EARNINGS NEWS

Date	Title
3/5/20	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2020 and February Sales Results
12/12/19	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2020 Operating Results
10/3/19	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2019 Operating Results
5/30/19	Costco Wholesale Corporation Reports Third Quarter and Year-To-Date Operating Results for Fiscal 2019
3/7/19	Costco Wholesale Corporation Reports Second Quarter and Year-To-Date Operating Results for Fiscal 2019 and February Sales Results
12/13/18	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2019 Operating Results
10/4/18	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2018 Operating Results
5/31/18	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2018
3/7/18	Costco Wholesale Corporation Reports Second Quarter and Year-To-Date Operating Results for Fiscal 2018 and February Sales Results
12/14/17	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2018 Operating Results
10/5/17	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2017 Operating Results and September Sales Results
5/25/17	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal Year 2017
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
12/7/16	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2017 Operating Results
9/29/16	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2016 Operating Results
5/25/16	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal Year 2016
3/2/16	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal Year 2016 and February Sales Results
12/8/15	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2016 Operating Results
9/29/15	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2015 Operating Results
5/27/15	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2015
3/5/15	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2015 and February Sales Results
12/10/14	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2015 Operating Results
10/8/14	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2014 Operating Results and September Sales Results
5/29/14	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2014
3/6/14	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2014 and February Sales Results
12/11/13	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2014 Operating Results
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
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
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
12/12/12	Q1 2013 Supplemental Information
12/12/12	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2013 Operating Results
10/10/12	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2012 Operating Results
10/10/12	Q4 2012 Supplemental Information
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
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
12/8/11	Q1 2012 Supplemental Information
12/8/11	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2012 Operating Results
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
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
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
12/8/10	Q1 2011 Supplemental Information
12/8/10	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2011 Operating Results
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
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
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)
12/10/09	Costco Wholesale Corporation Reports First Quarter Fiscal Year 2010 Operating Results
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
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
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
2/4/09	Costco Wholesale Corporation Reports January Sales Results and Comments on Earnings Outlook for Its Fiscal 2009 Second Quarter
12/11/08	Costco Wholesale Corporation Reports First Quarter Operating Results for Fiscal 2009
12/5/08	Q1 2009 Supplemental Information
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
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
5/29/08	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2008
3/5/08	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2008, and February Sales Results
12/13/07	Costco Wholesale Corporation Reports First Quarter Operating Results for Fiscal 2008
10/10/07	Costco Wholesale Corporation Reports Fourth Quarter and Fiscal Year 2007 Operating Results and September 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
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
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
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
8/30/06	Costco Wholesale Corporation Reports August Sales Results and Revises Earnings Outlook for Its Fiscal Fourth Quarter
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
3/2/06	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2006 and February Sales Results
12/8/05	Costco Wholesale Corporation Reports First Quarter Operating Results for Fiscal 2006
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
5/26/05	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2005
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
3/2/05	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2005 and February Sales Results
12/9/04	Costco Wholesale Corporation Reports First Quarter Operating Results for Fiscal 2005
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
5/27/04	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2004
3/3/04	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2004 and February Sales Results
12/9/03	Costco Wholesale Corporation Reports First Quarter Operating Results for Fiscal 2004
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
5/28/03	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2003
3/5/03	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2003 and February Sales Results
12/12/02	Costco Wholesale Corporation Reports First Quarter Operating Results for Fiscal 2003
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
5/30/02	Costco Wholesale Corporation Reports Third Quarter and Year-to-Date Operating Results for Fiscal 2002
3/5/02	Costco Wholesale Corporation Reports Second Quarter and Year-to-date Operating Results for Fiscal 2002 and February Sales Results
12/13/01	Costco Wholesale Corporation Reports First Quarter Fiscal 2002 Operating Results
10/11/01	Costco Wholesale Corporation Releases Fourth Quarter and Fiscal Year 2001 Results of Operations and September Sales Results
5/31/01	Costco Wholesale Corporation Reports Third Quarter and Year-to-date Operating Results for Fiscal 2001
4/23/01	Costco Wholesale Corporation Revises Earnings Outlook for the Remainder of Its Fiscal Year 2001
3/8/01	Costco Wholesale Corporation Reports Second Quarter and Year-to-Date Operating Results for Fiscal 2001 and February 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
10/12/00	Costco Wholesale Corporation Releases Fourth Quarter and Fiscal Year 2000 Results of Operations
5/24/00	Costco Wholesale Corporation Reports Third Quarter and Year-to-date Operating Results for Fiscal 2000 and Comments On Future Earnings Outlook
3/2/00	Costco Wholesale Corporation Reports Second Quarter And Year-To-Date Operating Results For Fiscal 2000 And February Sales Results
12/9/99	Costco Wholesale Corporation Reports First Quarter Fiscal 2000 Operating Results And Announces Upcoming 2-For-1 Stock Split
10/7/99	Costco Wholesale Corporation Releases Fourth Quarter And Fiscal Year 1999 Results Of Operations And September Sales Results
5/27/99	Costco Companies, Inc. Reports Third Quarter and Year-To-Date Operating Results for Fiscal 1999
3/4/99	Costco Companies, Inc. Reports Second Quarter and Year-to-Date Operating Results for Fiscal 1999 and February Sales Results
12/17/98	Costco Companies, Inc. Reports First Quarter Fiscal 1999 Operating Results
10/8/98	Costco Companies, Inc. Releases Fourth Quarter and Fiscal Year 1998 Results of Operations and September Sales Results
5/28/98	Costco Companies, Inc. Announces Fiscal 1998 Third Quarter And Year-To-Date Operating Results; And The Signing Of A Lease In Fukuoka, Japan
3/12/98	Costco Companies, Inc. Announces Second Quarter And Year-To-Date Operating Results For Fiscal 1998
12/18/97	Costco Companies, Inc. Reports First Quarter Fiscal 1998 Operating Results
10/14/97	Costco Companies, Inc. Releases Fourth Quarter And Fiscal Year 1997 Results Of Operations