Portillo's Inc. · NASDAQ:PTLO

Portillo's — William Blair's 44th Annual Growth Stock Conference (2024)

19 slides from Portillo's's conference presentation, 2024

1. Slide 1: © 2024 Portillo’s Hot Dogs | All rights reserved | Do not share or

   © 2024 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 1

2. Slide 2: © 2024 Portillo’s Hot Dogs | All rights reserved | Do not share or

   © 2024 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 2

3. Slide 3: © 2024 Portillo’s Hot Dogs | All rights reserved | Do not share or

   © 2024 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 3

4. Slide 4: © 2024 Portillo’s Hot Dogs | All rights reserved | Do not share or

   17% 21% 14% 4% 12% 5% 8% 11% 8% © 2024 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 4

5. Slide 5: Qualtrics Customer Experience Benchmarks

   Source: Qualtrics Customer Experience Benchmarks (CXB) – Proprietary benchmark survey fielded monthly. Results represent Q4 2023 to Q1 2024 © 2024 Portillo’s Portillo’sHot HotDogs Dogs||All Allrights rightsreserved reserved||Do Donot notshare shareor orduplicate duplicate confidential confidential c

6. Slide 6: © 2024 Portillo’s Hot Dogs | All rights reserved | Do not share or

   • • • • • • • • • • • • • • • • • • • © 2024 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 6

7. Slide 7: © 2024 Portillo’s Hot Dogs | All rights reserved | Do not share or

   2023 © 2024 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 7

8. Slide 8: © 2024 Portillo’s Hot Dogs | All rights reserved | Do not share or

   3 4 1 1 48 8 2 8 5 6 © 2024 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 8

9. Slide 9: © 2024 Portillo’s Hot Dogs | All rights reserved | Do not share or

   © 2024 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 9

10. Slide 10: (1) Pickup locations will be excluded from the class analysis

    • • • • (1) Pickup locations will be excluded from the class analysis © 2022 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 10

11. Slide 11: Restaurant market expansion shapes

    • • First-in-Market • ute Chicagoland fill-ins O rm arket expansion A h ea d of p opulat ion growth • Note: not all restaurants fit neatly into one of these categories but these are the four most common shapes observed. © 2022 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicat

12. Slide 12: 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate

    • • • • • • • • • © 2022 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 12

13. Slide 13: 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate

    • • • © 2022 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 13

14. Slide 14: 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate

    © 2022 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 14

15. Slide 15: 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate

    © 2022 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 15

16. Slide 16: 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate

    © 2023 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 16

17. Slide 17: 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate

    © 2022 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 17

18. Slide 18: 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate

    © 2022 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 18

19. Slide 19: 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate

    © 2022 2019 Portillo’s Hot Dogs | All rights reserved | Do not share or duplicate confidential content, in whole or part, without written consent 19

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