10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

☒     QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE QUARTERLY PERIOD ENDED March 26, 2023

☐     TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM         TO

COMMISSION FILE NUMBER: 001-40951

PORTILLO'S INC.

(Exact name of registrant as specified in its charter)

Delaware	87-1104304
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
2001 Spring Road, Suite 400, Oak Brook, Illinois 60523
(Address of principal executive offices)

(630) 954-3773

(Registrant’s telephone number, including area code)

N/A

(Former name, former address and former fiscal year, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol	Name of each exchange on which registered
Class A common stock, $0.01 par value per share	PTLO	Nasdaq Global Select Market

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. ☒     Yes    ☐     No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

☒     Yes ☐     No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. (See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company" and "emerging growth company" in Rule 12b-2 of the Exchange Act).

Large accelerated filer	☐	Accelerated filer	☒
Non-accelerated filer	☐	Smaller reporting company	☐
		Emerging growth company	☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

☐     Yes     ☒     No

As of April 27, 2023, there were 55,001,124 shares of the registrant's Class A common stock, par value $0.01 per share, issued and outstanding.

TABLE OF CONTENTS

Cautionary Note Regarding Forward-Looking Information			1
Part I	Financial Information
	Item 1.	Financial Statements (Unaudited)	3
		Condensed Consolidated Balance Sheets	3
		Condensed Consolidated Statements of Operations	4
		Condensed Consolidated Statements of Stockholders' Equity	5
		Condensed Consolidated Statements of Cash Flows	6
		Notes to Condensed Consolidated Financial Statements	8
	Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	22
	Item 3.	Quantitative and Qualitative Disclosures About Market Risk	35
	Item 4.	Controls and Procedures	35
Part II	Other Information
	Item 1.	Legal Proceedings	36
	Item 1A.	Risk Factors	36
	Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	37
	Item 3.	Defaults Upon Senior Securities	38
	Item 4.	Mine Safety Disclosures	38
	Item 5.	Other Information	38
	Item 6.	Exhibits	39
	Signatures		40

Cautionary Note Regarding Forward-Looking Information

This Quarterly Report on Form 10-Q ("Form 10-Q") contains forward-looking statements, within the meaning of the Private Securities Litigation Reform Act of 1995 ("PSLRA"), which are subject to known and unknown risks, uncertainties and other important factors that may cause actual results to be materially different from the statements made herein. All statements other than statements of historical fact are forward-looking statements. Many of the forward-looking statements are located in Part I, Item 2 of this Form 10-Q under the heading "Management's Discussion and Analysis of Financial Condition and Results of Operations." Forward-looking statements discuss our current expectations and projections relating to our financial position, results of operations, plans, objectives, future performance and business. You can identify forward-looking statements by the fact that they do not relate strictly to historical or current facts. These statements may include words such as "aim," "anticipate," "believe," "estimate," "expect," "forecast," "future," "outlook," "potential," "project," "projection," "plan," "intend," "seek," "may," "could," "would," "will," "should," "can," "can have," "likely," the negatives thereof and other similar expressions.

Forward-looking statements are based on our current expectations and assumptions regarding our business, the economy and other future conditions. Because forward-looking statements relate to the future, by their nature, they are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict. As a result, our actual results may differ materially from those contemplated by the forward-looking statements, so you should not unduly rely on these statements. Important factors that could cause actual results to differ materially from those in the forward-looking statements include regional, national or global political, economic, business, competitive, market and regulatory conditions and the following:

•the potential future impact of COVID-19 (including any variant) on our results of operations, supply chain or liquidity;

•risks related to or arising from our organizational structure;

•risks of food-borne illness and food safety and other health concerns about our food;

•the impact of unionization activities of our restaurant workers on our operations and profitability;

•the impact of recent bank failures on the marketplace, including the ability to access credit;

•risks associated with our reliance on certain information technology systems and potential failures or interruptions;

•privacy and cyber security risks related to our digital ordering and payment platforms for our delivery business;

•the impact of competition, including from our competitors in the restaurant industry or our own restaurants;

•the increasingly competitive labor market and our ability to attract and retain the best talent and qualified employees;

•the impact of federal, state or local government regulations relating to privacy, data protection, advertising and consumer protection, building and zoning requirements, costs or ability to open new restaurants, or sale of food and alcoholic beverage control regulations;

•our ability to achieve our growth strategy, such as the availability of suitable new restaurant sites in existing and new markets and opening of new restaurants at the anticipated rate and on the anticipated timeline;

•increases in food and other operating costs, tariffs and import taxes, and supply shortages; and

•other risks identified in our filings with the Securities and Exchange Commission (the “SEC”).

All forward-looking statements are expressly qualified in their entirety by these cautionary statements. You should evaluate all forward-looking statements made in this Form 10-Q in the context of the risks and uncertainties disclosed in our Annual Report on Form 10-K for the fiscal year ended December 25, 2022 filed with the SEC on March 2, 2023, which is available on the SEC's website at www.sec.gov.

The forward-looking statements included in this Form 10-Q are made only as of the date hereof. The Company undertakes no obligation to publicly update or revise any forward-looking statement as a result of new information, future events or otherwise, except as otherwise required by law.

Portillo's Inc. Form 10-Q | 1

PART I – FINANCIAL INFORMATION

Item 1. Financial Statements (Unaudited)
	Page
Condensed Consolidated Balance Sheets	3
Condensed Consolidated Statements of Operations	4
Condensed Consolidated Statements of Stockholders' Equity	5
Condensed Consolidated Statements of Cash Flows	6
Notes to Condensed Consolidated Financial Statements	8
Note 1. Description Of Business	8
Note 2. Summary Of Significant Accounting Policies	9
Note 3. Revenue Recognition	10
Note 4. Inventories	11
Note 5. Property & Equipment, Net	11
Note 6. Goodwill & Intangible Assets	12
Note 7. Fair Value of Financial Instruments	13
Note 8. Debt	14
Note 9. Leases	16
Note 10. Non-Controlling Interests	17
Note 11. Equity-Based Compensation	18
Note 12. Income Taxes	18
Note 13. Earnings Per Share	19
Note 14. Contingencies	20
Note 15. Related Party Transactions	20
Note 16. Subsequent Events	21

Portillo's Inc. Form 10-Q | 2

PORTILLO'S INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(UNAUDITED)

(In thousands, except share and per share data)

	March 26, 2023		December 25, 2022
ASSETS
CURRENT ASSETS:
Cash and cash equivalents and restricted cash	$	14,611	$	44,427
Accounts receivable	10,129		8,590
Inventory	5,259		7,387
Prepaid expenses	5,879		4,922
Total current assets	35,878		65,326
Property and equipment, net	237,216		227,036
Operating lease assets	173,414		166,808
Goodwill	394,298		394,298
Trade names	223,925		223,925
Other intangible assets, net	31,078		31,800
Equity method investment	16,238		16,274
Deferred tax assets	185,943		150,497
Other assets	3,713		4,119
Total other assets	855,195		820,913
TOTAL ASSETS	$	1,301,703	$	1,280,083
LIABILITIES AND STOCKHOLDERS' EQUITY
CURRENT LIABILITIES:
Accounts payable	$	22,130	$	30,273
Current portion of long-term debt	7,500		4,155
Current portion of Tax Receivable Agreement liability	6,309		813
Short-term debt	10,000		—
Current deferred revenue	5,120		7,292
Short-term operating lease liability	5,088		4,849
Accrued expenses	27,592		29,915
Total current liabilities	83,739		77,297
LONG-TERM LIABILITIES:
Long-term debt, net of current portion	288,979		314,425
Tax Receivable Agreement liability	292,490		252,003
Long-term operating lease liability	210,682		200,166
Other long-term liabilities	2,827		3,291
Total long-term liabilities	794,978		769,885
Total liabilities	878,717		847,182
COMMITMENTS AND CONTINGENCIES (NOTE 14)
STOCKHOLDERS' EQUITY:
Preferred stock, $0.01 par value per share, 10,000,000 shares authorized, none issued or outstanding	—		—
Class A common stock, $0.01 par value per share, 380,000,000 shares authorized, and 54,467,951 and 48,420,723 shares issued and outstanding at March 26, 2023 and December 25, 2022, respectively.	545		484
Class B common stock, $0.00001 par value per share, 50,000,000 shares authorized, and 17,943,562 and 23,837,162 shares issued and outstanding at March 26, 2023 and December 25, 2022, respectively.	—		—
Additional paid-in-capital	294,984		260,664
Accumulated deficit	(5,326)		(4,812)
Total stockholders' equity attributable to Portillo's Inc.	290,203		256,336
Non-controlling interest	132,783		176,565
Total stockholders' equity	422,986		432,901
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$	1,301,703	$	1,280,083

See accompanying notes to unaudited condensed consolidated financial statements.

Portillo's Inc. Form 10-Q | 3

PORTILLO'S INC

CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS

(UNAUDITED)

(In thousands, except share and per share data)

	Quarter Ended
	March 26, 2023		March 27, 2022
REVENUES, NET	$	156,061	$	134,482
COST AND EXPENSES:
Restaurant operating expenses:
Cost of goods sold, excluding depreciation and amortization	53,626		46,266
Labor	40,459		37,313
Occupancy	8,451		7,755
Other operating expenses	18,704		15,165
Total restaurant operating expenses	121,240		106,499
General and administrative expenses	18,778		15,687
Pre-opening expenses	2,344		556
Depreciation and amortization	5,670		5,205
Net income attributable to equity method investment	(207)		(123)
Other income, net	(257)		(156)
OPERATING INCOME	8,493		6,814
Interest expense	7,444		6,099
Tax Receivable Agreement Liability adjustment	(584)		—
Loss on debt extinguishment	3,465		—
(LOSS) INCOME BEFORE INCOME TAXES	(1,832)		715
Income tax (benefit) expense	(559)		165
NET (LOSS) INCOME	(1,273)		550
Net (loss) income attributable to non-controlling interests	(759)		356
NET (LOSS) INCOME ATTRIBUTABLE TO PORTILLO'S INC.	$	(514)	$	194
Net (loss) income per common share attributable to Portillo's Inc.:
Basic	$	(0.01)	$	0.01
Diluted	$	(0.01)	$	0.00
Weighted-average common shares outstanding:
Basic	49,599,074		35,807,171
Diluted	49,599,074		39,944,086

See accompanying notes to unaudited condensed consolidated financial statements.

Portillo's Inc. Form 10-Q | 4

PORTILLO'S INC.

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

(UNAUDITED)

Quarters Ended March 26, 2023 and March 27, 2022
	Class A Common Stock			Class B Common Stock
	Shares	Amount		Shares	Amount		Additional Paid-in Capital		Accumulated Deficit		Non-Controlling Interest		Total Stockholders' Equity
Balance at December 26, 2021	35,807,171	$	358	35,673,321	$	—	$	186,856	$	(15,950)	$	252,142	$	423,406
Net income	—	—		—	—		—		194		356		550
Equity-based compensation	—	—		—	—		1,896		—		1,889		3,785
Balance at March 27, 2022	35,807,171	358		35,673,321	—		188,752		(15,756)		254,387		427,741
Balance at December 25, 2022	48,420,723	484		23,837,162	—		260,664		(4,812)		176,565		432,901
Net loss	—	—		—	—		—		(514)		(759)		(1,273)
Equity-based compensation	—	—		—	—		2,425		—		1,112		3,537
Activity under equity-based compensation plans	153,628	2		—	—		711		—		—		713
Redemption of LLC Units in connection with the secondary offering	5,893,600	59		(5,893,600)	—		(59)		—		—		—
Non-controlling interest adjustment	—	—		—	—		43,736		—		(43,736)		—
Distributions paid to non-controlling interest holders	—	—		—	—		—		—		(399)		(399)
Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis	—	—		—	—		(12,493)		—		—		(12,493)
Balance at March 26, 2023	54,467,951	$	545	17,943,562	$	—	$	294,984	$	(5,326)	$	132,783	$	422,986

See accompanying notes to unaudited condensed consolidated financial statements.

Portillo's Inc. Form 10-Q | 5

PORTILLO'S INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(UNAUDITED)

(In thousands)

	Quarter Ended
	March 26, 2023		March 27, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (loss) income	$	(1,273)	$	550
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	5,670		5,205
Amortization of debt issuance costs and discount	431		621
Loss on sales of assets	118		22
Equity-based compensation	3,537		3,785
Deferred rent and tenant allowance	—		1,253
Deferred income tax (benefit) expense	(559)		165
Tax Receivable Agreement liability adjustment	(584)		—
Amortization of deferred lease incentives	—		(105)
Gift card breakage	(329)		(293)
Loss on debt extinguishment	3,465		—
Changes in operating assets and liabilities:
Accounts receivable	499		1,816
Receivables from related parties	(101)		(8)
Inventory	2,128		931
Other current assets	(957)		(319)
Operating lease assets	2,081		—
Accounts payable	(3,160)		(3,708)
Accrued expenses and other liabilities	(4,513)		(9,745)
Operating lease liabilities	(798)		—
Deferred lease incentives	850		600
Other assets and liabilities	(19)		30
NET CASH PROVIDED BY OPERATING ACTIVITIES	6,486		800
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(20,216)		(6,279)
Proceeds from the sale of property and equipment	26		—
NET CASH USED IN INVESTING ACTIVITIES	(20,190)		(6,279)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from short-term debt, net	10,000		—
Proceeds from long-term debt	300,000		—
Payments of long-term debt	(322,428)		(831)
Proceeds from equity offering, net of underwriting discounts	166,400		—
Repurchase of outstanding equity / Portillo's OpCo units	(166,400)		—
Proceeds from stock option exercises	590		—
Employee withholding taxes related to net settled equity awards	(19)		—
Proceeds from Employee Stock Purchase Plan purchases	127		—
Payments of Tax Receivable Agreement liability	(813)		—
Payment of deferred financing costs	(3,569)		—
Payment of initial public offering issuance costs	—		(771)
NET CASH USED IN FINANCING ACTIVITIES	(16,112)		(1,602)
NET DECREASE IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH	(29,816)		(7,081)
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF THE PERIOD	44,427		39,263
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT END OF THE PERIOD	$	14,611	$	32,182

See accompanying notes to unaudited condensed consolidated financial statements.

Portillo's Inc. Form 10-Q | 6

PORTILLO'S INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(UNAUDITED)

(In thousands)

	Quarter Ended
	March 26, 2023		March 27, 2022
SUPPLEMENTAL CASH FLOW INFORMATION
Interest paid	$	5,703	$	5,356
Income tax paid	—		—
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Accrued capital expenditures	$	4,852	$	1,626
Establishment of liabilities under Tax Receivable Agreement	47,380		—

See accompanying notes to unaudited condensed consolidated financial statements.

Portillo's Inc. Form 10-Q | 7

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 1.    DESCRIPTION OF BUSINESS

Portillo’s Inc. (the "Company") was formed and incorporated as a Delaware corporation on June 8, 2021. The Company was formed for the purpose of completing an initial public offering ("IPO") and related reorganization transactions (collectively, the "Transactions”) in order to carry on the business of PHD Group Holdings LLC and its subsidiaries ("Portillo's OpCo"). Following the consummation of the Transactions on October 20, 2021, the Company became the sole managing member of Portillo’s OpCo, and as sole managing member, the Company operates and controls all of the business and affairs of Portillo's OpCo. As a result, the Company consolidates the financial results of Portillo's OpCo and reports a non-controlling interest representing the economic interest in Portillo's OpCo held by the other members of Portillo's OpCo (the "pre-IPO LLC Members"). Unless the context otherwise requires, references to "we," "us," "our," "Portillo's," and the "Company" refer to Portillo's Inc. and its subsidiaries, including Portillo's OpCo.

The Company operates fast-casual restaurants in 10 states, along with two food production commissaries in Illinois. As of March 26, 2023 and December 25, 2022, the Company had 74 and 71 restaurants in operation, respectively, excluding a restaurant owned by C&O Chicago, LLC ("C&O"), of which Portillo's owns 50% of the equity. The Company also had two non-traditional locations in operation as of March 26, 2023 and December 25, 2022. These non-traditional locations include a food truck and a ghost kitchen (small kitchen with no store-front presence, used to fill online orders). Portillo's additionally has a 50% interest in a single restaurant owned by C&O. The Company’s principal corporate offices are located in Oak Brook, Illinois.

Secondary Offerings

In the first quarter of 2023, the Company completed a secondary offering of 8,000,000 shares of the Company's Class A common stock at an offering price of $21.05 per share (the "Q1 Secondary Offering"). The Company granted Morgan Stanley & Co. LLC, the underwriter (the "Underwriter"), a 30-day option to purchase up to an additional 1,200,000 shares of Class A common stock. On April 5, 2023, the Underwriter exercised its overallotment option in part, to purchase an additional 620,493 shares of the Company's Class A common stock (see Note 16. Subsequent Events for additional details). We used all of the net proceeds from the Q1 Secondary Offering to purchase LLC Units and corresponding shares of Class B common stock from certain pre-IPO LLC Members and to repurchase shares of Class A common stock from the shareholders of the entities treated as corporations for U.S. tax purposes that held LLC Units prior to the Transactions ("Blocker Companies") at a price per LLC Unit or share of Class A common stock, as applicable, equal to the public offering price per share of Class A common stock, less the underwriting discounts and commissions. The proceeds from the Q1 Secondary Offering were used to (i) purchase 2,106,400 existing shares of Class A common stock from the shareholders of the Blocker Companies and (ii) redeem 5,893,600 LLC Units held by the pre-IPO LLC Members. In connection with the redemption, 5,893,600 shares of Class B common stock were surrendered by the pre-IPO LLC Members and canceled and the Company received 5,893,600 newly-issued LLC Units, increasing the Company's total ownership interest in Portillo's OpCo. As a result, Portillo’s did not receive any proceeds from the offering, and the total number of shares of Class A common stock and Class B common stock did not change; however, the number of outstanding shares of Class A common stock increased by the same number of the canceled shares of Class B common stock.

In the third and fourth quarters of 2022, the Company completed two secondary offerings of 8,066,458 shares (including 66,458 shares sold to the underwriters pursuant to their overallotment option) and 8,000,000 shares, respectively, of the Company's Class A common stock at an offering price of $23.75 and $22.69, respectively, per share.

As of March 26, 2023, the Company owns 75.2% of Portillo's OpCo and the pre-IPO LLC Members own the remaining 24.8% of Portillo's OpCo.

Portillo's Inc. Form 10-Q | 8

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 2.    SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial information.

The Company has prepared the accompanying unaudited condensed consolidated financial statements in accordance with GAAP for interim financial statements and pursuant to the rules and regulations of the Securities and Exchange Commission (the "SEC"). In the opinion of management, the accompanying unaudited condensed consolidated financial statements reflect all adjustments consisting of normal recurring adjustments necessary for a fair presentation of our financial position and results of operations. Interim results of operations are not necessarily indicative of the results that may be achieved for the full year. The financial statements and related notes do not include all information and footnotes required by GAAP for annual reports. The unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in our Annual Report on Form 10-K for the fiscal year ended December 25, 2022.

All intercompany balances and transactions have been eliminated in consolidation.

The Company does not have any components of other comprehensive income (loss) recorded within its condensed consolidated financial statements, and therefore, does not separately present a statement of comprehensive income (loss).

Segment Reporting

The Company owns and operates fast-casual restaurants in the United States, along with two food production commissaries in Illinois. The Company’s chief operating decision maker (the “CODM”) is its Chief Executive Officer ("CEO"). The CODM reviews financial performance and allocates resources at a consolidated level on a recurring basis. The Company has one operating segment and one reportable segment.

Fiscal Year

The Company uses a 52- or 53-week fiscal year ending on the Sunday prior to or on December 31. In a 52-week fiscal year, each quarterly period is comprised of 13 weeks. The additional week in a 53-week fiscal year is added to the fourth quarter. Fiscal 2023 and 2022 consist of 53 and 52 weeks, respectively. The fiscal periods presented in this report are the quarters ended March 26, 2023 and March 27, 2022, respectively.

Use of Estimates

The preparation of these condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of sales and expenses during the period. Actual results could differ from those estimates.

Portillo's Inc. Form 10-Q | 9

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Recently Adopted Accounting Standards

In March 2020, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. The pronouncement provides temporary optional expedients and exceptions to the current guidance on contract modifications and hedge accounting to ease the financial reporting burden related to the expected market transition from the London Interbank Offered Rate ("LIBOR") and other interbank offered rates to alternative reference rates. The guidance was effective upon issuance and generally can be applied to applicable contract modifications through December 31, 2022. FASB has extended the sunset date to December 31, 2024. The Company does not believe the impact of the transition from LIBOR to alternative reference rates is material to its consolidated financial statements.

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842) ("ASC 842"), along with related clarifications and improvements. The pronouncement requires lessees to recognize a liability, which represents the discounted obligation to make future minimum lease payments, and a corresponding right-of-use asset on the balance sheet. The guidance requires disclosure of key information about leasing arrangements that is intended to give financial statement users the ability to assess the amount, timing, and potential uncertainty of cash flows related to leases. The update is effective for fiscal years beginning after December 15, 2021, with early adoption permitted. The Company adopted this standard effective December 27, 2021, electing the modified retrospective approach to apply the standard as of the transition date. We have elected the transition package of three practical expedients permitted under the new standard, which eliminates the requirement to reassess the conclusions about historical lease identifications, lease classifications, and initial direct costs. We did not elect the hindsight practical expedient, which permits the use of hindsight when determining lease terms and impairments of right-of-use assets. We elected to apply the practical expedient of combining lease and non-lease components. Additionally, we elected to utilize the short-term lease exception policy, which allows us to not apply the recognition requirements of this standard to leases with a term of 12 months or less. The adoption of this standard had a significant impact on the Company’s condensed consolidated balance sheet as we recognized the right-of-use asset and lease liabilities for our operating leases. The adoption had an immaterial impact on the condensed consolidated statement of operations, cash flows and overall liquidity. See Note 9. Leases for additional information.

The Company reviewed all other recently issued accounting pronouncements and concluded that they were either not applicable or not expected to have a significant impact to its condensed consolidated financial statements.

NOTE 3.    REVENUE RECOGNITION

Revenues from retail restaurants are presented net of discounts and recognized when food and beverage products are sold to the end customer. Sales taxes collected from customers are excluded from revenues and the obligation is included in accrued liabilities until the taxes are remitted to the appropriate taxing authorities.

Delivery sales are generally fulfilled by third-party delivery partners whether ordered through the Portillo's app and website ("Dispatch Sales") or through third-party delivery partners ("Marketplace Sales"). Dispatch Sales include delivery and service fees as the Company controls the delivery. Revenue from Dispatch Sales is recognized when food is delivered to the customer. For these sales, the Company receives payment directly from the customer at the time of sale. Revenue for Marketplace Sales is recognized in the amount paid to the delivery partner by the customer for food and excludes delivery and service fees charged by the third-party delivery partner as the Company does not control the delivery. Revenue from Marketplace Sales is recognized when food is delivered to the customer. For these sales, the Company receives payment from the delivery partner subsequent to the transfer of order, which is generally paid one week in arrears. For all delivery sales of food, the Company is considered the principal and recognizes revenue on a gross basis.

The Company sells gift cards which do not have expiration dates. The Company records the sale of the gift card as a contract liability and recognizes revenue from gift cards when: (i) the gift card is redeemed by the customer; or (ii) in the event a gift card is not expected to be redeemed, in proportion to the pattern of rights exercised by the customer (gift card breakage). The Company has determined that 11% of gift card sales will not be redeemed and will be retained by us based on a portfolio assessment of historical data on gift card redemption patterns. Gift card breakage is recorded within revenues, net in the condensed consolidated statements of operations. The Company recognized gift card breakage of $0.3 million for the quarters ended March 26, 2023 and March 27, 2022.

Portillo's Inc. Form 10-Q | 10

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

The Company’s revenue related to performance obligations not yet satisfied is revenue from gift cards sold but not yet redeemed. The gift card liability included in current deferred revenue on the condensed consolidated balance sheets is as follows (in thousands):

	March 26, 2023		December 25, 2022
Gift card liability	$	5,068	$	6,988

Revenue recognized in the condensed consolidated statement of operations for the redemption of gift cards that were included in their respective liability balances at the beginning of the year is as follows (in thousands):

	Quarter Ended
	March 26, 2023		March 27, 2022
Revenue recognized from gift card liability balance at the beginning of the year	$	1,937	$	1,806

NOTE 4.    INVENTORIES

Inventories consisted of the following (in thousands):

	March 26, 2023		December 25, 2022
Raw materials	$	3,338	$	5,722
Work in progress	121		104
Finished goods	962		876
Consigned inventory	838		685
	$	5,259	$	7,387

NOTE 5.    PROPERTY & EQUIPMENT, NET

Property and equipment, net consisted of the following (in thousands):

	March 26, 2023		December 25, 2022
Land improvements	$	16,456	$	16,369
Furniture, fixtures, and equipment	133,887		126,130
Leasehold improvements	172,337		153,341
Transportation equipment	2,573		2,281
Construction-in-progress	23,149		35,386
	348,402		333,507
Less accumulated depreciation	(111,186)		(106,471)
	$	237,216	$	227,036

Depreciation expense was $5.0 million and $4.4 million for the quarters ended March 26, 2023 and March 27, 2022, respectively, and is included in depreciation and amortization in the condensed consolidated statements of operations.

Portillo's Inc. Form 10-Q | 11

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 6.    GOODWILL & INTANGIBLE ASSETS

The Company has one reporting unit for goodwill which is evaluated for impairment annually in the fourth quarter of each fiscal year.

Intangibles, net consisted of the following (in thousands):

	March 26, 2023
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names	$	223,925	$	—	$	223,925
Intangibles subject to amortization:
Recipes	56,117		(25,039)		31,078
	$	280,042	$	(25,039)	$	255,003

	December 25, 2022
	Gross Carrying Amount		Accumulated Amortization		ASC 842 Adjustment		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names	$	223,925	$	—	$	—	$	223,925
Intangibles subject to amortization:
Recipes	56,117		(24,317)		—		31,800
Covenants not-to-compete	40,799		(40,799)		—		—
Favorable rental contracts	2,991		(1,849)		(1,142)		—
	$	323,832	$	(66,965)	$	(1,142)	$	255,725

Amortization expense was $0.7 million and $0.8 million for the quarters ended March 26, 2023 and March 27, 2022, respectively, and is included in depreciation and amortization in the condensed consolidated statements of operations.

The estimated aggregate amortization expense related to intangible assets held at March 26, 2023 for the remainder of this year and the succeeding five years and thereafter is as follows (in thousands):

	Estimated Amortization
2023 (excluding the quarter ending March 26, 2023)	$	2,167
2024	2,813
2025	2,707
2026	2,707
2027	2,707
2028	2,707
2029 and thereafter	15,270
	$	31,078

Portillo's Inc. Form 10-Q | 12

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 7.    FAIR VALUE OF FINANCIAL INSTRUMENTS

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The carrying value of the Company's cash and cash equivalents, restricted cash, accounts receivable, accounts payable and all other current assets and liabilities approximate fair values due to the short-term nature of these financial instruments.

Other assets consist of a deferred compensation plan with related assets held in a rabbi trust.

Deferred Compensation Plan - The Company maintains a rabbi trust to fund obligations under a deferred compensation plan. Amounts in the rabbi trust are invested in mutual funds, which are designated as trading securities carried at fair value. The fair value measurement of these trading securities is considered Level 1 of the fair value hierarchy as they are measured using quoted market prices.

As of March 26, 2023 and December 25, 2022, the fair value of the mutual fund investments and deferred compensation obligations were as follows (in thousands):

	March 26, 2023		December 25, 2022
	Level 1		Level 1
Assets - Investments designated for deferred compensation plan
Cash/money accounts	$	975	$	1,470
Mutual funds	2,430		2,241
Total assets	$	3,405	$	3,711

As of March 26, 2023 and December 25, 2022, we had no Level 2 or Level 3 assets.

The deferred compensation investments and obligations are included in other assets, accrued expenses and other long-term liabilities in the consolidated balance sheets. Changes in the fair value of securities held in the rabbi trust are recognized as trading gains and losses and included in other income in the consolidated statements of operations and offsetting increases or decreases in the deferred compensation obligation are recorded in other long-term liabilities in the consolidated balance sheets.

Refer to Note 8. Debt for additional information relating to the fair value of the Company's outstanding debt instruments.

Assets and Liabilities Measured at Fair Value on a Non-Recurring Basis

Assets and liabilities that are measured at fair value on a non-recurring basis include property and equipment, net, operating lease assets, equity-method investment, goodwill and indefinite-lived intangible assets. These assets are measured at fair value whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. There were no impairment charges recognized during the quarters ended March 26, 2023 and March 27, 2022.

Portillo's Inc. Form 10-Q | 13

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 8.    DEBT

Debt consisted of the following (in thousands):

	March 26, 2023		December 25, 2022
2023 Term Loan	$	300,000	$	—
2014 Term B-3 Loans	—		322,428
2023 Revolver Facility	10,000		—
Unamortized discount and debt issuance costs	(3,521)		(3,848)
Total debt, net	306,479		318,580
Less: Short-term debt	(10,000)		—
Less: Current portion of long-term debt	(7,500)		(4,155)
Long-term debt, net	$	288,979	$	314,425

2023 Credit Agreement

On February 2, 2023 (the "Closing Date"), PHD Intermediate LLC (“Holdings”), Portillo’s Holdings LLC (the “Borrower”), the other Guarantors party thereto from time to time, each lender party thereto from time to time and Fifth Third Bank, National Association, as Administrative Agent, L/C Issuer and Swing Line Lender entered into a credit agreement (“2023 Credit Agreement”) which provides for a term A loan (the "2023 Term Loan") in an initial aggregate principal amount of $300.0 million and revolving credit commitments in an initial aggregate principal amount of $100.0 million (the “2023 Revolver Facility”). The 2023 Term Loan and 2023 Revolver Facility are scheduled to mature on February 2, 2028.

The 2023 Term Loan and the 2023 Revolver Facility will accrue interest at the forward-looking secured overnight financing rate (“SOFR”) plus an applicable rate determined upon the consolidated total net rent adjusted leverage ratio, subject to a floor of 0.00% (plus a credit spread adjustment of 0.10% per annum for 1-month interest periods and 0.15% for 3-month interest periods).

As of March 26, 2023, the interest rate on the 2023 Term Loan and 2023 Revolver Facility was 7.59% and 7.47%, respectively. Pursuant to the 2023 Credit Agreement, as of March 26, 2023, the commitment fees to maintain the 2023 Revolver Facility were 0.250%, letter of credit fees were 2.75%, and letter of credit fronting fees were 0.125%. Commitment fees, letter of credit fees, and letter of credit fronting fees are recorded as interest expense in the condensed consolidated statements of operations. As of March 26, 2023, the effective interest rate was 8.09%.

The 2023 Term Loan will amortize in equal quarterly installments in aggregate annual amounts equal to $7.5 million for the first two (2) years following the Closing Date, (b) $15.0 million for the third (3rd) and fourth (4th) years following the Closing Date, and (c) $30.0 million for the fifth (5th) year following the Closing Date, commencing on the last day of the first full fiscal quarter ended after the Closing Date, with the balance payable on the final maturity date.

As of March 26, 2023, outstanding borrowings under the 2023 Credit Agreement totaled $310.0 million, comprising $300.0 million under the 2023 Term Loan and $10.0 million under the 2023 Revolver Facility. Letters of credit issued under the 2023 Revolver Facility totaled $4.4 million. As a result, as of March 26, 2023, the Company had $85.6 million available under the 2023 Revolver Facility.

2014 Credit Agreement

Holdings, the Borrower and certain of its subsidiaries entered into a credit agreement ("2014 Credit Agreement"), dated as of August 1, 2014 and as amended October 25, 2016, May 18, 2018 and December 6, 2019, with UBS AG, Stamford Branch, as the administrative agent and collateral agent, and other lenders from time to time party thereto (the “2014 Lenders”). The 2014 Lenders extended credit in the form of (i) first lien initial term loans in an initial aggregate principal amount of $335.0 million and (ii) a revolving credit facility in an original principal amount equal to $30.0 million, including a letter of credit sub-facility with a $7.5 million sublimit (the “2014 Revolving Facility” and the loans thereunder, the “2014 Revolving Loans”).

Portillo's Inc. Form 10-Q | 14

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

On December 6, 2019, the Borrower entered a third amendment to the 2014 Credit Agreement (the “Third Amendment to 2014 Credit Agreement”) whereby the aggregate principal amount of the term loans as of the effective date of the Third Amendment to 2014 Credit Agreement was $332.4 million (the “2014 Term B-3 Loans”), and the 2014 Revolving Facility was increased to $50.0 million. The maturity date with respect to the 2014 Term B-3 Loans was extended to September 6, 2024, and the maturity date with respect to the 2014 Revolving Loans was extended to June 6, 2024.

In connection with the Third Amendment to 2014 Credit Agreement, the interest rates spread for the 2014 Term B-3 Loans increased by 100 basis points to 5.50% for the adjusted London interbank offered rate ("Eurocurrency Rate") loans. As of March 27, 2022, the interest rate on the 2014 Term B-3 Loans was 6.50%. Beginning with December 31, 2019, the Company is required to pay on the last business day of each calendar quarter, March 31, June 30, September 30, and December 31, an aggregate principal amount of $0.8 million.

As of December 25, 2022, the Company had no borrowings under the 2014 Revolving Facility. As of March 27, 2022, the interest rate on the 2014 Revolving Facility was 3.25%, subject to change based on a consolidated first lien net leverage ratio as defined in the 2014 Credit Agreement. As of March 27, 2022, the commitment fees, pursuant to the 2014 Credit Agreement, to maintain the 2014 Revolving Facility were 0.250%. Also pursuant to the 2014 Credit Agreement, as of March 27, 2022, letter of credit fronting fees were 0.125%. Commitment fees and letter of credit fronting fees are recorded as interest expense in the condensed consolidated statements of operations. As of March 27, 2022, the effective interest rate was 7.74%.

The Company had $4.2 million of letters of credit issued against the 2014 Revolving Facility as of December 25, 2022.

On February 2, 2023, the Company used proceeds from the 2023 Term Loan and 2023 Revolver Facility, along with cash on hand, to pay off the 2014 Credit Agreement in full in the amount of $321.8 million. The 2023 Revolver Facility under the 2023 Credit Agreement replaces the $50.0 million 2014 Revolving Facility under the 2014 Credit Agreement.

Discount and Debt Issuance Costs

Pursuant to the 2023 Credit Agreement, the Company capitalized deferred financing costs and issuance discount of $3.6 million which will be amortized over the term of the 2023 Credit Agreement.

In connection with the repayment of the 2014 Credit Agreement as described above, deferred financing costs and original issuance discount of $3.5 million were recorded as a loss on debt extinguishment during the quarter ended March 26, 2023 in the condensed consolidated statement of operations.

The Company amortized $0.3 million and $0.4 million of deferred financing costs during the quarters ended March 26, 2023 and March 27, 2022, respectively, which is included in interest expense in the condensed consolidated statements of operations. In addition, the Company also amortized $0.2 million and $0.2 million in original issue discount related to the long-term debt during the quarters ended March 26, 2023 and March 27, 2022, respectively, which is included in interest expense in the condensed consolidated statements of operations.

Total interest costs incurred were $7.4 million and $6.1 million for the quarters ended March 26, 2023 and March 27, 2022, respectively.

As of March 26, 2023 and December 25, 2022, the fair value of long-term debt approximates the carrying value as it is variable rate debt. The fair value measurement of this debt is considered Level 2 of the fair value hierarchy as inputs to interest are observable, unadjusted quoted prices in active markets for similar assets or liabilities.

The 2023 Credit Agreement is guaranteed by all domestic subsidiaries of the Borrower (subject to customary exceptions) and secured by liens on substantially all of the assets of Holdings, the Borrower and the subsidiary guarantors (subject to customary exceptions).

The 2023 Credit Agreement also includes certain financial covenants with respect to cash interest coverage and total net rent adjusted leverage. As of March 26, 2023, the Company was in compliance with all covenants in the 2023 Credit Agreement.

Portillo's Inc. Form 10-Q | 15

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 9.    LEASES

We qualify as an emerging growth company pursuant to the provisions of the Jumpstart our Business Startups ("JOBS") Act. As such, we adopted ASU 2016-02, Leases (Topic 842), along with related clarifications and improvements, using a modified retrospective approach, with first presentation of the application of ASC 842 in our Annual Report on Form 10-K for the fiscal year ended December 25, 2022. Quarterly interim financial statements for 2023 are presented under ASC 842. Quarterly interim financial statements were not required in 2022 under prior lease accounting guidance, therefore comparative amounts are not presented for those periods.

A summary of operating lease right-of-use assets and liabilities is as follows (in thousands):

Operating leases	Classification	March 26, 2023		December 25, 2022
Right-of-use assets	Operating lease assets	$	173,414	$	166,808
		173,414		166,808
Current lease liabilities	Short-term operating lease liability	5,088		4,849
Non-current lease liabilities	Long-term operating lease liability	210,682		200,166
		$	215,770	$	205,015

The components of lease expense were as follows (in thousands):

		Quarter Ended
Operating leases	Classification	March 26, 2023
Operating lease cost	Occupancy Other operating expenses General and administrative expenses Pre-opening expenses	$	6,828
Short-term operating lease cost	Occupancy Other operating expenses	152
Variable lease cost	Occupancy Other operating expenses General and administrative expenses	994
		$	7,974

A summary of lease terms and discount rates for operating leases is as follows:

Operating leases	March 26, 2023		December 25, 2022
Weighted-average remaining lease term (years):	25.3		25.0
Weighted-average discount rate:	9.8	%	9.8	%

Supplemental cash flow information related to leases is as follows (in thousands):

	Quarter Ended
	March 26, 2023
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	5,773
Operating lease assets obtained in exchange for lease liabilities:
Operating leases	7,263

Portillo's Inc. Form 10-Q | 16

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

As of March 26, 2023, the maturity analysis of the lease liabilities consisted of the following (in thousands):

Year Ending	Operating Leases
2023 (excluding the quarter ending March 26, 2023)	$	17,722
2024	23,907
2025	23,924
2026	24,008
2027	23,306
Thereafter	561,757
Total lease payments	674,624
Less: imputed interest	(458,854)
Total operating lease liabilities	$	215,770

As of March 26, 2023, operating lease payments include $381.4 million related to options to extend lease terms that are reasonably certain of being exercised and exclude $71.3 million of minimum payments for leases signed but not yet commenced.

NOTE 10.    NON-CONTROLLING INTERESTS

We are the sole managing member of Portillo's OpCo, and as a result, consolidate the financial results of Portillo's OpCo. We report a non-controlling interest representing the LLC Units in Portillo's OpCo held by pre-IPO LLC Members. Changes in our ownership interest in Portillo's OpCo while we retain our controlling interest in Portillo's OpCo will be accounted for as equity transactions. As such, future redemptions or direct exchanges of LLC Units in Portillo's OpCo by the pre-IPO LLC members will result in a change in ownership and reduce the amount recorded as non-controlling interest and increase additional paid-in capital.

In the first quarter of 2023, in connection with the secondary offering described in Note 1. Description Of Business, 5,893,600 LLC Units and corresponding shares of Class B common stock were redeemed by the pre-IPO LLC Members for newly-issued shares of Class A common stock and we received 5,893,600 newly-issued LLC Units, increasing our total ownership interest in Portillo's OpCo.

The following table summarizes the LLC interest ownership by Portillo's Inc. and pre-IPO LLC members:

	March 26, 2023			December 25, 2022
	LLC Units	Ownership %		LLC Units	Ownership %
Portillo's Inc.	54,467,951	75.2	%	48,420,723	67.0	%
pre-IPO LLC Members	17,943,562	24.8	%	23,837,162	33.0	%
Total	72,411,513	100.0	%	72,257,885	100.0	%

The weighted average ownership percentages for the applicable reporting periods are used to attribute net income to Portillo's Inc. and the pre-IPO LLC Members. The pre-IPO LLC Members' weighted average ownership percentage for the quarters ended March 26, 2023 and March 27, 2022 was 31.4% and 49.9%, respectively.

Portillo's Inc. Form 10-Q | 17

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

The following table summarizes the effects of changes in ownership in Portillo's OpCo on the Company’s equity (in thousands):

	Quarter Ended
	March 26, 2023		March 27, 2022
Net (loss) income attributable to Portillo's Inc.	$	(514)	$	194
Activity under equity-based compensation plans	711		—
Non-controlling interest adjustments, including the secondary offering	43,736		—
Redemption of LLC Units in connection with the secondary offering	(59)		—
Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis	(12,493)		—
Total effect of changes in ownership interest on equity attributable to Portillo's Inc.	$	31,381	$	194

NOTE 11.    EQUITY-BASED COMPENSATION

Equity-based compensation expense is calculated based on awards ultimately expected to vest and is reduced for estimated forfeitures. Forfeitures are revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates and an adjustment to equity-based compensation expense will be recognized at that time.

Equity-based compensation expense included in the Company’s consolidated statements of operations is as follows (in thousands):

	Quarter Ended
	March 26, 2023		March 27, 2022
Labor	$	346	$	350
General and administrative expenses	3,191		3,435
Total equity-based compensation expense	$	3,537	$	3,785

Employee Stock Purchase Plan

During the quarter ended March 26, 2023, the Company issued 5,963 shares under the Employee Stock Purchase Plan ("ESPP"). At March 26, 2023, 236,656 shares remained available for issuance under the ESPP. The expense incurred under the ESPP was immaterial for the quarter ended March 26, 2023 and is included within general and administrative expenses and labor in the condensed consolidated statements of operations.

NOTE 12.    INCOME TAXES

We are the sole managing member of Portillo's OpCo, and as a result, consolidate the financial results of Portillo's OpCo. Portillo's OpCo is treated as a partnership for U.S. federal and most applicable state and local income tax purposes. As a partnership, Portillo's OpCo is not subject to U.S. federal and state and local income taxes in the majority of states in which it operates. Any taxable income or loss generated by Portillo's OpCo is passed through to and included in the taxable income or loss of its members, including us, based upon the respective member's ownership percentage in Portillo's OpCo. We are subject to U.S. federal income taxes, in addition to state and local income taxes with respect to our allocable share of any taxable income or loss of Portillo's OpCo, as well as any stand-alone income or loss generated by Portillo's Inc.

Income Tax (Benefit) Expense

The effective income tax rate for the quarters ended March 26, 2023 and March 27, 2022 was 30.5% and 16.6%, respectively. The increase in our effective income tax rate for the quarter ended March 26, 2023 compared to the quarter ended March 27, 2022 was primarily driven by the increase in the valuation allowance and an increase in the Company's ownership interest in Portillo's OpCo, which increases its share of taxable income (loss) of Portillo's OpCo. The Company’s annual effective tax rate differs from the statutory rate of 21% primarily because the Company is not liable for federal or state income taxes on the portion of OpCo’s earnings that are attributable to non-controlling interests, the valuation allowance recorded and impacts from the exercise and vesting of equity-based awards.

Portillo's Inc. Form 10-Q | 18

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

We evaluate the realizability of our deferred tax assets on a quarterly basis and establish valuation allowances when it is more likely than not that all or a portion of a deferred tax asset may not be realized. As of March 26, 2023, the Company concluded, based on the weight of all available positive and negative evidence, that all of its deferred tax assets (except for those deferred tax assets relating to the basis difference in its investment in Portillo's OpCo that will never be realizable or only reverse upon the eventual sale of its interest in Portillo's OpCo, which we expect would result in a capital loss which we do not expect to be able to utilize) are more likely than not to be realized.

Secondary Offerings

In the first quarter of 2023, in connection with the secondary offering previously discussed in Note 1. Description Of Business, 5,893,600 LLC Units were redeemed by the pre-IPO LLC Members for newly-issued shares of Class A common stock, resulting in an increase in the tax basis of net assets of Portillo's OpCo subject to the provisions of the Tax Receivable Agreement (the "Tax Receivable Agreement" or "TRA"). The Company recorded a deferred tax asset of $34.9 million and an additional TRA liability of $47.4 million. As of March 26, 2023, we estimated that our obligation for future payments under the TRA liability totaled $298.8 million. The Company made payments of $0.8 million under the TRA during the quarter ended March 26, 2023 relating to tax year 2021. There were no amounts paid under the TRA during the quarter ended March 27, 2022. We expect a payment of $6.3 million relating to tax year 2022 to be paid within the next 12 months.

NOTE 13.    EARNINGS PER SHARE

Basic net (loss) earnings per share of Class A common stock is computed by dividing net income attributable to Portillo's Inc. by the weighted-average number of Class A common stock outstanding.

Diluted net (loss) earnings per share is computed by dividing net (loss) income attributable to Portillo's Inc. by the weighted-average number of dilutive securities, using the treasury stock method.

The computations of basic and diluted net (loss) earnings per share for the quarters ended March 26, 2023 and March 27, 2022 are as follows (in thousands):

	Quarter Ended
	March 26, 2023		March 27, 2022
Net (loss) income	$	(1,273)	$	550
Net (loss) income attributable to non-controlling interests	(759)		356
Net (loss) income attributable to Portillo's Inc.	$	(514)	$	194
Shares:
Weighted-average number of common shares outstanding-basic	49,599		35,807
Dilutive share awards	—		4,137
Weighted-average number of common shares outstanding-diluted	49,599		39,944
Basic net (loss) income per share	$	(0.01)	$	0.01
Diluted net (loss) income per share	$	(0.01)	$	0.00

The following shares were excluded from the calculation of diluted earnings per share because they would be antidilutive (in thousands):

	Quarter Ended
	March 26, 2023	March 27, 2022
Shares subject to performance conditions	1,807	1,196
Shares that were antidilutive	3,538	—
Total shares excluded from diluted net income (loss) per share	5,345	1,196

Portillo's Inc. Form 10-Q | 19

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 14.    CONTINGENCIES

The Company is party to legal proceedings and potential claims arising in the normal conduct of business, including claims related to employment matters, contractual disputes, customer injuries, and property damage. Although the ultimate outcome of these claims and lawsuits cannot be predicted with certainty, management believes that the resulting liability, if any, will not have a material effect on the Company’s condensed consolidated financial statements.

NOTE 15.    RELATED PARTY TRANSACTIONS

As of both March 26, 2023 and December 25, 2022, the related parties’ receivables balance consisted of $0.3 million due from C&O, which is included in accounts receivable in the condensed consolidated balance sheets.

Olo, Inc.

Noah Glass, a member of the Company's Board, is the founder and CEO of Olo, Inc. ("Olo"), a platform the Company uses in connection with our mobile ordering application and delivery.

The Company incurred the following Olo-related costs for the quarters ended March 26, 2023 and March 27, 2022 (in thousands):

	Quarter Ended
	March 26, 2023		March 27, 2022
Cost of goods sold, excluding depreciation and amortization	$	585	$	325
Other operating expenses	114		113
Net Olo-related costs	$	699	$	438

As of March 26, 2023 and December 25, 2022, $0.1 million and $0.2 million, respectively, were payable to Olo and was included in accounts payable in the condensed consolidated balance sheets.

Tax Receivable Agreement

We are party to a TRA with certain members of Portillo's OpCo that provides for the payment by us of 85% of the amount of tax benefits, if any, that Portillo's Inc. actually realizes or in some cases is deemed to realize as a result of certain transactions. The Company made payments of $0.8 million under the TRA relating to tax year 2021 during the quarter ended March 26, 2023. There were no amounts paid under the TRA during the quarter ended March 27, 2022.

(in thousands)	March 26, 2023		December 25, 2022
Current portion of Tax Receivable Agreement liability	$	6,309	$	813
Tax receivable agreement liability	292,490		252,003

Secondary Offerings

In the third and fourth quarters of 2022 and first quarter of 2023, in connection with the secondary offerings previously discussed in Note 1. Description Of Business, we purchased LLC Units and corresponding shares of Class B common stock and shares of Class A common stock using the proceeds of the secondary offerings at a price equal to the public offering price less the underwriting discounts and commissions from certain pre-IPO LLC Members and shareholders of the Blocker Companies, including from funds affiliated with Berkshire Partners LLC, which is our largest shareholder that beneficially owns approximately 31.7% of the Company as of March 26, 2023.

Portillo's Inc. Form 10-Q | 20

PORTILLO'S INC.

NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 16.    SUBSEQUENT EVENTS

The Company opened one new restaurant subsequent to March 26, 2023 in Gilbert, Arizona for a total of 75 restaurants, excluding a restaurant owned by C&O, of which Portillo's owns 50% of the equity.

On April 5, 2023, in connection with the secondary offering previously discussed in Note 1. Description Of Business, the Underwriter exercised its option to purchase an additional 620,493 shares of the Company's Class A common stock. As a result, 163,376 shares of Class A common stock and 457,117 LLC Units and corresponding shares of Class B common stock were redeemed. As of April 5, 2023, the Company owns 75.9% of Portillo's OpCo and the pre-IPO LLC Members own the remaining 24.1% of Portillo's OpCo.

Portillo's Inc. Form 10-Q | 21

Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations.

The following discussion contains, in addition to historical information, forward-looking statements that include risks and uncertainties. Our actual results may differ materially from those anticipated in these forward-looking statements as a result of certain factors, including those set forth under the heading “Cautionary Statements Concerning Forward-Looking Statements” in this report and under the heading “Risk Factors” in Part I, Item IA of our Annual Report on Form 10-K for the fiscal year ended December 25, 2022 and Part II, Item 1A of this Form 10-Q. The following discussion should be read in conjunction with our Annual Report on Form 10-K for the fiscal year ended December 25, 2022 and the condensed consolidated financial statements and notes thereto included in Part I, Item 1 of this Form 10-Q. All information presented herein is based on our fiscal calendar. Unless otherwise stated, references to particular years, quarters, months or periods refer to our fiscal years and the associated quarters, months and periods of those fiscal years.

Although we believe that the expectations reflected in the forward-looking statements are reasonable based on our current knowledge of our business and operations, we cannot guarantee future results, levels of activity, performance or achievements. We assume no obligation to provide revisions to any forward-looking statements should circumstances change.

The following discussion summarizes the significant factors affecting the condensed consolidated operating results, financial condition, liquidity and cash flows of our company as of and for the periods presented below.

We have prepared the unaudited condensed consolidated financial statements in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial statements and pursuant to the rules and regulations of the Securities and Exchange Commission (the "SEC").

Overview

Portillo’s serves iconic Chicago street food through high-energy, multichannel restaurants designed to ignite the senses and create a memorable dining experience. Since our founding in 1963 in a small trailer which Dick Portillo called “The Dog House,” we have grown to become a treasured brand with a passionate (some might say obsessed) nationwide following. We create a consumer experience like no other by combining the best attributes of fast casual and quick service concepts with an exciting energy-filled atmosphere and restaurant model capable of generating tremendous volumes. Nearly all of our restaurants were built with double lane drive-thrus and have been thoughtfully designed with a layout that accommodates a variety of access modes including dine-in, carryout, delivery, and catering in order to quickly and efficiently serve our guests. No matter how our guests order from us, our highly productive kitchens and team members consistently serve high quality food and deliver a memorable guest experience. We believe the combination of our craveable food, multichannel sales model, dedication to operational excellence, and a distinctive culture driven by our team members gives us a competitive advantage.

As of March 26, 2023, we owned and operated 75 Portillo’s restaurants across ten states, including a restaurant owned by C&O Chicago, L.L.C. ("C&O") of which Portillo’s owns 50% of the equity.

2023 Credit Agreement

On February 2, 2023, PHD Intermediate LLC (“Holdings”), Portillo’s Holdings LLC (the “Borrower”), the other Guarantors party thereto from time to time, each lender party thereto from time to time and Fifth Third Bank, National Association, as Administrative Agent, L/C Issuer and Swing Line Lender, entered into a credit agreement (“2023 Credit Agreement”) which provides for a term A loan ("2023 Term Loan") in an initial aggregate principal amount of $300.0 million and initial revolving credit commitments in an initial aggregate principal amount of $100.0 million (the “2023 Revolver Facility”). The proceeds under the 2023 Term Loan and 2023 Revolver Facility, along with cash on hand, were used to repay outstanding indebtedness under the 2014 Credit Agreement and to pay related transaction expenses. The 2023 Term Loan and 2023 Revolver Facility are scheduled to mature on February 2, 2028.

Secondary Offering

In the first quarter of 2023, the Company completed a secondary offering of 8,000,000 shares of the Company's Class A common stock at an offering price of $21.05 per share ("Q1 Secondary Offering"). The Company granted Morgan Stanley & Co. LLC, the underwriter (the

Portillo's Inc. Form 10-Q | 22

"Underwriter"), a 30-day option to purchase up to an additional 1,200,000 shares of Class A common stock. On April 5, 2023, the Underwriter exercised its overallotment option in part, to purchase an additional 620,493 shares of the Company's Class A common stock (see Note 16. Subsequent Events for additional details). We used all of the net proceeds from the Q1 Secondary Offering to purchase LLC Units and corresponding shares of Class B common stock from certain pre-IPO LLC Members and to repurchase shares of Class A common stock from the shareholders of the Blocker Companies at a price per LLC Unit or share of Class A common stock, as applicable equal to the public offering price per share of Class A common stock, less the underwriting discounts and commissions. As a result, Portillo’s did not receive any proceeds from the offering, and the total number of shares of Class A common stock and Class B common stock did not change; however, the number of outstanding shares of Class A common stock increased by the same number of the canceled shares of Class B common stock.

Financial Highlights for the Quarter Ended March 26, 2023 vs. Quarter Ended March 27, 2022:

•Total revenue increased 16.0% or $21.6 million to $156.1 million;

•Same restaurant sales increased 9.1%;

•Operating income increased $1.7 million to $8.5 million;

•Net income decreased $1.8 million to a net loss of $1.3 million;

•Restaurant-Level Adjusted EBITDA* increased $6.8 million to $34.8 million; and

•Adjusted EBITDA* increased $2.0 million to $19.6 million.

* Adjusted EBITDA and Restaurant-Level Adjusted EBITDA are non-GAAP measures. Definitions and reconciliations of Adjusted EBITDA to net (loss) income and Restaurant-Level Adjusted EBITDA to operating income the most directly comparable financial measures presented in accordance with GAAP, are set forth under the section "Key Performance Indicators and Non-GAAP Financial Measures".

Recent Developments and Trends

We continue to see revenue growth due to our new restaurant openings, as well as same-restaurant sales growth. Total revenue grew 16.0% for the quarter ended March 26, 2023. Same-restaurant sales grew 9.1% during the quarter ended March 26, 2023.

During and subsequent to the quarter ended March 26, 2023, we opened the remaining four restaurants that were planned for 2022, completing our seven restaurants in the "Class of 2022". Our six new restaurants opened in 2022 and 2023, positively impacted revenues by approximately $10.6 million in the quarter ended March 26, 2023. We plan to open nine more new restaurants in 2023 ("Class of 2023").

In the quarter ended March 26, 2023, we continued to experience commodity inflation, but to a lesser extent than we saw in 2022. Commodity inflation was 8.9% for the quarter ended March 26, 2023 compared to 15.7% for the quarter ended March 27, 2022. We expect our overall commodity inflation to ease over the course of the year and are currently estimating commodity inflation in the mid single digits for the full fiscal year. Labor expenses, as a percentage of revenue, declined during the quarter ended March 26, 2023, primarily due to increases in our average check and transactions and operational efficiencies. This decrease was partially offset by additional wage investments, primarily wage investments to support our team members made in July 2022. We do anticipate additional wage investments in 2023. During mid-January 2023 and at the beginning of May 2023, we increased certain menu prices to reflect a net approximate 2.0% and 3.0% price increase, respectively, to continue to combat inflationary cost pressures and progress towards our goal to improve Restaurant-Level Adjusted EBITDA margins for fiscal 2023.

In the quarter ended March 26, 2023, operating income margin and Restaurant-Level Adjusted EBITDA Margin sequentially improved compared to the quarter ended December 26, 2022 and to the prior year quarter ended March 27, 2022. We believe this improvement was the result of our continued efforts to elevate guest experiences, deploy strategic pricing actions and implement operational efficiencies.

We also recently celebrated our 60th anniversary on April 5, 2023. Since our founding at the “The Dog House,” we have grown to become a treasured brand with a passionate nationwide following. We will continue to create decades worth of memories for new fans as we expand across the nation. Even after 60 years, we have so much opportunity to develop and grow our team members, enhance the Portillo’s experience for our guests, and to create enduring value for our investors.

Portillo's Inc. Form 10-Q | 23

Development Highlights

We opened three new restaurants during the quarter ended March 26, 2023. Subsequent to March 26, 2023, we opened one additional restaurant, bringing our total restaurant count to 76, including a restaurant owned by C&O of which Portillo’s owns 50% of the equity.

Location	Opening Date
Kissimmee, Florida	December 2022
The Colony, Texas	January 2023
Tucson, Arizona	February 2023
Gilbert, Arizona	March 2023

Portillo's Inc. Form 10-Q | 24

Consolidated Results of Operations

The following table summarizes our results of operations for the quarters ended March 26, 2023 and March 27, 2022 (in thousands):

	Quarter Ended
	March 26, 2023				March 27, 2022
REVENUES, NET	$	156,061	100.0	%	$	134,482	100.0	%
COST AND EXPENSES:
Restaurant operating expenses:
Cost of goods sold, excluding depreciation and amortization	53,626		34.4	%	46,266		34.4	%
Labor	40,459		25.9	%	37,313		27.7	%
Occupancy	8,451		5.4	%	7,755		5.8	%
Other operating expenses	18,704		12.0	%	15,165		11.3	%
Total restaurant operating expenses	121,240		77.7	%	106,499		79.2	%
General and administrative expenses	18,778		12.0	%	15,687		11.7	%
Pre-opening expenses	2,344		1.5	%	556		0.4	%
Depreciation and amortization	5,670		3.6	%	5,205		3.9	%
Net income attributable to equity method investment	(207)		(0.1)	%	(123)		(0.1)	%
Other income, net	(257)		(0.2)	%	(156)		(0.1)	%
OPERATING INCOME	8,493		5.4	%	6,814		5.1	%
Interest expense	7,444		4.8	%	6,099		4.5	%
Tax Receivable Agreement liability adjustment	(584)		(0.4)	%	—		—	%
Loss on debt extinguishment	3,465		2.2	%	—		—	%
(LOSS) INCOME BEFORE INCOME TAXES	(1,832)		(1.2)	%	715		0.5	%
Income tax (benefit) expense	(559)		(0.4)	%	165		0.1	%
NET (LOSS) INCOME	(1,273)		(0.8)	%	550		0.4	%
Net (loss) income attributable to non-controlling interests	(759)		(0.5)	%	356		0.3	%
NET (LOSS) INCOME ATTRIBUTABLE TO PORTILLO'S INC.	$	(514)	(0.3)	%	$	194	0.1	%

Revenues, Net

Revenues primarily represent the aggregate sales of food and beverages, net of discounts. Sales taxes collected from customers are excluded from revenues. Revenues in any period are directly influenced by the number of operating weeks in the period, the number of open restaurants, restaurant traffic, our menu prices, third-party delivery platform prices and product mix.

Revenues for the quarter ended March 26, 2023 were $156.1 million compared to $134.5 million for the quarter ended March 27, 2022, an increase of $21.6 million or 16.0%. The increase in revenues was primarily attributed to an increase in our same-restaurant sales and the opening of three restaurants in 2022 and three restaurants during the quarter ended March 26, 2023. Same-restaurant sales increased 9.1% during the first quarter ended March 26, 2023, which was attributable to an increase in average check of 7.0% and a 2.1% increase in transactions. The higher average check was driven by an approximate 9.2% increase in certain menu prices partially offset by product mix. New restaurants positively impacted revenues by approximately $10.6 million in the quarter ended March 26, 2023. For the purpose of calculating same-restaurant sales for March 26, 2023, sales for 63 restaurants were included in the Comparable Restaurant Base (as defined in "Selected Operating Data" below).

Portillo's Inc. Form 10-Q | 25

Cost of Goods Sold, Excluding Depreciation and Amortization

Cost of goods sold, excluding depreciation and amortization includes the direct costs associated with food and beverages, including paper products and third-party delivery commissions. The components of cost of goods sold, excluding depreciation and amortization are variable by nature, change with sales volume, are impacted by product mix and are subject to increases or decreases in commodity costs.

Cost of goods sold, excluding depreciation and amortization for the quarter ended March 26, 2023 was $53.6 million compared to $46.3 million for the quarter ended March 27, 2022, an increase of $7.4 million or 15.9%. This increase was primarily driven by a 8.9% increase in commodity prices and the opening of three restaurants in 2022 and three restaurants during the quarter ended March 26, 2023, partially offset by an lower third-party delivery commissions. As a percentage of revenues net, cost of goods sold, excluding depreciation and amortization was flat during the quarter ended March 26, 2023.

Labor Expenses

Labor expenses include hourly and management wages, bonuses and equity-based compensation, payroll taxes, workers’ compensation expense, and team member benefits. Factors that influence labor costs include wage inflation and payroll tax legislation, health care costs and the staffing needs of our restaurants.

Labor expenses for the quarter ended March 26, 2023 were $40.5 million compared to $37.3 million for the quarter ended March 27, 2022, an increase of $3.1 million or 8.4%. This increase was primarily driven by the opening of three restaurants in 2022 and three restaurants during the quarter ended March 26, 2023 and incremental investments to support our team members, including rate increases primarily made in July 2022. These increases were partially offset by operational efficiencies. As a percentage of revenues, net, labor decreased 1.8% due primarily to increases in our average check and transactions and operational efficiencies, partially offset by the aforementioned incremental wage rate increases to support our team members.

Occupancy Expenses

Occupancy expenses primarily consist of rent, property insurance and property taxes.

Occupancy expenses for the quarter ended March 26, 2023 were $8.5 million compared to $7.8 million for the quarter ended March 27, 2022, an increase of $0.7 million or 9.0%, primarily driven by the opening of three restaurants in 2022 and three restaurants during the quarter ended March 26, 2023. As a percentage of revenues, net, occupancy expenses decreased 0.4% due primarily to increases in our average check and transactions.

Other Operating Expenses

Other operating expenses consist of direct marketing expenses, utilities and other operating expenses incidental to operating our restaurants, such as credit card fees and repairs and maintenance.

Other operating expenses for the quarter ended March 26, 2023 were $18.7 million compared to $15.2 million for the quarter ended March 27, 2022, an increase of $3.5 million or 23.3%, primarily due to an increase in repair and maintenance expenses, credit card fees, operating supplies and insurance, and the opening of three restaurants in 2022 and three restaurants during the quarter ended March 26, 2023. As a percentage of revenues, net, operating expenses increased 0.7% due primarily to the aforementioned increases in expenses, partially offset by increases in our average check and transactions.

General and Administrative Expenses

General and administrative expenses primarily consist of costs associated with our corporate and administrative functions that support restaurant development and operations, including marketing and advertising costs incurred as well as legal and professional fees. General and administrative expenses also include equity-based compensation expense. General and administrative expenses are impacted by changes in our team member count and costs related to strategic and growth initiatives.

Portillo's Inc. Form 10-Q | 26

General and administrative expenses for the quarter ended March 26, 2023 were $18.8 million compared to $15.7 million for the quarter ended March 27, 2022, an increase of $3.1 million or 19.7%. This increase was primarily driven by an increase in salaries and wages attributable to annual rate increases and the filling of open positions, variable-based compensation and an increase in professional and software licensing fees.

Pre-Opening Expenses

Pre-opening expenses consist primarily of wages, occupancy expenses, which represent rent expense recognized during the period between the date of possession of the restaurant facility and the restaurant opening date, travel for the opening team and other supporting team members, food, beverage, and the initial stocking of operating supplies. All such costs incurred prior to the opening are expensed in the period in which the expense was incurred. Pre-opening expenses can fluctuate significantly from period to period, based on the number and timing of openings and the specific pre-opening expenses incurred for each restaurant. Additionally, restaurant openings in new geographic market areas will experience higher pre-opening expenses than our established geographic market areas, such as the Chicagoland area, where we have greater economies of scale and incur lower travel and lodging costs for our training team.

Pre-opening expenses for the quarter ended March 26, 2023 were $2.3 million compared to $0.6 million for the quarter ended March 27, 2022, an increase of $1.8 million or 321.6%. The increase was due to the timing and geographic location of activities related to our planned restaurant openings for the quarter ended March 26, 2023 as compared to the quarter ended March 27, 2022.

Depreciation and Amortization

Depreciation and amortization expenses consist of the depreciation of fixed assets, including leasehold improvements, fixtures and equipment and the amortization of definite-lived intangible assets, which are primarily comprised of recipes.

Depreciation and amortization expense for the quarter ended March 26, 2023 was $5.7 million compared to $5.2 million for the quarter ended March 27, 2022, an increase of $0.5 million or 8.9%. This increase was primarily attributable incremental depreciation of capital expenditures related to the opening of three restaurants in 2022 and three restaurants during the quarter ended March 26, 2023.

Net Income Attributable to Equity Method Investment

Net income attributable to equity method investment consists of a 50% interest in C&O, which runs a single restaurant located within the Chicagoland market. We account for the investment and financial results in the condensed consolidated financial statements under the equity method of accounting as we have significant influence but do not have control.

Net income attributable to equity method investment for the quarter ended March 26, 2023 was $0.2 million compared to $0.1 million for the quarter ended March 27, 2022, an increase of $0.1 million or 68.3%. This increase was primarily driven by increased revenue, which is attributable to increases in average check and transactions.

Other Income, Net

Other income, net includes among other items, income resulting from discounts received for timely filing of sales tax returns, management fee income associated with our investment in C&O, trading gains or losses on our deferred compensation plan and gains or losses on asset disposals.

Other income, net for the quarter ended March 26, 2023 was $0.3 million compared to $0.2 million for the quarter ended March 27, 2022, an increase of $0.1 million or 64.7%. This increase was primarily due to an increase in trading gains in the rabbi trust used to fund our deferred compensation plan, partially offset by a decrease in loss on sale of assets.

Portillo's Inc. Form 10-Q | 27

Interest Expense

Interest expense primarily consists of interest and fees on our credit facilities and the amortization expense for debt discount and deferred issuance costs.

Interest expense for the quarter ended March 26, 2023 was $7.4 million compared to $6.1 million for the quarter ended March 27, 2022, an increase of $1.3 million or 22.1%. This increase was primarily driven by a higher effective interest rate attributable to the year over year rising interest rate environment, partially offset by the improved lending terms associated with our 2023 Term Loan and 2023 Revolver Facility.

Tax Receivable Agreement Liability Adjustment

We are party to a Tax Receivable Agreement liability with certain members of Portillo's OpCo that provides for the payment by us of 85% of the amount of tax benefits, if any, that Portillo's Inc. actually realizes or in some cases is deemed to realize as a result of certain transactions.

The Tax Receivable Agreement liability adjustment was $0.6 million for the quarter ended March 26, 2023 related to a remeasurement primarily due to activity under equity-based compensation plans. There was no Tax Receivable Agreement liability adjustment for the quarter ended March 27, 2022.

Loss on Debt Extinguishment

Loss on debt extinguishment for the quarter ended March 26, 2023 was $3.5 million due to the write-off of debt discount and deferred issuance costs of associated with the payoff of the 2014 Credit Agreement as described in Note 8. Debt. There was no loss on debt extinguishment for the quarter ended March 27, 2022.

Income Tax (Benefit) Expense

Portillo's OpCo is treated as a partnership for U.S. federal, as well as state and local income tax purposes and is not subject to taxes. Rather, any taxable income or loss generated by Portillo's OpCo is allocated to its members in relation to their respective ownership percentage of Portillo's OpCo. We are subject to U.S. federal, as well as state and local income taxes with respect to our allocable share of any taxable income or loss of Portillo's OpCo, as well as any stand-alone income or loss generated by Portillo's Inc.

Income tax benefit for the quarter ended March 26, 2023 was $0.6 million compared to income tax expense of $0.2 million for the quarter ended March 27, 2022, a decrease of $0.7 million or 438.8%. Our effective income tax rate for the quarter ended March 26, 2023 was 30.5%, compared to 16.6% for the quarters ended March 27, 2022. The increase in our effective income tax rate for the quarter ended March 26, 2023 compared to the quarter ended March 27, 2022 was primarily driven by the increase in the valuation allowance and an increase in the Company's ownership interest in Portillo's OpCo, which increases its share of taxable income (loss) of Portillo's OpCo.

Net (Loss) Income Attributable to Non-controlling Interests

We are the sole managing member of Portillo's OpCo. We manage and operate the business and control the strategic decisions and day-to-day operations of Portillo’s OpCo and we also have a substantial financial interest in Portillo’s OpCo. Accordingly, we consolidate the financial results of Portillo’s OpCo, and a portion of our net income is allocated to non-controlling interests to reflect the entitlement of the pre-IPO LLC Members who retained their equity ownership in Portillo's OpCo (the "pre-IPO LLC Members"). The weighted average ownership percentages for the applicable reporting periods are used to attribute net income (loss) to Portillo's Inc. and the non-controlling interest holders.

Net loss attributable to non-controlling interests for the quarter ended March 26, 2023 was $0.8 million, compared to net income attributable to non-controlling interests of $0.4 million for the quarter ended March 27, 2022, a decrease of $1.1 million or 313.2%. The decrease in net (loss) income attributable to non-controlling interests for the quarter ended March 26, 2023 was primarily due to a decrease in net income primarily due to the factors driving the aforementioned expenses, compared to the quarter ended March 27, 2022, partially offset by a decrease in the non-controlling interest holders' weighted average ownership, from 49.9% for the quarter ended March 27, 2022 to 31.4% for the quarter ended March 26, 2023.

Portillo's Inc. Form 10-Q | 28

Key Performance Indicators and Non-GAAP Financial Measures

In addition to the GAAP measures presented in our financial statements, we use the following key performance indicators and non-GAAP financial measures to evaluate our business, measure our performance, develop financial forecasts and make strategic decisions. These key measures include new restaurant openings, average unit volume ("AUV"), same-restaurant sales, Adjusted EBITDA, Adjusted EBITDA Margin, Restaurant-Level Adjusted EBITDA and Restaurant-Level Adjusted EBITDA Margin. The Company includes these measures because management believes that they are important to day-to-day operations and overall strategy and are useful to investors in that they provide for greater transparency with respect to supplemental information used by management in its financial and operational decision-making.

	Quarter Ended
	March 26, 2023			March 27, 2022
Total Restaurants (a)	75			70
AUV (in millions) (a)	$	8.7		$	8.3
Change in same-restaurant sales (b)	9.1		%	8.2		%
Adjusted EBITDA (in thousands) (b)	$	19,634		$	17,630
Adjusted EBITDA Margin (b)	12.6		%	13.1		%
Restaurant-Level Adjusted EBITDA (in thousands) (b)	$	34,821		$	27,983
Restaurant-Level Adjusted EBITDA Margin (b)	22.3		%	20.8		%

(a) Includes a restaurant that is owned by C&O, of which Portillo’s owns 50% of the equity. AUVs for the quarters ended March 26, 2023 and March 27, 2022 represent AUVs for the twelve months ended March 26, 2023 and March 27, 2022, respectively. Total restaurants indicated are as of a point in time.

(b) Excludes a restaurant that is owned by C&O of which Portillo’s owns 50% of the equity.

Change in Same-Restaurant Sales

The change in same-restaurant sales is the percentage change in year-over-year revenue (excluding gift card breakage) for the comparable restaurant base, which is defined as the number of restaurants open for at least 24 full fiscal periods (the “Comparable Restaurant Base”). For the quarters ended March 26, 2023 and March 27, 2022, there were 63 and 61 restaurants in our Comparable Restaurant Base, respectively. The Comparable Restaurant Base excludes a restaurant that is owned by C&O, of which Portillo’s owns 50% of the equity.

A change in same-restaurant sales growth is the result of a change in restaurant transactions, average guest check, or a combination of the two. We gather daily sales data and regularly analyze the guest transaction counts and the mix of menu items sold to strategically evaluate menu pricing and demand. Measuring our same-restaurant sales growth allows management to evaluate the performance of our existing restaurant base. We believe this measure provides a consistent comparison of restaurant sales results and trends across periods within our core, established restaurant base, unaffected by results of restaurant openings and enables investors to better understand and evaluate the Company’s historical and prospective operating performance.

Average Unit Volume ("AUV")

AUV is the total revenue (excluding gift card breakage) recognized in the Comparable Restaurant Base, including C&O, divided by the number of restaurants in the Comparable Restaurant Base, including C&O, by period.

This key performance indicator allows management to assess changes in consumer spending patterns at our restaurants and the overall performance of our restaurant base.

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Non-GAAP Financial Measures

To supplement the condensed consolidated financial statements, which are prepared and presented in accordance with GAAP, we use the following non-GAAP financial measures: Adjusted EBITDA and Adjusted EBITDA Margin, and Restaurant-Level Adjusted EBITDA and Restaurant-Level Adjusted EBITDA Margin. Accordingly, these measures are not required by, nor presented in accordance with GAAP, but rather are supplemental measures of operating performance of our restaurants. You should be aware that these measures are not indicative of overall results for the Company and that Restaurant-Level Adjusted EBITDA and Restaurant-Level Adjusted EBITDA Margin do not accrue directly to the benefit of stockholders because of corporate-level expenses excluded from such measures. These measures are supplemental measures of operating performance and our calculations thereof may not be comparable to similar measures reported by other companies. These measures are important measures to evaluate the performance and profitability of our restaurants, individually and in the aggregate, but also have important limitations as analytical tools and should not be considered in isolation as substitutes for analysis of our results as reported under GAAP.

Adjusted EBITDA and Adjusted EBITDA Margin

Adjusted EBITDA represents net income before depreciation and amortization, interest expense and income taxes, adjusted for the impact of certain non-cash and other items that we do not consider in our evaluation of ongoing core operating performance as identified in the reconciliation of net income, the most directly comparable GAAP measure to Adjusted EBITDA. Adjusted EBITDA Margin represents Adjusted EBITDA as a percentage of total revenues.

We use Adjusted EBITDA and Adjusted EBITDA Margin (i) to evaluate our operating results and the effectiveness of our business strategies, (ii) internally as benchmarks to compare our performance to that of our competitors and (iii) as factors in evaluating management’s performance when determining incentive compensation.

We believe that Adjusted EBITDA and Adjusted EBITDA Margin are important measures of operating performance because they eliminate the impact of expenses that do not relate to our core operating performance.

The following table reconciles net (loss) income to Adjusted EBITDA and Adjusted EBITDA margin (in thousands):

	Quarter Ended
	March 26, 2023			March 27, 2022
Net (loss) income	$	(1,273)		$	550
Depreciation and amortization	5,670			5,205
Interest expense	7,444			6,099
Loss on debt extinguishment	3,465			—
Income tax (benefit) expense	(559)			165
EBITDA	14,747			12,019
Deferred rent (1)	1,225			1,081
Equity-based compensation	3,537			3,785
Other loss (2)	117			31
Transaction-related fees & expenses (3)	592			714
Tax Receivable Agreement liability adjustment (4)	(584)			—
Adjusted EBITDA	$	19,634		$	17,630
Adjusted EBITDA Margin (5)	12.6		%	13.1		%

(1) Represents the difference between cash rent payments and the recognition of straight-line rent expense recognized over the lease term.

(2) Represents loss on disposal of property and equipment.

(3) Represents the exclusion of certain expenses that management believes are not indicative of ongoing operations, consisting primarily of certain professional fees.

(4) Represents remeasurement of the Tax Receivable Agreement liability.

(5) Adjusted EBITDA Margin is defined as Adjusted EBITDA divided by Revenues, net.

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Restaurant-Level Adjusted EBITDA and Restaurant-Level Adjusted EBITDA Margin

Restaurant-Level Adjusted EBITDA is defined as revenue, less restaurant operating expenses, which include cost of goods sold (excluding depreciation and amortization), labor expenses, occupancy expenses and other operating expenses. Restaurant-Level Adjusted EBITDA excludes corporate level expenses and depreciation and amortization on restaurant property and equipment. Restaurant-Level Adjusted EBITDA Margin represents Restaurant-Level Adjusted EBITDA as a percentage of revenue.

We believe that Restaurant-Level Adjusted EBITDA and Restaurant-Level Adjusted EBITDA Margin are important measures to evaluate the performance and profitability of our restaurants, individually and in the aggregate.

The following table reconciles operating income to Restaurant-Level Adjusted EBITDA and Restaurant-Level Adjusted EBITDA Margin (in thousands):

	Quarter Ended
	March 26, 2023			March 27, 2022
Operating income	$	8,493		$	6,814
Plus:
General and administrative expenses	18,778			15,687
Pre-opening expenses	2,344			556
Depreciation and amortization	5,670			5,205
Net income attributable to equity method investment	(207)			(123)
Other income, net	(257)			(156)
Restaurant-Level Adjusted EBITDA	$	34,821		$	27,983
Restaurant-Level Adjusted EBITDA Margin (1)	22.3		%	20.8		%

(1) Restaurant-Level Adjusted EBITDA Margin is defined as Adjusted EBITDA divided by Revenues, net

Liquidity and Capital Resources

Our primary sources of liquidity are cash from operations, cash and cash equivalents on hand, and availability under our 2023 Revolver Facility. As of March 26, 2023, we maintained a cash and cash equivalents and restricted cash balance of $14.6 million and had $85.6 million of availability under our 2023 Revolver Facility, after giving effect to $10.0 million in borrowings and $4.4 million in outstanding letters of credit.

Our primary requirements for liquidity are to fund our working capital needs, operating lease obligations, capital expenditures, and general restaurant support center needs. Our requirements for working capital are not significant because our guests pay for their food and beverage purchases in cash or on debit or credit cards at the time of the sale and we are able to sell many of our inventory items before payment is due to the supplier of such items. Our ongoing capital expenditures are principally related to opening of new restaurants, existing capital investments (both for remodels and maintenance), as well as investments in our restaurant support center infrastructure.

Based upon current levels of operations and anticipated growth, we expect that cash flows from operations will be sufficient to meet our needs for at least the next twelve months, and the foreseeable future.

See Note 8. Debt for a discussion of the 2023 Credit Agreement, effective February 2, 2023.

Secondary Offering

In the first quarter of 2023, the Company completed a secondary offering of 8,000,000 shares of the Company's Class A common stock at an offering price of $21.05 per share (the "Q1 Secondary Offering"). The Company granted Morgan Stanley & Co. LLC, the underwriter (the "Underwriter"), a 30-day option to purchase up to an additional 1,200,000 shares of Class A common stock. On April 5, 2023, the Underwriter exercised its overallotment option in part, to purchase an additional 620,493 shares of the Company's Class A common stock (see Note 16. Subsequent Events for additional details). We used all of the net proceeds from the secondary offerings to purchase LLC Units and corresponding shares of Class B common stock from certain pre-IPO LLC Members and to repurchase shares of Class A common stock from the shareholders of the Blocker Companies at a price per LLC Unit or share of Class A common stock, as applicable, equal to the public offering price per share of Class A common stock, less the underwriting discounts and commissions. As a result, Portillo’s did not receive any proceeds from the offering, and the total number of shares of Class A common stock and Class B common stock did not change; however, the number of

Portillo's Inc. Form 10-Q | 31

outstanding shares of Class A common stock increased by the same number of the canceled shares of Class B common stock.

Tax Receivable Agreement

In connection with the IPO, we entered into a Tax Receivable Agreement ("TRA") with certain of our pre-IPO LLC Members, pursuant to which we will generally be required to pay 85% of the amount of cash savings, if any, in U.S. federal, state, and local income tax that we actually realize or be deemed to realize, as a result of (i) our allocable share of existing tax basis in depreciable or amortizable assets relating to LLC Units acquired in the IPO, (ii) certain favorable tax attributes acquired by the Company from entities treated as corporations for U.S. tax purposes that held LLC Units prior to the Transactions ("Blocker Companies") (including net operating losses and the Blocker Companies' allocable share of existing tax basis), (iii) increases in our allocable share of then existing tax basis in depreciable or amortizable assets, and adjustments to the tax basis of the tangible and intangible assets, of Portillo’s OpCo and its subsidiaries, as a result of (x) sales or exchanges of interests in Portillo’s OpCo (including the repayment of the redeemable preferred units) in connection with the IPO and (y) future redemptions or exchanges of LLC Units by pre-IPO LLC Members for Class A common stock and (iv) certain other tax benefits related to entering into the TRA, including payments made under the TRA.

As of March 26, 2023, we estimate that our obligation for future payments under the TRA totaled $298.8 million. Amounts payable under the TRA are contingent upon, among other things, (i) generation of future taxable income over the term of the TRA and (ii) future changes in tax laws. If we do not generate sufficient taxable income in the aggregate over the term of the TRA to utilize the tax benefits, then we would not be required to make the related TRA payments. The payments that we are required to make will generally reduce the amount of overall cash flow that might have otherwise been available to us, but we expect the cash tax savings we will realize to fund the required payments. Assuming no material changes in relevant tax law and that we earn sufficient taxable income to realize all tax benefits that are subject to the TRA, we estimate that the tax savings associated with all tax attributes described above would aggregate to approximately $351.5 million as of March 26, 2023. Under this scenario, we would be required to pay the TRA Parties approximately 85% of such amount, or $298.8 million, primarily over the next 15 years, substantially declining in year 16 through year 47. In the quarter ended March 26, 2023, we made a TRA payment of $0.8 million relating to tax year 2021. We expect a payment of $6.3 million relating to tax year 2022 to be paid within the next 12 months.

Summary of Cash Flows

The following table presents a summary of our cash flows from operating, investing and financing activities (in thousands):

	Quarter Ended
	March 26, 2023		March 27, 2022
Net cash provided by operating activities	$	6,486	$	800
Net cash used in investing activities	(20,190)		(6,279)
Net cash used in financing activities	(16,112)		(1,602)
Net decrease in cash and cash equivalents and restricted cash	(29,816)		(7,081)
Cash and cash equivalents and restricted cash at beginning of period	44,427		39,263
Cash and cash equivalents and restricted cash at end of period	$	14,611	$	32,182

Operating Activities

Net cash provided by operating activities for the quarter ended March 26, 2023 was $6.5 million compared to net cash provided by operating activities of $0.8 million for the quarter ended March 27, 2022, an increase of $5.7 million or 710.8%. This increase was primarily driven by the change in operating assets and liabilities of $6.4 million and the change in non-cash items of $1.1 million, partially offset by lower net income of $1.8 million.

The $6.4 million change in our operating assets and liabilities balances was primarily driven by operating assets and liabilities being a use of net cash of $4.0 million in the quarter ended March 26, 2023, compared to a use of net cash of $10.4 million in quarter ended March 27, 2022 driven by the change in accrued expenses and other liabilities in the quarter ended March 26, 2023. The $1.1 million change from the quarter ended March 26, 2023 in non-cash charges is primarily attributable to loss on debt extinguishment. The decrease in net (loss) income for the quarter ended March 26, 2023 was primarily due to a decrease in net (loss) income primarily due to the factors driving the aforementioned expenses as described in condensed consolidated results of operations.

Portillo's Inc. Form 10-Q | 32

Investing Activities

Net cash used in investing activities was $20.2 million for the quarter ended March 26, 2023 compared to $6.3 million for the quarter ended March 27, 2022, an increase of $13.9 million or 221.5%. This increase was primarily due to the number of restaurant openings and buildings in process during the first quarter of 2023 compared to the first quarter of 2022.

Financing Activities

Net cash used in financing activities was $16.1 million for the quarter ended March 26, 2023 compared to net cash used in financing activities of $1.6 million for the quarter ended March 27, 2022, an increase of $14.5 million or 905.7%. This increase is primarily due to the refinancing of our long-term debt as described in Note 8. Debt and the payment of deferred financing costs of $3.6 million.

2023 Revolver Facility and Liens

On February 2, 2023, Holdings, the Borrower, the other Guarantors party thereto from time to time, each lender party thereto from time to time and Fifth Third Bank, National Association, as Administrative Agent, L/C Issuer and Swing Line Lender entered into the 2023 Credit Agreement which provides for the 2023 Term Loan in an initial aggregate principal amount of $300.0 million and the 2023 Revolver Facility in an initial aggregate principal amount of $100.0 million. The proceeds under the 2023 Term Loan and 2023 Revolver Facility, along with cash on hand, were used to repay outstanding indebtedness under the 2014 Credit Agreement and to pay related transaction expenses. The 2023 Term Loan and 2023 Revolver Facility are scheduled to mature on February 2, 2028.

As of March 26, 2023, we had $10.0 million of borrowings under the 2023 Revolver Facility, and letters of credit issued under the 2023 Revolver Facility totaled $4.4 million. As a result, as of March 26, 2023, the Company had $85.6 million available under the 2023 Revolver Facility.

The 2023 Credit Agreement also includes certain financial covenants with respect to cash interest coverage and total net rent adjusted leverage. As of March 26, 2023, the Company was in compliance with all covenants in the 2023 Credit Agreement.

Material Cash Requirements

There have been no additional material changes to the material cash requirements as disclosed in our Annual Report on Form 10-K for the fiscal year ended December 25, 2022, other than those payments made in the ordinary course of business.

Refer to Note 8. Debt for a description of a Credit Agreement and the repayment of borrowings.

Critical Accounting Estimates

This discussion and analysis of financial condition and results of operations is based upon the Company's condensed consolidated financial statements, which have been prepared in accordance with GAAP. The preparation of these financial statements requires the Company to make estimates, judgments, and assumptions that can have a meaningful effect on the reporting of condensed consolidated financial statements. There have been no significant changes to our critical accounting estimates or significant accounting policies as disclosed in our Annual Report on Form 10-K for the fiscal year ended December 25, 2022.

The Company reviewed all other recently issued accounting pronouncements and concluded that they were either not applicable or not expected to have a significant impact to its condensed consolidated financial statements.

Portillo's Inc. Form 10-Q | 33

JOBS Act

We qualify as an emerging growth company ("EGC") pursuant to the provisions of the Jumpstart our Business Startups (“JOBS”) Act. For as long as we are an EGC, we may take advantage of certain exemptions from various reporting requirements that are applicable to other public companies that are not EGCs, including, but not limited to, not being required to comply with the auditor attestation requirements of Section 404(b) of the Sarbanes-Oxley Act, reduced disclosure obligations regarding executive compensation in our periodic reports and proxy statements, exemptions from the requirements of holding advisory “say-on-pay” votes on executive compensation and shareholder advisory votes on golden parachute compensation.

In addition, Section 107 of the JOBS Act also provides that an EGC can take advantage of the extended transition period provided in Section 7(a)(2)(B) of the Securities Act for complying with new or revised accounting standards. An EGC can therefore delay the adoption of certain accounting standards until those standards would otherwise apply to private companies. We intend to take advantage of the extended transition period.

We will remain an EGC until the last day of the fiscal year following the fifth anniversary of the date of the first sale of our Class A common stock pursuant to an effective registration statement, which was October 21, 2021, unless, prior to that time, we have more than $1.07 billion in annual gross revenue, have a market value for our Class A common stock held by non-affiliates of more than $700 million as of the last day of our second fiscal quarter of the fiscal year and a determination is made that we are deemed to be a “large accelerated filer,” as defined in Rule 12b-2 promulgated under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or issue more than $1.0 billion of non-convertible debt over a three-year period, whether or not issued in a registered offering. We have availed ourselves of the reduced reporting obligations with respect to executive compensation disclosure and expect to continue to avail ourselves of the reduced reporting obligations available to EGCs in future filings.

Portillo's Inc. Form 10-Q | 34

Item 3. Quantitative and Qualitative Disclosures About Market Risk.

There have been no material changes to our exposure to market risks as described in Part II, Item 7A of our Annual Report on Form 10-K for the fiscal year ended December 25, 2022.

Item 4. Controls and Procedures.

EVALUATION OF DISCLOSURE CONTROLS AND PROCEDURES

Under the supervision and with the participation of our management, including the Chief Executive Officer and Chief Financial Officer, we conducted an evaluation of the effectiveness of our disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as of the end of the period covered by this report. Based on this evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of such date. Our disclosure controls and procedures are designed to ensure that information required to be disclosed in the reports we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC's rules and forms and that such information is accumulated and communicated to management, including the Chief Executive Officer and Chief Financial Officer, to allow timely decisions regarding required disclosure.

CHANGES IN INTERNAL CONTROL OVER FINANCIAL REPORTING

There were no changes to our internal control over financial reporting that occurred during the quarter ended March 26, 2023 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Portillo's Inc. Form 10-Q | 35

PART II – OTHER INFORMATION

Item 1. Legal Proceedings.

Information regarding certain legal proceedings to which the Company is a party are discussed in Note 14. Contingencies in the notes to the unaudited condensed consolidated financial statements and is incorporated herein by reference.

Item 1A. Risk Factors.

Other than as set forth below, there have been no material changes to the risk factors disclosed in the Company's Annual Report on Form 10-K for the year ended December 25, 2022:

Matters relating to employment and labor law could have a material adverse effect, result in litigation or additional union activities, add significant costs and divert management attention.

Various federal and state labor laws govern our relationships with our team members and affect our operating costs. Our operations are subject to the U.S. Occupational Safety and Health Act, which governs worker health and safety, the U.S. Fair Labor Standards Act, which governs such matters as minimum wages and overtime, and a variety of similar federal, state and local laws that govern these and other employment law matters. These laws include employee classifications as exempt or non-exempt, minimum wage requirements, unemployment tax rates, workers’ compensation rates, overtime, family leave, working conditions, safety standards, immigration status, state and local payroll taxes, federal and state laws which prohibit discrimination, citizenship requirements and other wage and benefit requirements for team members classified as non-exempt. In addition, with the passage in 2010 of the U.S. Patient Protection and Affordable Care Act (the “ACA”), we are required to provide affordable coverage, as defined in the ACA, to eligible team members, or otherwise be subject to a payment per team member based on the affordability criteria in the ACA. Additionally, some states and localities have passed state and local laws mandating the provision of certain levels of health benefits by some employers. Significant additional government regulations and new laws, including mandated increases in minimum wages, changes in exempt and non-exempt status, or increased mandated benefits such as health care and insurance costs could have a material adverse effect on our business, financial condition and results of operations. In addition, changes in federal or state workplace regulations could adversely affect our ability to meet our financial targets.

Federal law requires that we verify that our workers have the proper documentation and authorization to work in the U.S. Although we require all workers to provide us with government-specified documentation evidencing their employment eligibility, some of our team members may, without our knowledge, be unauthorized workers. We currently participate in the “E-Verify” program, an Internet-based, free program run by the U.S. government to verify employment eligibility, in Arizona, which is the only state in which we operate where participation is required. However, use of the “E-Verify” program does not guarantee that we will properly identify all applicants who are ineligible for employment, and we are not utilizing “E-Verify” in any other states where we operate. Unauthorized workers are subject to deportation and may subject us to fines or penalties, and if any of our workers are found to be unauthorized, we could experience adverse publicity that may negatively impact our brand and may make it more difficult to hire and keep qualified team members. Termination of a significant number of team members who are unauthorized employees may disrupt our operations, cause temporary increases in our labor costs as we train new team members and result in adverse publicity. We could also become subject to fines, penalties and other costs related to claims that we did not fully comply with all recordkeeping obligations of federal and state immigration compliance laws. These factors could materially adversely affect our business, financial condition and results of operations.

Portillo's Inc. Form 10-Q | 36

Our business is subject to the risk of litigation by team members, consumers, suppliers, shareholders or others through private actions, class actions, administrative proceedings, regulatory actions or other litigation. The outcome of litigation, particularly class action and regulatory actions, is difficult to assess or quantify. In recent years, restaurant companies, including us, have been subject to lawsuits alleging violations of federal and state laws regarding workplace and employment conditions, discrimination and similar matters, and some restaurants have been subject to class action lawsuits in respect of such matters. A number of these lawsuits have resulted in the payment of substantial damages by the defendants. Similar lawsuits have been instituted from time to time alleging violations of various federal and state wage and hour laws regarding, among other things, employee meal deductions, overtime eligibility of managers and failure to pay for all hours worked. Regardless of whether any claims against us are valid or whether we are liable, claims may be expensive to defend and may divert time and money away from our operations and result in increases in our insurance premiums. In addition, they may generate negative publicity, which could reduce guest traffic and sales. Although we maintain what we believe to be adequate levels of insurance, insurance may not be available at all or in sufficient amounts to cover any liabilities with respect to these or other matters. A judgment or other liability in excess of our insurance coverage for any claims or any adverse publicity resulting from claims could have a material adverse effect on our business, financial condition and results of operations.

On April 13, 2023, certain of our team members at one of our commissaries elected to be represented by a union, and we are currently working with those team members and the National Labor Relations Board on the unionization process. Although we have not received other petitions to unionize, it is possible that additional team members may elect to be represented by labor unions in the future. If a significant number of our team members were to become unionized and collective bargaining agreement terms were significantly different from our current compensation arrangements, it could have a material adverse effect on our business, financial condition and results of operations. In addition, a labor dispute involving some or all our team members may harm our reputation, disrupt our operations and reduce our revenues, and resolution of disputes could increase our costs. Further, if we enter into a new market with unionized construction companies, or the construction companies in our current markets become unionized, construction and build-out costs for new restaurants in such markets could materially increase.

Changes in market and general economic conditions have in the past adversely affected, and may in the future adversely affect, our business and profitability and cause volatility in our results of operations.

Recently, concerns have arisen with respect to the financial condition of a number of banking organizations in the United States, in particular those with exposure to certain types of depositors and large portfolios of investment securities. In early March, the FDIC was appointed the receiver for both Silicon Valley Bank and Signature Bank in early March 2023 and First Republic Bank in early May 2023 after the banks were closed by regulators. While we do not have any exposure to these banks, we do hold the cash and cash equivalents used to meet our working capital and operating expense needs, primarily at one financial institution, often in balances that exceed the current FDIC insurance limits. If other banks and financial institutions enter receivership or become insolvent in the future, our ability to access our cash and cash equivalents to satisfy our operations may be threatened and could have a material adverse effect on our business and financial condition. We may also lose amounts in excess of the FDIC insurance limits and there can be no guarantee that the government would intervene. Our ability to borrow under our existing credit facilities, as well as our ability to secure additional sources of financing, may be impacted in significant ways. We may also be adversely impacted by increased costs of capital resulting from additional regulatory changes and requirements. Our vendors and service providers may also suffer disruptions that in turn adversely impact our operations and business.

Economic and market conditions have had, and will continue to have, a direct and material impact on our results of operations and financial condition because our performance is heavily influenced by the overall strength of general economic conditions. Concerns about or future adverse developments in the global and domestic financial markets also impact confidence in economic conditions, specifically consumer confidence. In a time of uncertainty or a downturn, consumers may be willing to spend less with our business. There may be additional risks that we have not yet identified. We continue to monitor the potential impact on our business.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.

Secondary Offering

In the first quarter of 2023, the Company completed a secondary offering of 8,000,000 shares of the Company's Class A common stock at an offering price of $21.05 per share ("Q1 Secondary Offering"). The Company granted Morgan Stanley & Co. LLC, the underwriter (the "Underwriter"), a 30-day option to purchase up to an additional 1,200,000 shares of Class A common stock. On April 5, 2023, the Underwriter exercised its overallotment option in part, to purchase an additional 620,493 shares of the Company's Class A common stock (See Note 16. Subsequent Events for additional details). We used all of the net proceeds from the Q1 Secondary Offering to purchase LLC Units and corresponding shares of Class B common stock from certain pre-IPO LLC Members and to repurchase shares of Class A common stock from the shareholders of the Blocker Companies at a price per LLC Unit or share of Class A common stock, as applicable equal to the public offering

Portillo's Inc. Form 10-Q | 37

price per share of Class A common stock, less the underwriting discounts and commissions. The proceeds from the Q1 Secondary Offering were used to (i) purchase 2,106,400 existing shares of Class A common stock from the shareholders of the Blocker Companies and (ii) redeem 5,893,600 LLC Units held by the pre-IPO LLC Members. In connection with the redemption, 5,893,600 shares of Class B common stock were surrendered by the pre-IPO LLC Members and canceled and the Company received 5,893,600 newly-issued LLC Units, increasing the Company's total ownership interest in Portillo's OpCo. As a result, Portillo’s did not receive any proceeds from the offering, and the total number of shares of Class A common stock and Class B common stock did not change; however, the number of outstanding shares of Class A common stock increased by the same number of the canceled shares of Class B common stock.

Item 3. Defaults Upon Senior Securities.

None.

Item 4. Mine Safety Disclosures.

Not applicable.

Item 5. Other Information.

None.

Portillo's Inc. Form 10-Q | 38

Item 6. Exhibits.

Exhibit Number		Description	Filed Herewith
3.1		Amended and Restated Certificate of Incorporation of Portillo's Inc. (incorporated by reference to Exhibit 3.1 of the Company's Quarterly Report on Form 10-Q filed on November 18, 2021)
3.2		Amended and Restated Bylaws of Portillo’s Inc. (incorporated by reference to Exhibit 3.2 of the Company's Quarterly Report on Form 10-Q filed on November 18, 2021)
10.1	†	Employment Agreement between PHD Group Holdings LLC and Derrick Pratt, entered into as of August 10, 2020	*
10.2		Form of Stock and Unit Purchase Agreement by and among Portillo’s Inc. and the parties named therein (incorporated by reference to the Company's Registration Statement on S-1 filed on August 8, 2022)
31.1		Certification of the Principal Executive Officer pursuant to Securities Exchange Act Rules 13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002	*
31.2		Certification of the Principal Financial Officer pursuant to Securities Exchange Act Rules 13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002	*
32.1		Certifications of the Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002	#
101.INS		XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document	*
101.SCH		XBRL Taxonomy Extension Schema Document	*
101.CAL		XBRL Taxonomy Extension Calculation Linkbase Document	*
101.DEF		XBRL Taxonomy Extension Definition Linkbase Document	*
101.LAB		XBRL Taxonomy Extension Label Linkbase Document	*
101.PRE		XBRL Taxonomy Extension Presentation Linkbase Document	*
104		Cover page Interactive Data File - the cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document	*

*    Filed Herewith

#     Furnished Herewith

†    Indicates a management contract or compensatory plan or agreement

Portillo's Inc. Form 10-Q | 39

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

 

		Portillo's Inc.
		(Registrant)
Date: May 4, 2023	By:	/s/ Michael Osanloo
		Michael Osanloo
		President, Chief Executive Officer and Director (Principal Executive Officer)
Date: May 4, 2023	By:	/s/ Michelle Hook
		Michelle Hook
		Chief Financial Officer and Treasurer (Principal Financial Officer and Principal Accounting Officer)

Portillo's Inc. Form 10-Q | 40

EX-10.1

Exhibit 10.1

Portillo's Hot Dogs, LLC • 200 l Spring Road, Suite 400, Oak Brook, IL 60523-3930 • (630) 954-3773 • Fax (630) 954-5851• www.portillos.com

August 10, 2020

Derrick Pratt

Via email: derrick.pratt@hotmail.com

Dear Derrick:

Portillo's Hot Dogs, LLC is delighted to make a contingent offer to you for the position of SVP, Restaurants, reporting directly to Michael Osanloo, CEO. We value your experience and believe your expertise will help us drive our strategic restaurant people development, restaurant sales and other priorities, allowing us to reach our overall strategic goals.

Your starting date is set as September 14, 2020. We understand that you will be selling your home and relocating your family, so abundant flexibility is available while you attend to these issues. We will coordinate a suitable schedule with you for time in the restaurants, Restaurant Support Center, to meet the Senior Team and your direct reports to ensure alignment with Portillo's strategic goals and your success.

The starting salary is $400,000.00 per year and is paid on a bi-weekly basis. You will also be eligible to participate in a discretionary annual bonus program at 50% of your base salary. Since you will be starting during the 2020 fiscal year, your 2020 bonus payout will be a fixed amount of $50,000.00. Bonus payments are generally paid on or around April 1 for performance in the prior year. Direct deposit is available for paychecks, and we highly encourage all employees to use it. You will receive a Sign-on Bonus to assist you in covering costs you will incur to relocate in the net amount of $85,000. In addition, you will receive a Retention Bonus of $150,000 (gross) payable $100,000.00 on January 15, 2021 and $50,000 on July 15, 2021. Should your employment be terminated by Portillo' s for Cause or if you voluntary resign within 1 year of your starting date, you will be required to repay Portillo's Hot Dogs, LLC the full amount of the Sign-on Bonus and Retention Bonus. Should your employment be terminated by Portillo's for Cause or if you voluntary resign after the first year but prior to the second anniversary of your start date, you will be required to repay Portillo's Hot Dogs, LLC one-half of the Sign-on Bonus and Retention Bonus. All repayment requirements will be based on the gross payment amount of your Sign-on Bonus and Retention Bonus and not the net amount and shall be made within ten (10) business days of termination.

Your position is also eligible to participate in the executive stock option program. Your position will be eligible for a grant of 900,000 options, (split evenly between Time and Time/Performance Options) subject to final approval by the Board of Managers. Full family medical, dental, and vision coverage are offered through our company's employee benefit plan and is effective after a 60-day waiting period, with 100% payment of the premium equivalent by the Company, so long as such full payment is permitted by law. In the event you are currently covered under a health plan and intend to exercise your COBRA rights during the waiting period, Portillo's will pay that cost on your behalf until your waiting period is met. In addition, you will be provided with a Company car. Those arrangements will be completed once you have started your position.

Pratt

Page 2

Portillo's offers a paid vacation plan. You will receive 4 weeks' vacation, to be accrued on a pro rated monthly basis. Eligibility for the company 401K retirement plan begins after 90 days of employment. In addition, we offer a non-qualified deferred compensation plan for our highly compensated employees. You will be eligible for participation in this plan in 2021.

This is an offer of employment only and should not be construed as an employment contract. Your employment with the company is contingent upon your execution and return of the Confidentiality, Work for Hire and Non-Solicitation Agreement, attached.

I am excited to have you join our Portillo's family and know that you will live our values of family, greatness, energy and fun! Please feel free to contact me via email jwaite@portillo's.com or my cell phone (925) 822-7040 with any questions.

If you choose to accept this contingent job offer, please sign below and return it to me at your earliest convenience.

We look forward to welcoming you to the Portillo's team.

Sincerely,

Jill Waite, CHRO

Portillo's Hot Dogs LLC

I hereby accept the contingent offer as SVP, Restaurants

/s/ Derrick Pratt

Signature – Derrick Pratt

August 13, 2020

Date

EX-31.1

Exhibit 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO RULE 13A-14(A) UNDER THE SECURITIES EXCHANGE ACT OF 1934,

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Michael Osanloo, certify that:

1.		I have reviewed this Quarterly Report on Form 10-Q for the quarterly period ended March 26, 2023 of Portillo's Inc.;
2.		Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3.		Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4.		The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the registrant and have:
	a)	Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
	b)	[Omitted];
	c)	Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation;
	d)	Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and
5.		The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):
	a)	All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and
	b)	Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 4, 2023	By:	/s/ Michael Osanloo
		Michael Osanloo
		President, Chief Executive Officer and Director (Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO RULE 13A-14(A) UNDER THE SECURITIES EXCHANGE ACT OF 1934,

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Michelle Hook, certify that:

1.		I have reviewed this Quarterly Report on Form 10-Q for the quarterly period ended March 26, 2023 of Portillo's Inc.;
2.		Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3.		Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4.		The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the registrant and have:
	a)	Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
	b)	[Omitted];
	c)	Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation;
	d)	Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and
5.		The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):
	a)	All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and
	b)	Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 4, 2023	By:	/s/ Michelle Hook
		Chief Financial Officer and Treasurer (Principal Financial Officer and Principal Accounting Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Portillo's Inc. (the “Company”), for the quarterly period ended March 26, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned officers of the Company certifies pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of such officer's knowledge:

1	The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
2	The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: May 4, 2023	By:	/s/ Michael Osanloo
		Michael Osanloo
		President, Chief Executive Officer and Director (Principal Executive Officer)

Date: May 4, 2023	By:	/s/ Michelle Hook
		Michelle Hook
		Chief Financial Officer and Treasurer (Principal Financial Officer and Principal Accounting Officer)

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COVER PAGE - shares	3 Months Ended
	Mar. 26, 2023	Apr. 27, 2023
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 26, 2023
Document Transition Report	false
Entity File Number	001-40951
Entity Registrant Name	PORTILLO'S INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	87-1104304
Entity Address, Address Line One	2001 Spring Road
Entity Address, Address Line Two	Suite 400
Entity Address, City or Town	Oak Brook
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60523
City Area Code	630
Local Phone Number	954-3773
Title of 12(b) Security	Class A common stock, $0.01 par value per share
Trading Symbol	PTLO
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		55,001,124
Entity Central Index Key	0001871509
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1

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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Mar. 26, 2023	Dec. 25, 2022
CURRENT ASSETS:
Cash and cash equivalents and restricted cash	$ 14,611	$ 44,427
Accounts receivable	10,129	8,590
Inventory	5,259	7,387
Prepaid expenses	5,879	4,922
Total current assets	35,878	65,326
Property and equipment, net	237,216	227,036
Operating lease assets	173,414	166,808
Goodwill	394,298	394,298
Trade names	223,925	223,925
Other intangible assets, net	31,078	31,800
Equity method investment	16,238	16,274
Deferred tax assets	185,943	150,497
Other assets	3,713	4,119
Total other assets	855,195	820,913
TOTAL ASSETS	1,301,703	1,280,083
CURRENT LIABILITIES:
Accounts payable	22,130	30,273
Current portion of long-term debt	7,500	4,155
Current portion of Tax Receivable Agreement liability	6,309	813
Short-term debt	10,000	0
Current deferred revenue	5,120	7,292
Short-term operating lease liability	5,088	4,849
Accrued expenses	27,592	29,915
Total current liabilities	83,739	77,297
LONG-TERM LIABILITIES:
Long-term debt, net of current portion	288,979	314,425
Tax Receivable Agreement liability	292,490	252,003
Long-term operating lease liability	210,682	200,166
Other long-term liabilities	2,827	3,291
Total long-term liabilities	794,978	769,885
Total liabilities	878,717	847,182
COMMITMENTS AND CONTINGENCIES (NOTE 14)
STOCKHOLDERS' EQUITY:
Preferred stock, $0.01 par value per share, 10,000,000 shares authorized, none issued or outstanding	0	0
Additional paid-in-capital	294,984	260,664
Accumulated deficit	(5,326)	(4,812)
Total stockholders' equity attributable to Portillo's Inc.	290,203	256,336
Non-controlling interest	132,783	176,565
Total stockholders' equity	422,986	432,901
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,301,703	1,280,083
Class A Common Stock
STOCKHOLDERS' EQUITY:
Common stock	545	484
Class B Common Stock
STOCKHOLDERS' EQUITY:
Common stock	$ 0	$ 0

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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - $ / shares	Mar. 26, 2023	Dec. 25, 2022
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Class A Common Stock
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock authorized (in shares)	380,000,000	380,000,000
Common stock issued (in shares)	54,467,951	48,420,723
Common stock outstanding (in shares)	54,467,951	48,420,723
Class B Common Stock
Common stock, par value (in usd per share)	$ 0.00001	$ 0.00001
Common stock authorized (in shares)	50,000,000	50,000,000
Common stock issued (in shares)	17,943,562	23,837,162
Common stock outstanding (in shares)	17,943,562	23,837,162

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CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2023	Mar. 27, 2022
Income Statement [Abstract]
REVENUES, NET	$ 156,061	$ 134,482
Restaurant operating expenses:
Cost of goods sold, excluding depreciation and amortization	53,626	46,266
Labor	40,459	37,313
Occupancy	8,451	7,755
Other operating expenses	18,704	15,165
Total restaurant operating expenses	121,240	106,499
General and administrative expenses	18,778	15,687
Pre-opening expenses	2,344	556
Depreciation and amortization	5,670	5,205
Net income attributable to equity method investment	(207)	(123)
Other income, net	(257)	(156)
OPERATING INCOME	8,493	6,814
Interest expense	7,444	6,099
Tax Receivable Agreement Liability adjustment	(584)	0
Loss on debt extinguishment	3,465	0
(LOSS) INCOME BEFORE INCOME TAXES	(1,832)	715
Income tax (benefit) expense	(559)	165
NET (LOSS) INCOME	(1,273)	550
Net (loss) income attributable to non-controlling interests	(759)	356
NET (LOSS) INCOME ATTRIBUTABLE TO PORTILLO'S INC.	$ (514)	$ 194
Net (loss) income per common share attributable to Portillo's Inc.:
Basic (in usd per share)	$ (0.01)	$ 0.01
Diluted (in usd per share)	$ (0.01)	$ 0.00
Weighted-average common shares outstanding:
Basic (in shares)	49,599,074	35,807,171
Diluted (in shares)	49,599,074	39,944,086

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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Class A Common Stock	Class B Common Stock	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional Paid-in Capital	Accumulated Deficit	Non-Controlling Interest
Beginning balance (in shares) at Dec. 26, 2021				35,807,171	35,673,321
Beginning balance at Dec. 26, 2021	$ 423,406			$ 358	$ 0	$ 186,856	$ (15,950)	$ 252,142
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (loss)	550						194	356
Equity-based compensation	3,785					1,896		1,889
Ending balance (in shares) at Mar. 27, 2022				35,807,171	35,673,321
Ending balance at Mar. 27, 2022	427,741			$ 358	$ 0	188,752	(15,756)	254,387
Beginning balance (in shares) at Dec. 25, 2022		48,420,723	23,837,162	48,420,723	23,837,162
Beginning balance at Dec. 25, 2022	432,901			$ 484	$ 0	260,664	(4,812)	176,565
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (loss)	(1,273)						(514)	(759)
Equity-based compensation	3,537					2,425		1,112
Activity under equity-based compensation plans (in shares)				153,628
Activity under equity-based compensation plans	713			$ 2		711
Redemption of LLC Units in connection with the secondary offering (in shares)			5,893,600	5,893,600	(5,893,600)
Redemption of LLC Units in connection with the secondary offering	0			$ 59		(59)
Non-controlling interest adjustment	0					43,736		(43,736)
Distributions paid to non-controlling interest holders	(399)							(399)
Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis	(12,493)					(12,493)
Ending balance (in shares) at Mar. 26, 2023		54,467,951	17,943,562	54,467,951	17,943,562
Ending balance at Mar. 26, 2023	$ 422,986			$ 545	$ 0	$ 294,984	$ (5,326)	$ 132,783

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2023	Mar. 27, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (loss) income	$ (1,273)	$ 550
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	5,670	5,205
Amortization of debt issuance costs and discount	431	621
Loss on sales of assets	118	22
Equity-based compensation	3,537	3,785
Deferred rent and tenant allowance	0	1,253
Deferred income tax (benefit) expense	(559)	165
Tax Receivable Agreement Liability adjustment	(584)	0
Amortization of deferred lease incentives	0	(105)
Gift card breakage	(329)	(293)
Loss on debt extinguishment	3,465	0
Changes in operating assets and liabilities:
Accounts receivable	499	1,816
Receivables from related parties	(101)	(8)
Inventory	2,128	931
Other current assets	(957)	(319)
Operating lease assets	2,081	0
Accounts payable	(3,160)	(3,708)
Accrued expenses and other liabilities	(4,513)	(9,745)
Operating lease liabilities	(798)	0
Deferred lease incentives	850	600
Other assets and liabilities	(19)	30
NET CASH PROVIDED BY OPERATING ACTIVITIES	6,486	800
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(20,216)	(6,279)
Proceeds from the sale of property and equipment	26	0
NET CASH USED IN INVESTING ACTIVITIES	(20,190)	(6,279)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from short-term debt, net	10,000	0
Proceeds from long-term debt	300,000	0
Payments of long-term debt	(322,428)	(831)
Proceeds from equity offering, net of underwriting discounts	166,400	0
Repurchase of outstanding equity / Portillo's OpCo units	(166,400)	0
Proceeds from stock option exercises	590	0
Employee withholding taxes related to net settled equity awards	(19)	0
Proceeds from Employee Stock Purchase Plan purchases	127	0
Payments of Tax Receivable Agreement liability	(813)	0
Payment of deferred financing costs	(3,569)	0
Payment of initial public offering issuance costs	0	(771)
NET CASH USED IN FINANCING ACTIVITIES	(16,112)	(1,602)
NET DECREASE IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH	(29,816)	(7,081)
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF THE PERIOD	44,427	39,263
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AT END OF THE PERIOD	14,611	32,182
SUPPLEMENTAL CASH FLOW INFORMATION
Interest paid	5,703	5,356
Income tax paid	0	0
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Accrued capital expenditures	4,852	1,626
Establishment of liabilities under Tax Receivable Agreement	$ 47,380	$ 0

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DESCRIPTION OF BUSINESS

3 Months Ended

Mar. 26, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

DESCRIPTION OF BUSINESS

DESCRIPTION OF BUSINESS

Portillo’s Inc. (the "Company") was formed and incorporated as a Delaware corporation on June 8, 2021. The Company was formed for the purpose of completing an initial public offering ("IPO") and related reorganization transactions (collectively, the "Transactions”) in order to carry on the business of PHD Group Holdings LLC and its subsidiaries ("Portillo's OpCo"). Following the consummation of the Transactions on October 20, 2021, the Company became the sole managing member of Portillo’s OpCo, and as sole managing member, the Company operates and controls all of the business and affairs of Portillo's OpCo. As a result, the Company consolidates the financial results of Portillo's OpCo and reports a non-controlling interest representing the economic interest in Portillo's OpCo held by the other members of Portillo's OpCo (the "pre-IPO LLC Members"). Unless the context otherwise requires, references to "we," "us," "our," "Portillo's," and the "Company" refer to Portillo's Inc. and its subsidiaries, including Portillo's OpCo.

The Company operates fast-casual restaurants in 10 states, along with two food production commissaries in Illinois. As of March 26, 2023 and December 25, 2022, the Company had 74 and 71 restaurants in operation, respectively, excluding a restaurant owned by C&O Chicago, LLC ("C&O"), of which Portillo's owns 50% of the equity. The Company also had two non-traditional locations in operation as of March 26, 2023 and December 25, 2022. These non-traditional locations include a food truck and a ghost kitchen (small kitchen with no store-front presence, used to fill online orders). Portillo's additionally has a 50% interest in a single restaurant owned by C&O. The Company’s principal corporate offices are located in Oak Brook, Illinois.

Secondary Offerings

In the first quarter of 2023, the Company completed a secondary offering of 8,000,000 shares of the Company's Class A common stock at an offering price of $21.05 per share (the "Q1 Secondary Offering"). The Company granted Morgan Stanley & Co. LLC, the underwriter (the "Underwriter"), a 30-day option to purchase up to an additional 1,200,000 shares of Class A common stock. On April 5, 2023, the Underwriter exercised its overallotment option in part, to purchase an additional 620,493 shares of the Company's Class A common stock (see Note 16. Subsequent Events for additional details). We used all of the net proceeds from the Q1 Secondary Offering to purchase LLC Units and corresponding shares of Class B common stock from certain pre-IPO LLC Members and to repurchase shares of Class A common stock from the shareholders of the entities treated as corporations for U.S. tax purposes that held LLC Units prior to the Transactions ("Blocker Companies") at a price per LLC Unit or share of Class A common stock, as applicable, equal to the public offering price per share of Class A common stock, less the underwriting discounts and commissions. The proceeds from the Q1 Secondary Offering were used to (i) purchase 2,106,400 existing shares of Class A common stock from the shareholders of the Blocker Companies and (ii) redeem 5,893,600 LLC Units held by the pre-IPO LLC Members. In connection with the redemption, 5,893,600 shares of Class B common stock were surrendered by the pre-IPO LLC Members and canceled and the Company received 5,893,600 newly-issued LLC Units, increasing the Company's total ownership interest in Portillo's OpCo. As a result, Portillo’s did not receive any proceeds from the offering, and the total number of shares of Class A common stock and Class B common stock did not change; however, the number of outstanding shares of Class A common stock increased by the same number of the canceled shares of Class B common stock.

In the third and fourth quarters of 2022, the Company completed two secondary offerings of 8,066,458 shares (including 66,458 shares sold to the underwriters pursuant to their overallotment option) and 8,000,000 shares, respectively, of the Company's Class A common stock at an offering price of $23.75 and $22.69, respectively, per share.

As of March 26, 2023, the Company owns 75.2% of Portillo's OpCo and the pre-IPO LLC Members own the remaining 24.8% of Portillo's OpCo.

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

3 Months Ended

Mar. 26, 2023

Accounting Policies [Abstract]

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial information.

The Company has prepared the accompanying unaudited condensed consolidated financial statements in accordance with GAAP for interim financial statements and pursuant to the rules and regulations of the Securities and Exchange Commission (the "SEC"). In the opinion of management, the accompanying unaudited condensed consolidated financial statements reflect all adjustments consisting of normal recurring adjustments necessary for a fair presentation of our financial position and results of operations. Interim results of operations are not necessarily indicative of the results that may be achieved for the full year. The financial statements and related notes do not include all information and footnotes required by GAAP for annual reports. The unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in our Annual Report on Form 10-K for the fiscal year ended December 25, 2022.

All intercompany balances and transactions have been eliminated in consolidation.

The Company does not have any components of other comprehensive income (loss) recorded within its condensed consolidated financial statements, and therefore, does not separately present a statement of comprehensive income (loss).

Segment Reporting

The Company owns and operates fast-casual restaurants in the United States, along with two food production commissaries in Illinois. The Company’s chief operating decision maker (the “CODM”) is its Chief Executive Officer ("CEO"). The CODM reviews financial performance and allocates resources at a consolidated level on a recurring basis. The Company has one operating segment and one reportable segment.

Fiscal Year

The Company uses a 52- or 53-week fiscal year ending on the Sunday prior to or on December 31. In a 52-week fiscal year, each quarterly period is comprised of 13 weeks. The additional week in a 53-week fiscal year is added to the fourth quarter. Fiscal 2023 and 2022 consist of 53 and 52 weeks, respectively. The fiscal periods presented in this report are the quarters ended March 26, 2023 and March 27, 2022, respectively.

Use of Estimates

The preparation of these condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of sales and expenses during the period. Actual results could differ from those estimates.

Recently Adopted Accounting Standards

In March 2020, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. The pronouncement provides temporary optional expedients and exceptions to the current guidance on contract modifications and hedge accounting to ease the financial reporting burden related to the expected market transition from the London Interbank Offered Rate ("LIBOR") and other interbank offered rates to alternative reference rates. The guidance was effective upon issuance and generally can be applied to applicable contract modifications through December 31, 2022. FASB has extended the sunset date to December 31, 2024. The Company does not believe the impact of the transition from LIBOR to alternative reference rates is material to its consolidated financial statements.

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842) ("ASC 842"), along with related clarifications and improvements. The pronouncement requires lessees to recognize a liability, which represents the discounted obligation to make future minimum lease payments, and a corresponding right-of-use asset on the balance sheet. The guidance requires disclosure of key information about leasing arrangements that is intended to give financial statement users the ability to assess the amount, timing, and potential uncertainty of cash flows related to leases. The update is effective for fiscal years beginning after December 15, 2021, with early adoption permitted. The Company adopted this standard effective December 27, 2021, electing the modified retrospective approach to apply the standard as of the transition date. We have elected the transition package of three practical expedients permitted under the new standard, which eliminates the requirement to reassess the conclusions about historical lease identifications, lease classifications, and initial direct costs. We did not elect the hindsight practical expedient, which permits the use of hindsight when determining lease terms and impairments of right-of-use assets. We elected to apply the practical expedient of combining lease and non-lease components. Additionally, we elected to utilize the short-term lease exception policy, which allows us to not apply the recognition requirements of this standard to leases with a term of 12 months or less. The adoption of this standard had a significant impact on the Company’s condensed consolidated balance sheet as we recognized the right-of-use asset and lease liabilities for our operating leases. The adoption had an immaterial impact on the condensed consolidated statement of operations, cash flows and overall liquidity. See Note 9. Leases for additional information.

The Company reviewed all other recently issued accounting pronouncements and concluded that they were either not applicable or not expected to have a significant impact to its condensed consolidated financial statements.

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REVENUE RECOGNITION

3 Months Ended

Mar. 26, 2023

Revenue from Contract with Customer [Abstract]

REVENUE RECOGNITION

REVENUE RECOGNITION

Revenues from retail restaurants are presented net of discounts and recognized when food and beverage products are sold to the end customer. Sales taxes collected from customers are excluded from revenues and the obligation is included in accrued liabilities until the taxes are remitted to the appropriate taxing authorities.

Delivery sales are generally fulfilled by third-party delivery partners whether ordered through the Portillo's app and website ("Dispatch Sales") or through third-party delivery partners ("Marketplace Sales"). Dispatch Sales include delivery and service fees as the Company controls the delivery. Revenue from Dispatch Sales is recognized when food is delivered to the customer. For these sales, the Company receives payment directly from the customer at the time of sale. Revenue for Marketplace Sales is recognized in the amount paid to the delivery partner by the customer for food and excludes delivery and service fees charged by the third-party delivery partner as the Company does not control the delivery. Revenue from Marketplace Sales is recognized when food is delivered to the customer. For these sales, the Company receives payment from the delivery partner subsequent to the transfer of order, which is generally paid one week in arrears. For all delivery sales of food, the Company is considered the principal and recognizes revenue on a gross basis.

The Company sells gift cards which do not have expiration dates. The Company records the sale of the gift card as a contract liability and recognizes revenue from gift cards when: (i) the gift card is redeemed by the customer; or (ii) in the event a gift card is not expected to be redeemed, in proportion to the pattern of rights exercised by the customer (gift card breakage). The Company has determined that 11% of gift card sales will not be redeemed and will be retained by us based on a portfolio assessment of historical data on gift card redemption patterns. Gift card breakage is recorded within revenues, net in the condensed consolidated statements of operations. The Company recognized gift card breakage of $0.3 million for the quarters ended March 26, 2023 and March 27, 2022.

The Company’s revenue related to performance obligations not yet satisfied is revenue from gift cards sold but not yet redeemed. The gift card liability included in current deferred revenue on the condensed consolidated balance sheets is as follows (in thousands):

	March 26, 2023		December 25, 2022
Gift card liability	$	5,068	$	6,988

Revenue recognized in the condensed consolidated statement of operations for the redemption of gift cards that were included in their respective liability balances at the beginning of the year is as follows (in thousands):

	Quarter Ended
	March 26, 2023		March 27, 2022
Revenue recognized from gift card liability balance at the beginning of the year	$	1,937	$	1,806

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INVENTORIES

3 Months Ended

Mar. 26, 2023

Inventory Disclosure [Abstract]

INVENTORIES

INVENTORIESInventories consisted of the following (in thousands):

	March 26, 2023		December 25, 2022
Raw materials	$	3,338	$	5,722
Work in progress	121		104
Finished goods	962		876
Consigned inventory	838		685
	$	5,259	$	7,387

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PROPERTY & EQUIPMENT, NET

3 Months Ended

Mar. 26, 2023

Property, Plant and Equipment [Abstract]

PROPERTY & EQUIPMENT, NET

PROPERTY & EQUIPMENT, NET

Property and equipment, net consisted of the following (in thousands):

	March 26, 2023		December 25, 2022
Land improvements	$	16,456	$	16,369
Furniture, fixtures, and equipment	133,887		126,130
Leasehold improvements	172,337		153,341
Transportation equipment	2,573		2,281
Construction-in-progress	23,149		35,386
	348,402		333,507
Less accumulated depreciation	(111,186)		(106,471)
	$	237,216	$	227,036

Depreciation expense was $5.0 million and $4.4 million for the quarters ended March 26, 2023 and March 27, 2022, respectively, and is included in depreciation and amortization in the condensed consolidated statements of operations.

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GOODWILL & INTANGIBLE ASSETS

3 Months Ended

Mar. 26, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL & INTANGIBLE ASSETS

GOODWILL & INTANGIBLE ASSETS

The Company has one reporting unit for goodwill which is evaluated for impairment annually in the fourth quarter of each fiscal year.

Intangibles, net consisted of the following (in thousands):

	March 26, 2023
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names	$	223,925	$	—	$	223,925
Intangibles subject to amortization:
Recipes	56,117		(25,039)		31,078
	$	280,042	$	(25,039)	$	255,003

	December 25, 2022
	Gross Carrying Amount		Accumulated Amortization		ASC 842 Adjustment		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names	$	223,925	$	—	$	—	$	223,925
Intangibles subject to amortization:
Recipes	56,117		(24,317)		—		31,800
Covenants not-to-compete	40,799		(40,799)		—		—
Favorable rental contracts	2,991		(1,849)		(1,142)		—
	$	323,832	$	(66,965)	$	(1,142)	$	255,725

Amortization expense was $0.7 million and $0.8 million for the quarters ended March 26, 2023 and March 27, 2022, respectively, and is included in depreciation and amortization in the condensed consolidated statements of operations.

The estimated aggregate amortization expense related to intangible assets held at March 26, 2023 for the remainder of this year and the succeeding five years and thereafter is as follows (in thousands):

	Estimated Amortization
2023 (excluding the quarter ending March 26, 2023)	$	2,167
2024	2,813
2025	2,707
2026	2,707
2027	2,707
2028	2,707
2029 and thereafter	15,270
	$	31,078

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FAIR VALUE OF FINANCIAL INSTRUMENTS

3 Months Ended

Mar. 26, 2023

Fair Value Disclosures [Abstract]

FAIR VALUE OF FINANCIAL INSTRUMENTS

FAIR VALUE OF FINANCIAL INSTRUMENTS

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The carrying value of the Company's cash and cash equivalents, restricted cash, accounts receivable, accounts payable and all other current assets and liabilities approximate fair values due to the short-term nature of these financial instruments.

Other assets consist of a deferred compensation plan with related assets held in a rabbi trust.

Deferred Compensation Plan - The Company maintains a rabbi trust to fund obligations under a deferred compensation plan. Amounts in the rabbi trust are invested in mutual funds, which are designated as trading securities carried at fair value. The fair value measurement of these trading securities is considered Level 1 of the fair value hierarchy as they are measured using quoted market prices.

As of March 26, 2023 and December 25, 2022, the fair value of the mutual fund investments and deferred compensation obligations were as follows (in thousands):

	March 26, 2023		December 25, 2022
	Level 1		Level 1
Assets - Investments designated for deferred compensation plan
Cash/money accounts	$	975	$	1,470
Mutual funds	2,430		2,241
Total assets	$	3,405	$	3,711

As of March 26, 2023 and December 25, 2022, we had no Level 2 or Level 3 assets.

The deferred compensation investments and obligations are included in other assets, accrued expenses and other long-term liabilities in the consolidated balance sheets. Changes in the fair value of securities held in the rabbi trust are recognized as trading gains and losses and included in other income in the consolidated statements of operations and offsetting increases or decreases in the deferred compensation obligation are recorded in other long-term liabilities in the consolidated balance sheets.

Refer to Note 8. Debt for additional information relating to the fair value of the Company's outstanding debt instruments.

Assets and Liabilities Measured at Fair Value on a Non-Recurring Basis

Assets and liabilities that are measured at fair value on a non-recurring basis include property and equipment, net, operating lease assets, equity-method investment, goodwill and indefinite-lived intangible assets. These assets are measured at fair value whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. There were no impairment charges recognized during the quarters ended March 26, 2023 and March 27, 2022.

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DEBT

3 Months Ended

Mar. 26, 2023

Debt Disclosure [Abstract]

DEBT

DEBT

Debt consisted of the following (in thousands):

	March 26, 2023		December 25, 2022
2023 Term Loan	$	300,000	$	—
2014 Term B-3 Loans	—		322,428
2023 Revolver Facility	10,000		—
Unamortized discount and debt issuance costs	(3,521)		(3,848)
Total debt, net	306,479		318,580
Less: Short-term debt	(10,000)		—
Less: Current portion of long-term debt	(7,500)		(4,155)
Long-term debt, net	$	288,979	$	314,425

2023 Credit Agreement

On February 2, 2023 (the "Closing Date"), PHD Intermediate LLC (“Holdings”), Portillo’s Holdings LLC (the “Borrower”), the other Guarantors party thereto from time to time, each lender party thereto from time to time and Fifth Third Bank, National Association, as Administrative Agent, L/C Issuer and Swing Line Lender entered into a credit agreement (“2023 Credit Agreement”) which provides for a term A loan (the "2023 Term Loan") in an initial aggregate principal amount of $300.0 million and revolving credit commitments in an initial aggregate principal amount of $100.0 million (the “2023 Revolver Facility”). The 2023 Term Loan and 2023 Revolver Facility are scheduled to mature on February 2, 2028.

The 2023 Term Loan and the 2023 Revolver Facility will accrue interest at the forward-looking secured overnight financing rate (“SOFR”) plus an applicable rate determined upon the consolidated total net rent adjusted leverage ratio, subject to a floor of 0.00% (plus a credit spread adjustment of 0.10% per annum for 1-month interest periods and 0.15% for 3-month interest periods).

As of March 26, 2023, the interest rate on the 2023 Term Loan and 2023 Revolver Facility was 7.59% and 7.47%, respectively. Pursuant to the 2023 Credit Agreement, as of March 26, 2023, the commitment fees to maintain the 2023 Revolver Facility were 0.250%, letter of credit fees were 2.75%, and letter of credit fronting fees were 0.125%. Commitment fees, letter of credit fees, and letter of credit fronting fees are recorded as interest expense in the condensed consolidated statements of operations. As of March 26, 2023, the effective interest rate was 8.09%.

The 2023 Term Loan will amortize in equal quarterly installments in aggregate annual amounts equal to $7.5 million for the first two (2) years following the Closing Date, (b) $15.0 million for the third (3rd) and fourth (4th) years following the Closing Date, and (c) $30.0 million for the fifth (5th) year following the Closing Date, commencing on the last day of the first full fiscal quarter ended after the Closing Date, with the balance payable on the final maturity date.

As of March 26, 2023, outstanding borrowings under the 2023 Credit Agreement totaled $310.0 million, comprising $300.0 million under the 2023 Term Loan and $10.0 million under the 2023 Revolver Facility. Letters of credit issued under the 2023 Revolver Facility totaled $4.4 million. As a result, as of March 26, 2023, the Company had $85.6 million available under the 2023 Revolver Facility.

2014 Credit Agreement

Holdings, the Borrower and certain of its subsidiaries entered into a credit agreement ("2014 Credit Agreement"), dated as of August 1, 2014 and as amended October 25, 2016, May 18, 2018 and December 6, 2019, with UBS AG, Stamford Branch, as the administrative agent and collateral agent, and other lenders from time to time party thereto (the “2014 Lenders”). The 2014 Lenders extended credit in the form of (i) first lien initial term loans in an initial aggregate principal amount of $335.0 million and (ii) a revolving credit facility in an original principal amount equal to $30.0 million, including a letter of credit sub-facility with a $7.5 million sublimit (the “2014 Revolving Facility” and the loans thereunder, the “2014 Revolving Loans”).

On December 6, 2019, the Borrower entered a third amendment to the 2014 Credit Agreement (the “Third Amendment to 2014 Credit Agreement”) whereby the aggregate principal amount of the term loans as of the effective date of the Third Amendment to 2014 Credit Agreement was $332.4 million (the “2014 Term B-3 Loans”), and the 2014 Revolving Facility was increased to $50.0 million. The maturity date with respect to the 2014 Term B-3 Loans was extended to September 6, 2024, and the maturity date with respect to the 2014 Revolving Loans was extended to June 6, 2024.

In connection with the Third Amendment to 2014 Credit Agreement, the interest rates spread for the 2014 Term B-3 Loans increased by 100 basis points to 5.50% for the adjusted London interbank offered rate ("Eurocurrency Rate") loans. As of March 27, 2022, the interest rate on the 2014 Term B-3 Loans was 6.50%. Beginning with December 31, 2019, the Company is required to pay on the last business day of each calendar quarter, March 31, June 30, September 30, and December 31, an aggregate principal amount of $0.8 million.

As of December 25, 2022, the Company had no borrowings under the 2014 Revolving Facility. As of March 27, 2022, the interest rate on the 2014 Revolving Facility was 3.25%, subject to change based on a consolidated first lien net leverage ratio as defined in the 2014 Credit Agreement. As of March 27, 2022, the commitment fees, pursuant to the 2014 Credit Agreement, to maintain the 2014 Revolving Facility were 0.250%. Also pursuant to the 2014 Credit Agreement, as of March 27, 2022, letter of credit fronting fees were 0.125%. Commitment fees and letter of credit fronting fees are recorded as interest expense in the condensed consolidated statements of operations. As of March 27, 2022, the effective interest rate was 7.74%.

The Company had $4.2 million of letters of credit issued against the 2014 Revolving Facility as of December 25, 2022.

On February 2, 2023, the Company used proceeds from the 2023 Term Loan and 2023 Revolver Facility, along with cash on hand, to pay off the 2014 Credit Agreement in full in the amount of $321.8 million. The 2023 Revolver Facility under the 2023 Credit Agreement replaces the $50.0 million 2014 Revolving Facility under the 2014 Credit Agreement.

Discount and Debt Issuance Costs

Pursuant to the 2023 Credit Agreement, the Company capitalized deferred financing costs and issuance discount of $3.6 million which will be amortized over the term of the 2023 Credit Agreement.

In connection with the repayment of the 2014 Credit Agreement as described above, deferred financing costs and original issuance discount of $3.5 million were recorded as a loss on debt extinguishment during the quarter ended March 26, 2023 in the condensed consolidated statement of operations.

The Company amortized $0.3 million and $0.4 million of deferred financing costs during the quarters ended March 26, 2023 and March 27, 2022, respectively, which is included in interest expense in the condensed consolidated statements of operations. In addition, the Company also amortized $0.2 million and $0.2 million in original issue discount related to the long-term debt during the quarters ended March 26, 2023 and March 27, 2022, respectively, which is included in interest expense in the condensed consolidated statements of operations.

Total interest costs incurred were $7.4 million and $6.1 million for the quarters ended March 26, 2023 and March 27, 2022, respectively.

As of March 26, 2023 and December 25, 2022, the fair value of long-term debt approximates the carrying value as it is variable rate debt. The fair value measurement of this debt is considered Level 2 of the fair value hierarchy as inputs to interest are observable, unadjusted quoted prices in active markets for similar assets or liabilities.

The 2023 Credit Agreement is guaranteed by all domestic subsidiaries of the Borrower (subject to customary exceptions) and secured by liens on substantially all of the assets of Holdings, the Borrower and the subsidiary guarantors (subject to customary exceptions).

The 2023 Credit Agreement also includes certain financial covenants with respect to cash interest coverage and total net rent adjusted leverage. As of March 26, 2023, the Company was in compliance with all covenants in the 2023 Credit Agreement.

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LEASES

3 Months Ended

Mar. 26, 2023

Leases [Abstract]

LEASES

LEASES

We qualify as an emerging growth company pursuant to the provisions of the Jumpstart our Business Startups ("JOBS") Act. As such, we adopted ASU 2016-02, Leases (Topic 842), along with related clarifications and improvements, using a modified retrospective approach, with first presentation of the application of ASC 842 in our Annual Report on Form 10-K for the fiscal year ended December 25, 2022. Quarterly interim financial statements for 2023 are presented under ASC 842. Quarterly interim financial statements were not required in 2022 under prior lease accounting guidance, therefore comparative amounts are not presented for those periods.

A summary of operating lease right-of-use assets and liabilities is as follows (in thousands):

Operating leases	Classification	March 26, 2023		December 25, 2022
Right-of-use assets	Operating lease assets	$	173,414	$	166,808
		173,414		166,808
Current lease liabilities	Short-term operating lease liability	5,088		4,849
Non-current lease liabilities	Long-term operating lease liability	210,682		200,166
		$	215,770	$	205,015

The components of lease expense were as follows (in thousands):

		Quarter Ended
Operating leases	Classification	March 26, 2023
Operating lease cost	Occupancy Other operating expenses General and administrative expenses Pre-opening expenses	$	6,828
Short-term operating lease cost	Occupancy Other operating expenses	152
Variable lease cost	Occupancy Other operating expenses General and administrative expenses	994
		$	7,974

A summary of lease terms and discount rates for operating leases is as follows:

Operating leases	March 26, 2023		December 25, 2022
Weighted-average remaining lease term (years):	25.3		25.0
Weighted-average discount rate:	9.8	%	9.8	%

Supplemental cash flow information related to leases is as follows (in thousands):

	Quarter Ended
	March 26, 2023
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	5,773
Operating lease assets obtained in exchange for lease liabilities:
Operating leases	7,263

As of March 26, 2023, the maturity analysis of the lease liabilities consisted of the following (in thousands):

Year Ending	Operating Leases
2023 (excluding the quarter ending March 26, 2023)	$	17,722
2024	23,907
2025	23,924
2026	24,008
2027	23,306
Thereafter	561,757
Total lease payments	674,624
Less: imputed interest	(458,854)
Total operating lease liabilities	$	215,770

As of March 26, 2023, operating lease payments include $381.4 million related to options to extend lease terms that are reasonably certain of being exercised and exclude $71.3 million of minimum payments for leases signed but not yet commenced.

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NON-CONTROLLING INTERESTS

3 Months Ended

Mar. 26, 2023

Noncontrolling Interest [Abstract]

NON-CONTROLLING INTERESTS

NON-CONTROLLING INTERESTS

We are the sole managing member of Portillo's OpCo, and as a result, consolidate the financial results of Portillo's OpCo. We report a non-controlling interest representing the LLC Units in Portillo's OpCo held by pre-IPO LLC Members. Changes in our ownership interest in Portillo's OpCo while we retain our controlling interest in Portillo's OpCo will be accounted for as equity transactions. As such, future redemptions or direct exchanges of LLC Units in Portillo's OpCo by the pre-IPO LLC members will result in a change in ownership and reduce the amount recorded as non-controlling interest and increase additional paid-in capital.

In the first quarter of 2023, in connection with the secondary offering described in Note 1. Description Of Business, 5,893,600 LLC Units and corresponding shares of Class B common stock were redeemed by the pre-IPO LLC Members for newly-issued shares of Class A common stock and we received 5,893,600 newly-issued LLC Units, increasing our total ownership interest in Portillo's OpCo.

The following table summarizes the LLC interest ownership by Portillo's Inc. and pre-IPO LLC members:

	March 26, 2023			December 25, 2022
	LLC Units	Ownership %		LLC Units	Ownership %
Portillo's Inc.	54,467,951	75.2	%	48,420,723	67.0	%
pre-IPO LLC Members	17,943,562	24.8	%	23,837,162	33.0	%
Total	72,411,513	100.0	%	72,257,885	100.0	%

The weighted average ownership percentages for the applicable reporting periods are used to attribute net income to Portillo's Inc. and the pre-IPO LLC Members. The pre-IPO LLC Members' weighted average ownership percentage for the quarters ended March 26, 2023 and March 27, 2022 was 31.4% and 49.9%, respectively.

The following table summarizes the effects of changes in ownership in Portillo's OpCo on the Company’s equity (in thousands):

	Quarter Ended
	March 26, 2023		March 27, 2022
Net (loss) income attributable to Portillo's Inc.	$	(514)	$	194
Activity under equity-based compensation plans	711		—
Non-controlling interest adjustments, including the secondary offering	43,736		—
Redemption of LLC Units in connection with the secondary offering	(59)		—
Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis	(12,493)		—
Total effect of changes in ownership interest on equity attributable to Portillo's Inc.	$	31,381	$	194

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EQUITY-BASED COMPENSATION

3 Months Ended

Mar. 26, 2023

Share-Based Payment Arrangement [Abstract]

EQUITY-BASED COMPENSATION

EQUITY-BASED COMPENSATION

Equity-based compensation expense is calculated based on awards ultimately expected to vest and is reduced for estimated forfeitures. Forfeitures are revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates and an adjustment to equity-based compensation expense will be recognized at that time.

Equity-based compensation expense included in the Company’s consolidated statements of operations is as follows (in thousands):

	Quarter Ended
	March 26, 2023		March 27, 2022
Labor	$	346	$	350
General and administrative expenses	3,191		3,435
Total equity-based compensation expense	$	3,537	$	3,785

Employee Stock Purchase Plan

During the quarter ended March 26, 2023, the Company issued 5,963 shares under the Employee Stock Purchase Plan ("ESPP"). At March 26, 2023, 236,656 shares remained available for issuance under the ESPP. The expense incurred under the ESPP was immaterial for the quarter ended March 26, 2023 and is included within general and administrative expenses and labor in the condensed consolidated statements of operations.

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INCOME TAXES

3 Months Ended

Mar. 26, 2023

Income Tax Disclosure [Abstract]

INCOME TAXES

INCOME TAXES

We are the sole managing member of Portillo's OpCo, and as a result, consolidate the financial results of Portillo's OpCo. Portillo's OpCo is treated as a partnership for U.S. federal and most applicable state and local income tax purposes. As a partnership, Portillo's OpCo is not subject to U.S. federal and state and local income taxes in the majority of states in which it operates. Any taxable income or loss generated by Portillo's OpCo is passed through to and included in the taxable income or loss of its members, including us, based upon the respective member's ownership percentage in Portillo's OpCo. We are subject to U.S. federal income taxes, in addition to state and local income taxes with respect to our allocable share of any taxable income or loss of Portillo's OpCo, as well as any stand-alone income or loss generated by Portillo's Inc.

Income Tax (Benefit) Expense

The effective income tax rate for the quarters ended March 26, 2023 and March 27, 2022 was 30.5% and 16.6%, respectively. The increase in our effective income tax rate for the quarter ended March 26, 2023 compared to the quarter ended March 27, 2022 was primarily driven by the increase in the valuation allowance and an increase in the Company's ownership interest in Portillo's OpCo, which increases its share of taxable income (loss) of Portillo's OpCo. The Company’s annual effective tax rate differs from the statutory rate of 21% primarily because the Company is not liable for federal or state income taxes on the portion of OpCo’s earnings that are attributable to non-controlling interests, the valuation allowance recorded and impacts from the exercise and vesting of equity-based awards.

We evaluate the realizability of our deferred tax assets on a quarterly basis and establish valuation allowances when it is more likely than not that all or a portion of a deferred tax asset may not be realized. As of March 26, 2023, the Company concluded, based on the weight of all available positive and negative evidence, that all of its deferred tax assets (except for those deferred tax assets relating to the basis difference in its investment in Portillo's OpCo that will never be realizable or only reverse upon the eventual sale of its interest in Portillo's OpCo, which we expect would result in a capital loss which we do not expect to be able to utilize) are more likely than not to be realized.

Secondary Offerings

In the first quarter of 2023, in connection with the secondary offering previously discussed in Note 1. Description Of Business, 5,893,600 LLC Units were redeemed by the pre-IPO LLC Members for newly-issued shares of Class A common stock, resulting in an increase in the tax basis of net assets of Portillo's OpCo subject to the provisions of the Tax Receivable Agreement (the "Tax Receivable Agreement" or "TRA"). The Company recorded a deferred tax asset of $34.9 million and an additional TRA liability of $47.4 million. As of March 26, 2023, we estimated that our obligation for future payments under the TRA liability totaled $298.8 million. The Company made payments of $0.8 million under the TRA during the quarter ended March 26, 2023 relating to tax year 2021. There were no amounts paid under the TRA during the quarter ended March 27, 2022. We expect a payment of $6.3 million relating to tax year 2022 to be paid within the next 12 months.

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EARNINGS PER SHARE

3 Months Ended

Mar. 26, 2023

Earnings Per Share [Abstract]

EARNINGS PER SHARE

EARNINGS PER SHARE

Basic net (loss) earnings per share of Class A common stock is computed by dividing net income attributable to Portillo's Inc. by the weighted-average number of Class A common stock outstanding.

Diluted net (loss) earnings per share is computed by dividing net (loss) income attributable to Portillo's Inc. by the weighted-average number of dilutive securities, using the treasury stock method.

The computations of basic and diluted net (loss) earnings per share for the quarters ended March 26, 2023 and March 27, 2022 are as follows (in thousands):

	Quarter Ended
	March 26, 2023		March 27, 2022
Net (loss) income	$	(1,273)	$	550
Net (loss) income attributable to non-controlling interests	(759)		356
Net (loss) income attributable to Portillo's Inc.	$	(514)	$	194
Shares:
Weighted-average number of common shares outstanding-basic	49,599		35,807
Dilutive share awards	—		4,137
Weighted-average number of common shares outstanding-diluted	49,599		39,944
Basic net (loss) income per share	$	(0.01)	$	0.01
Diluted net (loss) income per share	$	(0.01)	$	0.00

The following shares were excluded from the calculation of diluted earnings per share because they would be antidilutive (in thousands):

	Quarter Ended
	March 26, 2023	March 27, 2022
Shares subject to performance conditions	1,807	1,196
Shares that were antidilutive	3,538	—
Total shares excluded from diluted net income (loss) per share	5,345	1,196

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CONTINGENCIES	3 Months Ended
	Mar. 26, 2023
Commitments and Contingencies Disclosure [Abstract]
CONTINGENCIES	CONTINGENCIESThe Company is party to legal proceedings and potential claims arising in the normal conduct of business, including claims related to employment matters, contractual disputes, customer injuries, and property damage. Although the ultimate outcome of these claims and lawsuits cannot be predicted with certainty, management believes that the resulting liability, if any, will not have a material effect on the Company’s condensed consolidated financial statements.

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RELATED PARTY TRANSACTIONS

3 Months Ended

Mar. 26, 2023

Related Party Transactions [Abstract]

RELATED PARTY TRANSACTIONS

RELATED PARTY TRANSACTIONS

As of both March 26, 2023 and December 25, 2022, the related parties’ receivables balance consisted of $0.3 million due from C&O, which is included in accounts receivable in the condensed consolidated balance sheets.

Olo, Inc.

Noah Glass, a member of the Company's Board, is the founder and CEO of Olo, Inc. ("Olo"), a platform the Company uses in connection with our mobile ordering application and delivery.

The Company incurred the following Olo-related costs for the quarters ended March 26, 2023 and March 27, 2022 (in thousands):

	Quarter Ended
	March 26, 2023		March 27, 2022
Cost of goods sold, excluding depreciation and amortization	$	585	$	325
Other operating expenses	114		113
Net Olo-related costs	$	699	$	438

As of March 26, 2023 and December 25, 2022, $0.1 million and $0.2 million, respectively, were payable to Olo and was included in accounts payable in the condensed consolidated balance sheets.

Tax Receivable Agreement

We are party to a TRA with certain members of Portillo's OpCo that provides for the payment by us of 85% of the amount of tax benefits, if any, that Portillo's Inc. actually realizes or in some cases is deemed to realize as a result of certain transactions. The Company made payments of $0.8 million under the TRA relating to tax year 2021 during the quarter ended March 26, 2023. There were no amounts paid under the TRA during the quarter ended March 27, 2022.

(in thousands)	March 26, 2023		December 25, 2022
Current portion of Tax Receivable Agreement liability	$	6,309	$	813
Tax receivable agreement liability	292,490		252,003

Secondary Offerings

In the third and fourth quarters of 2022 and first quarter of 2023, in connection with the secondary offerings previously discussed in Note 1. Description Of Business, we purchased LLC Units and corresponding shares of Class B common stock and shares of Class A common stock using the proceeds of the secondary offerings at a price equal to the public offering price less the underwriting discounts and commissions from certain pre-IPO LLC Members and shareholders of the Blocker Companies, including from funds affiliated with Berkshire Partners LLC, which is our largest shareholder that beneficially owns approximately 31.7% of the Company as of March 26, 2023.

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SUBSEQUENT EVENTS	3 Months Ended
	Mar. 26, 2023
Subsequent Events [Abstract]
SUBSEQUENT EVENTS	SUBSEQUENT EVENTS The Company opened one new restaurant subsequent to March 26, 2023 in Gilbert, Arizona for a total of 75 restaurants, excluding a restaurant owned by C&O, of which Portillo's owns 50% of the equity. On April 5, 2023, in connection with the secondary offering previously discussed in Note 1. Description Of Business, the Underwriter exercised its option to purchase an additional 620,493 shares of the Company's Class A common stock. As a result, 163,376 shares of Class A common stock and 457,117 LLC Units and corresponding shares of Class B common stock were redeemed. As of April 5, 2023, the Company owns 75.9% of Portillo's OpCo and the pre-IPO LLC Members own the remaining 24.1% of Portillo's OpCo.

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)

3 Months Ended

Mar. 26, 2023

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial information.

The Company has prepared the accompanying unaudited condensed consolidated financial statements in accordance with GAAP for interim financial statements and pursuant to the rules and regulations of the Securities and Exchange Commission (the "SEC"). In the opinion of management, the accompanying unaudited condensed consolidated financial statements reflect all adjustments consisting of normal recurring adjustments necessary for a fair presentation of our financial position and results of operations. Interim results of operations are not necessarily indicative of the results that may be achieved for the full year. The financial statements and related notes do not include all information and footnotes required by GAAP for annual reports. The unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in our Annual Report on Form 10-K for the fiscal year ended December 25, 2022.

Consolidation

All intercompany balances and transactions have been eliminated in consolidation.

Segment Reporting

Segment Reporting

The Company owns and operates fast-casual restaurants in the United States, along with two food production commissaries in Illinois. The Company’s chief operating decision maker (the “CODM”) is its Chief Executive Officer ("CEO"). The CODM reviews financial performance and allocates resources at a consolidated level on a recurring basis. The Company has one operating segment and one reportable segment.

Fiscal Year

Fiscal Year

The Company uses a 52- or 53-week fiscal year ending on the Sunday prior to or on December 31. In a 52-week fiscal year, each quarterly period is comprised of 13 weeks. The additional week in a 53-week fiscal year is added to the fourth quarter. Fiscal 2023 and 2022 consist of 53 and 52 weeks, respectively. The fiscal periods presented in this report are the quarters ended March 26, 2023 and March 27, 2022, respectively.

Use of Estimates

Use of EstimatesThe preparation of these condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of sales and expenses during the period. Actual results could differ from those estimates.

Recently Adopted Accounting Standards

Recently Adopted Accounting Standards

In March 2020, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. The pronouncement provides temporary optional expedients and exceptions to the current guidance on contract modifications and hedge accounting to ease the financial reporting burden related to the expected market transition from the London Interbank Offered Rate ("LIBOR") and other interbank offered rates to alternative reference rates. The guidance was effective upon issuance and generally can be applied to applicable contract modifications through December 31, 2022. FASB has extended the sunset date to December 31, 2024. The Company does not believe the impact of the transition from LIBOR to alternative reference rates is material to its consolidated financial statements.

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842) ("ASC 842"), along with related clarifications and improvements. The pronouncement requires lessees to recognize a liability, which represents the discounted obligation to make future minimum lease payments, and a corresponding right-of-use asset on the balance sheet. The guidance requires disclosure of key information about leasing arrangements that is intended to give financial statement users the ability to assess the amount, timing, and potential uncertainty of cash flows related to leases. The update is effective for fiscal years beginning after December 15, 2021, with early adoption permitted. The Company adopted this standard effective December 27, 2021, electing the modified retrospective approach to apply the standard as of the transition date. We have elected the transition package of three practical expedients permitted under the new standard, which eliminates the requirement to reassess the conclusions about historical lease identifications, lease classifications, and initial direct costs. We did not elect the hindsight practical expedient, which permits the use of hindsight when determining lease terms and impairments of right-of-use assets. We elected to apply the practical expedient of combining lease and non-lease components. Additionally, we elected to utilize the short-term lease exception policy, which allows us to not apply the recognition requirements of this standard to leases with a term of 12 months or less. The adoption of this standard had a significant impact on the Company’s condensed consolidated balance sheet as we recognized the right-of-use asset and lease liabilities for our operating leases. The adoption had an immaterial impact on the condensed consolidated statement of operations, cash flows and overall liquidity. See Note 9. Leases for additional information.

The Company reviewed all other recently issued accounting pronouncements and concluded that they were either not applicable or not expected to have a significant impact to its condensed consolidated financial statements.

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REVENUE RECOGNITION (Tables)

3 Months Ended

Mar. 26, 2023

Revenue from Contract with Customer [Abstract]

Schedule of Gift Card Liability

The gift card liability included in current deferred revenue on the condensed consolidated balance sheets is as follows (in thousands):

	March 26, 2023		December 25, 2022
Gift card liability	$	5,068	$	6,988

Revenue recognized in the condensed consolidated statement of operations for the redemption of gift cards that were included in their respective liability balances at the beginning of the year is as follows (in thousands):

	Quarter Ended
	March 26, 2023		March 27, 2022
Revenue recognized from gift card liability balance at the beginning of the year	$	1,937	$	1,806

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INVENTORIES (Tables)

3 Months Ended

Mar. 26, 2023

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consisted of the following (in thousands):

	March 26, 2023		December 25, 2022
Raw materials	$	3,338	$	5,722
Work in progress	121		104
Finished goods	962		876
Consigned inventory	838		685
	$	5,259	$	7,387

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PROPERTY & EQUIPMENT, NET (Tables)

3 Months Ended

Mar. 26, 2023

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment, Net

Property and equipment, net consisted of the following (in thousands):

	March 26, 2023		December 25, 2022
Land improvements	$	16,456	$	16,369
Furniture, fixtures, and equipment	133,887		126,130
Leasehold improvements	172,337		153,341
Transportation equipment	2,573		2,281
Construction-in-progress	23,149		35,386
	348,402		333,507
Less accumulated depreciation	(111,186)		(106,471)
	$	237,216	$	227,036

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GOODWILL & INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 26, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Indefinite-Lived Intangibles, Net

Intangibles, net consisted of the following (in thousands):

	March 26, 2023
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names	$	223,925	$	—	$	223,925
Intangibles subject to amortization:
Recipes	56,117		(25,039)		31,078
	$	280,042	$	(25,039)	$	255,003

	December 25, 2022
	Gross Carrying Amount		Accumulated Amortization		ASC 842 Adjustment		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names	$	223,925	$	—	$	—	$	223,925
Intangibles subject to amortization:
Recipes	56,117		(24,317)		—		31,800
Covenants not-to-compete	40,799		(40,799)		—		—
Favorable rental contracts	2,991		(1,849)		(1,142)		—
	$	323,832	$	(66,965)	$	(1,142)	$	255,725

Schedule of Finite-Lived Intangibles, Net

Intangibles, net consisted of the following (in thousands):

	March 26, 2023
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names	$	223,925	$	—	$	223,925
Intangibles subject to amortization:
Recipes	56,117		(25,039)		31,078
	$	280,042	$	(25,039)	$	255,003

	December 25, 2022
	Gross Carrying Amount		Accumulated Amortization		ASC 842 Adjustment		Net Carrying Amount
Indefinite-lived intangible assets:
Trade names	$	223,925	$	—	$	—	$	223,925
Intangibles subject to amortization:
Recipes	56,117		(24,317)		—		31,800
Covenants not-to-compete	40,799		(40,799)		—		—
Favorable rental contracts	2,991		(1,849)		(1,142)		—
	$	323,832	$	(66,965)	$	(1,142)	$	255,725

Schedule of Aggregate Amortization Expense

The estimated aggregate amortization expense related to intangible assets held at March 26, 2023 for the remainder of this year and the succeeding five years and thereafter is as follows (in thousands):

	Estimated Amortization
2023 (excluding the quarter ending March 26, 2023)	$	2,167
2024	2,813
2025	2,707
2026	2,707
2027	2,707
2028	2,707
2029 and thereafter	15,270
	$	31,078

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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

3 Months Ended

Mar. 26, 2023

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Mutual Fund Investments and Deferred Compensation Obligations

As of March 26, 2023 and December 25, 2022, the fair value of the mutual fund investments and deferred compensation obligations were as follows (in thousands):

	March 26, 2023		December 25, 2022
	Level 1		Level 1
Assets - Investments designated for deferred compensation plan
Cash/money accounts	$	975	$	1,470
Mutual funds	2,430		2,241
Total assets	$	3,405	$	3,711

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DEBT (Tables)

3 Months Ended

Mar. 26, 2023

Debt Disclosure [Abstract]

Schedule of Long-term Debt

Debt consisted of the following (in thousands):

	March 26, 2023		December 25, 2022
2023 Term Loan	$	300,000	$	—
2014 Term B-3 Loans	—		322,428
2023 Revolver Facility	10,000		—
Unamortized discount and debt issuance costs	(3,521)		(3,848)
Total debt, net	306,479		318,580
Less: Short-term debt	(10,000)		—
Less: Current portion of long-term debt	(7,500)		(4,155)
Long-term debt, net	$	288,979	$	314,425

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LEASES (Tables)

3 Months Ended

Mar. 26, 2023

Leases [Abstract]

Schedule of Operating Lease Right-of-use Assets and Liabilities

A summary of operating lease right-of-use assets and liabilities is as follows (in thousands):

Operating leases	Classification	March 26, 2023		December 25, 2022
Right-of-use assets	Operating lease assets	$	173,414	$	166,808
		173,414		166,808
Current lease liabilities	Short-term operating lease liability	5,088		4,849
Non-current lease liabilities	Long-term operating lease liability	210,682		200,166
		$	215,770	$	205,015

Schedule of Components of Lease Expense

The components of lease expense were as follows (in thousands):

		Quarter Ended
Operating leases	Classification	March 26, 2023
Operating lease cost	Occupancy Other operating expenses General and administrative expenses Pre-opening expenses	$	6,828
Short-term operating lease cost	Occupancy Other operating expenses	152
Variable lease cost	Occupancy Other operating expenses General and administrative expenses	994
		$	7,974

Supplemental cash flow information related to leases is as follows (in thousands):

	Quarter Ended
	March 26, 2023
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	5,773
Operating lease assets obtained in exchange for lease liabilities:
Operating leases	7,263

Schedule of Lease Terms and Discount Rates

A summary of lease terms and discount rates for operating leases is as follows:

Operating leases	March 26, 2023		December 25, 2022
Weighted-average remaining lease term (years):	25.3		25.0
Weighted-average discount rate:	9.8	%	9.8	%

Schedule of Maturity Analysis of Lease Liabilities

As of March 26, 2023, the maturity analysis of the lease liabilities consisted of the following (in thousands):

Year Ending	Operating Leases
2023 (excluding the quarter ending March 26, 2023)	$	17,722
2024	23,907
2025	23,924
2026	24,008
2027	23,306
Thereafter	561,757
Total lease payments	674,624
Less: imputed interest	(458,854)
Total operating lease liabilities	$	215,770

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NON-CONTROLLING INTERESTS (Tables)

3 Months Ended

Mar. 26, 2023

Noncontrolling Interest [Abstract]

Schedule of LLC Interest Ownership by Portillo's Inc. and Pre-IPO LLC Members

The following table summarizes the LLC interest ownership by Portillo's Inc. and pre-IPO LLC members:

	March 26, 2023			December 25, 2022
	LLC Units	Ownership %		LLC Units	Ownership %
Portillo's Inc.	54,467,951	75.2	%	48,420,723	67.0	%
pre-IPO LLC Members	17,943,562	24.8	%	23,837,162	33.0	%
Total	72,411,513	100.0	%	72,257,885	100.0	%

Schedule of Effects of Changes in Ownership in Portillo's OpCo on the Company’s Equity

The following table summarizes the effects of changes in ownership in Portillo's OpCo on the Company’s equity (in thousands):

	Quarter Ended
	March 26, 2023		March 27, 2022
Net (loss) income attributable to Portillo's Inc.	$	(514)	$	194
Activity under equity-based compensation plans	711		—
Non-controlling interest adjustments, including the secondary offering	43,736		—
Redemption of LLC Units in connection with the secondary offering	(59)		—
Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis	(12,493)		—
Total effect of changes in ownership interest on equity attributable to Portillo's Inc.	$	31,381	$	194

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EQUITY-BASED COMPENSATION (Tables)

3 Months Ended

Mar. 26, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Equity-Based Compensation Expense

Equity-based compensation expense included in the Company’s consolidated statements of operations is as follows (in thousands):

	Quarter Ended
	March 26, 2023		March 27, 2022
Labor	$	346	$	350
General and administrative expenses	3,191		3,435
Total equity-based compensation expense	$	3,537	$	3,785

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EARNINGS PER SHARE (Tables)

3 Months Ended

Mar. 26, 2023

Earnings Per Share [Abstract]

Schedule of Computations of Basic and Diluted Earnings (Loss) per Share

The computations of basic and diluted net (loss) earnings per share for the quarters ended March 26, 2023 and March 27, 2022 are as follows (in thousands):

	Quarter Ended
	March 26, 2023		March 27, 2022
Net (loss) income	$	(1,273)	$	550
Net (loss) income attributable to non-controlling interests	(759)		356
Net (loss) income attributable to Portillo's Inc.	$	(514)	$	194
Shares:
Weighted-average number of common shares outstanding-basic	49,599		35,807
Dilutive share awards	—		4,137
Weighted-average number of common shares outstanding-diluted	49,599		39,944
Basic net (loss) income per share	$	(0.01)	$	0.01
Diluted net (loss) income per share	$	(0.01)	$	0.00

Schedule of Units Excluded from Calculation of Diluted Earnings per Share

The following shares were excluded from the calculation of diluted earnings per share because they would be antidilutive (in thousands):

	Quarter Ended
	March 26, 2023	March 27, 2022
Shares subject to performance conditions	1,807	1,196
Shares that were antidilutive	3,538	—
Total shares excluded from diluted net income (loss) per share	5,345	1,196

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RELATED PARTY TRANSACTIONS (Tables)

3 Months Ended

Mar. 26, 2023

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

The Company incurred the following Olo-related costs for the quarters ended March 26, 2023 and March 27, 2022 (in thousands):

	Quarter Ended
	March 26, 2023		March 27, 2022
Cost of goods sold, excluding depreciation and amortization	$	585	$	325
Other operating expenses	114		113
Net Olo-related costs	$	699	$	438

TRA with certain members of Portillo's OpCo that provides for the payment by us of 85% of the amount of tax benefits, if any, that Portillo's Inc. actually realizes or in some cases is deemed to realize as a result of certain transactions. The Company made payments of $0.8 million under the TRA relating to tax year 2021 during the quarter ended March 26, 2023. There were no amounts paid under the TRA during the quarter ended March 27, 2022.

(in thousands)	March 26, 2023		December 25, 2022
Current portion of Tax Receivable Agreement liability	$	6,309	$	813
Tax receivable agreement liability	292,490		252,003

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DESCRIPTION OF BUSINESS (Details)		3 Months Ended
	Apr. 05, 2023 shares	Mar. 26, 2023 restaurant state food_production_commissary $ / shares shares	Dec. 25, 2022 restaurant $ / shares shares	Sep. 25, 2022 offering $ / shares shares	May 04, 2023 restaurant
Schedule of Equity Method Investments [Line Items]
Number of states | state		10
Number of food production commissaries | food_production_commissary		2
Number of restaurants | restaurant		74	71
Number of non-traditional locations | restaurant		2	2
Subsequent Event
Schedule of Equity Method Investments [Line Items]
Number of restaurants | restaurant					75
Portillo's Inc. | Subsequent Event
Schedule of Equity Method Investments [Line Items]
Redemption of LLC Units in connection with the secondary offering (in shares)	163,376
Portillo's Inc. | Portillo's Opco
Schedule of Equity Method Investments [Line Items]
Ownership %		75.20%	67.00%
Portillo's Inc. | Portillo's Opco | Subsequent Event
Schedule of Equity Method Investments [Line Items]
Ownership %	75.90%
Portillo's Inc. | Blocker Companies
Schedule of Equity Method Investments [Line Items]
Treasury stock, acquired (in shares)		2,106,400
Portillo's Inc. | Secondary Offering
Schedule of Equity Method Investments [Line Items]
Number of shares issued in transaction (in shares)		8,000,000	8,000,000	8,066,458
Sale of stock, price per share (in usd per share) | $ / shares		$ 21.05	$ 22.69	$ 23.75
Sale of Stock, Number Of Offerings | offering				2
Portillo's Inc. | Secondary Offering | Subsequent Event
Schedule of Equity Method Investments [Line Items]
Number of shares issued in transaction (in shares)	620,493
Portillo's Inc. | Over-Allotment Option
Schedule of Equity Method Investments [Line Items]
Number of shares issued in transaction (in shares)		1,200,000		66,458
Underwriting purchase period		30 days
Portillo's Inc. | Over-Allotment Option | Subsequent Event
Schedule of Equity Method Investments [Line Items]
Number of shares issued in transaction (in shares)	620,493
LLC Units
Schedule of Equity Method Investments [Line Items]
Redemption of LLC Units in connection with the secondary offering (in shares)		5,893,600
Issuance (in shares)		5,893,600
LLC Units | Subsequent Event
Schedule of Equity Method Investments [Line Items]
Redemption of LLC Units in connection with the secondary offering (in shares)	457,117
pre-IPO LLC Members
Schedule of Equity Method Investments [Line Items]
Redemption of LLC Units in connection with the secondary offering (in shares)		5,893,600
pre-IPO LLC Members | Subsequent Event
Schedule of Equity Method Investments [Line Items]
Redemption of LLC Units in connection with the secondary offering (in shares)	457,117
pre-IPO LLC Members | Portillo's Opco
Schedule of Equity Method Investments [Line Items]
Ownership %		24.80%	33.00%
pre-IPO LLC Members | Portillo's Opco | Subsequent Event
Schedule of Equity Method Investments [Line Items]
Ownership %	24.10%
C&O
Schedule of Equity Method Investments [Line Items]
Ownership percentage		50.00%	50.00%
C&O | Subsequent Event
Schedule of Equity Method Investments [Line Items]
Ownership percentage					50.00%

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)	3 Months Ended
	Mar. 26, 2023 segment food_production_commissary
Accounting Policies [Abstract]
Number of food production commissaries | food_production_commissary	2
Number of operating segments	1
Number of reportable segments	1

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REVENUE RECOGNITION - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2023	Mar. 27, 2022
Revenue from Contract with Customer [Abstract]
Gift card sales that will not be redeemed, percent	11.00%
Gift card breakage	$ 329	$ 293

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REVENUE RECOGNITION - Gift Card Liability (Details) - Gift Card - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2023	Mar. 27, 2022	Dec. 25, 2022
Revenue from External Customer [Line Items]
Gift card liability	$ 5,068		$ 6,988
Revenue recognized from gift card liability balance at the beginning of the year	$ 1,937	$ 1,806

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INVENTORIES (Details) - USD ($) $ in Thousands	Mar. 26, 2023	Dec. 25, 2022
Inventory Disclosure [Abstract]
Raw materials	$ 3,338	$ 5,722
Work in progress	121	104
Finished goods	962	876
Consigned inventory	838	685
Total inventory	$ 5,259	$ 7,387

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PROPERTY & EQUIPMENT, NET (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2023	Mar. 27, 2022	Dec. 25, 2022
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 348,402		$ 333,507
Less accumulated depreciation	(111,186)		(106,471)
Total property and equipment	237,216		227,036
Depreciation expense	5,000	$ 4,400
Land improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	16,456		16,369
Furniture, fixtures, and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	133,887		126,130
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	172,337		153,341
Transportation equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,573		2,281
Construction-in-progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 23,149		$ 35,386

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GOODWILL & INTANGIBLE ASSETS - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 26, 2023 USD ($) reporting_unit	Mar. 27, 2022 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Number of reporting units | reporting_unit	1
Amortization expense | $	$ 0.7	$ 0.8

XML

GOODWILL & INTANGIBLE ASSETS - Schedule of Intangible Assets, Net (Details) - USD ($) $ in Thousands	Mar. 26, 2023	Dec. 25, 2022	Dec. 27, 2021
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	$ 223,925	$ 223,925
Accumulated Amortization	(25,039)	(66,965)
Intangibles subject to amortization, net	31,078
Gross Carrying Amount	280,042	323,832
Net Carrying Amount	255,003	255,725
Adoption of Accounting Standards Codification 842 - Leases
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount			$ (1,142)
Recipes
Finite-Lived Intangible Assets [Line Items]
Intangibles subject to amortization, gross	56,117	56,117
Accumulated Amortization	(25,039)	(24,317)
Intangibles subject to amortization, net	$ 31,078	31,800
Covenants not-to-compete
Finite-Lived Intangible Assets [Line Items]
Intangibles subject to amortization, gross		40,799
Accumulated Amortization		(40,799)
Intangibles subject to amortization, net		0
Favorable rental contracts
Finite-Lived Intangible Assets [Line Items]
Intangibles subject to amortization, gross		2,991
Accumulated Amortization		(1,849)
Intangibles subject to amortization, net		$ 0
Favorable rental contracts | Adoption of Accounting Standards Codification 842 - Leases
Finite-Lived Intangible Assets [Line Items]
Intangibles subject to amortization, gross			$ (1,142)

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GOODWILL & INTANGIBLE ASSETS - Future Amortization Expense (Details) $ in Thousands	Mar. 26, 2023 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
2023 (excluding the quarter ending March 26, 2023)	$ 2,167
2024	2,813
2025	2,707
2026	2,707
2027	2,707
2028	2,707
2029 and thereafter	15,270
Intangibles subject to amortization, net	$ 31,078

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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($)	3 Months Ended
	Mar. 26, 2023	Mar. 27, 2022	Dec. 25, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Asset impairment charges	$ 0	$ 0
Recurring | Level 1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investments, fair value	3,405,000		$ 3,711,000
Recurring | Level 1 | Cash/money accounts
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investments, fair value	975,000		1,470,000
Recurring | Level 1 | Mutual funds
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Investments, fair value	$ 2,430,000		$ 2,241,000

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DEBT - Schedule of Debt (Details) - USD ($) $ in Thousands	Mar. 26, 2023	Dec. 25, 2022
Debt Instrument [Line Items]
Unamortized discount and debt issuance costs	$ (3,521)	$ (3,848)
Total debt, net	306,479	318,580
Short-term debt	(10,000)	0
Less: Current portion of long-term debt	(7,500)	(4,155)
Long-term debt, net	288,979	314,425
Line of Credit
Debt Instrument [Line Items]
Less: Current portion of long-term debt	(10,000)	0
Line of Credit
Debt Instrument [Line Items]
Less: Current portion of long-term debt	(7,500)	(4,155)
Line of Credit | 2023 Term Loan | 2023 Term Loan
Debt Instrument [Line Items]
Long-term debt, gross	300,000	0
Line of Credit | 2014 Term B-3 Loans
Debt Instrument [Line Items]
Long-term debt, gross	0	322,428
Line of Credit | 2023 Revolver Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 10,000	$ 0

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DEBT - Narrative (Details) - USD ($)			3 Months Ended
	Feb. 02, 2023	Dec. 06, 2019	Mar. 26, 2023	Mar. 27, 2022	Dec. 25, 2022	Aug. 01, 2014
Debt Instrument [Line Items]
Loss on debt extinguishment			$ 3,465,000	$ 0
Amortization of debt issuance costs			300,000	400,000
Amortization of debt discount			200,000	200,000
Interest expense			$ 7,444,000	$ 6,099,000
Line of Credit
Debt Instrument [Line Items]
Commitment fee percentage			0.25%
Letter of credit fee percentage			2.75%
Fronting fee, percentage			0.125%
Effective interest rate			8.09%	7.74%
Line of credit			$ 310,000,000
Debt issuance costs	$ 3,600,000
Line of Credit | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.00%
Line of Credit | One-Month Secured Overnight Financing Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.10%
Line of Credit | Three-Month Secured Overnight Financing Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.15%
Line of Credit | 2014 Term B-3 Loans
Debt Instrument [Line Items]
Debt, principal amount		$ 332,400,000				$ 335,000,000
Interest rate (as of)				6.50%
Periodic principal payment			800,000
Payments of debt	$ 321,800,000
Loss on debt extinguishment			$ 3,500,000
Line of Credit | 2014 Term B-3 Loans | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		5.50%
Increase in term loan percent		1.00%
Line of Credit | 2014 Revolving Facility
Debt Instrument [Line Items]
Line of credit maximum borrowing capacity		$ 50,000,000
Line of Credit | 2023 Term Loan | Term Loans
Debt Instrument [Line Items]
Debt, principal amount	300,000,000
Interest rate at period end			7.59%
Line of credit			$ 300,000,000
Long-Term Debt, Maturity, Year One			7,500,000
Long-Term Debt, Maturity, Year Two			7,500,000
Long-Term Debt, Maturity, Year Three			15,000,000
Long-Term Debt, Maturity, Year Four			15,000,000
Long-Term Debt, Maturity, Year Five			$ 30,000,000
Line of Credit | Revolving Credit Facility | 2023 Revolver Facility
Debt Instrument [Line Items]
Line of credit maximum borrowing capacity	100,000,000
Interest rate at period end			7.47%
Line of credit			$ 10,000,000
Remaining borrowing capacity			85,600,000
Line of Credit | Revolving Credit Facility | 2014 Revolving Facility
Debt Instrument [Line Items]
Line of credit maximum borrowing capacity	$ 50,000,000					30,000,000
Interest rate at period end				3.25%
Commitment fee percentage				0.25%
Line of credit					$ 0
Line of Credit | Letter of Credit
Debt Instrument [Line Items]
Line of credit maximum borrowing capacity						$ 7,500,000
Line of credit					$ 4,200,000
Line of Credit | Letter of Credit | 2023 Revolver Facility
Debt Instrument [Line Items]
Letters of Credit Outstanding, Amount			$ 4,400,000
Line of Credit | Letter of Credit | Credit Agreement
Debt Instrument [Line Items]
Fronting fee, percentage				0.125%

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LEASES - Balance Sheet Classification of Lease Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 26, 2023	Dec. 25, 2022
Leases [Abstract]
Operating lease assets	$ 173,414	$ 166,808
Current lease liabilities	5,088	4,849
Non-current lease liabilities	210,682	200,166
Right-of-use assets	$ 215,770	$ 205,015

XML

LEASES - Components of Lease Expense (Details) $ in Thousands	3 Months Ended
	Mar. 26, 2023 USD ($)
Leases [Abstract]
Operating lease cost	$ 6,828
Short-term operating lease cost	152
Variable lease cost	994
Operating leases	$ 7,974

XML

LEASES - Schedule of Lease Terms and Discount Rates (Details)	Mar. 26, 2023	Dec. 25, 2022
Leases [Abstract]
Weighted-average remaining lease term (years)	25 years 3 months 18 days	25 years
Weighted-average discount rate	9.80%	9.80%

XML

LEASES - Supplemental Cash Flow Information (Details) $ in Thousands	3 Months Ended
	Mar. 26, 2023 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$ 5,773
Operating lease assets obtained in exchange for lease liabilities:
Operating leases	$ 7,263

XML

LEASES - Maturities of Operating and Financing Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 26, 2023	Dec. 25, 2022
Operating Leases
2023 (excluding the quarter ending March 26, 2023)	$ 17,722
2024	23,907
2025	23,924
2026	24,008
2027	23,306
Thereafter	561,757
Total lease payments	674,624
Less: imputed interest	(458,854)
Total operating lease liabilities	$ 215,770	$ 205,015

XML

LEASES - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 26, 2023 USD ($)
Leases [Abstract]
Options to extend lease	$ 381.4
Minimum payments for leases signed but not yet commenced	$ 71.3

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NON-CONTROLLING INTERESTS - Narrative (Details) - shares	3 Months Ended
	Mar. 26, 2023	Mar. 27, 2022
Portillo's Opco
Noncontrolling Interest [Line Items]
Weighted average ownership percentage	31.40%	49.90%
LLC Units
Noncontrolling Interest [Line Items]
Redemption of LLC Units in connection with the secondary offering (in shares)	5,893,600

XML

NON-CONTROLLING INTERESTS - Schedule of LLC Interest Ownership by Portillo's Inc. and Pre-IPO LLC Members (Details) - shares	Mar. 26, 2023	Dec. 25, 2022
Portillo's Inc.
Noncontrolling Interest [Line Items]
Total	100.00%	100.00%
LLC Units
Noncontrolling Interest [Line Items]
LLC Interests (in shares)	72,411,513	72,257,885
Portillo's Inc. | Portillo's Inc.
Noncontrolling Interest [Line Items]
Ownership %	75.20%	67.00%
Portillo's Inc. | LLC Units
Noncontrolling Interest [Line Items]
LLC Interests (in shares)	54,467,951	48,420,723
pre-IPO LLC Members | Portillo's Inc.
Noncontrolling Interest [Line Items]
Ownership %	24.80%	33.00%
pre-IPO LLC Members | LLC Units
Noncontrolling Interest [Line Items]
LLC Interests (in shares)	17,943,562	23,837,162

XML

NON-CONTROLLING INTERESTS - Changes in Ownership in Portillo's OpCo on the Company’s Equity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2023	Mar. 27, 2022
Noncontrolling Interest [Abstract]
Net (loss) income attributable to Portillo's Inc.	$ (514)	$ 194
Transfers from (to) non-controlling interests:
Activity under equity-based compensation plans	711	0
Non-controlling interest adjustments, including the secondary offering	43,736	0
Redemption of LLC Units in connection with the secondary offering	(59)	0
Establishment of liabilities under Tax Receivable Agreement and related changes to deferred tax assets associated with increases in tax basis	(12,493)	0
Total effect of changes in ownership interest on equity attributable to Portillo's Inc.	$ 31,381	$ 194

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EQUITY-BASED COMPENSATION - Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2023	Mar. 27, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total equity-based compensation expense	$ 3,537	$ 3,785
Labor
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total equity-based compensation expense	346	350
General and administrative expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total equity-based compensation expense	$ 3,191	$ 3,435

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EQUITY-BASED COMPENSATION - Narrative (Details) - ESPP	3 Months Ended
	Mar. 26, 2023 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)	5,963
Options available for issuance (in shares)	236,656

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INCOME TAXES (Details) - USD ($)	3 Months Ended
	Mar. 26, 2023	Mar. 27, 2022	Dec. 25, 2022
Income Tax Disclosure [Abstract]
Effective income tax rate percent	30.50%	16.60%
Income Tax Contingency [Line Items]
Effective income tax rate percent	30.50%	16.60%
Deferred tax assets from Tax Receivable Agreement	$ 34,900,000
Additional tax receivable liability	47,400,000
Tax receivable agreement liability	298,800,000
TRA amounts paid	800,000	$ 0
Expected payment	$ 6,309,000		$ 813,000
LLC Units
Income Tax Contingency [Line Items]
Redemption of LLC Units in connection with the secondary offering (in shares)	5,893,600

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EARNINGS PER SHARE - Schedule of Basic and Diluted Earnings (Loss) per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 26, 2023	Mar. 27, 2022
Earnings Per Share [Abstract]
Net (loss) income	$ (1,273)	$ 550
Net (loss) income attributable to non-controlling interests	(759)	356
NET (LOSS) INCOME ATTRIBUTABLE TO PORTILLO'S INC.	$ (514)	$ 194
Shares:
Weighted-average number of common shares outstanding-basic (in shares)	49,599,074	35,807,171
Dilutive share awards (in shares)	0	4,137,000
Weighted-average number of common shares outstanding-diluted (in shares)	49,599,074	39,944,086
Basic net (loss) income per share (in usd per share)	$ (0.01)	$ 0.01
Diluted net (loss) income per share (in usd per share)	$ (0.01)	$ 0.00

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EARNINGS PER SHARE - Schedule of Units Excluded from Calculation of Diluted Earnings per Share (Details) - shares shares in Thousands	3 Months Ended
	Mar. 26, 2023	Mar. 27, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares excluded from diluted income (loss) per share (in shares)	5,345	1,196
Shares subject to performance conditions
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares excluded from diluted income (loss) per share (in shares)	1,807	1,196
Shares that were antidilutive
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares excluded from diluted income (loss) per share (in shares)	3,538	0

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RELATED PARTY TRANSACTIONS (Details) - USD ($)		3 Months Ended
	Oct. 25, 2021	Mar. 26, 2023	Mar. 27, 2022	Dec. 25, 2022
Related Party Transaction [Line Items]
TRA obligation percent	85.00%
TRA amounts paid		$ 800,000	$ 0
Current portion of Tax Receivable Agreement liability		6,309,000		$ 813,000
Tax receivable agreement liability		$ 292,490,000		252,003,000
Portillo's Inc. | Berkshire Partners LLC
Related Party Transaction [Line Items]
Ownership %		31.70%
Equity Method Investee | C&O
Related Party Transaction [Line Items]
Receivables		$ 300,000		300,000
Director
Related Party Transaction [Line Items]
Net Olo-related costs		699,000	438,000
Payables		100,000		$ 200,000
Director | Cost of goods sold, excluding depreciation and amortization
Related Party Transaction [Line Items]
Net Olo-related costs		585,000	325,000
Director | Other operating expenses
Related Party Transaction [Line Items]
Net Olo-related costs		$ 114,000	$ 113,000

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SUBSEQUENT EVENTS (Details)		1 Months Ended	3 Months Ended
	Apr. 05, 2023 shares	May 04, 2023 restaurant	Mar. 26, 2023 restaurant shares	Sep. 25, 2022 shares	Dec. 25, 2022 restaurant
Subsequent Event [Line Items]
Number of restaurants | restaurant			74		71
Portillo's Inc. | Over-Allotment Option
Subsequent Event [Line Items]
Number of shares issued in transaction (in shares)			1,200,000	66,458
pre-IPO LLC Members
Subsequent Event [Line Items]
Redemption of LLC Units in connection with the secondary offering (in shares)			5,893,600
LLC Units
Subsequent Event [Line Items]
Redemption of LLC Units in connection with the secondary offering (in shares)			5,893,600
Portillo's Opco | Portillo's Inc.
Subsequent Event [Line Items]
Ownership %			75.20%		67.00%
Portillo's Opco | pre-IPO LLC Members
Subsequent Event [Line Items]
Ownership %			24.80%		33.00%
C&O
Subsequent Event [Line Items]
Ownership percentage			50.00%		50.00%
Subsequent Event
Subsequent Event [Line Items]
Number of new restaurants | restaurant		1
Number of restaurants | restaurant		75
Subsequent Event | Portillo's Inc.
Subsequent Event [Line Items]
Redemption of LLC Units in connection with the secondary offering (in shares)	163,376
Subsequent Event | Portillo's Inc. | Over-Allotment Option
Subsequent Event [Line Items]
Number of shares issued in transaction (in shares)	620,493
Subsequent Event | pre-IPO LLC Members
Subsequent Event [Line Items]
Redemption of LLC Units in connection with the secondary offering (in shares)	457,117
Subsequent Event | LLC Units
Subsequent Event [Line Items]
Redemption of LLC Units in connection with the secondary offering (in shares)	457,117
Subsequent Event | Portillo's Opco | Portillo's Inc.
Subsequent Event [Line Items]
Ownership %	75.90%
Subsequent Event | Portillo's Opco | pre-IPO LLC Members
Subsequent Event [Line Items]
Ownership %	24.10%
Subsequent Event | C&O
Subsequent Event [Line Items]
Ownership percentage		50.00%