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> VOTING INSTRUCTIONS

ⓘ Special Meeting of Robex Resources Shareholders to be held on December 15, 2025, at 8:00 a.m. (Eastern Time) and 9:00 p.m. (Australian Western Standard Time)

YOUR VOTE IS IMPORTANT. PLEASE VOTE TODAY.

THE BOARD OF DIRECTORS OF ROBEX RESOURCES INC. UNANIMOUSLY RECOMMEND THAT SHAREHOLDERS VOTE FOR THE ARRANGEMENT RESOLUTION
Vote FOR the Arrangement Resolution in connection with Robex Resources Inc.’s proposed plan of arrangement with Predictive Discovery Limited

> VOTING INSTRUCTIONS

VOTING
METHOD
BENEFICIAL SHAREHOLDERS
(not including CDI holders)
Shares held with a broker, bank, or other intermediary.
REGISTERED SHAREHOLDERS
Shares held in own name and represented by a physical certificate or DRS.
CDI HOLDERS
Outstanding CHESS Depositary Interests representing a unit of beneficial ownership in a Robex Share
OnlineGo to www.proxyvote.com.
Enter the 16-digit control number printed on your voting instruction form and follow the instructions on the screen.
Go to www.investorvote.com.
Enter the 15-digit control number printed on your form of proxy and follow the instructions on screen.
Go to www.investorvote.com.au to vote your CDIs.
PhoneCall the toll-free number listed on your Voting Instruction Form (VIF) and vote using the control number provided therein.1-866-732-VOTE (8683)Fax your signed and completed Voting Instruction Form to 1800 783 447 (within Australia) or +61 39473 2555 (outside Australia).
MailComplete, date and sign the voting instruction form and return it in the enclosed postage paid envelope.Complete, date and sign Management’s form of proxy and return it in the enclosed postage paid envelope to:
Computershare Investor Services Inc.
320 Bay Street, 14th Floor, Toronto, ON
M5H 4A6
Complete, date and sign the voting instruction form and return it to:
Computershare Investor Services Pty Limited
GPO Box 242
Melbourne, Victoria, 3001
Australia

> SHAREHOLDER QUESTIONS

Shareholders who have questions or need assistance with voting their securities may contact Robex Resources Inc.’s proxy solicitation agent and shareholder communications advisor:

Laurel Hill Advisory Group:
North American Toll Free: 1-877-452-7184
Outside North America: 416-304-0211
Text Messages: 416-304-0211
Email: assistance@laurelhill.com