Company: HURA
Filing Date: 2025-05-23
Form Type: 424B3
Source: 0001193125-25-125499
Chunk: 872

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-05-23
Form: 424B3
Chunk 872
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ially in the form attached hereto as (the “”);

WHEREAS, as a condition to and inducement to Company’s willingness to enter into this Agreement, simultaneously with the execution of
this Agreement, all of the members of the board of directors of Parent and Parent’s chief executive officer and chief financial officer are entering into support agreements with the Company, substantially in the form attached hereto as
(the “”);

WHEREAS, as a
condition to and inducement to Parent’s and the Merger Subs willingness to enter into this Agreement, simultaneously with the execution of this Agreement, all of the members of the Company Board and the Company’s executive officers,
including each of their Affiliates which hold Shares (as defined below), are

entering into lock-up agreements with Parent and the Merger Subs, substantially in the form attached hereto as (the “”); and

WHEREAS, Parent, the Merger Subs and the Company desire to make
certain representations, warranties, covenants and agreements in connection with this Agreement.

AGREEMENT

NOW, THEREFORE, in consideration of the foregoing and the premises, and of the representations, warranties, covenants and agreements contained
herein, and intending to be legally bound hereby, upon the terms and subject to the conditions set forth herein, Parent, the Merger Subs and the Company hereby agree as follows:

ARTICLE I

THE MERGERS

Section 1.1 . Upon the terms and subject to the conditions set forth in this Agreement and in
accordance with the applicable provisions of DGCL, at the Effective Time, Merger Sub I and the Company will consummate the First Merger, pursuant to which Merger Sub I shall be merged with and into the Company, following which the separate corporate
existence of Merger Sub I will cease, and the Company will continue as the Surviving Entity and as a direct, wholly-owned subsidiary of Parent (, that, references to the Company for periods after the Effective Time (as defined below)
until the Second Effective Time (as defined below) will include the Surviving Entity). At the Second Effective Time, upon the terms and subject to the conditions set forth in this Agreement and in accordance with the applicable provisions of the
DGCL and the DLLCA, the Surviving Entity will be merged with and into Merger Sub II, following which the separate corporate existence of the Surviving Entity will cease, and Merger Sub II will continue as the Surv