Item 1.01 Entry into a Material Definitive Agreement.
As previously disclosed, on September 3, 2018 MannKind Corporation (the Company) entered into an exclusive global license and
collaboration agreement (the License Agreement) with United Therapeutics Corporation, pursuant to which, among other things, the Company will receive an upfront payment of $45 million within 10 business days following the
effectiveness of the License Agreement (the Upfront Payment). The effectiveness of the License Agreement is conditioned upon expiration or termination of the required waiting period under the Hart-Scott-Rodino Antitrust Improvements Act.
On September 26, 2018, the Company and MannKind LLC, the Companys wholly owned subsidiary, entered into a Tenth Amendment to
Facility Agreement (the Deerfield Amendment) with Deerfield Private Design Fund II, L.P. and Deerfield Private Design International II, L.P. (Deerfield), pursuant to which the parties amended the Companys Facility
Agreement, dated July 1, 2013, as amended (the Facility Agreement), to, among other things, (i) defer the payment of $3.0 million in principal amount of the Tranche 4 Notes issued under the Facility Agreement from
September 30, 2018 to the earlier of October 31, 2018 and the first business day following the date the Company or any of its subsidiaries receives the Upfront Payment, (ii) provide that the payment of accrued and unpaid interest on
the notes issued under the Facility Agreement (the Deerfield Notes) that is due and payable for the quarter ending September 30, 2018 shall be deferred to, and shall be due and payable on, the earlier of October 31, 2018 and
the first business day following the date the Company or any of its subsidiaries receives the Upfront Payment and (iii) modify the Companys financial covenant under the Facility Agreement, which generally obligates the Company to maintain
at least $25 million in cash and cash equivalents on the last day of each fiscal quarter, by removing the financial covenant for the fiscal quarter ending September 30, 2018, reducing the amount of cash and cash equivalents required to be
maintained as of December 31, 2018 to $20 million, and requiring the Company to maintain at least $20 million in cash and cash equivalents as of October 31, 2018.
The foregoing description of the Deerfield Amendment and the License Agreement does not purport to be complete and is qualified in its
entirety by reference to the Deerfield Amendment, a copy of which is attached as Exhibit 99.1 to this report, and the License Agreement, dated as of September 3, 2018, a copy of which will be filed as an exhibit to the Companys quarterly
report
on Form 10-Q for
the quarter ending September 30, 2018.