Illing Initial Officer Disclosure 25 June 2024

Initial Disclosure Notice Disclosure of Directors and Senior Managers Relevant Interests Sections 297(1) and 298(1), Financial Markets Conduct Act 2013 To NZX Limited; and Name of listed issuer: Mainfreight Limited Date this disclosure made: 25-Jun-24 Date on which issuer listed or appointment made: 1-Jul-24 Director or senior manager giving disclosure Full name: Graeme Illing Name of listed issuer: Mainfreight Limited Name of related body corporate (if applicable): Position held in listed issuer: CFO effective 1 July 2024 Summary of relevant interest (excluding specified derivatives) Class of quoted financial product: Ordinary Shares Nature of relevant interest: Owned Number held in class: 13,000 Current registered holder: Graeme & Maree Illing Certification I certify that, to the best of my knowledge and belief, the information contained in this disclosure is correct and that I am duly authorised to make this disclosure by all persons for whom it is made. Signature of director or officer: Date of signature: or Signature of person authorised to sign on behalf of director or officer: Date of signature: 25-Jun-24 Name and title of authorised person: Tim Williams CFO exiting