TELSTRA GROUP LIMITED — Regulatory Filings 2007

Jul 16, 2007

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17 July 2007

The Manager

Company Announcements Office Australian Stock Exchange 4[th] Floor, 20 Bridge Street SYDNEY NSW 2000

Office of the Company Secretary

Level 41 242 Exhibition Street MELBOURNE VIC 3000 AUSTRALIA

Telephone 03 9634 6400 Facsimile 03 9632 3215

ELECTRONIC LODGEMENT

Dear Sir or Madam

Decrease in Telstra Instalment Receipts on Issue

Telstra advises that as a result of prepayments of Instalment Receipts in May, June and July 2007 and a further transfer of shares from the Telstra Sale Company Limited to the Future Fund the total number of instalment receipts (TLSCA) on issue now stands at 4,124,869,296. The shares transferred by the Telstra Sale Company Limited represented a small amount of “buffer stock” held in order to address any discrepancies arising out of the T3 sale process.

Please note that no new Telstra (TLS) securities have been issued.

Yours sincerely

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Douglas Gration Company Secretary

Telstra Corporation Limited ACN 051 775 556 ABN 33 051 775 556