 WESTLAKE VILLAGE, Calif., March 16, 2021 GLOBE NEWSWIRE -- MannKind Corporation Nasdaq: MNKD today announced that on March 15, 2021 it issued an additional 30.0 million aggregate principal amount of 2.50 Convertible Senior Notes due 2026 the notes pursuant to the exercise in full of the initial purchasers option in connection with MannKinds previously-announced private placement the offering to qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended the Securities Act. After giving effect to the additional sale of notes pursuant to the exercise in full of the initial purchasers option, MannKind estimates that the total net proceeds from the offering were approximately 222.9 million, after deducting the initial purchasers discounts and commissions and estimated offering expenses. 