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    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001712741</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001738827</issuerCik>
            <issuerName>KLX ENERGY SERVICES HOLDINGS, INC.</issuerName>
            <secFileNumber>001-38609</secFileNumber>
            <issuerAddress>
                <ns2:street1>3040 Post Oak Boulevard, 15th Floor</ns2:street1>
                <ns2:city>Houston</ns2:city>
                <ns2:stateOrCountry>TX</ns2:stateOrCountry>
                <ns2:zipCode>77056</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(832) 844-1015</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>MAX BOUTHILLETTE</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>38th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>10475</noOfUnitsSold>
            <aggregateMarketValue>122699.96</aggregateMarketValue>
            <noOfUnitsOutstanding>16407421</noOfUnitsOutstanding>
            <approxSaleDate>09/15/2023</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/09/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>3546</amountOfSecuritiesAcquired>
            <paymentDate>02/09/2023</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/01/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>6929</amountOfSecuritiesAcquired>
            <paymentDate>02/01/2023</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>MAX BOUTHILLETTE</name>
                <address>
                    <ns2:street1>3040 Post Oak Boulevard, 15th Floor</ns2:street1>
                    <ns2:city>Houston</ns2:city>
                    <ns2:stateOrCountry>TX</ns2:stateOrCountry>
                    <ns2:zipCode>77056</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/01/2023</saleDate>
            <amountOfSecuritiesSold>1000</amountOfSecuritiesSold>
            <grossProceeds>11570.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>MAX BOUTHILLETTE</name>
                <address>
                    <ns2:street1>3040 Post Oak Boulevard, 15th Floor</ns2:street1>
                    <ns2:city>Houston</ns2:city>
                    <ns2:stateOrCountry>TX</ns2:stateOrCountry>
                    <ns2:zipCode>77056</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>07/03/2023</saleDate>
            <amountOfSecuritiesSold>1000</amountOfSecuritiesSold>
            <grossProceeds>9750.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>09/15/2023</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>12/30/2022</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Maxine Louis Bouthillette</signature>
        </noticeSignature>
    </formData>
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144
0001712741
XXXXXXXX
LIVE
0001738827
KLX ENERGY SERVICES HOLDINGS, INC.
001-38609
3040 Post Oak Boulevard, 15th Floor
Houston
TX
77056
(832) 844-1015
MAX BOUTHILLETTE
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
38th Floor
New York
NY
10004
10475
122699.96
16407421
09/15/2023
NASDAQ
Common
02/09/2023
Restricted Stock
Issuer
N
3546
02/09/2023
Not Applicable
Common
02/01/2023
Restricted Stock
Issuer
N
6929
02/01/2023
Not Applicable
N
MAX BOUTHILLETTE
3040 Post Oak Boulevard, 15th Floor
Houston
TX
77056
Common
08/01/2023
1000
11570.00
MAX BOUTHILLETTE
3040 Post Oak Boulevard, 15th Floor
Houston
TX
77056
Common
07/03/2023
1000
9750.00
09/15/2023
12/30/2022
/s/ Maxine Louis Bouthillette