exhibit 10. 1 tel : + 44 ( 0 ) 1223 497400 fax : + 44 ( 0 ) 1223 497461 * * * @ * * * f - star therapeutics limited eddeva b920 babraham research campus cambridge cb22 3at united kingdom www. f - star. com tel : + 44 ( 0 ) 1223 497400 tel : + 44 ( 0 ) 1223 497400 tel : + 44 ( 0 ) 1223 497400 fax : + 44 ( 0 ) 1223 497461 fax : + 44 ( 0 ) 1223 497461 fax : + 44 ( 0 ) 1223 497461 * * * @ * * * * * * @ * * * * * * @ * * * f - star therapeutics limited f - star therapeutics limited f - star therapeutics limited eddeva b920 eddeva b920 eddeva b920 babraham research campus babraham research campus babraham research campus cambridge cambridge cambridge cb22 3at cb22 3at cb22 3at united kingdom united kingdom united kingdom www. f - star. com www. f - star. com www. f - star. com strictly private & confidential eliot forster addresses 6 april 2022 dear eliot amendment to service agreement i am writing to confirm an amendment to your service agreement with effect from 31 march 2022. the parties hereby agree as follows : 1. section 18. 6 of the service agreement is amended by deleting the reference to, “ to the extent not assumed by an acquirer ”. section 18. 6 of the service agreement is amended by deleting the reference to, “ to the extent not assumed by an acquirer ”. 2. except as specifically modified herein, any of the other terms of the agreement shall remain in full force and effect. except as specifically modified herein, any of the other terms of the agreement shall remain in full force and effect. in witness whereof, the parties hereto have executed the amendment as of the date first written above. for f - star therapeutics ltd for employee signature : / s / darlene deptula - hicks signature : / s / eliot r. forster name : darlene deptula - hicks name : eliot forster title : chief financial officer title : chief executive officer for f - star therapeutics ltd for employee for f -