Mature product package dimensions (part number - ep1k100fi484-2)

I need support from a packaging engineer at Altera because additional dimensions that I need for a socket

design to test the part aren't to be found here:

Here is the pdf file I am looking at.

https://www.altera.com/content/dam/altera-www/global/en_us/pdfs/literature/ds/pkgds.pdf

pages 109-110...

Dimension A What is min and nom?

Dimension A1 What is nom and max?

Dimension A2/A3 What is min and nom?

Please help,

Thorne Kontos

Test Engineer

Integra Technologies LLC

an employee owned company