X0306 4 2020-09-18 0 0001157408 K12 INC LRN 0001259955 DAVIS NATHANIEL A 2300 CORPORATE PARK DRIVE HERNDON VA 20171 1 1 0 0 Chairman and CEO Common Stock 2020-09-18 4 F 0 10434 27.21 D 332132 D Common Stock 458674 I Nathaniel A Davis Revocable Trust Represents the number of shares withheld by the Company upon the vesting of restricted shares to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of K12 common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of K12 common stock on the most recent prior market day. /s/ John C. Grothaus, attorney-in-fact 2020-09-22