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POTBELLY SANDWICH SHOP Potbelly Corporation Reports Results for Third Fiscal Quarter 2021 Achieved same - store - sales of + 33.7 % and higher AUVs , reaching annualized level of $ 1.05 million during the third quarter Achieved third consecutive quarter of shop - level profitability Finalizing 3 - year value driving growth objectives including 1 ) accelerating AUVs , 2 ) significantly expanding margins , and 3 ) escalating new unit development as we transition to more of a franchised system Chicago , IL . November 3 , 2021 - Potbelly Corporation ( NASDAQ : PBPB ) ( " Potbelly " or the " Company " ) , the iconic neighborhood sandwich shop concept , today reported financial results for the third fiscal quarter ended September 26 , 2021 . Third Quarter Strategic Successes : ● • • • Same - store sales ( SSS ) trends continued to show improvement , ending the third quarter at + 33.7 % compared to the year ago period ; SSS exceeded 2019 levels , at + 4.5 % compared to the third quarter of 2019 . Third consecutive quarter of Average Unit Volumes ( AUV ) growth , exceeding $ 20K / week in the third quarter . National rollout of new menu drove increased revenue , traffic , and higher average check during the quarter . Furthered progress against The Company's Five - Pillar strategy , with continued revenue strength in digital channels supported by the new tech stack rolled out in the quarter . Finalized staffing the executive leadership team with the appointment of David Daniels as Chief Marketing Officer . Same - store traffic improved + 21.3 % for the third quarter compared to the third quarter 2020 , with Suburban , Drive - Thru and University shops reporting positive same - store traffic growth compared to the third quarter 2019 . Key highlights for the thirteen weeks ended September 26 , 2021 compared to September 27 , 2020 : Total revenues increased by 40 % to $ 101.7 million compared to $ 72.7 million . • GAAP net loss attributable to Potbelly Corporation was ( $ 2.9 ) million , compared to a GAAP net loss of ( $ 13.4 ) million . GAAP diluted loss per share was ( $ 0.10 ) compared to a GAAP diluted loss per share of ( $ 0.56 ) . Adjusted net loss¹ attributable to Potbelly Corporation was ( $ 1.5 ) million compared to an adjusted net loss of ( $ 10.0 ) million . Adjusted diluted EPS¹ was a loss of ( $ 0.05 ) compared to an adjusted diluted EPS loss of ( $ 0.42 ) . • EBITDA¹ increased significantly to $ 0.9 million compared to an EBITDA loss of ( $ 11.4 ) million . • Adjusted EBITDA¹ improved meaningfully to $ 2.7 million compared to Adjusted EBITDA loss of ( $ 7.3 ) million . Adjusted EBITDA¹ improved for the fifth sequential quarter , despite macro - economic challenges . 1