Subsidiary has participated in private placement

Subject: Subsidiary Hyield Venture Capital Co.,Ltd. has participated in private placement issued by Giga Solar Material Corporation by way of private placement

Contents:

1.Name and nature of the underlying security (if preferred shares, the terms and conditions of issuance shall also be indicated, e.g., dividend yield):GIGA SOLAR MATERIALS CORPORATION; Common shares

2.Date of occurrence of the event:2021/06/15

3.No., unit price, and monetary amount of the transaction:

Number: 8,000,000 common shares

Unit price: NTD124.4/per share

Monetary amount of the transaction: NTD 995,200,000

4.Counterparty to the trade and its relationship to the company (if the trading counterparty is a natural person and not a related party of the company, its name is not required to be disclosed):

Counterparty to the trade: New shares issued by GIGA SOLAR MATERIALS

CORPORATION

Counterparty's relationship to the company: the counterparty is not a related party of Hyield Venture Capital Co., Ltd

5.Terms of delivery or payment (including payment period and monetary amount), restrictive covenants in the contract, and other important stipulations:

The shares issued by GIGA SOLAR MATERIALS CORPORATION and acquired by Hyield Venture Capital Co., Ltd by way of private placement shall not be transferred to others within three years of the closing date

6.The manner in which the current transaction was decided, the reference basis for the decision on price, and the decision-making unit: The Board of Directors

7.Net worth per share of company of the underlying securities acquired or disposed of:NTD83.9

8.The discrepancy between the reference price of private placement company and the transaction amount per share is 20 percent or more: Yes

9.Current cumulative no., amount, and shareholding ratio of the securities being traded (including the current transaction) as of the date of occurrence and status of any restriction of rights (e.g.,pledges):

Cumulative no.: 8,000,000 shares

Amount: NTD 995,200,000

Shareholding ratio of the securities being traded (including the current transaction) as of the date of occurrence: 10.54%

Status of any restriction of rights (e.g.,pledges): subject to Article 43-8 of ROC Securities Act

10.Privately placed securities (including the current transaction) as a percentage of total assets of the company and shareholder's equity of the parent company on the latest financial statements, and the operating capital on the latest financial statements as of the date of occurrence:

ratio to total asset:0.11%

ratio to total shareholder's equity:0.28%

operating capital: -125,205,791 thousand

11.Broker and broker's fee: None

12.Concrete purpose or use of the acquisition or disposition: Long term investment

13.Whether the directors expressed any objection to the present transaction: No

14.Whether the trading counterparty is a related party: No

15.Date of approval by board of directors: Na

16.Recognition date by supervisors or approval date by audit committee: Na

17.Whether the CPA issued an opinion on the unreasonableness of the current transaction: None

18.Name of the CPA firm: ATAX Accounting Firm

19.Name of the CPA: Danny Cheng

20.License no.of the CPA:Financial-Supervisory-Securities-Corporate-5720

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