On January 6, 2022, Pentwater Capital Management LP , the largest minority shareholder of
Turquoise Hill Resources Ltd. , sent the following letter to Ngaire Woods, member of the Board of the Directors of
Rio Tinto Plc , outlining continued corporate governance failures at Rio Tinto. On January 7, 2022, Rio Tinto's attorney responded that neither Ms. Woods nor any other Rio Tinto board member would respond to
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