Company: SNPS
Filing Date: 2025-03-03
Form Type: 424B5
Source: 0001140361-25-006661
Chunk: 88

Company: SYNOPSYS INC
Filing Date: 2025-03-03
Form: 424B5
Chunk 88
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 been incorporated by reference herein and in the registration statement in reliance upon the report of KPMG LLP, independent registered public accounting firm, incorporated by reference herein, and upon the authority of said firm as experts in accounting and auditing.

The consolidated financial statements of ANSYS, Inc. and its subsidiaries as of December 31, 2024 and 2023, and for each of the three years in the period ended December 31, 2024, incorporated by reference herein by reference to Synopsys’ Form 8-K filed with the SEC on February 27, 2025 have been audited by Deloitte & Touche LLP, an independent registered public accounting firm, as stated in its report. Such financial statements are incorporated by reference in reliance upon the report of such firm given their authority as experts in accounting and auditing.

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#### TABLE OF CONTENTS

### PROSPECTUS

#### Synopsys, Inc.

#### Debt Securities
**This prospectus relates to the offering of debt securities of Synopsys, Inc. in one or more offerings. Specific terms of any debt securities to be offered will be provided in supplements to this prospectus. You should read this prospectus and any supplement, together with the documents we incorporate by reference, carefully before you invest. A supplement may also add to, update, supplement, change or clarify information contained in this prospectus with respect to an offering of debt securities.

Our common stock is listed on The NASDAQ Global Select Market under the symbol “SNPS.” Unless stated otherwise in a prospectus supplement, none of these securities will be listed on any securities exchange.

We may offer and sell these securities to or through one or more agents, underwriters, dealers or other third parties or directly to one or more purchasers on a continuous or delayed basis.

Investing in our securities involves risks. You should carefully consider the risks described under “Risk Factors” on page**

#### 5
**of this prospectus, as well as the other information contained or incorporated by reference in this prospectus and the applicable prospectus supplement, before making a decision to invest in our securities.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.**

#### The date of this prospectus is February 27, 2025.
TABLE OF CONTENTS

TABLE OF CONTENTS

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