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Note 11 — Contingencies and commitments

Alpine Collaboration Agreement

On May 14, 2019, the Company entered into a Collaboration Agreement relating to the development of next-generation SPEAR T-cell products with Alpine. The Company paid an upfront exclusive license option fee of $2,000,000 to Alpine in June 2019. Under the agreement, Adaptimmune will pay Alpine for ongoing research and development funding costs and development and commercialization milestone payments up to a maximum of $288,000,000 may be payable if all possible targets are selected and milestones achieved. The upfront payment of $2,000,000 and the payments for ongoing research was recognized within Research and development in the Consolidated Statement of Operations for the year ended December 31, 2019. A further payment of $1,000,000 was recognized within Research and development in the Consolidated Statement of Operations for the three months ended March 31, 2022. Alpine would also receive low single-digit royalties on worldwide net sales of applicable products.

Universal Cells Research, Collaboration and License Agreement and Co-development and Co-commercialization agreement

On November 25, 2015, the Company entered into a Research, Collaboration and License Agreement relating to gene editing and Human Leukocyte Antigen (“HLA”) engineering technology with Universal Cells, Inc. (“Universal Cells”). The Company paid an upfront license and start-up fee of $2,500,000 to Universal Cells in November 2015, a milestone payment of $3,000,000 in February 2016 and further milestone payments of $200,000 and $900,000 were made in the year ended December 31, 2018 and 2017, respectively. The agreement was amended and re-stated as of January 13, 2020, primarily to reflect changes to the development plan agreed between the

parties. Further milestone payments of up to $37,600,000 are payable if certain development and product milestones are achieved of which milestones of $800,000, $500,000 and $2,000,000 have been accrued, but not yet paid, as of March 31, 2022. Universal Cells would also receive a profit-share payment for the first product, and royalties on sales of other products utilizing its technology. The upfront license and start-up fee and milestone payments were expensed to research and development when incurred.

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