X0609 4 2026-09-23 1 0001583107 Theravance Biopharma, Inc. TBPH 0001357550 Weiss Asset Management LP false 222 BERKELEY STREET, 16TH FLOOR BOSTON MA 02116 0 0 0 1 Former 10% Owner 0001357643 WEISS ANDREW M false 222 BERKELEY STREET, 16TH FLOOR BOSTON MA 02116 0 0 0 1 Former 10% Owner 0001504664 WAM GP LLC false 222 BERKELEY STREET, 16TH FLOOR BOSTON MA 02116 0 0 0 1 Former 10% Owner 0 Ordinary Share $0.00001 Par Value 2026-09-23 4 J 0 7457060 17 D 0 I See Footnote 2 On September 23, 2026, pursuant to that certain Agreement and Plan of Merger (the "Merger Agreement"), dated June 28, 2026, by and among the Issuer, Zymeworks Inc. ("Parent"), and Zymeworks Merger Sub 1, a wholly owned subsidiary of Parent, the Issuer became a wholly owned subsidiary of Parent (the "Merger"). At the effective time of the Merger (the "Effective Time"), pursuant to the Merger Agreement, each Ordinary Share $0.00001 Par Value of the Issuer held by the reporting person as of immediately prior to the Effective Time was cancelled and converted into the right to receive (i) $17.00 in cash, without interest (the "Per Share Cash Consideration") and (ii) one contingent value right (a "CVR"). Each CVR represents a non-tradeable contractual contingent right to receive cash payments based on the achievement of certain commercial milestones following the Effective Time. Shares reported herein represent shares beneficially owned by two private investment funds for which Weiss Asset Management LP serves as investment manager. WAM GP LLC is the general partner of Weiss Asset Management LP and Andrew Weiss is the Manager of WAM GP LLC. All of Weiss Asset Management LP, WAM GP LLC, and Andrew Weiss disclaim beneficial ownership of the shares reported herein except to the extent of their pecuniary interest therein. Represents the cash portion of the consideration paid to shareholders upon the closing of the Merger. Georgiy Nikitin, Chief Compliance Officer, Weiss Asset Management LP and WAM GP LLC 2026-09-28 Georgiy Nikitin, duly authorized under a power of attorney by Andrew M. Weiss 2026-09-28