X0306 4 2020-08-27 0 0000899460 MANNKIND CORP MNKD 0001665811 Alinaya Rosabel Realica 30930 RUSSELL RANCH ROAD SUITE 300 WESTLAKE VILLAGE CA 91362 0 1 0 0 VP, IR & Treasury Restricted Stock Unit 2020-08-27 4 A 0 59000 0.00 A 96119 D Restricted Stock Unit 2020-08-27 4 A 0 71000 0.00 A 167119 D Each restricted stock unit represents a contingent right to receive one share of MNKD common stock. Acquired pursuant to a Restricted Stock Unit Award: 25% vest on each year annivesary of the vesting determination date and 25% each anniversary thereafter; shares shall fully vest on the fourth year anniversary of the vesting determination date. The restricted stock unit will vest on May 22, 2023 provided that the closing price of MannKind common stock on such vesting date is not less than the closing price on August 27, 2020. The number of shares delivered on the vesting date, as a percentage of the target specified in Box 4 above, is determined by the percentile ranking of MannKind total shareholder return (TSR) over the period from August 27, 2020 until May 22, 2023 related to the TSR of the Russell 3000 Pharmaceutical & Biotechnology Index over the same period, as follows: less than 25th percentile=0% of target, 25th percentile=50% of target, 50th percentile=100% of target, 75th percentile=200% percent of target, 90th percentile or higher=300% maximum. Payout values will be interpolated between the percentile rankings above. /s/ Rosabel R. Alinaya 2020-08-31