GAAP to non-GAAP Reconciliation (Amounts in Thousands) FY17 FY18 FY19 FY20 GAAP operating
expense $1,172,600 $1,209,027 $1,367,407 $1,550,668 Stock-based compensation — sales and marketing $69,655 $61,533 $69,477 $88,446 Stock-based compensation — research and development $53,399 $47,327 $40,886 $50,271 Stock-based
compensation — general and administrative $30,837 $27,873 $32,166 $37,762 Amortization of purchased intangible assets — sales and marketing $1,006 $1,007 $2,083 $8,612 Amortization of purchased intangible assets — general and
administrative $1,893 $2,100 $2,110 $2,178 Facility-exit costs — sales and marketing $0 $630 $7,470 $5,100 Facility-exit costs — research and development $0 $1,247 $9,994 $5,257 Facility-exit costs — general and
administrative $0 $285 $7,816 $3,944 Acquisition-related charges — sales and marketing $0 $0 $6,551 $13,703 Acquisition-related charges — research and development $0 $0 $16,321 $2,838 Acquisition-related charges — general and
administrative $0 $0 $18,870 $39,815 Impairment charges — general and administrative $0 $0 $6,273 $0 Restructuring charges $12,718 $18,426 $0 $7,800 Litigation expense $391 $0 $0 $0 Total adjustments to operating
expenses $169,899 $160,428 $220,017 $265,726 Non-GAAP Operating Expense $1,002,701 $1,048,599 $1,147,390 $1,284,942