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    <label xlink:label="label_lseg_lsegAdjustmentsForIncreaseInClearingMemberFinancialLiabilities_Standard" id="lseg_lsegAdjustmentsForIncreaseInClearingMemberFinancialLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjustments for increase in clearing member financial liabilities</label>
    <label xlink:label="label_lseg_lsegRepurchaseOfSharesBySubsidiaryTradewebClassifiedAsFinancingActivities_Standard" id="lseg_lsegRepurchaseOfSharesBySubsidiaryTradewebClassifiedAsFinancingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Repurchase of shares by subsidiary (Tradeweb), classified as financing activities</label>
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    <label xlink:label="label_lseg_lsegRoyaltiesPaidClassifiedAsOperatingActivities_Standard" id="lseg_lsegRoyaltiesPaidClassifiedAsOperatingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Royalties paid classified as operating activities</label>
    <label xlink:label="label_lseg_lsegNetIncreaseInBorrowingsWithShortTermMaturitiesClassifiedAsFinancingActivities_Standard" id="lseg_lsegNetIncreaseInBorrowingsWithShortTermMaturitiesClassifiedAsFinancingActivities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Net increase in borrowings with short-term maturities classified as financing activities</label>
    <label xlink:label="label_lseg_lsegDisclosureOfClimateChangeExplanatory_Standard" id="lseg_lsegDisclosureOfClimateChangeExplanatory_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Description of accounting policy for climate change</label>
    <label xlink:label="label_lseg_lsegDisclosureOfTotalIncomeAndContractLiabilities_Standard" id="lseg_lsegDisclosureOfTotalIncomeAndContractLiabilities_Standard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Disclosure of total income and contract liabilities</label>
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