Vanguard Group's Disclosure on Rio Tinto Interests

The Vanguard Group, Inc. has submitted Form 8.3 concerning its stake in Rio Tinto plc and Rio Tinto Limited. This form, filed in accordance with Rule 8.3 of the UK Takeover Code, reveals that Vanguard holds significant positions in both entities. As of February 3, 2026, Vanguard's interests in Rio Tinto plc account for 4.46% of relevant securities, while its stake in Rio Tinto Limited is 6.82%.

Recent trading activity includes purchases of 28,109 Rio Tinto plc shares at 70.38 GBP per unit and sales of 1,302 Rio Tinto Limited shares at 152.87 AUD each. Additionally, the disclosure encompasses dealings with Glencore plc, another party connected to the offer.

This transparency is crucial for market participants and complies with regulatory requirements under the UK Takeover Code.