Dividend Information

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UMC 2023 Dividend Details

For Ordinary Shares listed and traded on the TWSE

Schedule

Ex-dividend trading date

June 27, 2023

Record date

July 3, 2023

Cash dividend payment date

July 19, 2023

Contact

Stock Registration Dept., Horizon Securities

TEL : +886-2-2326-8818

http://www.honsec.com.tw

For American Depositary Shares (ADSs) listed and traded on the NYSE
Schedule
Ex-dividend trading date
June 26, 2023
Record date
June 27, 2023
Cash dividend payment date
July 26, 2023
Contact
J.P. Morgan Depositary Receipts
383 Madison Avenue, 11th Floor New York, NY10179, U.S.A. http://www.adr.com
Toll free in the USA :
1-800-990-1135
Outside the USA : 1-651-453-2128

UMC Historical Dividend Information

Year of Dividends Paid	Cash Dividends		Stock Dividends		General Stockholders' Meeting Date
Year of Dividends Paid	NT / 1000 common shares	EX Trading Date	Shares / 1000 shares	EX Trading Date	General Stockholders' Meeting Date
2023	3,600.46348	6/27/2023	-	-	5/31/2023
2022	3,000⁽³⁾	6/22/2022	-	-	5/27/2022
2021	1,599.8882	7/22/2021	-	-	7/7/2021
2020	803.95653	7/15/2020	-	-	6/10/2020
2019	589.89396	7/16/2019	-	-	6/12/2019
2018	711.64307	7/10/2018	-	-	6/12/2018
2017	500	7/11/2017	-	-	6/8/2017
2016	565.01906	7/12/2016	-	-	6/7/2016
2015	549.69673	7/14/2015	-	-	6/9/2015
2014	500⁽²⁾	7/7/2014	-	-	6/11/2014
2013	406.39654	7/8/2013	-	-	6/11/2013
2012	499.80232	7/9/2012	-	-	6/12/2012
2011	1111.6484	7/22/2011	-	-	6/15/2011
2010	500	7/8/2010	-	-	6/15/2010
2009	-	-	-	-	6/10/2009
2008	750⁽¹⁾	8/8/2008	45⁽¹⁾	8/8/2008	6/13/2008

(1)	NT$750 per 1000 shares of cash dividend is contributed from retained earnings, while 45 shares of stock dividend is composed of 8 shares from retained earnings and 37 shares from capital reserve.
(2)	NT$500 per 1000 shares of cash dividend is composed of NT$10 from retained earnings and NT$490 from capital reserve.
(3)	NT$3000 per 1000 shares of cash is distributed from tax-free capital reserve (Premium of Additional Paid in Capital )

1992 - 2007

Year of Dividends Paid	Cash Dividends		Stock Dividends		General Stockholders' Meeting Date
Year of Dividends Paid	NT / 1000 common shares	EX Trading Date	Shares / 1000 shares	EX Trading Date	General Stockholders' Meeting Date
2007	700	7/10/2007	-	-	6/11/2007
2006	409.14120	8/2/2006	10.228530	8/2/2006	6/12/2006
2005	102.9	8/2/2005	102.9261	8/2/2005	6/13/2005
2004	0	-	80	7/13/2004	6/1/2004
2003	0	-	40.1	7/15/2003	6/9/2003
2002	0	-	150	8/5/2002	6/3/2002
2001	0	-	150	7/13/2001	5/30/2001
2000	0	-	200	5/10/2000	4/7/2000
1999	0	-	150	6/22/1999	5/13/1999
1998	0	-	290	6/10/1998	5/5/1998
1997	0	-	300	7/23/1997	6/24/1997
1996	0	-	930	5/18/1996	4/11/1996
1995	500	8/1/1995	500	8/1/1995	6/21/1995
1994	600	5/17/1994	250	7/7/1994	4/22/1994
1993	1000	6/15/1993	150	8/4/1993	5/20/1993
1992	0	-	210	7/26/1992	5/7/1992

The proposal for stockholder's dividends are discussed and passed in the General Shareholders' Meeting. After approval is received from the SFC (Securities and Future Commission) of the Ministry of Finance for dividend distribution, the chairman is authorized to set a dividend record date.

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