1.Name and nature of the subject matter (e.g.land located at

  Sublot XX, Lot XX, North District, Taichung City):

 Office building at Hsinchu Science Park

2.Date of the occurrence of the event:2015/05/28

3.Transaction volume (e.g.XX square meters, equivalent to XX p'ing),

  unit price, total transaction price:

 Building area：55,114.55 square meters, equivalent to 16,672.15 Ping

 Total transaction amount: NT$570,000 thousand

4.Counterparty to the trade and its relationship with the company (if

  the trading counterpart is a natural person and is not an actual

  related

  party of the Company, the name of the trading counterpart is not

  required to be disclosed):

 ProMOS Technologies Inc.

 Counterparty to the trade and its relationship with the company:None.

5.Where the counterpart to the trade is an actual related party, a

  public announcement shall also include the reason for choosing the

  related party as trading counterpart and the identity of the

  previous owner (including its relationship with the company and

  the trading counterpart), price of transfer and the date of

  acquisition:NA

6.Where a person who owned the property within the past five years has

  been an actual related person of the company, a public announcement

  shall also include the dates and prices of acquisition and disposal

  by the related person and the person’s relationship to the company

  at those times:NA

7.Anticipated loss or profit from the disposal (not applicable in cases

  of acquisition of assets) (where originally deferred, the status or

  recognition shall be stated and explained):NA

8.Terms of delivery or payment (including payment period and monetary

  amount):according to the agreement.

9.The manner of deciding on this transaction (such as tender invitation

 , price comparison, or price negotiation), the reference basis for the

  decision on price and the decision-making department:

 The manner in which the transaction was decided:

 to tender invitation and price negotiation

 The reference basis for the decision on price:

 Appraisal report price and market price

 The decision-making department:Board of Directors.

10.Name of the professional appraisal institution and its appraisal

   amount:

  China Real Estate Appraiser Firm :NT$ 906,651 thousand

11.Reason for any significant discrepancy with the transaction amount,

   and opinion of the certifying CPA:NA

12.Is the appraisal report price a limited price or specific price?:No

13.Has an appraisal report not yet been obtained?:No

14.Reason an appraisal report has not yet been obtained:NA

15.Broker and broker's fee:NA

16.Concrete purpose or use of the acquisition or disposition:

  For the purpose of long-term development , operating efficiency and

  cost reduction , the company will use the building as group centre.

17.Do the directors have any objection to the present transaction?:No

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