Note 1 – Basis of Presentation and Description of Company

CarParts.com, Inc. (including its subsidiaries) is a leading online provider of aftermarket auto parts and accessories. The Company sells its products primarily to individual consumers through its flagship website located at www.carparts.com, our app, and online marketplaces. Our corporate website is also located at www.carparts.com/investor. References to the “Company,” “we,” “us,” or “our” refer to CarParts.com, Inc. and its consolidated subsidiaries.

The Company’s products consist of replacement parts serving the wear and tear and body repair market, hard parts to serve the maintenance and repair market, and performance parts and accessories. The replacement parts category is primarily comprised of body parts for the exterior of an automobile as well as certain other mechanical or electrical parts that are not related to the functioning of the engine or drivetrain. Our parts in this category typically replace original body parts that have been damaged as a result of general wear and tear or a collision. In addition, we sell an extensive line of mirror products, including parts from our own house brand called Kool-Vue^®, which are marketed and sold as aftermarket replacement parts and as upgrades to existing parts. The hard parts category is primarily comprised of engine components and other mechanical and electrical parts including our house brand of catalytic converters called Evan Fischer^®. These hard parts serve as replacement parts that are generally used by professionals and do-it-yourselfers for engine and mechanical maintenance and repair. We also offer other parts and accessories (formerly referred to as performance parts and accessories), which includes certain performance versions of many parts sold in each of the above categories, including parts from our own house brand, JC Whitney^®. Other parts and accessories is also comprised of parts that upgrade existing functionality of a specific part or improve the physical appearance or comfort of the automobile.

The Company is a Delaware C corporation and is headquartered in Torrance, California. The Company has employees located in both the United States and the Philippines.

Basis of Presentation

The consolidated financial statements of the Company have been prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”) for interim financial information and with the instructions to U.S. Securities and Exchange Commission (“SEC”) Form 10-Q and Article 10 of SEC Regulation S-X. In the opinion of management, the accompanying consolidated financial statements contain all adjustments, consisting of normal recurring adjustments, necessary to present fairly the consolidated financial position of the Company as of March 30, 2024 and the consolidated results of operations and cash flows for the thirteen weeks ended March 30, 2024 and April 1, 2023. The Company’s results for the interim periods are not necessarily indicative of the results that may be expected for any other interim period, or for the full year. These unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements and the notes thereto included in our Annual Report on Form 10-K for the year ended December 30, 2023, which was filed with the SEC on March 8, 2024 and all our other periodic filings, including Current Reports on Form 8-K, filed with the SEC after the end of our 2023 fiscal year, and throughout the date of this report.

Based on our current operating plan, we believe that our existing cash, cash equivalents, investments, cash flows from operations and available debt financing will be sufficient to finance our operational cash needs through at least the next twelve months.

Recent Accounting Standard Not Yet Adopted

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosure, which expands the disclosures required for income taxes, primarily through changes to the rate reconciliation and income taxes paid information. This ASU is effective for fiscal years beginning after December 15, 2024, with early

adopted permitted. The amendment should be applied on a prospective basis while retrospective application is permitted. The Company is currently evaluating the effect of this pronouncement on its disclosures.