Company: RTNTF
Filing Date: 2025-03-10
Form Type: 424B2
Source: 0001104659-25-022024
Chunk: 105

Company: RIO TINTO LTD
Filing Date: 2025-03-10
Form: 424B2
Chunk 105
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 securities will not be subject to Australian IWT provided (as is expected) that Rio Tinto Finance (USA) Inc. does not carry on business in Australia through an Australian Establishment.

#### Payments under the Guarantee
IWT at the rate of 10% may be payable on payments of interest, or interest paid on an overdue amount, by Rio Tinto Limited pursuant to its guarantee of RTL Debt Securities, RTP Debt Securities or RTI Debt Securities to United States holders (other than those holding the debt securities in the course of carrying on a business at or through an Australian Establishment).

Whether payments under the guarantee would be interest for withholding tax purposes is not clear. The Australian Taxation Office’s ruling, as reflected in Taxation Determination TD 1999/26, is that such payments under a guarantee would be interest for withholding tax purposes. However, that Determination also states that guarantee payments would be treated as exempt from withholding tax under Section 128F if the requirements of that section are satisfied. Therefore, if the requirements of Section 128F as described above are satisfied in relation to the debt securities, interest withholding tax should not be payable in relation to the guarantee payments.

IWT will not be payable on payments by Rio Tinto plc pursuant to its guarantee of RTP Debt Securities, RTL Debt Securities or RTI Debt Securities to United States holders provided Rio Tinto plc does not carry on business in Australia at or through an Australian Establishment (which is not presently expected to be the case).

#### Gains on Disposal
Under existing Australian law, United States holders of RTL Debt Securities, RTP Debt Securities or RTI Debt Securities will not be subject to Australian income tax on gains arising from a disposal of debt securities (including a disposal by way of redemption) provided that the gains do not have an Australian source.

The source of any gain on disposal of debt securities will depend on the factual circumstances of the disposal. Where the disposal occurs by way of a sale to a third party, then provided the debt securities are acquired and sold pursuant to contractual arrangements entered into and concluded outside Australia, and the seller and the purchaser are non-residents of Australia and do not have Australian Establishments, a gain will not be regarded as having an Australian source. Where disposal occurs by way of redemption by the issuer then, in the absence of special circumstances, a gain on redemption will not be regarded as having an Australian source.

There are specific rules (Section 128AA of the Australian Tax Act) that can apply to treat a portion of the sale price of