Isaiah Hartenstein is set to sign a three-year contract extension with the Oklahoma City Thunder, reports cite. Multiple outlets say the deal is worth $75 million over the added term. The agreement comes after speculation about his future, with reporting indicating he is staying in Oklahoma City rather than departing.

According to sources relayed by outlets covering the negotiations, the Thunder and Hartenstein reach the agreement in a process connected to a prior team option situation. One report notes that he would have had a team option for the following season, and instead the parties add three more years and about $75 million.

The AP-related reporting describes the terms as agreed upon and characterizes the move as Oklahoma City locking in its center. Thunder leadership is also quoted as praising Hartenstein’s play following the most recent season. Background reporting across the articles also places Hartenstein’s NBA career history with several teams before joining the Thunder, including stints with the New York Knicks and others.