−Removed: Below is a summary of our material leased properties as of December 31, 2021:
+Added: Below is a summary of our key leased properties as of December 31, 2022 :
Our corporate headquarters are located in South San Francisco, California, comprising 148,020 square feet of office, research and development, engineering and laboratory space pursuant to a lease agreement which commenced on April 12, 2019 and expires on April 30, 2029, with an option to extend for a period of ten years.
This facility houses the majority of our personnel.
−Removed: The build-out of a 65,000 square foot clinical manufacturing site in Salt Lake City, Utah ("SLC Facility") has been initiated.
+Added: The build-out of approximately 78,000 rentable square feet of office, lab and clinical manufacturing premises in Salt Lake City, Utah ("SLC Facility") is in process.
The lease ("SLC Lease") will commence when the space is available for use, which is anticipated to be during 2023, and is expected to terminate in 2032.
1 unchanged sentence
Our European headquarters encompasses office space in a shared facility located in Zürich, Switzerland.
−Removed: The current lease agreement is through at least June 2022, with the option to renew.
+Added: The current lease agreement is through at least April 2023, with the option to renew.
The lease terms provide flexibility to increase our space allocation on short term notice.
1 unchanged sentence
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.