PALM BEACH, Fla. -- The Green Bay Packers have received the maximum number of extra draft picks available to teams through the NFL's compensatory draft program, while the Minnesota Vikings have received two.

That's our local upshot of Monday's always-anticipated announcement of compensatory draft picks. The Packers got four extra picks and will now have 12 in next month's draft, while the Vikings will have a total of 10. Neither the Chicago Bears nor the Detroit Lions were expected to receive a compensatory pick.

The NFL doesn't reveal its exact formula for determining the extra picks, but in essence it's based on the difference in value between the free agents a team loses and the ones it signs the previous year. In 2011, the Packers bid farewell to free agents Daryn Colledge, Brandon Jackson and Cullen Jenkins, among others, and did not sign a significant free agent of their own.

The formula granted the Packers two fourth-round picks and two additional seventh-rounders. The Packers' total of 12 picks includes three in the fourth round and four in the seventh.

Meanwhile, the Vikings received two fourth-round picks, No. 33 and No. 39 in the round, after losing receiver Sidney Rice, quarterback Tarvaris Jackson and defensive end Ray Edwards in 2011. They signed nose tackle Remi Ayodele, but he made little impact.