SYNOPSYS INC

Ticker: SNPS CUSIP: 871607107 Class: COM

NICHOLS & PRATT ADVISERS LLP /MA's Holding History (CIK: 0001141781)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 35,411 Value ($000) $16,633 Avg Close $444.23 Range $376.18 - $495.72

Q3 2025

Shares 16,991 Value ($000) $8,383 Avg Close $565.30 Range $380.84 - $651.73

Q2 2025

Shares 13,061 Value ($000) $6,715 Avg Close $465.91 Range $365.74 - $521.69

Q1 2025

Shares 10,300 Value ($000) $4,432 Avg Close $485.80 Range $423.08 - $556.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	35,411	$16,633	$444.23	$376.18 - $495.72
Q3 2025	16,991	$8,383	$565.30	$380.84 - $651.73
Q2 2025	13,061	$6,715	$465.91	$365.74 - $521.69
Q1 2025	10,300	$4,432	$485.80	$423.08 - $556.31