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<!--REG30PARAB V1.0 (01-06-2026)-->
<xbrli:xbrl xmlns:in-capmkt="http://www.sebi.gov.in/xbrl/2026-04-30/in-capmkt" xmlns:in-capmkt-ent="http://www.sebi.gov.in/xbrl/Regulation_30_Para_B_Of_Part_A_Of_Schedule_III/2026-04-30/in-capmkt/in-capmkt-ent" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:in-capmkt-types="http://www.sebi.gov.in/xbrl/2026-04-30/in-capmkt-types" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:net="http://www.xbrl.org/2009/role/net" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xl="http://www.w3.org/1999/xlink"><link:schemaRef xlink:type="simple" xlink:href="in-capmkt-ent-2026-04-30.xsd"/><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">526807</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-08-31</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="MainD"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">526807</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-08-31</xbrli:startDate><xbrli:endDate>2026-08-31</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="I_RevisionOrRescissionOrAmendmentOrAlterationOfAgreement"><xbrli:entity><xbrli:identifier scheme="http://www.sebi.gov.in/in-capmkt/ScripCode">526807</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-08-31</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:explicitMember dimension="in-capmkt:SubTypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIIIAxis">in-capmkt:RevisionOrRescissionOrAmendmentOrAlterationOfAgreementMember</xbrldi:explicitMember></xbrli:scenario></xbrli:context><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><in-capmkt:NSESymbol contextRef="MainI">SEAMECLTD</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">SEAMEC LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:ScripCode contextRef="MainI">526807</in-capmkt:ScripCode><in-capmkt:MSEISymbol contextRef="MainI">NOTLISTED</in-capmkt:MSEISymbol><in-capmkt:ISIN contextRef="MainI">INE497B01018</in-capmkt:ISIN><in-capmkt:TypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="MainI">Agreements (Sub-para 5-Para B)</in-capmkt:TypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII><in-capmkt:SubTypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="I_RevisionOrRescissionOrAmendmentOrAlterationOfAgreement">Revision, Rescission, Amendment or Alteration of agreement</in-capmkt:SubTypeOfEventAsPerRegulation30ParaBOfPartAOfScheduleIII><in-capmkt:TypeOfAnnouncementAsPerRegulation30ParaBOfPartAOfScheduleIII contextRef="MainI">New</in-capmkt:TypeOfAnnouncementAsPerRegulation30ParaBOfPartAOfScheduleIII><in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfTheBoardMeeting contextRef="MainI">false</in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfTheBoardMeeting><in-capmkt:DateOfOccurrenceOfEventOrInformation contextRef="MainI">2026-08-31</in-capmkt:DateOfOccurrenceOfEventOrInformation><in-capmkt:TimeOfOccurrenceOfEventOrInformation contextRef="MainI">17:08:00</in-capmkt:TimeOfOccurrenceOfEventOrInformation><in-capmkt:DateOfReport contextRef="MainI">2026-08-31</in-capmkt:DateOfReport><in-capmkt:TypeOfRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainI">Others</in-capmkt:TypeOfRevisionOrRescissionOrAmendmentOrAlterationOfAgreement><in-capmkt:DetailsOfOtherTypeOfRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainI">Addendum 1 and Addendum 2</in-capmkt:DetailsOfOtherTypeOfRevisionOrRescissionOrAmendmentOrAlterationOfAgreement><in-capmkt:DateOfInitialDisclosureOfTheExecutionOfTheAgreementToTheStockExchangeForRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainI">2026-07-21</in-capmkt:DateOfInitialDisclosureOfTheExecutionOfTheAgreementToTheStockExchangeForRevisionOrRescissionOrAmendmentOrAlterationOfAgreement><in-capmkt:BriefDetailsOfRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainI">Addendum 1 &amp; Addendum 2 dated 31st August 2026 to the Memorandum of Agreement dated 21st July 2026 entered between SEAMEC LIMITED and HAL OFFSHORE LIMITED</in-capmkt:BriefDetailsOfRevisionOrRescissionOrAmendmentOrAlterationOfAgreement><in-capmkt:NumberOfPartiesRelatingToAgreementAfterRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainD" unitRef="pure" decimals="0">1</in-capmkt:NumberOfPartiesRelatingToAgreementAfterRevisionOrRescissionOrAmendmentOrAlterationOfAgreement><in-capmkt:NamesOfPartiesWithWhomTheAgreementIsEnteredAfterRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainI">HAL OFFSHORE LIMITED</in-capmkt:NamesOfPartiesWithWhomTheAgreementIsEnteredAfterRevisionOrRescissionOrAmendmentOrAlterationOfAgreement><in-capmkt:NatureOfTheAgreementForRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainI">Normal Course of Business</in-capmkt:NatureOfTheAgreementForRevisionOrRescissionOrAmendmentOrAlterationOfAgreement><in-capmkt:DateOfExecutionOfTheRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainI">2026-08-31</in-capmkt:DateOfExecutionOfTheRevisionOrRescissionOrAmendmentOrAlterationOfAgreement><in-capmkt:ReasonOfRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainI">Addendum 1 – Amendment to the Schedule I to the MOA dated 21st July 2026 for Documents to be provided by SELLER and BUYER for delivery of the Vessel “SEAMEC ANANT”
Addendum 2 – Revision of the date of the Notice of Readiness to September 15, 2026 and Cancelling Date to October 15, 2026. 
All other terms of the Memorandum of Agreement dated 21st July 2026 remain unchanged</in-capmkt:ReasonOfRevisionOrRescissionOrAmendmentOrAlterationOfAgreement><in-capmkt:DetailsOfImpactOfTheRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainI">There is no impact.</in-capmkt:DetailsOfImpactOfTheRevisionOrRescissionOrAmendmentOrAlterationOfAgreement></xbrli:xbrl>
