Company: HURA
Filing Date: 2025-02-07
Form Type: S-4
Source: 0001193125-25-022803
Chunk: 989

Company: TuHURA Biosciences, Inc./NV
Filing Date: 2025-02-07
Form: S-4
Chunk 989
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[S IGNATUREP AGE TOA GREEMENT ANDP LAN OFM ERGER] A-64

#### EXHIBIT A-1

### FORM OF COMPANY SUPPORT AGREEMENT
<div align='center'>(See Attached)

A-65</div>

#### EXHIBITA-2

### FORM OF PARENT SUPPORT AGREEMENT
<div align='center'>(See Attached)

A-66</div>

### EXHIBIT B

### FORM OFLOCK-UPAGREEMENT
<div align='center'>(See Attached)

A-67</div>

INDEX OF DEFINED TERMS

| Definition                             |     |    Location |
| 2023 Company Warrants                  |     |      8.4(a) |
| Accounting Firm                        |     |      2.4(f) |
| Acquisition Proposal                   |     |   5.4(f)(i) |
| Action                                 |     |      3.8(a) |
| Adverse Recommendation Change          |     |      5.4(c) |
| Affiliate                              |     |      8.4(b) |
| Affordable Care Act                    |     |     3.10(a) |
| Agreement                              |     |    Preamble |
| Authorized Share Increase              |     |      5.7(e) |
| Book-Entry Shares                      |     |      2.6(b) |
| Business Day                           |     |      8.4(c) |
| Business System(s)                     |     |      8.4(d) |
| Cash and Cash Equivalents              |     |      8.4(e) |
| Certificate of Merger                  |     |         1.3 |
| Certificates                           |     |      2.6(b) |
| Closing                                |     |         1.2 |
| Closing Adjusted Cash Consideration    |     |      8.4(f) |
| Closing Cash and Cash Equivalents      |     |      8.4(g) |
| Closing Date                           |     |         1.2 |
| Closing Date Schedule                  |     |      2.4(b) |
| Closing Liabilities and Debt           |     |      8.4(h) |
| Closing Net Working Capital Amount     |     |      8.4(i) |
| Code                                   |     |      8.4(j) |
| Company                                |     |    Preamble |