Exhibit 99.1 Shake Shack Announces First Quarter 2025 Financial Results NEW YORK, NY (Business Wire) — May 1, 2025 — Shake Shack Inc. ("Shake Shack" or the "Company") (NYSE: SHAK) has posted its results for the first quarter of 2025 in a Shareholder Letter in the Quarterly Results section of the Company's Investor Relations website, which can be found here: Q1 2025 Shake Shack Shareholder Letter. The live audio webcast of the conference call will be accessible in the Events & Presentations section of the Co ...