Seasoned Leader Brings Deep Experience in Growth, Culture, and Team Development

Shake Shack Inc. ("Shake Shack" or the "Company") (NYSE:SHAK) today announced the appointment of Jamie Griffin as Chief People Officer, effective immediately. Griffin will report to Rob Lynch, CEO of Shake Shack.

"Jamie brings a deep passion for restaurants, an incredible track record of scaling great brands, and a genuine commitment to people," said Rob Lynch, CEO of Shake Shack. "As we look toward growing to 1,500 Shacks and welcoming thousands of new team members, his leadership will be instrumental in helping us to continue to build the kind of Shake Shack that we can all be proud of."

As Chief People Officer, Griffin will serve as a strategic advisor to executive leadership and the Board of Directors, guiding the vision and execution of Shake Shack's people-first approach. Griffin will oversee key areas of the Company, including team member experience, talent acquisition, organizational design, leadership development, total rewards, HRIS operations, compliance, and team member relations. Additionally, he will lead the Shack Support Center HR team to support enterprise growth, build organizational capability, and shape a high-performance, people-first culture rooted in enlightened hospitality.

"I'm honored to join Shake Shack at such a meaningful moment in its journey. Shake Shack's people-first culture and bold growth align with my passion for building exceptional workplaces and cultivating the leaders who power them," said Griffin. "I'm energized to partner with our teams to develop our people, strengthen the systems that support them, and ensure our culture scales with purpose."

A seasoned hospitality leader and founder of the strategic advisory firm Consult to Grow®, Griffin brings more than two decades of experience helping restaurants scale, evolve, and build strong, people-centered cultures. During his tenure at Raising Cane's Chicken Fingers, he held roles across multiple parts of the business, rising to Senior Vice President. He holds a Bachelor of Science from Louisiana State University, an MBA from Tulane, and is a Senior Certified Professional with the Society for Human Resources.

ABOUT SHAKE SHACK

Shake Shack serves elevated versions of American classics using only the best ingredients. It's known for its delicious made-to-order Angus beef burgers, crispy chicken, hand-spun milkshakes, house-made lemonades, beer, wine, and more. With its high-quality food at a great value, warm hospitality, and a commitment to crafting uplifting experiences, Shake Shack quickly became a cult-brand with widespread appeal. Shake Shack's purpose is to Stand For Something Good®, from its premium ingredients and employee development, to its inspiring designs and deep community investment. Since the original Shack opened in 2004 in NYC's Madison Square Park, the Company has expanded to over 610 locations system-wide, including over 390 in 34 U.S. States and the District of Columbia, and over 215 international locations across London, Hong Kong, Shanghai, Singapore, Mexico City, Istanbul, Dubai, Tokyo, Seoul and more.

Skip the line with the Shack App, a mobile ordering app that lets you save time by ordering ahead! Guests can select their location, pick their food, choose a pickup time and their meal will be cooked-to-order and timed to arrival. Available on iOS and Android.

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View source version on businesswire.com: https://www.businesswire.com/news/home/20250714848288/en/

Media:

Meg Davis, Shake Shack

mcastranova@shakeshack.com

Investor Relations:

Melissa Calandruccio, ICR

Michelle Michalski, ICR

(844) SHACK-04 (844-742-2504)

investor@shakeshack.com

Shake Shack Appoints Jamie Griffin as Chief People Officer