Announcement PDF CORPORATE GOVERNANCE STATEMENT FOR THE YEAR ENDED 30 JUNE 2026 This Corporate Governance Statement is current as at 22 September 2026 and has been approved by the Board of the Company on that date. This Corporate Governance Statement discloses the extent to which the Company has, as at 30 June 2026 followed the recommendations set by the ASX Corporate Governance Council in its publication Corporate Governance Principles and Recommendations (Recommendations). The Recommendations are not mandatory, however the Recommendations that have not been followed for any part of the reporting period have been identified and reasons provided for not following them along with what (if any) alternative governance practices were adopted in lieu of the recommendation during that period. The Company’s Corporate Governance Policies and Charters are available on the Company’s website at: https://deltalithium.com.au/corporate-governance/ CORPORATE GOVERNANCE PRINCIPLES AND RECOMMENDATIONS COMPLY (Yes/No) EXPLANATION 1. Lay solid foundations for management and oversight 1.1 Companies should have and disclose a board charter: (a) the respective roles and responsibilities of its board and management; and (b) those matters expressly reserved to the board and those delegated to management. Yes The Company has adopted a Board Charter that sets out the specific roles and responsibilities of the board of directors (Board), the Chair and management and includes a description of those matters expressly reserved to the Board and those delegated to management. The Board Charter sets out the specific responsibilities of the Board, requirements as to the Board’s composition, the roles and responsibilities of the Chairman and Company Secretary, the establishment, operation and management of Board Committees, Directors’ access to Company records and information, details of the Board’s relationship with management, details of the Board’s performance review and details of the Board’s disclosure policy. A copy of the Company’s Board Charter is available on the Company’s website. 1.2 Companies should: (a) undertake appropriate checks before appointing a person, or putting forward to security holders a candidate for election, as a director; and (b) provide security holders with all material information in its possession relevant to a decision on whether or not to elect or re-elect a director. Yes The Company has guidelines for the appointment and selection of the Board. The Company’s Nomination and Remuneration Committee Charter requires the Nomination and Remuneration Committee (to ensure appropriate checks (including checks in respect of character, experience, education, criminal record and bankruptcy history (as appropriate)) are undertaken before appointing a person, or putting forward to security holders a candidate for election, as a Director. Under the Nomination and Remuneration Committee Charter, all material information relevant to a decision on CORPORATE GOVERNANCE STATEMENT FOR THE YEAR ENDED 30 JUNE 2026 CORPORATE GOVERNANCE PRINCIPLES AND RECOMMENDATIONS COMPLY (Yes/No) EXPLANATION whether or not to elect or re-elect a Director must be provided to security holders in the Notice of Meeting containing the resolution to elect or re-elect a Director. Information in respect to each Directors experience, independence and qualifications are outlined in the Annual Report. 1.3 Companies should have a written agreement with each director and senior executive setting out the terms of their appointment. Yes As detailed in the Nomination and Remuneration Committee Charter, the Company requires each director and senior executive to execute a written agreement setting out the terms of their appointment. The Company has written agreements with each of its Directors and executive service agreements with key management personnel. 1.4 The company secretary should be accountable directly to the board, through the chair, on all matters to do with the proper functioning of the board. Yes The Board Charter outlines the roles, responsibility and accountability of the Company Secretary. The Company Secretary is accountable directly to the Board, through the Chair, on all matters to do with the proper functioning of the Board. 1.5 Companies should: (a) have a diversity policy which includes requirements for the board or a relevant committee of the board to set measurable objectives for achieving gender diversity and to assess annually both the objectives and the entity’s progress in achieving them; (b) disclose that policy or a summary of it; and (c) disclose as at the end of each reporting period the measurable objectives for achieving gender diversity set by the board or a relevant committee of the board in accordance with the entity’s diversity policy and its progress towards achieving them and either: (1) the respective proportions of men and women on the board, in senior executive positions and across the whole organisation (including how the entity has defined “senior Yes The Company has adopted a Diversity Policy which provides a framework for the Company to establish and achieve measurable diversity objectives, including in respect of gender diversity. The Diversity Policy allows the Board to set measurable gender diversity objectives if considered appropriate, and to assess annually both the objectives if any have been set and the Company’s progress in achieving them. No measurable objectives for the financial year ended 30 June 2026 (FY2026) were set. The Diversity Policy is available on the Company’s website. The respective proportions of men and women on the Board, key management personnel and across the whole organisation is outlined below: Male Female Directors 100% - Senior executives 100% - Other employees 63% 37% CORPORATE GOVERNANCE STATEMENT FOR THE YEAR ENDED 30 JUNE 2026 CORPORATE GOVERNANCE PRINCIPLES AND RECOMMENDATIONS COMPLY (Yes/No) EXPLANATION executive” for these purposes); or (2) if the entity is a “relevant employer” under the Workplace Gender Equality Act, the entity’s most recent “Gender Equality Indicators”, as defined in and published under that Act. If the entity was in the S&P / ASX 300 Index at the commencement of the reporting period, the measurable objective for achieving gender diversity in the composition of its board should be to have not less than 30% of its directors of each gender within a specified period. The Company was not in the S&P / ASX 300 Index at the commencement of the reporting period, 1.6 Companies should: (a) have and disclose a process for periodically evaluating the performance of the board, its committees; and (b) disclose for each reporting period whether a performance evaluation has been undertaken in accordance with that process during or in respect of that period. Yes The Nomination and Remuneration Committee, formed in FY2023, is responsible for evaluating the performance of the Board, its committees and individual Directors on an annual basis. It may do so with the aid of an independent advisor. The process for this is set out in the Company’s Board Charter, Nomination and Remuneration Committee Charter and Performance Evaluation Policy available on the Company’s website. An evaluation of the Board, its committees and individual directors is undertaken in accordance with the Nomination and Remuneration Committee Charter & Performance Evaluation Policy on a continuing and informal basis. The Board will review and assess the need to complete formal performance evaluations based on the Company’s current size and stage of development. 1.7 Companies should: (a) have and disclose a process for periodically evaluating the performance of its senior executives; and (b) disclose, in relation to each reporting period, whether a performance evaluation was undertaken in the reporting period in accordance with that process. Yes The Nomination and Remuneration Committee is responsible for evaluating the performance of its senior executives on an annual basis. The process for this is set out in the Company’s Board Charter, Nomination and Remuneration Committee Charter and Performance Evaluation Policy available on the Company’s website. Immediately following the end of FY2026, the Board conducted a formal review of its senior executives. A formal review of senior executives is expected to occur immediately following the end of FY2027. CORPORATE GOVERNANCE STATEMENT FOR THE YEAR ENDED 30 JUNE 2026 2. Structure the board to add value 2.1 The board should: (a) have a nomination committee which: (1) has at least three members, a majority of whom are independent directors; and (2) is chaired by an independent director, and disclose: (3) the charter of the committee; (4) the members of the committee; and (5) as at the end of each reporting period, the number of times the committee met throughout the period and the individual attendances of the members at those meetings; or (b) if it does not have a nomination committee, disclose that fact and the processes it employs to address board succession issues and to ensure that the board has the appropriate balance of skills, knowledge, experience, independence and diversity to enable it to discharge its duties and responsibilities effectively. Yes The Board has a separate Nomination and Remuneration Committee in compliance with Recommendation 2.1. The Board has Nomination and Remuneration Committee Charter which describes the role, composition, functions and responsibilities of the Nomination and Remuneration Committee. As required, the Nomination and Remuneration Committee will identify candidates and assess their skills in deciding whether an individual has the potential to add value to the Company. The Nomination and Remuneration Committee and the Board may also seek independent advice to assist with the identification process when necessary. During FY2026, the Nomination and Remuneration Committee had four members from 1 July to 28 April 2026 and 3 members from 28 April until 30 June 2026. Due to the composition of the Board the majority of the committee was not independent. The committee was chaired by an independent director, Mr Nader El Sayed up to 15 July 2025. From 15 July 2025 the committee was chaired by Mr Steve Kovac. A copy of the Nomination and Remuneration Committee Charter is available on the Company’s website. The number of times the Nomination and Remuneration Committee and the Board meets during a reporting period is detailed in the Company’s Annual Report to shareholders. 2.2 Companies should have and disclose a board skills matrix setting out the mix of skills and diversity that the board currently has or is looking to achieve in its membership. Yes The Company's Board in accordance with the Nomination and Remuneration Committee Charter is responsible for regularly reviewing the size, composition and skills of the Board to ensure that the Board is able to discharge its duties and responsibilities effectively and to identify any gaps in the skills or experience of the Board. Per the Company’s Board Charter, the Company discloses details of any board skills matrix it adopts as set out below. The Board considers its composition appropriate given the scope and size of the Company’s operations and the skills matrix of the existing Board members set out below. CORPORATE GOVERNANCE STATEMENT FOR THE YEAR ENDED 30 JUNE 2026 Skill / experience Number Senior Leadership 3 Mining and Exploration 3 Risk, Legal, Commercial and Corporate governance 3 Shareholders and Stakeholders 3 Corporate strategy 3 People and Culture 3 Sustainability 3 Finance and accounting 2 Business development 3 Geographic experience – WA 2 The skills, experience and expertise of each of the Company’s Directors are set out in the Directors’ Report. 2.3 Companies should disclose: (a) the names of the directors considered by the board to be independent directors; (b) if a director has an interest, position, association or relationship of the type described in Box 2.3 but the board is of the opinion that it does not compromise the independence of the director, the nature of the interest, position, association or relationship in question and an explanation of why the board is of that opinion; and (c) the length of service of each director. Yes The Company will continue to assess the independence of its directors against the requirements for independence in the Board Charter which reflects the independence criteria detailed in the ASX Corporate Governance Principles. The Board consisted of three directors at 30 June 2026. One of these directors was considered to be an independent director (Mr Nader El Sayed). Mr Croser as CEO and Managing Director is not considered independent. Mr Kovac was not considered independent being an employee and nominee of a substantial shareholder. The Company’s annual report provides details on the independence of each Director as well as the length of service of each Director. 2.4 A majority of the board should be independent directors. No While the Board does not have a majority of independent directors at the date of this statement, the Board considers its composition appropriate given the scope and size of the Company’s operations and the skills matrix of the existing Board members set out below The Board will continue to review its composition to take into account the scope and size of the Company’s operations and the skills needed to meet the Company’s objectives. 2.5 The chair of the board should be an independent director and, in particular, should not be the same person as the CEO. Yes At the date of this statement, Mr Nader El Sayed is the current Non-Executive Chair of the Board. He is not the same person as the CEO. CORPORATE GOVERNANCE STATEMENT FOR THE YEAR ENDED 30 JUNE 2026 Mr El Sayed is considered an independent director. Mr El Sayed assumed the Chair role on 25 November 2024. 2.6 Companies should have a program for inducting new directors and provide appropriate professional development opportunities for directors to develop and maintain the skills and knowledge needed to perform their role as directors effectively. Yes Upon appointment, new Directors will be subject to relevant induction procedures to provide the incoming individual with sufficient knowledge of the entity and its operating environment to enable them to fulfil their role effectively. In accordance with the Company’s Board Charter and the Nomination and Remuneration Committee Charter, the Board is responsible for the approval and review of induction and continuing professional development programs and procedures for Directors to ensure that they can effectively discharge their responsibilities. The Company Secretary is responsible for facilitating inductions and professional development. 3 Act ethically and responsibly 3.1 A listed entity should articulate and disclose its values. Yes The Board has articulated and disclosed its Statement of Values in accordance with Recommendation 3.1, as disclosed on the Company's website. https://deltalithium.com.au/corporate-governance 3.2 Companies should: (a) have a code of conduct for its directors, senior executives and employees; and (b) ensure that the board or a committee of the board is informed of any material breaches of that code. Yes The Company’s Corporate Code of Conduct applies to the Company’s Directors, senior executives and employees. Any material breaches should be disclosed to the Board. The Company’s Corporate Code of Conduct is available on the Company’s website. https://deltalithium.com.au/corporate-governance 3.3 A listed entity should: (a) have and disclose a whistle blower policy; and (b) ensure that the board or a committee of the board is informed of any material incidents reported under that policy. Yes The Company’s Whistle Blower Policy is available on the Company’s website. https://deltalithium.com.au/corporate- governance Any material breaches should be disclosed to the Board or to the Audit and Risk Committee or in its absence, the Board. 3.4 A listed entity should: Yes The Company’s Anti-Corruption and Anti-Bribery Policy is available on the Company’s website. CORPORATE GOVERNANCE STATEMENT FOR THE YEAR ENDED 30 JUNE 2026 (a) have and disclose an anti- bribery and corruption policy; and (b) ensure that the board or a committee of the board is informed of any material breaches of that policy. https://deltalithium.com.au/corporate-governance Any material breaches should be disclosed to the Board or to the Audit and Risk Committee or in its absence, the Board. 4 Safeguard integrity in corporate reporting 4.1 The board should: (a) have an audit committee which: (1) has at least three members, all of whom are non-executive directors and a majority of whom are independent directors; and (2) is chaired by an independent director, who is not the chair of the board, and disclose: (3) the charter of the committee; (4) the relevant qualifications and experience of the members of the committee; and (5) in relation to each reporting period, the number of times the committee met throughout the period and the individual attendances of the members at those meetings; or (b) if it does not have an audit committee, disclose that fact and the processes it employs that independently verify and safeguard the integrity of its corporate reporting, including the processes for the appointment and removal of the external auditor and the rotation of the audit engagement partner. Yes The Company has a separate Audit and Risk Committee. In addition, the Board has adopted an Audit and Risk Committee Charter which describes the role, composition, functions and responsibilities of the Audit and Risk Committee. Prior to the establishment of the Audit and Risk Committee the Board was responsible for such matters and discharged its responsibilities in accordance with the Audit and Risk Committee Charter. During FY2026, the Audit & Risk Committee had three members until 28 April 2026 with two members from this date until 30 June 2026. The committee consisted of a majority being independent until 15 July 2025 with Mr Tim Manners as Chair. From the 15 July 2025 the committee was chaired by an independent director Mr Nader El Sayed who is also Chair of the Company. Due to the size and composition of the Board the committee did not consist of a majority of independent Directors. The appointment and removal of the Company’s external auditor is subject to approval of the Board and the shareholders, and the Company’s current external auditors rotate the relevant audit engagement partner every five (5) years. The Board is of the view that the experience and professionalism of the persons on the Board and as of March 2023, the Audit and Risk Committee, are sufficient to ensure that all significant financial reporting matters are appropriately addressed and actioned. A copy of the Audit and Risk Committee Charter is available on the Company’s website. The number of times the Audit and Risk Committee and Board meets during a reporting period is detailed in the Company’s Annual Report to shareholders. 4.2 The board should, before it approves the entity’s financial statements for a financial period, receive from its CEO and CFO a declaration that, in their opinion, the financial records of the entity have been properly maintained Yes The Company’s Board Charter requires the CEO and CFO to provide a sign off on these terms. The CEO and CFO have provided a sign off to the Board for the FY2026 financial statements. CORPORATE GOVERNANCE STATEMENT FOR THE YEAR ENDED 30 JUNE 2026 and that the financial statements comply with the appropriate accounting standards and give a true and fair view of the financial position and performance of the entity and that the opinion has been formed on the basis of a sound system of risk management and internal control which is operating effectively. 4.3 A listed entity should disclose its process to verify the integrity of any periodic corporate report it releases to the market that is not audited or reviewed by an external auditor Yes Under the Company’s Audit and Risk Committee Charter, the Board, with the assistance of the Audit and Risk Committee, ensures that there is a process to verify the integrity of any periodic report it releases to the market that is not audited or reviewed by an external auditor. In addition, the Company’s Continuous Disclosure Policy outlines the processes in place to verify the integrity for unaudited periodic reports. 5 Make timely and balanced disclosure 5.1 A listed entity should have and disclose a written policy for complying with its continuous disclosure obligations under listing rule 3.1. Yes The Company is committed to taking a proactive approach to continuous disclosure and creating a culture within the Company that promotes and facilitates compliance with the Company's continuous disclosure obligations. The Company has adopted a written policy to ensure compliance with its continuous disclosure obligations. A copy this policy is available on the Company’s website. The Managing Director and the Company Secretary are responsible for co-ordinating the disclosure requirements. To ensure appropriate procedure all directors, officers and employees of the Company coordinate disclosures through the Managing Director and the Company Secretary. 5.2 A listed entity should ensure that its board receives copies of all material market announcements promptly after they have been made. Yes All members of the Board are required to provide their consent on each market sensitive announcement, prior to its release. It is specifically acknowledged that where a continuous disclosure obligation arises, disclosure cannot be delayed to accommodate the availability of Board members. It is the Company Secretary’s responsibility under the Company’s Continuous Disclosure Policy to ensure that the Board receives copies of all material market announcements promptly after they have been released. 5.3 A listed entity that gives a new and substantive investor or analyst presentation should release a copy of the presentation materials on the ASX Yes It is the Company Secretary’s responsibility under the Company’s Continuous Disclosure Policy to ensure that the Company makes timely disclosure of any presentation to new and substantive investors or analysts irrespective of CORPORATE GOVERNANCE STATEMENT FOR THE YEAR ENDED 30 JUNE 2026 Market Announcements Platform ahead of the presentation. whether the information contained in it is material. This is to ensure the equality of information among investors. 6 Respect the rights of security holders 6.1 Companies should provide information about itself and its governance to investors via its website. Yes The Company’s website https://deltalithium.com.au provides information about the Company including information relevant to investors including the Company’s Corporate Governance Policies and Charters, Constitution, ASX Announcements, Financial Report and Directors/Management. 6.2 Companies should design and implement an investor relations program to facilitate effective two-way communication with investors. Yes The Company has adopted a Shareholder Communications Strategy which aims to promote and facilitate effective two- way communication with investors, and outlines a range of ways in which information is communicated to shareholders. and is available on the Company’s website. During FY2025 the Company implemented an InvestorHub to better engage with shareholders and give shareholders greater access to management and the Board. 6.3 Companies should disclose the policies and processes it has in place to facilitate and encourage participation at meetings of security holders. Yes Shareholders are encouraged and entitled to participate at all general meetings and AGMs of the Company. Refer to the Company’s Shareholder Communications Strategy available on the Company’s website. 6.4. A listed entity should ensure that all substantive resolutions at a meeting of security holders are decided by a poll rather than by a show of hands. Yes As part of the Shareholder Communications Strategy, the Company ensures that all substantive resolutions at a meeting of shareholders are decided by poll. 6.5 Companies should give security holders the option to receive communications from, and send communications to, the entity and its security registry electronically. Yes The Company’s share register is currently maintained by Computershare. Shareholders have the option of receiving shareholder communications from the Company and Computershare electronically, unless an original signature or documents is required. Shareholders can register on the Company’s website to receive email notifications when an announcement is made by the Company to the ASX, including the release of the Annual Report, half yearly reports and quarterly reports. 7 Recognise and manage risk 7.1 Companies should: (a) have a committee or committees to oversee risk, each of which: Yes The Board has established a separate Audit and Risk Committee. In addition, the Board has adopted an Audit and Risk Committee Charter which describes the role, composition, functions and responsibilities of the Audit and Risk Committee. Prior to the establishment of the Audit and CORPORATE GOVERNANCE STATEMENT FOR THE YEAR ENDED 30 JUNE 2026 (1) has at least three members, a majority of whom are independent directors; and (2) is chaired by an independent director, and disclose: (3) the charter of the committee; (4) the members of the committee; and (5) as at the end of each reporting period, the number of times the committee met throughout the period and the individual attendances of the members at those meetings; or (b) if it does not have a risk committee or committees that satisfy (a) above, disclose that fact and the processes it employs for overseeing the entity’s risk management framework. Risk Committee the Board was responsible for such matters and discharged its responsibilities in accordance with the Audit and Risk Committee Charter. During FY2026, the Audit & Risk Committee had three members until 28 April 2026 with two members from this date until 30 June 2026. The committee consisted of a majority being independent until 15 July 2025 with Mr Tim Manners as Chair. From the 15 July 2025 to the end of the financial year the committee was chaired by an independent director Mr Nader El Sayed who is also Chair of the Company. Due to the size and composition of the Board the committee did not consist of a majority of independent directors. In conjunction with the other corporate governance policies, the Company has adopted a Risk Management Policy which is designed to assist the Company to identify, assess, monitor and manage its business risk, including any material changes to its risk profile. At this time, the Board is responsible for ensuring that the Company maintains effective risk management and internal control systems and processes. A copy of the Audit & Risk Committee Charter and the Company’s Risk Management Policy are available on the Company’s website. The number of times the Audit & Risk Committee and the Board meets during a reporting period is detailed in the Company’s Annual Report to shareholders. 7.2 The board or a committee of the board should: (a) review the entity’s risk management framework at least annually to satisfy itself that it continues to be sound; and (b) disclose, in relation to each reporting period, whether such a review has taken place. Yes The Audit and Risk Committee Charter & Risk Management Policy requires that the Audit and Risk Committee (or, in its absence, the Board), at least annually, satisfies itself that the Company’s risk management framework continues to be sound. During FY2026, the Board completed a risk assessment review. The Board will continue review the key risks facing the Company on an ongoing basis. Operational risk assessments are, in the normal course of business, completed on a daily basis. 7.3 Companies should disclose: (a) if it has an internal audit function, how the function is structured and what role it performs; or (b) if it does not have an internal audit function, that fact and the processes it employs for evaluating and continually Yes The Audit and Risk Committee Charter provides for the Audit and Risk Committee to monitor the need for an internal audit function. As at 30 June 2026 the Company did not have an internal audit function for the past financial period given the stage and size of the Company’s operations. CORPORATE GOVERNANCE STATEMENT FOR THE YEAR ENDED 30 JUNE 2026 improving the effectiveness of its risk management and internal control processes. The Audit and Risk Committee is responsible for ensuring that sound risk management policies are in place for the Company, and reporting to the Board as appropriate. The Board has delegated responsibility for establishing and maintaining effective management strategies for material business risk to Management. The Board requires that Management reports regularly as to the effectiveness of the Group’s risk management systems. The Board recognises that no cost effective internal control system will preclude all errors and irregularities. The Board of Directors reviews the business and financial risk management systems and internal control systems implemented by Management to obtain reasonable assurance that the entity’s assets are safeguarded and that the reliability and integrity of its financial information is maintained. 7.4 Companies should disclose whether it has any material exposure to economic, environmental and social sustainability risks and, if it does, how it manages or intends to manage those risks. Yes The Audit and Risk Committee Charter requires the Audit and Risk Committee to assist Management to determine whether the Company has any material exposure to economic, environmental and social sustainability risks