"We have not terminated our contract (with the International Association of Athletics Federations),” Herbert Hainer told a news conference to present his company's annual results.
"The IAAF (the athletic body) knows exactly where we are going with our policy in terms of doping. We are in very close contact with the IAAF and will watch very closely what they are doing with this problem."
In January, the BBC reported that Adidas, the biggest sponsor of the IAAF, was ending its deal early after an independent report found Russia had engaged in widespread, state-sponsored doping, which former IAAF president Lamine Diack has been accused of covering up in return for bribes.
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Hainer welcomed reforms adopted last week at world football body FIFA to help overcome its corruption scandal, saying Adidas, along with other sponsors, were working to make sure the reforms are put into practice.
(Reporting by Emma Thomasson; editing by Jeremy Gaunt)
