The Nets have exercised the contract options on center Brook Lopez and swingman Terrence Williams for next season.

General manager Billy King said Tuesday the Nets picked up the fourth-year option on Lopez’s deal and the third-year option for Williams.

Lopez will earn $3.0 million in 2011-12, while Williams will get $2.3 million.

The 10th pick overall in 2008, Lopez averaged team-highs with 18.8 points, 8.6 rebounds and 1.70 blocks last season.

Williams, the 11th choice overall in 2009, averaged 8.4 points 4.5 rebounds and 2.9 assists as a rookie.