Costco Wholesale : Q1 Supplemental Information

1st Quarter FY 2026 Supplemental Information

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Q1 Highlights - Sales

$66.0B

Net Sales

+8.2% Growth

+6.4%

Comparable Sales

+6.4%

Adjusted Comparable Sales1

+3.1%

Comparable Traffic

+3.2%

Comparable Ticket

+3.2%

Adjusted Comparable Ticket1

+20.5%

Digitally-Enabled Comparable Sales

+20.5%

Adjusted Digitally-Enabled Comparable Sales2

1 - Excluding impacts from changes in gasoline prices and foreign exchange

2 - Digitally-Enabled Comparable Sales excluding impacts from FX

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Q1 Highlights - Sales - Segment Reporting

Comp Sales	US	Canada	Other International	Total Company
Sales	+5.9%	+6.5%	+8.8%	+6.4%
Ticket	+3.2%	+1.4%	+5.5%	+3.2%
Traffic	+2.6%	+5.0%	+3.1%	+3.1%

Adjusted Comp Sales1	US	Canada	Other International	Total Company
Sales	+5.9%	+9.0%	+6.8%	+6.4%
Ticket	+3.2%	+3.8%	+3.6%	+3.2%
Traffic	+2.6%	+5.0%	+3.1%	+3.1%

1 - Excluding impacts from changes in gasoline prices and foreign exchange

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Q1 Highlights - Financial Performance

Net Income $2.00B +11.3% Growth*	Diluted EPS $4.50 +11.4% Growth*
*- "Other" Items for the Quarter: This year's results included a tax benefit of $72 million, or $0.16 per diluted share, related to stock-based compensation. Last year this impact was $100 million, or $0.22 per diluted share. Excluding these tax benefits, net income and diluted EPS growth were both +13.6%.

Gross Margin 11.32%

+4 bps vs. Q1 FY'25

+4 bps ex. gas impact

SG&A 9.60%

-1 bp vs. Q1 FY'25

-1 bp ex. gas impact

Reported		Ex Gas1	Reported		Ex Gas1
Core	0bps	0bps	Ops	-1bp	-1bp
Other Bus	+7bps	+7bps	Central	+3bps	+3bps
LIFO	-3bps	-3bps	Equity Comp	+2bps	+2bps
Total	+4bps	+4bps	Preopening	-1bp	-1bp
Core on Core Sales: +30bps			Other2	-4bps	-4bps
			Total	-1bp	-1bp

1 - Excluding the impacts from changes in gasoline prices

2 - Related to a tax assessment for prior years

+ = Favorable/lower, - = Unfavorable/higher

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Q1 Highlights - Membership

+14.0%

Membership Income Growth

+14.0%

Membership Income Growth ex-FX

89.7%

Worldwide Membership Renewal Rate

92.2%

US/CN Renewal Rate

81.4MM

Paid Memberships

+5.2% Growth

145.9MM

Total Cardholders

+5.1% Growth

39.7MM

Executive Memberships

74.3%

Penetration of Sales to

Executive Members

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Q1 Highlights - Digital

+20.5%

Adjusted Digitally-Enabled Comparable Sales1

+20.5%

Digitally-Enabled Comparable Sales

Top Sales Categories:

• Pharmacy

• Gold/Jewelry

• Tires

• Small Electrics

• Apparel

• Majors

  Digital Metrics:

• Ecommerce Site Traffic: +24%

• Ecommerce Average Order Value: +13%

  Digital Enhancements:

• Personalized product recommendations on website

• Improved product display pages leading to increased conversion

  
  
  

• Continued improvement to search capability

1 - Digitally-Enabled Comparable Sales excluding impacts from FX

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Q1 Highlights - Warehouse Expansion

	Q4 FY'25 End	FY'26 Q1	Rest of FY (Estimated)	FY'26 End (Estimated)
US	629	4	16	649
Canada	110	2	3	115
Other International	175	1	2	178
Total	914	7	21	942

Mulhouse, France: 11/20/25

Vancouver, BC (Business Center): 11/14/25

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Q1 Highlights - New Member Values

Lowering Everyday Low Prices New Items

KS Chicken Pot Pie From $4.29 to $3.99/lb

KS Whip Cream From $10.49 to $8.99

KS Bacon From $18.99 to $16.99

KS Walnuts 3 lbs From $14.49 to $12.99

KS Dry Facial Daily Clean Towels

KS Caramelized Blueberry Croissant

KS Crème Brulee Bar

Cake

KS Tomato Basil Soup

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Safe Harbor

Certain statements contained in this document constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. For these purposes, forward-looking statements are statements that address activities, events, conditions or developments that the Company expects or anticipates may occur in the future. In some cases forward-looking statements can be identified because they contain words such as "anticipate," "believe," "continue," "could," "estimate," "expect," "intend," "likely," "may," "might," "plan," "potential," "predict," "project," "seek," "should," "target," "will," "would," or similar expressions and the negatives of those terms. Such forward-looking statements involve risks and uncertainties that may cause actual events, results or performance to differ materially from those indicated by such statements. These risks and uncertainties include, but are not limited to, domestic and international economic conditions, including exchange rates, inflation or deflation, the effects of competition and regulation, uncertainties in the financial markets, consumer and small business spending patterns and debt levels, breaches of security or privacy of member or business information, conditions affecting the acquisition, development, ownership or use of real estate, capital spending, actions of vendors, rising costs associated with employees (generally including health-care costs and wages), workforce interruptions, energy and certain commodities, geopolitical conditions (including tariffs), the ability to maintain effective internal control over financial reporting, regulatory and other impacts related to environmental and social matters, public-health related factors, and other risks identified from time to time in the Company's public statements and reports filed with the Securities and Exchange Commission. Forward-looking statements speak only as of the date they are made, and the Company does not undertake to update these statements, except as required by law. Comparable sales and comparable sales excluding impacts from changes in gasoline prices and foreign exchange are intended as supplemental information and are not a substitute for net sales presented in accordance with U.S. GAAP.

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