Plested Director Disclosure 21 December 2022

Ongoing Disclosure Notice Disclosure of Directors and Senior Managers Relevant Interests Sections 297(2) and 298(2), Financial Markets Conduct Act 2013 To NZX Limited; and Name of listed issuer: Mainfreight Limited Date this disclosure made: 21-Dec-22 Date of last disclosure: 25-Oct-22 Director or senior manager giving disclosure Full name(s): Bruce Plested Name of listed issuer: Mainfreight Limited Name of related body corporate (if applicable): Position held in listed issuer: Chairman Summary of acquisition or disposal of relevant interest (excluding specified derivatives) Class of affected quoted financial products: Ordinary Shares Nature of the affected relevant interest(s): Owned For that relevant interest- Number held in class before acquisition or disposal: 14,910,062 Number held in class after acquisition or disposal: 14,927,062 Current registered holder(s): Rorohara Trust / Bruce Plested Registered holder(s) once transfers are registered: Rorohara Trust / Bruce Plested Details of transactions giving rise to acquisition or disposal Total number of transactions to which notice relates: 1 Details of transactions requiring disclosure- Date of transaction: 20-Dec-22 Nature of transaction: On Market Purchase Name of any other party or parties to the transaction (if known): Unknown The consideration, expressed in New Zealand dollars, paid or received for the acquisition or disposal. If the consideration was not in cash and cannot be readily by converted into a cash value, describe the consideration: $68.06 per share Number of financial products to which the transaction related: 17,000 If the issuer has a financial products trading policy that prohibits directors or senior managers from trading during any period without written clearance (a closed period) include the following details-- Whether relevant interests were acquired or disposed of during a closed period: Yes Whether prior written clearance was provided to allow the acquisition or disposal to proceed during the closed period: Yes Date of the prior written clearance (if any): 19-Dec-22 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: 21-Dec-22 Name and title of authorised person: Tim Williams CFO End CA:00404464 For:MFT Type:SHINTR Time:2022-12-21 08:54:41