Company: SNPS
Filing Date: 2025-03-05
Form Type: 424B5
Source: 0001140361-25-007235
Chunk: 20

Company: SYNOPSYS INC
Filing Date: 2025-03-05
Form: 424B5
Chunk 20
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000 aggregate principal amount of 2055 notes.

#### Maturity Dates
2027 notes: April 1, 2027

2028 notes: April 1, 2028

2030 notes: April 1, 2030

2032 notes: April 1, 2032

2035 notes: April 1, 2035

2055 notes: April 1, 2055

#### Interest Payment Dates
We will pay interest on the notes semiannually on April 1 and October 1 of each year starting on October 1, 2025.

#### Interest Rates
2027 notes: 4.550% per annum

2028 notes: 4.650% per annum

2030 notes: 4.850% per annum

2032 notes: 5.000% per annum

2035 notes: 5.150% per annum

2055 notes: 5.700% per annum

#### Par Call Dates
2028 notes: March 1, 2028 (the date that is one month prior to the maturity date of the 2028 notes) (the “2028 Par Call Date”)

2030 notes: March 1, 2030 (the date that is one month prior to the maturity date of the 2030 notes) (the “2030 Par Call Date”)

2032 notes: February 1, 2032 (the date that is two months prior to the maturity date of the 2032 notes) (the “2032 Par Call Date”)

2035 notes: January 1, 2035 (the date that is three months prior to the maturity date of the 2035 notes) (the “2035 Par Call Date”)

2055 notes: October 1, 2054 (the date that is six months prior to the maturity date of the 2055 notes) (the “2055 Par Call Date”)

#### Optional Redemption
At any time and from time to time prior to their respective Par Call Dates or, in the case of the 2027 notes, prior to the maturity date),

<div align='center'>S-8</div>

TABLE OF CONTENTS

we may redeem the notes of each series at our option, in whole or in part, at any time and from time to time, at the “make-whole” redemption price, as described in “Description of Notes—Optional redemption.” At any time and from time to