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<!--ANNAgreement V1.0 (10-04-2026)-->
<xbrli:xbrl xmlns:in-capmkt="https://www.sebi.gov.in/xbrl/2024-04-30/in-capmkt" xmlns:in-capmkt-ent="https://www.sebi.gov.in/xbrl/Announcement_For_Agreements/2024-04-30/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="https://www.sebi.gov.in/xbrl/Announcement_For_Agreements/2024-04-30/in-capmkt-roles" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:in-capmkt-type="https://www.sebi.gov.in/xbrl/2024-04-30/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.xbrl.org/2003/XLink"><link:schemaRef xlink:type="simple" xlink:href="in-capmkt-ent-2024-04-30.xsd"/><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>2026-05-12</xbrli:startDate><xbrli:endDate>2026-05-12</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">526807</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-05-12</xbrli:instant></xbrli:period></xbrli:context><xbrli:context id="D_PartiesOfTheAgreement1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">526807</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-05-12</xbrli:startDate><xbrli:endDate>2026-05-12</xbrli:endDate></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:PartiesOfTheAgreementAxis"><in-capmkt:PartiesOfTheAgreementDomain>PartiesOfTheAgreementDomain1</in-capmkt:PartiesOfTheAgreementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:context id="I_PartiesOfTheAgreement1"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/ScripCode">526807</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-05-12</xbrli:instant></xbrli:period><xbrli:scenario><xbrldi:typedMember dimension="in-capmkt:PartiesOfTheAgreementAxis"><in-capmkt:PartiesOfTheAgreementDomain>PartiesOfTheAgreementDomain1</in-capmkt:PartiesOfTheAgreementDomain></xbrldi:typedMember></xbrli:scenario></xbrli:context><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><xbrli:unit id="shares"><xbrli:measure>xbrli:shares</xbrli:measure></xbrli:unit><in-capmkt:NameOfTheCompany contextRef="MainI">SEAMEC LIMITED</in-capmkt:NameOfTheCompany><in-capmkt:NSESymbol contextRef="MainI">SEAMECLTD</in-capmkt:NSESymbol><in-capmkt:TypeOfAnnouncement contextRef="MainI">New</in-capmkt:TypeOfAnnouncement><in-capmkt:TypeOfAgreement contextRef="MainI">Others</in-capmkt:TypeOfAgreement><in-capmkt:DetailsOfOtherTypeOfAnnouncement contextRef="MainI">Charter Party Agreement</in-capmkt:DetailsOfOtherTypeOfAnnouncement><in-capmkt:StageOfAgreement contextRef="MainI">Execution of agreement</in-capmkt:StageOfAgreement><in-capmkt:AgreementsEnteredIntoBy contextRef="MainD">Listed Entity</in-capmkt:AgreementsEnteredIntoBy><in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfBoardMeeting contextRef="MainD">false</in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfBoardMeeting><in-capmkt:DateOfOccurrenceOfEvent contextRef="MainI">2026-05-12</in-capmkt:DateOfOccurrenceOfEvent><in-capmkt:TimeOfOccurrenceOfEvent contextRef="MainD">11:20:00</in-capmkt:TimeOfOccurrenceOfEvent><in-capmkt:WhetherTheListedEntityIsPartyToTheAgreement contextRef="MainD">true</in-capmkt:WhetherTheListedEntityIsPartyToTheAgreement><in-capmkt:DateOfReport contextRef="MainI">2026-05-12</in-capmkt:DateOfReport><in-capmkt:DetailsOfExecutionOfAgreement contextRef="MainI">Charter Party Agreement with M/s. Lamprell Energy Limited, Dubai</in-capmkt:DetailsOfExecutionOfAgreement><in-capmkt:WhetherProposedOrExecutedAgreementIsInNormalCourseOfBusiness contextRef="MainI">true</in-capmkt:WhetherProposedOrExecutedAgreementIsInNormalCourseOfBusiness><in-capmkt:ImpactOfAgreementOnManagementAndControlOfTheListedEntity contextRef="MainI">No Impact</in-capmkt:ImpactOfAgreementOnManagementAndControlOfTheListedEntity><in-capmkt:NumberOfPartiesToTheAgreement contextRef="MainI" unitRef="pure" decimals="0">1</in-capmkt:NumberOfPartiesToTheAgreement><in-capmkt:NameOfPartiesOrCounterPartiesOfTheAgreement contextRef="D_PartiesOfTheAgreement1">Lamprell Energy Limited</in-capmkt:NameOfPartiesOrCounterPartiesOfTheAgreement><in-capmkt:NatureOfThePartiesOfTheAgreement contextRef="I_PartiesOfTheAgreement1">Counterparties to the agreement</in-capmkt:NatureOfThePartiesOfTheAgreement><in-capmkt:DetailsOfShareholdingInTheEntityWithWhomTheAgreementIsExecuted contextRef="I_PartiesOfTheAgreement1">0</in-capmkt:DetailsOfShareholdingInTheEntityWithWhomTheAgreementIsExecuted><in-capmkt:NumberOfSharesOfPartyOfTheAgreement contextRef="I_PartiesOfTheAgreement1" unitRef="shares" decimals="INF">0</in-capmkt:NumberOfSharesOfPartyOfTheAgreement><in-capmkt:PercentageOfShareholdingOfPartyOfTheAgreement contextRef="I_PartiesOfTheAgreement1" unitRef="pure" decimals="INF">0</in-capmkt:PercentageOfShareholdingOfPartyOfTheAgreement><in-capmkt:WhetherThePartiesToTheAgreementAreRelatedToPromoterOrPromoterGroupOrAssociateOrHoldingOrSubsidiaryOrGroupCompaniesOrDirectorOrKMPAndItsRelativesInAnyManner contextRef="I_PartiesOfTheAgreement1">false</in-capmkt:WhetherThePartiesToTheAgreementAreRelatedToPromoterOrPromoterGroupOrAssociateOrHoldingOrSubsidiaryOrGroupCompaniesOrDirectorOrKMPAndItsRelativesInAnyManner><in-capmkt:DateOnWhichAgreementWasEntered contextRef="MainI">2026-05-12</in-capmkt:DateOnWhichAgreementWasEntered><in-capmkt:PurposeOfEnteringIntoTheAgreement contextRef="MainI">Charter Hire of our Vessel "SEAMEC PRINCESS" for undertaking offshore activities of Oil and Natural Gas Corporation in the West Coast Oilfield of India including Daman Field</in-capmkt:PurposeOfEnteringIntoTheAgreement><in-capmkt:SignificantTermsOfTheAgreementInBriefSpecialRightsLikeRightToAppointDirectorsOrFirstRightToShareSubscriptionInCaseOfIssuanceOfSharesOrRightToRestrictAnyChangeInCapitalStructure contextRef="MainI">The firm period is for 15 days with option for extension on mutually agreed terms. 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