Hung Ching Development & Construction Co. Ltd. Announces that the company intends to sign a contract for the joint construction and allocation of housing units with ASE Inc., Chung-Li Branch. Major content of the contract (including total contract amount, anticipated monetary amount of participation in the investment, and start and end dates of the contract), restrictive covenants, and other important terms and conditions: Contract and estimated investment amount: about TWD 3 billion¡F Period of contract: from April 21, 2022 (expected contract signing date) to the construction completion date of Chung-Li branch second park plant; Material terms: (1)The subsidiary, ASE Chung-Li Branch provides land located in Chung-Li of approximately 2,936.97 p¡¦ing and Hung Ching Co.

provides funds to construct plant which will be 9 floors above ground and 3 floors below ground (floor space approximately 19,343.54 p¡¦ing) with Joint construction and allocation of housing units method. The two parties agreed to use the value of the joint construction rights distribution ratios (¡§joint construction distribution ratio¡¨) of the land and building costs, referring to the valuation reports issued by two appraisal firms, and agreed to use the average value of 30.8% as the joint construction distribution ratio for ASE Chung-Li Branch. Hung Ching Co.

is responsible for the application and operation procedures related to urban renewal. If the gap in the total floor space of the development is more than 3% (i.e., increase or decrease of more than 580.31 p¡¦ing) when the use license is obtained, the two parties will renegotiate the joint construction distribution ratio. Because the construction costs during covid-19 outbreak are difficult to be accurately estimated, Hung Ching Co.

will provide the actual amount of the construction costs after the completion of the Chung-Li branch second park plant. The original appraisal firms shall then recalculate the joint construction distribution ratio. If the gap between result of the recalculation and the above agreed distribution ratio is more than 5% (i.e., increase or decrease of more than 1.54 percentage points), the two parties will renegotiate the joint construction distribution ratio.After the construction completion of Chung-Li branch second park plant, ASE Chung-Li Branch will be entitled to have the priority to purchase the property obtained by Hung Ching Co.

based on joint construction distribution ratio.