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            <secFileNumber>000-29472</secFileNumber>
            <issuerAddress>
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                <ns2:city>Tempe</ns2:city>
                <ns2:stateOrCountry>AZ</ns2:stateOrCountry>
                <ns2:zipCode>85284</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(480) 821-5000</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>MEGAN FAUST</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
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            <brokerOrMarketmakerDetails>
                <name>E*TRADE FINANCIAL CORPORATION</name>
                <address>
                    <ns2:street1>3 EDISON DRIVE</ns2:street1>
                    <ns2:city>ALPHARETTA</ns2:city>
                    <ns2:stateOrCountry>GA</ns2:stateOrCountry>
                    <ns2:zipCode>30005</ns2:zipCode>
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            </brokerOrMarketmakerDetails>
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            <noOfUnitsOutstanding>245640706</noOfUnitsOutstanding>
            <approxSaleDate>07/21/2023</approxSaleDate>
            <securitiesExchangeName>NASD</securitiesExchangeName>
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        <securitiesToBeSold>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <acquiredDate>07/21/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Stock Option Exercise</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>2700</amountOfSecuritiesAcquired>
            <paymentDate>07/21/2023</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
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                    <ns2:city>Tempe</ns2:city>
                    <ns2:stateOrCountry>AZ</ns2:stateOrCountry>
                    <ns2:zipCode>85284</ns2:zipCode>
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            <securitiesClassTitle>Common</securitiesClassTitle>
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            <amountOfSecuritiesSold>2700</amountOfSecuritiesSold>
            <grossProceeds>71216.01</grossProceeds>
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            <sellerDetails>
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                <address>
                    <ns2:street1>2045 East Innovation Circle</ns2:street1>
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                    <ns2:stateOrCountry>AZ</ns2:stateOrCountry>
                    <ns2:zipCode>85284</ns2:zipCode>
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            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>06/09/2023</saleDate>
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                    <ns2:zipCode>85284</ns2:zipCode>
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            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>05/24/2023</saleDate>
            <amountOfSecuritiesSold>2700</amountOfSecuritiesSold>
            <grossProceeds>61181.46</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>07/21/2023</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>02/23/2023</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Megan Faust</signature>
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144
0001684564
XXXXXXXX
LIVE
0001047127
AMKOR TECHNOLOGY, INC.
000-29472
2045 East Innovation Circle
Tempe
AZ
85284
(480) 821-5000
MEGAN FAUST
Officer
Common
E*TRADE FINANCIAL CORPORATION
3 EDISON DRIVE
ALPHARETTA
GA
30005
2700
76704.03
245640706
07/21/2023
NASD
COMMON
07/21/2023
Stock Option Exercise
ISSUER
N
2700
07/21/2023
Cash
N
MEGAN FAUST
2045 East Innovation Circle
Tempe
AZ
85284
Common
06/16/2023
2700
71216.01
MEGAN FAUST
2045 East Innovation Circle
Tempe
AZ
85284
Common
06/09/2023
2700
71672.04
MEGAN FAUST
2045 East Innovation Circle
Tempe
AZ
85284
Common
05/24/2023
2700
61181.46
07/21/2023
02/23/2023
/s/ Megan Faust