 · wk-form4_1703799615.xml · nonDerivative · entry 6

Thornton Leslie T · CIK 0001348352 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,527.295

SEC source: 0001692115-23-000176 · wk-form4_1703799615.xml · nonDerivative · entry 5

Thornton Leslie T · CIK 0001348352 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,505.074

SEC source: 0001692115-23-000175 · wk-form4_1703799604.xml · nonDerivative · entry 6

Linginfelter Henry P · CIK 0001403613 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,710.126

SEC source: 0001692115-23-000175 · wk-form4_1703799604.xml · nonDerivative · entry 5

Linginfelter Henry P · CIK 0001403613 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,695.707

SEC source: 0001692115-23-000172 · wk-form4_1703799572.xml · nonDerivative · entry 11

Brown Justin L · CIK 0001740097 · President/Southwest Gas Corp.

10b5-1 filing: No plan indicated

Ownership: Indirect · By 401(k)

Disclosed balance after: 3,285.619

SEC source: 0001692115-23-000172 · wk-form4_1703799572.xml · nonDerivative · entry 6

Brown Justin L · CIK 0001740097 · President/Southwest Gas Corp.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,323.5259

SEC source: 0001692115-23-000172 · wk-form4_1703799572.xml · nonDerivative · entry 5

Brown Justin L · CIK 0001740097 · President/Southwest Gas Corp.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,323.5169

SEC source: 0001692115-23-000172 · wk-form4_1703799572.xml · nonDerivative · entry 4

Brown Justin L · CIK 0001740097 · President/Southwest Gas Corp.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,250.4839

SEC source: 0001692115-23-000171 · wk-form4_1703799555.xml · nonDerivative · entry 6

Evans Andrew W · CIK 0001338158 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,710.126

SEC source: 0001692115-23-000171 · wk-form4_1703799555.xml · nonDerivative · entry 5

Evans Andrew W · CIK 0001338158 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,695.707

SEC source: 0001692115-23-000170 · wk-form4_1703799544.xml · nonDerivative · entry 6

Thoman A. Randall · CIK 0001498492 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,906.5118

SEC source: 0001692115-23-000170 · wk-form4_1703799544.xml · nonDerivative · entry 5

Thoman A. Randall · CIK 0001498492 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,578.9893

SEC source: 0001692115-23-000169 · wk-form4_1703799531.xml · nonDerivative · entry 6

MARIUCCI ANNE L · CIK 0001288050 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,413.0597

SEC source: 0001692115-23-000169 · wk-form4_1703799531.xml · nonDerivative · entry 5

MARIUCCI ANNE L · CIK 0001288050 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,329.0767

SEC source: 0001692115-23-000167 · wk-form4_1703799494.xml · nonDerivative · entry 8

Colvin Lori L · CIK 0001740091 · VP/Controller/CAO

10b5-1 filing: No plan indicated

Ownership: Indirect · By 401(k)

Disclosed balance after: 17.0871

SEC source: 0001692115-23-000167 · wk-form4_1703799494.xml · nonDerivative · entry 4

Colvin Lori L · CIK 0001740091 · VP/Controller/CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,772.7331

SEC source: 0001692115-23-000167 · wk-form4_1703799494.xml · nonDerivative · entry 3

Colvin Lori L · CIK 0001740091 · VP/Controller/CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,748.9791