121The Court has therefore held that the exchange of information between competitors is liable to be incompatible with the competition rules if it reduces or removes the degree of uncertainty as to the operation of the market in question, with the result that competition between undertakings is restricted (judgments in Thyssen Stahl v Commission, C‑194/99 P, EU:C:2003:527, paragraph 86, and T-Mobile Netherlands and Others, C‑8/08, EU:C:2009:343, paragraph 35 and the case law cited).
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