David Kirske - 26 Jun 2023 Form 4 Insider Report for CTI BIOPHARMA CORP

Footnote F1

Includes 420 shares of common stock of the Issuer ("Company Common Stock") purchased by the Reporting Person pursuant to the Issuer's Employee Stock Purchase Plan prior to the date of this Form 4.

Footnote F2

This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the "Merger Agreement"), dated as of May 10, 2023, by and among the Issuer, Swedish Orphan Biovitrum AB (publ) ("Parent"), and Cleopatra Acquisition Corp., an indirect wholly owned subsidiary of Parent ("Purchaser"), pursuant to which Purchaser completed a tender offer for shares of Company Common Stock and thereafter merged with and into the Issuer, effective as of June 26, 2023 (the "Effective Time"). At the Effective Time, each issued and outstanding share of Company Common Stock was cancelled and converted into the right to receive $9.10 in cash (the "Offer Price") without interest and subject to applicable withholding taxes.

Footnote F3

Pursuant to the Merger Agreement, each option to purchase shares of Company Common Stock that was outstanding immediately prior to the Effective Time, whether or not vested, with an exercise price that was less than the Offer Price, terminated and was cancelled immediately prior to the Effective Time and converted into the right to receive a cash payment (without interest, and less any applicable withholding taxes) equal to (A) the excess of (x) the Offer Price over (y) the exercise price payable per share of Company Common Stock under such option, multiplied by (B) the total number of shares of Company Common Stock subject to such option.