Corporate Governance

The Board of Directors of MannKind Corporation (the “Company”) sets high standards for the Company’s employees, officers and directors. Implicit in this philosophy is the importance of sound corporate governance. It is the duty of the Board of Directors to serve as a prudent fiduciary for shareholders and to oversee the management of the Company’s business. To fulfill its responsibilities and to discharge its duty, the Board of Directors follows the procedures and standards that are set forth in these guidelines. These guidelines are subject to modification from time to time as the Board of Directors deems appropriate in the best interests of the Company or as required by applicable laws and regulations.

*On February 10, 2026, MannKind Corporation’s Code of Business Conduct and Ethics was amended to, among other things, (i) list specific additional categories of information that may not be shared with competitors pursuant to antitrust laws, (ii) list specific additional categories of direct or indirect financial benefit that a covered person must consider in connection with potential conflicts of interest, (iii) specify additional restricted activity that could jeopardize the integrity of the Company’s records and public disclosures, (iv) specify additional obligations related to fair dealing, and (v) clarify that misconduct that relates to questionable accounting or auditing matters under MannKind’s Policy of Raising Questions and Reporting Concerns or Misconduct may be reported pursuant to such policy.