Company: COST
Filing Date: 2025-12-04
Form Type: DEF 14A
Source: 0000909832-25-000159
Chunk: 33

Company: COSTCO WHOLESALE CORP /NEW
Filing Date: 2025-12-04
Form: DEF 14A
Chunk 33
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 in this column represent the interest on the officer’s balance to the extent that it is “above market” – greater than 120% of the applicable federal long-term rate.

(6) Detail is provided below in the All Other Compensation table.

(7) Mr. Riel's compensation earned in Canada was converted to USD using the average exchange rate for fiscal periods 2024 and 2023 equaling $1.360 CAD and $1.346 CAD.

(8) Mr. Galanti served as Chief Financial Officer until March 2024 and as Executive Vice President until January 2025.

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#### FISCAL 2025 ALL OTHER COMPENSATION
|                    |     |     Deferred 
 Compensation 
    Match ($) |     |       401(k) 
     Matching 
 Contribution 
         ($)1 |     |        401(k) 
 Discretionary 
  Contribution 
          ($)1 |     | Executive 
      Life 
 Insurance 
       ($) |     |  Long-Term 
 Disability 
   Premiums 
       ($)2 |     |      Tax 
 Gross-Up 
     ($)3 |     | Other ($)4 |     | Total All Other 
    Compensation 
            ($)5 |
| Ron M. Vachris     |     |        5,000 |     |          500 |     |        31,050 |     |     3,993 |     |     10,844 |     |    7,114 |     |        130 |     |          58,631 |
| Gary Millerchip    |     |            — |     |          500 |     |             — |     |     6,700 |     |     10,614 |     |   74,332 |     |    109,539 |     |         201,685 |
| Russ D. Miller     |     |        5,000 |     |          500 |     |        31,050 |     |     6,872 |     |     12,807 |     |    8,496 |     |        130 |     |          64,855 |
| Pierre Riel        |     |        5,000 |     |          500 |     |        31,050 |     |     4,022 |     |     10,274 |     |   78,256 |     |    120,130 |