*UPDATE* Acquisition | NEXTIER OILFIELD SOLUTIONS INC | 1st September 2023

Due to the acquisition of NEXTIER OILFIELD SOLUTIONS INC by PATTERSON-UTI ENERGY INC, the following treatment will be applied to the following indices:

• NEXTIER OILFIELD SOLUTIONS INC will be removed from the Index.
• The shares of PATTERSON-UTI ENERGY INC (PTEN.OQ) will be increased according to the stock terms of the transaction.
• Effective Date (open): 01/09/2023

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