Subject: Subsidiary, Hyield Venture Capital Co., Ltd. obtaining SolidEdge Solution Inc. Shares

Contents:

1.Name and nature of the underlying assets (if preferred shares, the terms and conditions of issuance shall also be indicated, e.g., dividend yield, etc.): SolidEdge Solution Inc.; common shares

2.Date of occurrence of the event:2024/09/09~2024/12/30

3.Amount, unit price, and total monetary amount of the transaction:

40,230,000 shares at NTD 10 each per ;Total amount equals NTD 402,300,000

(Solidedge Solution Inc. will reserve 2,670,000 shares for employee subscription in accordance with the law. If any employee waives their subscription rights, Hong Yang Venture Capital will fully subscribe to the entire unclaimed portion as a specific subscriber.)

4.Trading counterparty and its relationship with the Company (if the trading counterparty is a natural person and furthermore is not a related party of the Company, the name of the trading counterparty is not required to be disclosed):Cash investment is not applied; Parent and subsidiary companies

5.Where the trading counterparty is a related party, announcement shall also be made of the reason for choosing the related party as trading counterparty and the identity of the previous owner, its relationship with the Company and the trading counterparty, and the previous date and monetary amount of transfer: Cash increase; Na

6.Where an owner of the underlying assets within the past five years has been a related party of the Company, the announcement shall also include the date and price of acquisition and disposal by the related party, and its relationship with the Company at the time of the transaction: Na

7.Matters related to the current disposal of creditors' rights (including ypes of collaterals of the disposed creditor's rights; if creditor's

rights over a related party, announcement shall be made of the name of the elated party and the book amount of the creditor's rights, currently being disposed of, over such related party): Na

8.Profit or loss from the disposal (not applicable in cases of acquisition of securities) (those with deferral should provide a table explaining recognition): Na

9.Terms of delivery or payment (including payment period and monetary amount), restrictive covenants in the contract, and other important terms and conditions: None

10.The manner of deciding on this transaction (such as invitation to tender, rice comparison, or price negotiation), the reference basis for the decision on price, and the decision-making unit: Board of Directors

11.Net worth per share of the Company's underlying securities acquired or disposed of: NA

12.Cumulative no.of shares held (including the current transaction), their monetary amount, shareholding percentage, and status of any restriction of rights (e.g., pledges), as of the present moment:

Cumulative no. of shares held:117,530,000 shares

Cumulative monetary amount held: NTD 1,175,300,000

Shareholding percentage:97.78%

Restriction of rights: None

(If Hong Yang Venture Capital subscribes as a specific subscriber, the 2,670,000 shares waived by employees will be fully subscribed by Hong Yang Venture Capital.

Cumulative holdings: 120,200,000 shares

Cumulative holding amount: NT$1,202,000,000

Shareholding ratio: 100%)

13.Current ratio of securities investment (including the current trade, as listed in article 3 of Regulations Governing the Acquisition and Disposal of Assets by Public Companies) to the total assets and equity attributable to owners of the parent as shown in the most recent financial statement and working capital as shown in the most recent financial statement as of the present:

Ratio to total assets:0.54% ;

Ratio to owners'equity:1.16% ;

Operating Capital: NTD-145,929,827,000

14.Broker and broker's fee: None

15.Concrete purpose or use of the acquisition or disposal: Long Term Investment

16.Any dissenting opinions of directors to the present transaction: None

17.Whether the counterparty of the current transaction is a related party: Yes

18.Date of the board of directors resolution:2024/09/09~2024/12/30

19.Date of ratification by supervisors or approval by the Audit Committee:2024/09/09~2024/12/30

20.Whether the CPA issued an unreasonable opinion regarding the current transaction: NA

21.Name of the CPA firm: NA

22.Name of the CPA:NA

23.Practice certificate number of the CPA:NA

24.Whether the transaction involved in change of business model: No

25.Details on change of business model: Na

26.Details on transactions with the counterparty for the past year and the expected coming year: None

27.Source of funds: self-owned fund

28.Any other matters that need to be specified: None