−Removed: Our corporate headquarters are located at 20 South Wacker Drive, Chicago, IL, where we lease approximately 530,000 square feet of general office space.
+Added: Our corporate headquarters are located at 20 South Wacker Drive, Chicago, IL, where we lease approximate ly 500,000 square feet of general office space.
This lease expires in 2032.
−Removed: Our European headquarters are located at the London Fruit & Wool Exchange at 1 Duval Square, London, where we lease approximately 120,000 square feet of general office space.
+Added: Our European headquarters are located at the London Fruit & Wool Exchange at 1 Duval Square, London, where we lease approximate ly 120,000 square feet of general office space.
This lease expires in 2038.
12 unchanged sentences
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.