2seventy bio, Inc. | Employment Agreements | Business Contracts

Second Addendum to Executive Employment Agreement between Globalization Partners Switzerland SA and Nicola Heffron, dated as of March 25, 2022 (Filed With SEC on May 12, 2022)

First Addendum Executive Employment Agreement between Globalization Partners Switzerland SA and Nicola Heffron, dated as of March 7, 2022 (Filed With SEC on May 12, 2022)

Executive Employment Agreement between Globalization Partners Switzerland SA and Nicola Heffron, dated as of December 1, 2021 (Filed With SEC on March 22, 2022)

Amendment to Executive Employment Agreement between Globalization Partners Switzerland SA and Nicola Heffron, dated as of December 8, 2021 (Filed With SEC on March 22, 2022)

Executive Employment Agreement, effective as of November 4, 2021, by and between 2seventy bio, Inc. and Nick Leschly (Filed With SEC on November 4, 2021)

Executive Employment Agreement, effective as of November 4, 2021, by and between 2seventy bio, Inc. and William Baird (Filed With SEC on November 4, 2021)

Executive Employment Agreement, effective as of November 4, 2021, by and between 2seventy bio, Inc. and Philip Gregory (Filed With SEC on November 4, 2021)

2seventy bio, Inc. (22) | Employment Agreements (7)