Peter A. Feld - 04 Jan 2022 Form 4 Insider Report for MAGELLAN HEALTH INC

Footnote F1

In connection with the consummation of the transactions contemplated by the Agreement and Plan of Merger, dated as of January 4, 2021 (the "Merger Agreement"), by and among the Issuer, Centene Corporation ("Centene") and Mayflower Merger Sub, Inc. ("Merger Sub"), pursuant to which Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving the Merger as a wholly owned subsidiary of Centene, each share of the Issuer's common stock, par value $0.01 per share (the "Common Stock") outstanding immediately prior to the effective time of the Merger and not otherwise excluded pursuant to the terms of the Merger Agreement was disposed of in exchange for $95.00 per share in cash, without interest (the "Merger Consideration").

Footnote F2

Includes 2,911 restricted shares of Common Stock. In accordance with the terms of the Merger Agreement, at the effective time of the Merger, each of these restricted shares of Common Stock was automatically cancelled and converted into the right to receive the Merger Consideration.

Footnote F3

Securities owned directly by Starboard Value and Opportunity Master Fund Ltd ("Starboard V&O Fund"). The Reporting Person, solely by virtue of his position as a member of the Management Committee of Starboard Value GP LLC ("Starboard Value GP"), the general partner of the investment manager of Starboard V&O Fund, and as a member and member of the Management Committee of Starboard Principal Co GP LLC ("Principal GP"), the general partner of the member of Starboard Value GP, may be deemed to beneficially own the securities directly held by Starboard V&O Fund for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"). The Reporting Person expressly disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

Footnote F4

Securities owned directly by Starboard Value and Opportunity S LLC ("Starboard S LLC"). The Reporting Person, solely by virtue of his position as a member of the Management Committee of Starboard Value GP, the general partner of the manager of Starboard S LLC, and as a member and member of the Management Committee of Principal GP, the general partner of the member of Starboard Value GP, may be deemed to beneficially own the securities directly held by Starboard S LLC for purposes of Section 16. The Reporting Person expressly disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

Footnote F5

Securities owned directly by Starboard Value and Opportunity C LP ("Starboard C LP"). The Reporting Person, solely by virtue of his position as a member of the Management Committee of Starboard Value GP, the general partner of the investment manager of Starboard C LP, and as a member and member of the Management Committee of Principal GP, the general partner of the member of Starboard Value GP, may be deemed to beneficially own the securities directly held by Starboard C LP for purposes of Section 16. The Reporting Person expressly disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

Footnote F6

Securities owned directly by Starboard Value and Opportunity Master Fund L LP ("Starboard L Master"). The Reporting Person, solely by virtue of his position as a member of the Management Committee of Starboard Value GP, the general partner of the investment manager of Starboard L Master, and as a member and member of the Management Committee of Principal GP, the general partner of the member of Starboard Value GP, may be deemed to beneficially own the securities directly held by Starboard L Master for purposes of Section 16. The Reporting Person expressly disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

Footnote F7

Securities beneficially owned by Starboard X Master Fund Ltd ("Starboard X Master"). The Reporting Person, solely by virtue of his position as a member of the Management Committee of Starboard Value GP, the general partner of the investment manager of Starboard X Master, and as a member of the Management Committee of Principal GP, the general partner of the member of Starboard Value GP, may be deemed to beneficially own the securities directly held by Starboard X Master for purposes of Section 16. The Reporting Person expressly disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

Footnote F8

Securities held in a certain account managed by Starboard Value LP (the "Starboard Value LP Account"). The Reporting Person, solely by virtue of his position as a member of the Management Committee of Starboard Value GP, the general partner of Starboard Value LP, and as a member and member of the Management Committee of Principal GP, the general partner of the member of Starboard Value GP, may be deemed to beneficially own the securities held in the Starboard Value LP Account for purposes of Section 16. The Reporting Person expressly disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.