NEWS RELEASES

Date	Title
9/23/21	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2021 Operating Results
9/1/21	Costco Wholesale Corporation Reports August Sales Results
8/4/21	Costco Wholesale Corporation Reports July Sales Results
7/13/21	Costco Wholesale Corporation Announces Quarterly Cash Dividend
7/8/21	Costco Wholesale Corporation Reports June Sales Results
6/3/21	Costco Wholesale Corporation Reports May Sales Results
5/27/21	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2021
5/5/21	Costco Wholesale Corporation Reports April Sales Results
4/14/21	Costco Wholesale Corporation Announces an Increase in Its Quarterly Cash Dividend
4/7/21	Costco Wholesale Corporation Reports March Sales Results
3/4/21	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2021 and February Sales Results
2/3/21	Costco Wholesale Corporation Reports January Sales Results
1/21/21	Costco Wholesale Corporation Announces Quarterly Cash Dividend
1/6/21	Costco Wholesale Corporation Reports December Sales Results
12/10/20	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2021 Operating Results
12/2/20	Costco Wholesale Corporation Reports November and First Quarter Fiscal Year 2021 Sales Results
11/16/20	Costco Wholesale Corporation Declares Special Cash Dividend of $10 Per Share
11/4/20	Costco Wholesale Corporation Reports October Sales Results
10/14/20	Costco Wholesale Corporation Announces Quarterly Cash Dividend
10/7/20	Costco Wholesale Corporation Reports September Sales Results
9/24/20	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2020 Operating Results
9/2/20	Costco Wholesale Corporation Reports August Sales Results
8/5/20	Costco Wholesale Corporation Reports July Sales Results
7/15/20	Costco Wholesale Corporation Announces Quarterly Cash Dividend
7/8/20	Costco Wholesale Corporation Reports June Sales Results
6/3/20	Costco Wholesale Corporation Reports May Sales Results
5/28/20	Costco Wholesale Corporation Reports Third Quarter and Year-To-Date Operating Results for Fiscal 2020
5/6/20	Costco Wholesale Corporation Reports April Sales Results
4/16/20	Costco Wholesale Corporation Announces $4 Billion Debt Offering
4/15/20	Costco Wholesale Corporation Announces an Increase in Its Quarterly Cash Dividend
4/8/20	COSTCO WHOLESALE CORPORATION REPORTS MARCH SALES RESULTS
3/17/20	COSTCO WHOLESALE CORPORATION - ACQUISITION TO FURTHER LAST MILE CAPACITY
3/5/20	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2020 and February Sales Results
2/5/20	Costco Wholesale Corporation Reports January Sales Results
1/23/20	Costco Wholesale Corporation Announces Quarterly Cash Dividend
1/8/20	Costco Wholesale Corporation Reports December Sales Results
12/12/19	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2020 Operating Results
12/4/19	Costco Wholesale Corporation Reports November and First Quarter Fiscal Year 2020 Sales Results
11/6/19	Costco Wholesale Corporation Reports October Sales Results
10/18/19	Costco Wholesale Corporation Announces Quarterly Cash Dividend
10/9/19	Costco Wholesale Corporation Reports September Sales Results
10/9/19	Costco Wholesale Corporation Updates on Children’s Sleepers
10/3/19	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2019 Operating Results
9/5/19	Costco Wholesale Corporation Reports August Sales Results
8/13/19	Costco Wholesale Corporation Announces Quarterly Cash Dividend
8/7/19	Costco Wholesale Corporation Reports July Sales Results
7/10/19	Costco Wholesale Corporation Reports June Sales Results
6/5/19	Costco Wholesale Corporation Reports May Sales Results
5/30/19	Costco Wholesale Corporation Reports Third Quarter and Year-To-Date Operating Results for Fiscal 2019
5/8/19	Costco Wholesale Corporation Reports April Sales Results
4/26/19	Costco Wholesale Corporation Announces Reauthorization of Stock Repurchase Program and Quarterly Cash Dividend Increase
4/10/19	Costco Wholesale Corporation Reports March Sales Results
3/7/19	Costco Wholesale Corporation Reports Second Quarter and Year-To-Date Operating Results for Fiscal 2019 and February Sales Results
2/6/19	Costco Wholesale Corporation Reports January Sales Results
1/24/19	Costco Wholesale Corporation Announces Quarterly Cash Dividend
1/9/19	Costco Wholesale Corporation Reports December Sales Results
12/13/18	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2019 Operating Results
12/6/18	Costco Wholesale Corporation Reports November Sales Results
11/7/18	Costco Wholesale Corporation Reports October Sales Results
10/24/18	Costco Wholesale Corporation Announces Quarterly Cash Dividend
10/10/18	Costco Wholesale Corporation Reports September Sales Results
10/4/18	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2018 Operating Results
9/6/18	Costco Wholesale Corporation Reports August Sales Results
8/17/18	Costco Wholesale Corporation Announces Quarterly Cash Dividend
8/8/18	Costco Wholesale Corporation Reports July Sales Results
7/11/18	Costco Wholesale Corporation Reports June Sales Results
6/6/18	Costco Wholesale Corporation Reports May Sales Results
5/31/18	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2018
5/9/18	Costco Wholesale Corporation Reports April Sales Results
4/24/18	Costco Wholesale Corporation Announces an Increase in Its Quarterly Cash Dividend
4/11/18	Costco Wholesale Corporation Reports March Sales Results
3/7/18	Costco Wholesale Corporation Reports Second Quarter and Year-To-Date Operating Results for Fiscal 2018 and February Sales Results
2/7/18	Costco Wholesale Corporation Reports January Sales Results
1/30/18	Costco Wholesale Corporation Announces Quarterly Cash Dividend
1/3/18	Costco Wholesale Corporation Reports December Sales Results
12/14/17	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2018 Operating Results
11/29/17	Costco Wholesale Corporation Reports November Sales Results
11/1/17	Costco Wholesale Corporation Reports October Sales Results
10/30/17	Costco Wholesale Corporation Announces Quarterly Cash Dividend
10/5/17	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2017 Operating Results and September Sales Results
8/30/17	Costco Wholesale Corporation Reports August Sales Results
8/14/17	Costco Wholesale Corporation Responds to Tiffany Ruling
8/10/17	Costco Wholesale Corporation Election of New Chairman
8/2/17	Costco Wholesale Corporation Reports July Sales Results
8/1/17	Costco Wholesale Corporation Announces Death of Chairman Jeff Brotman
7/31/17	Costco Wholesale Corporation Announces Quarterly Cash Dividend
7/5/17	Costco Wholesale Corporation Reports June Sales Results
5/31/17	Costco Wholesale Corporation Reports May Sales Results
5/25/17	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal Year 2017
5/9/17	Costco Wholesale Corporation Announces Debt Offering
5/3/17	Costco Wholesale Corporation Reports April Sales Results
4/25/17	Costco Wholesale Corporation Reports Special Cash Dividend of $7.00 Per Share and Increase in Quarterly Cash Dividend
4/5/17	Costco Wholesale Corporation Reports March Sales Results
3/20/17	Costco Wholesale Corporation Announces New Board Member
3/2/17	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal Year 2017, February Sales Results, and Plans for Membership Fee Increase
2/1/17	Costco Wholesale Corporation Reports January Sales Results
1/27/17	Costco Wholesale Corporation Announces Quarterly Cash Dividend
1/4/17	Costco Wholesale Corporation Reports December Sales Results
12/7/16	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2017 Operating Results
11/30/16	Costco Wholesale Corporation Reports November Sales Results
11/2/16	Costco Wholesale Corporation Reports October Sales Results
10/12/16	Costco Wholesale Corporation Announces Quarterly Cash Dividend
10/5/16	Costco Wholesale Corporation Reports September Sales Results
10/5/16	Costco Wholesale Corporation Responds to Verdict
9/29/16	Costco Wholesale Corporation Responds to Partial Verdict
9/29/16	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2016 Operating Results
8/31/16	Costco Wholesale Corporation Reports August, Fourth Quarter and Fiscal Year 2016 Sales Results
8/3/16	Costco Wholesale Corporation Reports July Sales Results
7/25/16	Costco Wholesale Corporation Announces Quarterly Cash Dividend
7/6/16	Costco Wholesale Corporation Reports June Sales Results
6/1/16	Costco Wholesale Corporation Reports May Sales Results
5/25/16	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal Year 2016
5/4/16	Costco Wholesale Corporation Reports April Sales Results
4/14/16	Costco Wholesale Corporation Announces an Increase in Its Quarterly Cash Dividend
4/13/16	Costco Wholesale Corporation Opposes New Bill Restricting Competition in Contact Lens Sales
4/11/16	Costco Wholesale Corporation Recommends That Shareholders Reject "Mini-Tender" Offer
4/6/16	Costco Wholesale Corporation Reports March Sales Results
3/2/16	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal Year 2016 and February Sales Results
2/3/16	Costco Wholesale Corporation Reports January Sales Results
1/29/16	Costco Wholesale Corporation Announces Quarterly Cash Dividend
1/6/16	Costco Wholesale Corporation Reports December Sales Results
12/8/15	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2016 Operating Results
12/2/15	Costco Wholesale Corporation Reports November Sales Results
11/4/15	Costco Wholesale Corporation Reports October Sales Results
10/29/15	Costco Wholesale Corporation Announces New Board Member
10/29/15	Costco Wholesale Corporation Announces Quarterly Cash Dividend
10/14/15	Costco Wholesale Corporation Announces New Board Member
10/7/15	Costco Wholesale Corporation Reports September Sales Results
9/29/15	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2015 Operating Results
9/2/15	Costco Wholesale Corporation Reports August, Fourth Quarter and Fiscal Year 2015 Sales Results
8/5/15	Costco Wholesale Corporation Reports July Sales Results
7/27/15	Costco Wholesale Corporation Announces Quarterly Cash Dividend
7/8/15	Costco Wholesale Corporation Reports June Sales Results
6/3/15	Costco Wholesale Corporation Reports May Sales Results
5/27/15	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2015
5/6/15	Costco Wholesale Corporation Reports April Sales Results
4/17/15	Costco Wholesale Corporation Announces Reauthorization of Its Stock Repurchase Program and an Increase in Its Quarterly Cash Dividend
4/8/15	Costco Wholesale Corporation Reports March Sales Results
3/5/15	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2015 and February Sales Results
3/2/15	Costco Enters Into a Long Term Co-Brand Credit Card Agreement With Citi and an Acceptance and Co-Brand Agreement With Visa
2/5/15	Costco Wholesale Corporation Announces Debt Offering
2/4/15	Costco Wholesale Corporation Reports January Sales Results
1/30/15	Costco Wholesale Corporation Reports Special Cash Dividend of $5.00 per Share
1/29/15	Costco Wholesale Corporation Announces Quarterly Cash Dividend
1/8/15	Costco Wholesale Corporation Reports December Sales Results
12/10/14	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2015 Operating Results
12/4/14	Costco Wholesale Corporation Reports November Sales Results
11/6/14	Costco Wholesale Corporation Reports October Sales Results
10/28/14	Costco Wholesale Corporation Announces Quarterly Cash Dividend
10/8/14	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2014 Operating Results and September Sales Results
9/4/14	Costco Wholesale Corporation Reports August, Fourth Quarter and Fiscal Year 2014 Sales Results
8/7/14	Costco Wholesale Corporation Reports July Sales Results
7/10/14	Costco Wholesale Corporation Reports June Sales Results
6/23/14	Costco Wholesale Corporation Announces Quarterly Cash Dividend
6/5/14	Costco Wholesale Corporation Reports May Sales Results
5/29/14	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2014
5/8/14	Costco Wholesale Corporation Reports April Sales Results
4/29/14	Costco Wholesale Corporation Announces Increase in Quarterly Cash Dividend
4/10/14	Costco Wholesale Corporation Reports March Sales Results
3/6/14	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2014 and February Sales Results
2/6/14	Costco Wholesale Corporation Reports January Sales Results
1/30/14	Costco Wholesale Corporation Announces Quarterly Cash Dividend
1/9/14	Costco Wholesale Corporation Reports December Sales Results
12/11/13	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2014 Operating Results
12/5/13	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2014 and November Sales Results
11/7/13	Costco Wholesale Corporation Reports October Sales Results
10/29/13	Costco Wholesale Corporation Announces Quarterly Cash Dividend
10/9/13	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2013 Operating Results and September Sales Results
10/9/13	Q4 FY'13 Supplemental Information
9/5/13	Costco Wholesale Corporation Reports August, Fourth Quarter and Fiscal Year 2013 Sales Results
8/8/13	Costco Wholesale Corporation Reports July Sales Results
7/22/13	Costco Wholesale Corporation Announces Quarterly Cash Dividend
7/11/13	Costco Wholesale Corporation Reports June Sales Results
6/6/13	Costco Wholesale Corporation Reports May Sales Results
5/30/13	Q3 2013 Supplemental Information
5/30/13	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal Year 2013
5/9/13	Costco Wholesale Corporation Reports April Sales Results
4/30/13	Costco Wholesale Corporation Announces Quarterly Cash Dividend
4/11/13	Costco Wholesale Corporation Reports March Sales Results
3/12/13	Q2 2013 Supplemental Information
3/12/13	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal Year 2013
3/7/13	Costco Wholesale Corporation Reports February, Second Quarter and Year-to-Date Sales Results
2/7/13	Costco Wholesale Corporation Reports January Sales Results
1/24/13	Costco Wholesale Corporation Announces Quarterly Cash Dividend
1/3/13	Costco Wholesale Corporation Reports December Sales Results
12/12/12	Q1 2013 Supplemental Information
12/12/12	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2013 Operating Results
11/28/12	Costco Wholesale Corporation Announces Debt Offering
11/28/12	Costco Wholesale Corporation Reports November Sales Results and Announces Plans for a Special Cash Dividend of $7.00 per Share
11/19/12	Craig Jelinek, President and CEO of Costco Wholesale Corporation, Issued the Following Statement Today:
11/1/12	Costco Wholesale Corporation Reports October Sales Results
10/30/12	Costco Wholesale Corporation Announces Quarterly Cash Dividend
10/10/12	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2012 Operating Results
10/10/12	Q4 2012 Supplemental Information
10/4/12	Costco Wholesale Corporation Reports September Sales Results
8/30/12	Costco Wholesale Corporation Reports August Sales Results
8/1/12	Costco Wholesale Corporation Reports July Sales Results
7/23/12	Costco Wholesale Corporation Announces Quarterly Cash Dividend
7/5/12	Costco Wholesale Corporation Reports June Sales Results
6/14/12	Costco Wholesale Corporation and Controladora Comercial Mexicana Agree to Transaction Concerning Costco de Mexico
5/31/12	Costco Wholesale Corporation Reports May Sales Results
5/24/12	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal Year 2012
5/24/12	Q3 2012 Supplemental Information
5/9/12	Costco Wholesale Corporation Announces Quarterly Cash Dividend
5/3/12	Costco Wholesale Corporation Reports April Sales Results
4/5/12	Costco Wholesale Corporation Reports March Sales Results
2/29/12	Q2 2012 Supplemental Information
2/29/12	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal Year 2012, and February Sales Results
2/2/12	Costco Wholesale Corporation Reports January Sales Results
1/26/12	Costco Wholesale Corporation Announces Quarterly Cash Dividend
1/5/12	Costco Wholesale Corporation Reports December Sales Results
12/8/11	Q1 2012 Supplemental Information
12/8/11	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2012 Operating Results
12/1/11	Costco Wholesale Corporation Reports November Sales Results
11/3/11	Costco Wholesale Corporation Reports October Sales Results
10/25/11	Costco Wholesale Corporation Announces Quarterly Cash Dividend
10/5/11	Q4 2011 Supplemental Information
10/5/11	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2011 Operating Results, September Sales Results and Plans for Membership Fee Increases
8/31/11	Costco Wholesale Corporation Reports August Sales Results; And Planned Management Change
8/4/11	Costco Wholesale Corporation Reports July Sales Results
7/18/11	Costco Wholesale Corporation Announces Quarterly Cash Dividend
7/7/11	Costco Wholesale Corporation Reports June Sales Results
6/2/11	Costco Wholesale Corporation Reports May Sales Results
5/25/11	Q3 2011 Supplemental Information
5/25/11	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal Year 2011
5/5/11	Costco Wholesale Corporation Reports April Sales Results
4/26/11	Costco Wholesale Corporation Announces Expansion of Its Stock Repurchase Program and an Increase in Its Quarterly Cash Dividend
4/7/11	Costco Wholesale Corporation Reports March Sales Results
3/14/11	Costco Wholesale Corporation Comments on Its Operations in Japan Following the Major Earthquake
3/2/11	Q2 2011 Supplemental Information
3/2/11	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal Year 2011, and February Sales Results
2/3/11	Costco Wholesale Corporation Reports January Sales Results
1/27/11	Costco Wholesale Corporation Announces Quarterly Cash Dividend
1/6/11	Costco Wholesale Corporation Reports December Sales Results
12/8/10	Q1 2011 Supplemental Information
12/8/10	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2011 Operating Results
12/2/10	Costco Wholesale Corporation Reports November Sales Results
11/10/10	Costco Wholesale Corporation Recognized for Promotion of Gender Equality and Work-Life Balance in Japan
11/4/10	Costco Wholesale Corporation Reports October Sales Results
10/7/10	Costco Wholesale Corporation Announces a Quarterly Cash Dividend
10/6/10	Q4 2010 Supplemental Information
10/6/10	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2010 Operating Results and September Sales Results
9/29/10	Costco Wholesale Corporation Comments on the July Death at Its Summerlin, Nevada Warehouse
9/2/10	Costco Wholesale Corporation Reports August Sales Results
8/31/10	Costco Wholesale Corporation Comments on Suppliers' Humane Treatment of Animals
8/5/10	Costco Wholesale Corporation Reports July Sales Results
7/20/10	Costco Wholesale Corporation Announces a Quarterly Cash Dividend
7/8/10	Costco Wholesale Corporation Reports June Sales Results
6/3/10	Costco Wholesale Corporation Reports May Sales Results
5/27/10	Q3 2010 Supplemental Information
5/27/10	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal Year 2010
5/24/10	Costco Supports Initiative 1100, Privatizing Liquor Sales in Washington State
5/6/10	Costco Wholesale Corporation Reports April Sales Results
5/5/10	Costco Wholesale Corporation Announces Executive Officer Retirement
4/22/10	Costco Wholesale Corporation Announces an Increase in Its Quarterly Cash Dividend
4/8/10	Costco Wholesale Corporation Reports March Sales Results
3/3/10	Q2 2010 Supplemental Information
3/3/10	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal Year 2010, and February Sales Results; Conference Call Scheduled for 7:00AM (PT)
2/4/10	Costco Wholesale Corporation Reports January Sales Results
2/1/10	Costco Wholesale Corporation Announces Executive Management Changes
1/28/10	Costco Wholesale Corporation Announces a Quarterly Cash Dividend
1/7/10	Costco Wholesale Corporation Reports December Sales Results
12/10/09	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2010 Operating Results
12/3/09	Costco Wholesale Corporation Reports November Sales Results
11/5/09	Costco Wholesale Corporation Reports October Sales Results
10/8/09	Costco Wholesale Corporation Announces a Quarterly Cash Dividend
10/7/09	Q4 2009 Supplemental Information
10/7/09	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2009 Operating Results and September Sales Results
9/3/09	Costco Wholesale Corporation Reports August Sales Results
8/27/09	Costco Wholesale Corporation Announces Discontinuation of Doll Collection
8/6/09	Costco Wholesale Corporation Reports July Sales Results
7/27/09	Costco Wholesale Corporation Announces a Quarterly Cash Dividend
7/9/09	Costco Wholesale Corporation Reports June Sales Results
6/4/09	Costco Wholesale Corporation Reports May Sales Results
5/29/09	Costco Wholesale Corporation Announces Expansion of Its Pilot Test for Accepting Food Stamps
5/28/09	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2009
5/28/09	Q3 2009 Supplemental Information
5/27/09	Costco Wholesale Corporation Announces Pilot Test for Accepting Food Stamps
5/7/09	Costco Wholesale Corporation Reports April Sales Results
4/28/09	Costco Wholesale Corporation Announces an Increase in Its Quarterly Cash Dividend
4/9/09	Costco Wholesale Corporation Reports March Sales Results
4/2/09	Costco Wholesale Corporation Announces Plans to Close Costco Home Stores
3/19/09	Costco Wholesale Opens New Business Center in Hawthorne, CA
3/4/09	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2009, and February Sales Results
3/4/09	Q2 2009 Supplemental Information
2/12/09	Costco Comment on Department of Justice Release
2/4/09	Costco Wholesale Corporation Reports January Sales Results and Comments on Earnings Outlook for Its Fiscal 2009 Second Quarter
1/28/09	Costco Wholesale Corporation Announces Quarterly Cash Dividend
1/8/09	Costco Wholesale Corporation Reports December Sales Results
12/11/08	Costco Wholesale Corporation Reports First Quarter Operating Results for Fiscal 2009
12/9/08	Costco Wholesale Corporation Announces New Board Member
12/5/08	Q1 2009 Supplemental Information
12/4/08	Costco Wholesale Corporation Reports November Sales Results
11/6/08	Costco Wholesale Corporation Reports October Sales Results
10/30/08	Costco Wholesale Corporation Announces Quarterly Cash Dividend
10/8/08	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2008 Operating Results and September Sales Results
10/8/08	Q4 2008 Supplemental Information
9/3/08	Costco Wholesale Corporation Reports August Sales Results
8/7/08	Costco Wholesale Corporation Reports July Sales Results
7/23/08	Costco Wholesale Corporation Comments on Earnings Outlook for Its Fiscal 2008 Fourth Quarter and Announces Quarterly Cash Dividend and an Additional $1 Billion Stock Repurchase Authorization
7/10/08	Costco Wholesale Corporation Reports June Sales Results
6/5/08	Costco Wholesale Corporation Reports May Sales Results
5/29/08	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2008
5/8/08	Costco Wholesale Corporation Reports April Sales Results
4/29/08	Costco Wholesale Corporation Announces an Increase in Its Quarterly Cash Dividend
4/10/08	Costco Wholesale Corporation Reports March Sales Results
3/5/08	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2008, and February Sales Results
2/7/08	Costco Wholesale Corporation Reports January Sales Results
1/30/08	Costco Wholesale Corporation Announces Quarterly Cash Dividend
1/10/08	Costco Wholesale Corporation Reports December Sales Results
12/13/07	Costco Wholesale Corporation Reports First Quarter Operating Results for Fiscal 2008
12/6/07	Costco Wholesale Corporation Reports November Sales Results
11/13/07	Costco Wholesale Corporation Announces Quarterly Cash Dividend
11/8/07	Costco Wholesale Corporation Reports October Sales Results
10/10/07	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2007 Operating Results and September Sales Results
9/5/07	Costco Wholesale Corporation Reports August Sales Results
8/9/07	Costco Wholesale Corporation Reports July Sales Results
7/12/07	Costco Wholesale Corporation Reports June Sales Results
7/9/07	Costco Wholesale Corporation Announces Quarterly Cash Dividend
6/7/07	Costco Wholesale Corporation Reports May Sales Results
5/31/07	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2007, Including Further Refinement of Its Sales Returns Reserve
5/10/07	Costco Wholesale Corporation Reports April Sales Results
4/12/07	Costco Wholesale Corporation Reports March Sales Results
4/10/07	Costco Wholesale Corporation Announces an Increase in Its Quarterly Cash Dividend
3/16/07	Statement by Costco Wholesale Corporation Regarding Grand Jury Subpoena
3/8/07	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2007, Including Certain One-Time Items, and February Sales Results
2/8/07	Costco Wholesale Corporation Reports January Sales Results
2/1/07	Costco Wholesale Corporation Announces Quarterly Cash Dividend
1/12/07	Statement by Costco Wholesale Corporation CEO, Jim Sinegal, Regarding Class Action Certification
1/4/07	Costco Wholesale Corporation Reports December Sales Results
12/14/06	Costco Wholesale Corporation Reports First Quarter Operating Results for Fiscal 2007 and Anticipated Non-Recurring Charge Relating to Stock Options
12/14/06	Q1 2007 Supplemental Information
11/30/06	Costco Wholesale Corporation Reports November Sales Results
11/6/06	Costco Wholesale Corporation Announces Quarterly Cash Dividend
11/2/06	Costco Wholesale Corporation Reports October Sales Results
10/12/06	Costco Wholesale Corporation Releases Fourth Quarter and Fiscal Year 2006 Results of Operations and Reports Review of Historical Stock Option Practices
10/12/06	Q4 2006 Supplemental Information
10/5/06	Costco Wholesale Corporation Reports September Sales Results
8/30/06	Costco Wholesale Corporation Reports August Sales Results and Revises Earnings Outlook for Its Fiscal Fourth Quarter
8/3/06	Costco Wholesale Corporation Reports July Sales Results
7/18/06	Costco Wholesale Corporation Announces Quarterly Cash Dividend and Plan to Purchase Up to an Additional $2 Billion of Costco Common Stock
7/6/06	Costco Wholesale Corporation Reports June Sales Results
5/31/06	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2006 and May Sales Results
5/31/06	Q3 2006 Supplemental Information
5/4/06	Costco Wholesale Corporation Reports April Sales Results
4/25/06	Costco Wholesale Corporation Announces an Increase in Its Quarterly Cash Dividend
4/6/06	Costco Wholesale Corporation Reports March Sales Results and Plans for Membership Fee Increase
3/2/06	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2006 and February Sales Results
2/2/06	Costco Wholesale Corporation Reports January Sales Results
1/26/06	Costco Wholesale Corporation Announces Quarterly Cash Dividend
1/5/06	Costco Wholesale Corporation Reports December Sales Results
12/8/05	Costco Wholesale Corporation Reports First Quarter Operating Results for Fiscal 2006
12/1/05	Costco Wholesale Corporation Reports November Sales Results
11/7/05	Costco Wholesale Corporation Announces Quarterly Cash Dividend
11/3/05	Costco Wholesale Corporation Reports October Sales Results
10/6/05	Costco Wholesale Corporation Releases Fourth Quarter and Fiscal Year 2005 Results of Operations and September Sales Results, and Announces over $400 Million in Recent Stock Repurchases and Plan to Repurchase up to an Additional $1 Billion
9/1/05	Costco Wholesale Corporation Reports August, Fourth Quarter and Fiscal Year 2005 Sales Results
8/4/05	Costco Wholesale Corporation Reports July Sales Results
7/27/05	Costco Wholesale Corporation Announces Quarterly Cash Dividend
7/7/05	Costco Wholesale Corporation Reports June Sales Results
6/2/05	Costco Wholesale Corporation Reports May Sales Results
5/26/05	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2005
5/5/05	Costco Wholesale Corporation Reports April Sales Results
4/22/05	Costco Wholesale Corporation Revises Earnings Outlook for the Remainder of Its Fiscal Year 2005 and Announces an Increase in Its Quarterly Cash Dividend
4/7/05	Costco Wholesale Corporation Reports March Sales Results
3/2/05	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2005 and February Sales Results
2/3/05	Costco Wholesale Corporation Reports January Sales Results
1/27/05	Costco Wholesale Corporation Announces Quarterly Cash Dividend
1/6/05	Costco Wholesale Corporation Reports December Sales Results
12/9/04	Costco Wholesale Corporation Reports First Quarter Operating Results for Fiscal 2005
12/2/04	Costco Wholesale Corporation Reports November Sales Results
11/4/04	Costco Wholesale Corporation Reports October Sales Results
10/26/04	Costco Wholesale Corporation Announces Quarterly Cash Dividend
10/13/04	Costco Wholesale Corporation Announces New Board Member
10/7/04	Costco Wholesale Corporation Releases Fourth Quarter and Fiscal Year 2004 Results of Operations and September Sales Results
9/2/04	Costco Wholesale Corporation Reports August, Fourth Quarter and Fiscal Year 2004 Sales Results
8/5/04	Costco Wholesale Corporation Reports July Sales Results
7/12/04	Costco Wholesale Corporation Announces Quarterly Cash Dividend
7/8/04	Costco Wholesale Corporation Reports June Sales Results
6/3/04	Costco Wholesale Corporation Reports May Sales Results
5/27/04	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2004
5/6/04	Costco Wholesale Corporation Reports April Sales Results
4/28/04	Costco Wholesale Corporation Announces Initiation of Quarterly Cash Dividend
4/8/04	Costco Wholesale Corporation Reports March Sales and Adjusts February Sales Results
3/3/04	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2004 and February Sales Results
2/5/04	Costco Wholesale Corporation Reports January Sales Results
1/7/04	Costco Wholesale Corporation Reports December Sales Results
12/9/03	Costco Wholesale Corporation Reports First Quarter Operating Results for Fiscal 2004
12/4/03	Costco Wholesale Corporation Reports November Sales Results
11/6/03	Costco Wholesale Corporation Reports October Sales Results
10/8/03	Costco Wholesale Corporation Releases Fourth Quarter and Fiscal Year 2003 Results of Operations and September Sales Results
9/3/03	Costco Wholesale Corporation Reports August, Fourth Quarter and Fiscal Year 2003 Sales Results
8/5/03	Costco Wholesale Corporation Reports July Sales Results and Revises Earnings Outlook for the Remainder of Its Fiscal Year 2003
7/10/03	Costco Wholesale Corporation Reports June Sales Results
6/5/03	Costco Wholesale Corporation Reports May Sales Results
5/28/03	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2003
5/8/03	Costco Wholesale Corporation Reports April Sales Results
4/10/03	Costco Wholesale Corporation Reports March Sales Results
3/5/03	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2003 and February Sales Results
2/6/03	Costco Wholesale Corporation Reports January Sales Results
1/31/03	Costco Wholesale Corporation Announces New Board Members
1/9/03	Costco Wholesale Corporation Reports December Sales Results
12/12/02	Costco Wholesale Corporation Reports First Quarter Operating Results for Fiscal 2003
12/5/02	Costco Wholesale Corporation Reports November Sales Results
11/7/02	Costco Wholesale Corporation Reports October Sales Results and Revises First Quarter Earnings Guidance
10/10/02	Costco Wholesale Corporation Releases Fourth Quarter and Fiscal Year 2002 Results of Operations and September Sales Results
9/4/02	Costco Wholesale Corporation Reports August, Fourth Quarter and Fiscal Year Sales Results
8/14/02	Costco Wholesale Corporation Changes Accounting Treatment for Stock Options
8/8/02	Costco Wholesale Corporation Reports July Sales Results
7/11/02	Costco Wholesale Corporation Reports June Sales Results
6/6/02	Costco Wholesale Corporation Reports May Sales Results
5/30/02	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2002
5/9/02	Costco Wholesale Corporation Reports April Sales Results
4/11/02	Costco Wholesale Corporation Reports March Sales Results
3/5/02	Costco Wholesale Corporation Reports Second Quarter and Year-to-date Operating Results for Fiscal 2002 and February Sales Results
2/7/02	Costco Wholesale Corporation Reports January Sales Results
1/10/02	Costco Wholesale Corporation Reports December Sales Results
12/13/01	Costco Wholesale Corporation Reports First Quarter Fiscal 2002 Operating Results
12/6/01	Costco Wholesale Corporation Reports November Sales Results
11/8/01	Costco Wholesale Corporation Reports October Sales Results
10/11/01	Costco Wholesale Corporation Releases Fourth Quarter and Fiscal Year 2001 Results of Operations and September Sales Results
9/11/01	Costco Warehouses to Remain Open
9/5/01	Costco Wholesale Corporation Reports August and Fiscal Year Sales Results
8/9/01	Costco Wholesale Corporation Reports July Sales Results
7/12/01	Costco Wholesale Corporation Reports June Sales Results
6/7/01	Costco Wholesale Corporation Reports May Sales Results
5/31/01	Costco Wholesale Corporation Reports Third Quarter and Year-to-date Operating Results for Fiscal 2001
5/10/01	Costco Wholesale Corporation Reports April Sales Results
4/23/01	Costco Wholesale Corporation Revises Earnings Outlook for the Remainder of Its Fiscal Year 2001
4/17/01	Costco Wholesale Opens Third Warehouse in Texas
4/17/01	Costco Wholesale Opens Fourth Warehouse in Texas
4/17/01	Costco Wholesale Corporation Launches B2B E-commerce Site for Faster and Easier Business Shopping
4/12/01	Costco Wholesale Corporation Reports March Sales Results
4/4/01	Costco Wholesale Corp. Not Involved in Bungee Baby Jumper Recall; Recall Involves Cosco Inc., a Subsidiary of Dorel Industries Inc. of Montreal, Canada
3/8/01	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2001 and February Sales Results
2/8/01	Costco Wholesale Corporation Reports January Sales Results
1/17/01	Costco Wholesale Corporation Announces Plans to Consolidate the Administration of its Canadian Operations
1/4/01	Costco Wholesale Corporation Reports December Sales Results
12/14/00	Costco Wholesale Corporation Reports First Quarter Fiscal 2001 Operating Results
12/7/00	Costco Wholesale Corporation to Announce First Quarter Earnings December 14, 2000
11/30/00	Costco Wholesale Corporation Reports November Sales Results
11/2/00	Costco Wholesale Corporation Reports October Sales Results
10/12/00	Costco Wholesale Corporation Releases Fourth Quarter and Fiscal Year 2000 Results of Operations
10/5/00	Costco Wholesale Corp. Reports September Sales Results
9/20/00	Costco Wholesale Opens Two Warehouses in the State of Texas
9/20/00	REMINDER/Costco Wholesale Enters Texas Market Media-Only Preview Announced
9/19/00	ADVISORY/Costco Wholesale Enters Texas Market Media-Only Preview Announced
8/31/00	Costco Wholesale Corporation Reports August Sales Results and Upcoming Plans for Membership Fee Increase
8/3/00	Costco Wholesale Corporation Reports July Sales Results
7/6/00	Costco Wholesale Corporation Reports June Sales Results
6/1/00	Costco Wholesale Corporation Reports May Sales Results and Purchase of Additional 20% Interest in Its United Kingdom Subsidiary Operation
5/24/00	Costco Wholesale Corporation Reports Third Quarter and Year-to-date Operating Results for Fiscal 2000 and Comments On Future Earnings Outlook
5/4/00	Costco Wholesale Corporation Reports April Sales Results
5/3/00	HomeSpace Expands Real Estate and Mortgage Programs to All Costco Wholesale Members Nationwide
4/6/00	Costco Wholesale Corporation Reports March Sales Results and the National Rollout of a 2% Annual Reward Program for Executive Members
3/2/00	Costco Wholesale Corporation Reports Second Quarter And Year-To-Date Operating Results For Fiscal 2000 And February Sales Results
2/3/00	Costco Wholesale Corporation Reports January Sales Results
1/6/00	Costco Wholesale Corporation Reports December Sales Results