<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0704</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001343894</cik>
        <entityName>INFORMA PLC</entityName>
        <issuerAddress>
            <street1>GUBELSTRASSE 11</street1>
            <city>ZUG</city>
            <stateOrCountry>V8</stateOrCountry>
            <stateOrCountryDescription>SWITZERLAND</stateOrCountryDescription>
            <zipCode>CH-6300</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>00 41 41 444 1344</issuerPhoneNumber>
        <jurisdictionOfInc>JERSEY</jurisdictionOfInc>
        <issuerPreviousNameList>
            <previousName>T&amp;F Informa plc</previousName>
            <previousName>Informa Group plc</previousName>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Derek</firstName>
                <lastName>Mapp</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Sudbrook Hall, Nesfield, Barlow</street1>
                <city>Dronfield, Derbyshire</city>
                <stateOrCountry>X0</stateOrCountry>
                <stateOrCountryDescription>UNITED KINGDOM</stateOrCountryDescription>
                <zipCode>S18 7TB</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Peter</firstName>
                <lastName>Rigby</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Chestnut Lodge</street1>
                <street2>Pannereggstrasse 7</street2>
                <city>Weggis</city>
                <stateOrCountry>V8</stateOrCountry>
                <stateOrCountryDescription>SWITZERLAND</stateOrCountryDescription>
                <zipCode>CH-6353</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Adam</firstName>
                <lastName>Walker</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Waldeggweg 4B</street1>
                <street2>Walchwil</street2>
                <city>Zug</city>
                <stateOrCountry>V8</stateOrCountry>
                <stateOrCountryDescription>SWITZERLAND</stateOrCountryDescription>
                <zipCode>CH-6318</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Dr. Pamela</firstName>
                <middleName>Josephine</middleName>
                <lastName>Kirby</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>Great Bois Wood House, Great Bois Wood</street1>
                <city>Amersham, Bucks</city>
                <stateOrCountry>X0</stateOrCountry>
                <stateOrCountryDescription>UNITED KINGDOM</stateOrCountryDescription>
                <zipCode>HP6 5NJ</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>John</firstName>
                <lastName>Davis</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>57 Elystan Place</street1>
                <city>London</city>
                <stateOrCountry>X0</stateOrCountry>
                <stateOrCountryDescription>UNITED KINGDOM</stateOrCountryDescription>
                <zipCode>SW3 3JY</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Dr. Brendan</firstName>
                <lastName>O'Neill</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>30 Burdon Lane</street1>
                <city>Sutton, Surrey</city>
                <stateOrCountry>X0</stateOrCountry>
                <stateOrCountryDescription>UNITED KINGDOM</stateOrCountryDescription>
                <zipCode>SM2 7PT</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Over $100,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001343894-09-000007</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2009-05-26</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isOptionToAcquireType>true</isOptionToAcquireType>
            <isSecurityToBeAcquiredType>true</isSecurityToBeAcquiredType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>true</isBusinessCombinationTransaction>
            <clarificationOfResponse>The second portion of this Rule 506 offering was an exchange of options and incentive awards in connection with a reorganization of Informa plc.</clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>8801201</totalOfferingAmount>
            <totalAmountSold>491739</totalAmountSold>
            <totalRemaining>8309462</totalRemaining>
            <clarificationOfResponse>Value of incentive awards estimated at stock price on grant date.  Value of options estimated at exercise price on grant date, adjusted for exchange rate on sale date.  Total offering decreased for awards or options forfeited.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>true</hasNonAccreditedInvestors>
            <numberNonAccreditedInvestors>5</numberNonAccreditedInvestors>
            <totalNumberAlreadyInvested>40</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>INFORMA PLC</issuerName>
                <signatureName>/s/ John Burton</signatureName>
                <nameOfSigner>John Burton</nameOfSigner>
                <signatureTitle>Group General Counsel &amp; Company Secretary</signatureTitle>
                <signatureDate>2010-04-20</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
