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TPEX and Industrial Sub-Indices

This series of indices is calculated by using the common stocks currently traded on the TPEx as the constituents and the number of issued shares as the price weights. Any changes of the above shall be adjusted to the base value to maintain the continuity of the indices. The base value is not adjusted for cash dividends, except for Total Return Index. Therefore, a fall will be observed in the market value and index on ex-dividend dates for TPEx listed stocks.

1. Base and Constituents：

(1) TPEX：

1.Base: October 30, 1995 and the base index is set at 100 points.

2.Constituents: Common stocks of TPEx listed companies that are not managed stocks or Emerging Stocks and meet the listing time requirement.

(2) Electronics Sub-Index：

1.Base: May 31, 1996 and the base index is set at 100 points.

2.Constituents: Common stocks of TPEx listed companies that meet the listing time requirement and belong to any one of the sectors: semiconductor, computer and peripheral equipment, optoelectronic, communications and internet, electronic parts and components, electronic products distribution, information service, and other electronics.

(3) Sector indices：

Sector	Base	Base Point	Profile
Iron and Steel	October 30th, 1997	100	The TPEx follows the industry definitions under the Taipei Exchange Directions for Classifying and Adjusting the Industry Categories of TPEx Listed Companies. The constituents in the Industrial Sub-Indices are common stocks of TPEx listed companies that meet the listing time requirement and belong to respective sectors.
Textiles, Electric Machinery, Chemical, Building Materials and Construction, Shipping and Transportation	May 29th, 1998
Tourism and Hospitality	May 31st, 2001
Biotechnology and Medical Care, Semiconductors, Computer and Peripheral Equipment, Optoelectronics, Communications and Internet, Electronic Parts/Components, Electronic Products Distribution, Information Service	June 29th, 2007
Cultural and Creative	January 3rd, 2014
Other Electronics, Other	December 30th, 2016
Green Energy and Environmental Services, Digital and Cloud Services, Household	June 30th, 2023

2. Total return index：

The base value of the total return index will be adjusted on ex-dividend dates when listed companies distribute cash dividends. As a result the index will not fall due to ex-dividend and will reflect the returns including cash dividends.

Sector	Base	Base Point	Launch Date
TPEX	December 30th, 2005	133.34	January 2nd, 2006.
Iron and Steel, Textiles, Electric Machinery, Chemical, Building Materials and Construction, Shipping and Transportation, Tourism and Hospitality, Biotechnology and Medical Care, Semiconductors, Computer and Peripheral Equipment, Optoelectronics, Communications and Internet, Electronic Parts/Components, Electronic Products Distribution, Information Service, Cultural and Creative	December 31st, 2015	The base values are identical to the respective closing price indices on that day.	October 31st, 2016.
Other Electronics, Other	December 30th, 2016	100	May 8th,2017
Green Energy and Environmental Services, Digital and Cloud Services, Household	June 30th, 2023	100	July 3rd, 2023

3. Terminated Indices:

Date	Terminated Indices
July 2nd, 2007	the Financial and Insurance Index, the Securities Index, theWeighted Index Excluding Financial Stock Issues, and Electrical Equipment and Cables Index
January 3rd, 2022	On-line Games Index

4.Index calculation and disclosure frequency：

This series of indices are calculated at the latest trading prices of the constituents and the real time indices are announced once every 5 seconds between 9:00 and 13:30 on every trading day, and the closing indices are only calculated once after closing. Total return index is only calculated once at the end of each trading day.