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OPTIMAL COMMUNICATIONS SMSF PTY LTD KP SUMNER PTY LTD DSMBJ PTY LTD COMBAT DIGITAL PTY LTD SEARLE'S CATTLE TRANSPORT PTY LTD J & B PATRICK PTY LTD TOOLE SUPER PTY LTD ASTARA TRADING PTY LTD JCB SUPERANNUATION INVESTMENTS PTY LTD JA ELLESMERE PTY LIMITED JONNY ROX PTY LTD DYNAMO-TECH PTY LTD C & A OAKLEY PTY LTD ARKADIA FUTURE FUND PTY LIMITED BULGUARD X PTY LTD JM STEPHENS NOMINEES PTY LTD 5X5 PTY LTD OPTIMAL COMMUNICATIONS INVESTMENTS PTY LTD SENTARIS PTY LTD SOLAR KEYS PTY LTD