Exhibit 99.1

DATED THE 11 DAY OF AUGUST 2026

BY

A

TMD ENERGY LIMITED

(REGISTRATION NO. 404183)

(THE GUARANTOR)

IN FAVOUR OF

MBSB BANK BERHAD

(REGISTRATION NO. 200501033981) (716122-P)

(THE BANK)

Rithauddin & Azlin

Advocates & Solicitors

Kuala Lumpur

Tel. 03-2078-9215

Ref. RA/C/43729/MBSB/TMDSB

LETTER OF GUARANTEE (CORPORATION)

THIS LETTER OF GUARANTEE (CORPORATION) (hereinafter referred to as “this Guarantee”) is made on the date as set out in Section 1 of the First Schedule hereto By THE PARTY(IES) whose name and particulars are set out in Section 2 of the First Schedule hereto (hereinafter referred to as “the Guarantor”) in favour of MBSB BANK BERHAD (REGISTRATION NO. 200501033981) (716122-P), a company incorporated in Malaysia and having a place of business in Malaysia as stated in Section 3 of the First Schedule hereto (hereinafter referred to as “the Bank”).

RECITALS

Pursuant to the Facility Agreement made between the party whose name and particulars are specified in Section 5 of the First Schedule hereto (hereinafter referred to as “the Customer”) and the Bank on the date specified in Section 4 of the First Schedule hereto (hereinafter referred to as “the Facility Agreement” which include any amendment(s), variation(s), addition(s), supplemental(s) or substitution(s) from time to time), the Bank has agreed to grant to the Customer the financing facilities as set out in Section 6 of the First Schedule (hereinafter referred to as “the Facility”), subject to the terms and conditions of the Security Documents (as defined in the Facility Agreement).

By the terms of the Facility Agreement, it was agreed, among other things, that the Guarantor will execute this Guarantee to guarantee the payment of the Guaranteed Amounts (as defined herein).

ARTICLE I

DEFINITIONS AND INTERPRETATION

All the provisions of the Facility Agreement, whether repeated in this Guarantee or not, are incorporated into and form part of this Guarantee and all representations, warranties and covenants made in the Facility Agreement by the Customer is deemed to have been made by the Guarantor and references to the Customer in the Facility Agreement will be read as if they were references to the Guarantor. Subject to such alterations or variations where necessary to make the provisions of the Facility Agreement consistent with the provisions of this Guarantee, in the event of any conflict or discrepancy between the provisions of the Facility Agreement and this Guarantee, the provisions of this Guarantee will prevail for the purposes of interpretation and enforcement of this Guarantee, but only to the extent of such inconsistency, conflict or discrepancy.

ARTICLE II

GUARANTEE

In consideration of the Bank, at the request of the Customer and the Guarantor, entering into the Facility Agreement with the Customer to make available or continue to make available to the Customer the Facility upon the terms and subject to the conditions contained in the Facility Agreement, THE GUARANTOR UNCONDITIONALLY AND IRREVOCABLY GUARANTEES, as a continuing obligation, the payment to the Bank on demand of all the Guaranteed Amounts together with profit, commission, discount and other relevant banking charges and all costs, charges and other expenses which the Bank may incur in respect of perfecting this Guarantee or in enforcing or obtaining payment of such monies or in defending, prosecuting or otherwise taking part in and also all other payment and sums hereinafter mentioned or stipulated and other usual bankers’ charges.

The Guarantor agrees that as between the Guarantor and the Bank, the Guarantor will be a principal debtor and not merely a surety and all sums of money which may not be recoverable from the Guarantor on the footing of a guarantee, whether by reason of any legal limitation or incapacity on or of the Customer or any other fact or circumstances. This includes, without limitation, (a) where the Customer, being a limited company, may have exceeded its limits of facility amount, or (b) that the facility from the Bank may have been ultra-vires whether known to the Bank or not, or (c) the want of authority by any person purporting to act on behalf of the Customer. Notwithstanding the said circumstances, the Guaranteed Amounts will be recoverable on demand from the Guarantor as the sole and principal debtor.

This Guarantee is in addition to and not in substitution for and will not in any way be prejudiced or affected by any other security whether negotiable or otherwise including any other guarantee or indemnity which the Bank may now or at any time hold from the Guarantor, the Customer or any other person for all or any part of the Guaranteed Amounts. Nor shall such security or any other security to which the Bank may otherwise be entitled or the liability of any person not a party hereto for all or any part of the Guaranteed Amounts be in any way prejudiced or affected by this Guarantee.

ARTICLE III

INDEMNITY OF GUARANTOR

As a separate, additional and continuing obligation, the Guarantor unconditionally and irrevocably undertakes with the Bank that, should the Guaranteed Amounts not be recoverable from the Guarantor under Section 2.01 of this Guarantee for any reason whatsoever (including, but without prejudice to the generality of the preceding, by reason of any provision of the Security Documents being or becoming void, unenforceable or otherwise invalid under applicable law) then, notwithstanding that such reason may have been known to the Bank, the Guarantor will, as a sole, original independent obligor, upon first written demand by the Bank under Section 2.01 hereof, make payment of the Guaranteed Amounts by way of a full indemnity and otherwise in such manner as is provided for under the Security Documents or this Guarantee.

ARTICLE IV

REPRESENTATIONS AND WARRANTIES

The Guarantor represents and warrants to the Bank as follows:

The Guarantor acknowledges that the Bank has entered into this Guarantee on the basis and in full reliance of the above representations and warranties, and the Guarantor agrees, covenants, undertakes and confirms that each of the said representations and warranties will survive and continue to have full force and effect after the execution of this Guarantee. The Guarantor warrants to the Bank that the above representations and warranties will be true and correct and fully observed until the Guaranteed Amounts due under this Guarantee have been discharged in full and so long as the Facility remain available or any monies remain to be due or to be paid or paid thereunder as if repeated then by reference to the then existing circumstances.

The Bank’s rights and remedies in relation to any misrepresentation or breach of warranty will not be prejudiced by any investigation by or on behalf of the Bank into the affairs of the Guarantor, or by the execution or the performance of this Guarantee, or by any other act or thing which may be done by or on behalf of the Bank in connection with this Guarantee, or which might, apart from this section, prejudice such rights or remedies.

ARTICLE V

UNDERTAKINGS OF THE GUARANTOR

The Guarantor undertakes with the Bank that from the date of this Guarantee until all its liabilities under this Guarantee have been discharged in full:

and the Guarantor will not create or permit to exist over all or any part of its business or assets any Security Interests other than those permitted under this Section 5.01(a) without the prior written consent of the Bank;

Without prejudice to the generality of the preceding, the Guarantor undertakes to the Bank that at all times during the continuance of the Facility or this Guarantee as long as any monies shall remain payable under the Facility or this Guarantee, the Guarantor will not without the Bank’s prior consent in writing, claim, demand, accept or receive from the Customer, by set-off or in any other manner, payment of any financings by the Guarantor to the Customer or any part thereof. In the event of the Guarantor accepting such payment, the monies so received will be deemed to be received in trust for the Bank and will immediately be paid over to the Bank.

ARTICLE VI

GUARANTEE NOT BE IMPAIRED

The Guarantor agrees and acknowledges that none of the obligations and liabilities of the Guarantor under this Guarantee will be impaired, abrogated, prejudiced, affected or discharged nor will the Guarantor be released or exonerated by any of the following matters, whether with or without the Guarantor’s consent or notice to the Guarantor:

In order to give full effect to the provisions of this Guarantee, the Guarantor waives all rights inconsistent with such provisions and which the Guarantor might otherwise as surety be entitled to claim and enforce.

ARTICLE VII

PAYMENT PROVISIONS

If the Guarantor is required by law to make any deduction or withholding on account of any such tax or any other amount from any sum paid or payable by the Guarantor to the Bank under this Guarantee, the Guarantor will pay such additional sum to the extent necessary to ensure that, after the making of that deduction, withholding or payment the Bank receives on the due date and retains (free from any liability in respect of any such deduction, withholding or payment) a net sum equal to what the Bank would have received and so retained had no such deduction, withholding or payment been required or made.

ARTICLE VIII

COSTS AND EXPENSES

The Guarantor will be liable to pay all costs, fees and expenses (including other similar duties and any penalties thereon) on a full indemnity basis in connection with or incidental to this Guarantee, including the Bank’s solicitors’ fees (on a solicitor and client basis) and stamp duty in connection with the preparation and execution of this Guarantee and the documents related thereto. If the monies guaranteed under this Guarantee or any part thereof is required to be recovered through any process of law by the Bank, or is to be placed in the hands of solicitors for collection, such amounts will be payable by the Guarantor on demand on a full indemnity basis, together with profit from the date the costs and expenses are incurred to the date of full payment at such rate as the Bank may prescribe (both before and after judgment). The Bank will have the right at any time with notice to the Guarantor to debit any of the Guarantor’s accounts in accordance with this section and Section 7.01 hereof.

The Guarantor covenants with the Bank to reimburse or pay to the Bank (on the basis of a full indemnity) the amount of all costs, charges and expenses incurred by the Bank in connection with the exercise, or any attempted exercise or the consideration of any exercise, by or on behalf of the Bank of any of the powers of the Bank or any other action taken by or on behalf of the Bank in connection with the recovery by the Bank of the Guaranteed Amounts from this Guarantee.

All moneys expended by the Bank under this Guarantee from time to time for and on behalf of the Guarantor and for its account shall bear profit thereon at the Prescribed Rate and where relevant, Default Rate, from the date of such payments relating to takaful/insurance, quit rent, assessment, rates, taxes, repairs, legal costs and all other outgoings (excluding any expenses incurred by the Bank to visit, inspect or report on the business of the Guarantor by the Bank’s agent and/or consultants). The moneys shall be recoverable from the Guarantor and is to be paid on demand. In default of payment, such moneys will be deemed to form part of the Guaranteed Amounts and to be guaranteed under this Guarantee and the accounts of the Guarantor (if any) shall be debited in accordance with this section and Section 7.01.

Without prejudice to the preceding terms and provisions, and in addition and without prejudice to any other powers, rights and remedies which the Bank may be entitled to, the Guarantor irrevocably and unconditionally undertakes to indemnify the Bank and hold the Bank harmless from and against any losses, damages and expenses whatsoever, legal or otherwise (including but not limited to all legal costs incurred by the Bank on a solicitor and client basis), which the Bank may sustain, suffer or incur as a consequence of the non-observance of all or any of the terms, stipulations, agreements and provisions on the part of the Guarantor contained herein, or for or in connection with demanding and enforcing payment of all monies guaranteed under this Guarantee or otherwise in enforcing this Guarantee.

ARTICLE IX

DISCLOSURE

In the course of the Guarantor’s dealing with the Bank, the Bank may request the Guarantor to provide personal data of the Guarantor prior to or during the course of performance of this Guarantee for the purpose of the performance of contract, marketing, legitimate business activity, administration and ensuring the economy is balanced effectively. The personal data of the Guarantor, which will be processed in accordance with the requirements set out in Personal Data Protection Act 2010, may be disclosed and shared with other related corporations and subsidiaries of the Bank within and outside Malaysia for the aforesaid purposes. The Bank however, will obtain the Guarantor’s express consent and authorisation to release the Guarantor’s name, address, email address, telephone number(s) and any other information, to any third party for the marketing and promotion of the Bank’s products and services. Such consent and authorisation may be withdrawn at any time by the Guarantor by giving adequate prior written notice to the Bank.

ARTICLE X

FURTHER PROVISIONS

All moneys received by the Bank from any person or estate capable of being applied to reduce the Guaranteed Amounts will be regarded for all purposes as payments in gross or in total towards settlement of the Facility. If an adjudicating or receiving order is to be made against any person liable to the Bank or any order be made, the Bank may prove for the whole of the moneys then owing. No money received under such proof will be considered as having been received and the full amount owing will be payable until the Bank has received from all sources one hundred cent in the Ringgit Malaysia. If the amount ultimately received by the Bank exceeds the amount of the ultimate balance owing to the Bank, the excess amount is to be paid to the person or party on whose account the same have been received by the Bank.

Any admission or acknowledgment in writing by the Customer or any person on behalf of the Customer of the amount of the Guaranteed Amounts in relation to the subject-matter of this Guarantee or any judgment or award obtained by the Bank against the Customer or any statement of account furnished by the Bank which is duly certified by an authorised officer or agent of the Bank or computer generated notices which do not require signatures issued by the Bank, will be binding on and conclusive evidence against the Guarantor for whatever purpose including as being conclusive evidence of the Guaranteed Amounts in a court of law, except for obvious error.

This Guarantee will extend to cover:

Any money received under this Guarantee may be placed and kept to the credit of a suspense account during the tenure of the Facility. The Bank may apply the moneys kept in the suspense account or any part thereof in or towards discharge of any money or liability due or incurred by the Guarantor to the Bank. Notwithstanding any such payment, in the event of proceedings in or analogous to bankruptcy, winding up, liquidation, composition or arrangement, the Bank may prove for and agree to accept any dividend or composition in respect of the whole or any part of such money and liability in the same manner as if this Guarantee had not been given.

until all the Guaranteed Amounts have been paid, discharged or satisfied in full (which expression shall not include payment of a dividend in liquidation or bankruptcy of less than one hundred per centum (100%)). Until such time, the Guarantor agrees that the Guarantor will not be entitled to any dividend, composition or payment from the assets or estate of the Customer or any other Security Party. Nor will the Guarantor be entitled to or claim the benefit of or participate in any security held or money received by the Bank now or at any time on account of the Guaranteed Amounts or to stand in the Bank’s place in respect of any such security or money. The Bank may enforce and recover upon this Guarantee the full amounts for which the Guarantor will be liable under this Guarantee, notwithstanding any such set-off, counterclaim, proof, dividend, composition, or payment as aforesaid.

The Guarantor declares that such power has been given for valuable consideration and will be irrevocable for as long as any part of the Guaranteed Amounts remains unpaid or outstanding. The Guarantor further declares that the Bank will not be held responsible or liable to the Guarantor for any loss or damage arising as a result of the Bank in their exercise of the powers aforesaid and any matter or thing in relation thereto, other than those arising out of the Bank’s gross negligence or willful misconduct and the Guarantor will keep the Bank indemnified of all costs, expenses and charges which the Bank may incur in the exercise of the powers aforesaid.

Without prejudice to and in addition to any rights it may have (whether by operation of law, contract or otherwise) in respect of any liabilities of the Customer to the Bank or of the Guarantor under this Guarantee, the Bank will have a lien on any securities or other properties in the possession or under the control of the Bank or any of its branches, in or outside Malaysia, whether deposited by or for the Guarantor for safe custody or otherwise. The Bank will have a right to hold any of the said securities or other properties as security for the Guaranteed Amounts or any future or contingent liability of the Guarantor to the Bank, or to sell any such securities or other properties, provided that where the exercise of any such rights requires the conversion of one currency into another, the Bank may effect any necessary currency conversions in such manner as it may in its discretion consider appropriate.

No delay or omission on the part of the Bank in exercising any right, power, privilege or remedy in respect of this Guarantee will prejudice or be construed as a waiver of such right, power, privilege or remedy. Nor will any single or partial exercise of any such right, power, privilege or remedy prevent any further exercise of it or the exercise of any other right, power, privilege or remedy. The rights, powers, privileges and remedies provided in this Guarantee are cumulative and not exclusive of any rights, powers, privileges or remedies provided by law.

notwithstanding the company or companies with which the Bank may amalgamate or merge or the company to which the Bank may transfer the whole or any part of its undertaking and assets either on a reconstruction or sale or transfer as stated above shall or shall not differ from the Bank in their or its objects, character or constitution, it is the intent of the Guarantor that (a) this Guarantee will remain valid and effectual in all respects in favour of, against and with reference to, and (b) the benefit of this Guarantee and all rights conferred upon the Bank by this Guarantee may be assigned to and enforced by, any such company or companies and proceeded on in the same manner to all intents and purposes as if such company or companies had been named in this Guarantee instead of and/or in addition to the Bank.

it is expressly declared that no change of any sort in relation to or affecting the Guarantor or the Bank will in any way affect the security, liabilities and/or obligations created under this Guarantee in relation to any transaction whatsoever whether past, present or future.

Any demand, notice or request by fax is to be followed by registered post or delivered by hand to such address as soon as practicable thereafter. A written statement by an officer of the Bank confirming the posting of any statement of accounts or any other notice or communication whatsoever from the Bank will be binding and conclusive evidence of the fact as against the Customer and/or the Customer’s estate and/or successors in title notwithstanding any evidence to the contrary.

For the Bank

Place of business and fax no. as stated in Section 3 of the First Schedule hereto.

For the Customer

Address and fax no. as stated in Section 3 of the First Schedule hereto.

No disposition, assurance, security or payment which may be avoided under any provisions of the Companies Act 2016 or the Insolvency Act 1967 or any statutory modification or re-enactment thereof or under any statute relating to bankruptcy, winding-up or any analogous proceedings or is otherwise avoided in any manner, and no release, settlement or discharge which may have been given or made on the faith of any such disposition, assurance, security or payment will prejudice or affect the Bank’s right to recover from the Guarantor to the full extent of this Guarantee as if such disposition, assurance, security, payment, release, settlement or discharge (as the case may be) had never been granted, given or made.

Additional terms may be added as set out in the Third Schedule, whereby the latter will prevail for the purposes of this Guarantee. The terms of this Guarantee may also from time to time be varied or amended, subject to Shariah principles, by means of a twenty-one (21) days’ prior notice to the Guarantor in accordance with the terms hereof, or by an exchange of letters or supplemental agreements or such other means as the parties may agree from time to time. Such amendments will be deemed to have been amended or varied accordingly and is to be read and construed as if such amendments or variations had been incorporated in and had formed part of this Guarantee at the time of execution hereof. In the event of any inconsistency between the provisions of this Guarantee and the terms as varied or amended by the aforesaid exchange of letters or formal or supplemental documents, the latter will prevail for the purposes of this Guarantee, but only to the extent of such inconsistency, conflict or discrepancy.

If any term, condition, stipulation, provision, covenant or undertaking contained in this Guarantee is illegal, prohibited or unenforceable in any jurisdiction, then such term, condition, stipulation, provision, covenant or undertaking will be ineffective in such jurisdiction to the extent of such illegality, prohibition or unenforceability. The other remaining provisions in this Guarantee shall remain valid. Such illegality, prohibition or unenforceability in any jurisdiction shall not invalidate or render illegal, void or unenforceable any such term, condition, stipulation, provision, covenant or undertaking in any other jurisdiction.

Time of performance will be an essential term of this Guarantee.

This Guarantee is to be governed by and understood in all respect in accordance with the laws of Malaysia on all matters connected with the obligations and liabilities of the Parties under this Guarantee. The Parties agree to submit to the jurisdiction of the courts of Malaysia provided that such submission will not affect the right of the Bank to take proceedings in any other jurisdiction nor will the taking of proceedings in any jurisdiction prevent the Bank from taking proceedings in any other jurisdiction. The Bank may initiate and take actions or proceedings or otherwise against the Guarantor in Malaysia and/or elsewhere or concurrently in more than one jurisdiction as the Bank may deem fit. The Parties further agree that the service of any writ or summons or any legal process in respect of any action arising out of or connected with this Guarantee may be effected by forwarding a copy of the writ of summons and statement of claim and other legal process by prepaid registered post to their respective addresses set out in this Guarantee.

This Guarantee will be binding upon the Guarantor’s heirs, estate, personal representatives, successors in title, and permitted assigns and on the Bank’s successors in title and assigns.

The Guarantor declares that the contents of this Guarantee have been explained to the Guarantor and the Guarantor has perfectly understood the contents of this Guarantee before signing it voluntarily with full knowledge of the Guarantor’s obligations.

Notwithstanding any relations subsisting between the Guarantor and the Customer (whether the Bank has notice of such relationship or otherwise), the Guarantor declares that the Guarantor has full knowledge of the Guarantor’ obligations under this Guarantee. The Guarantor has not been influenced by such relationship to execute this Guarantee in favour of the Bank (notwithstanding any contrary legal or equitable presumption), and the Guarantor has executed this Guarantee voluntarily. It is agreed that the rights of the Bank under this Guarantee will not be prejudiced by any investigation by or on behalf of the Bank into the affairs of the Guarantor and the Customer or by any other act or omission in connection with this Guarantee.

IT IS AGREED AND DECLARED THAT this Guarantee is intended to be and is executed as an additional security for the Guaranteed Amounts and all principal sums, profit and liabilities covenanted or agreed to be paid or payable by the Customer under or in connection with or arising from the Facility, in relation to which, full ad valorem stamp duty has been paid on the Facility Agreement and this Guarantee is a subsidiary instrument.

(End of Clauses)

THE FIRST SCHEDULE

(To be read and construed as an essential part of this Guarantee)

The above financing facilities shall collectively be referred to as “the Facility”.

THE SECOND SCHEDULE

ADDITIONAL REPRESENTATIONS AND WARRANTIES

(To be read and construed as an essential part of this Guarantee)

The representations and warranties in the Facility Agreement are hereby incorporated in this Guarantee and repeated by the Guarantor.

THE THIRD SCHEDULE

AMENDMENTS AND/OR ADDITIONAL TERMS

(To be read and construed as an essential part of this Guarantee)

The terms and conditions in the Facility Agreement are hereby incorporated in this Guarantee.

Notice to Guarantor

Please be advised as follows: