Supplementary announcement dated 25th June 2016

Subject: Acer to supplement the announcement dated 25th June 2016 - the Company invests Starbreeze Convertible Bonds

Date of events:2016/06/24

Contents:

1.Name and nature of the subject matter (if preferred shares,the terms and conditions of issuance shall also be indicated, e.g.dividend yield):

Starbreeze Convertible Bonds

2.Date of occurrence of the event:2016/06/24

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

Total amount is equivalent to US$ 9 million

4.Counterpart to the trade and its relationship to the Company(if the trading counterpart is a natural person and furthermore is not an actual related party of the Company, the name of the trading counterpart is not required to be disclosed):

Starbreeze AB, it is not a related party of the Company

5.Where the counterpart to the trade is an actual related party,a public announcement shall also be made of 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 date of acquisition:Not applicable

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:Not applicable

7.Matters related to the creditor's rights currently being disposed of (including types of collateral of the disposed creditor's rights;if the creditor's rights are creditor's rights toward a related person, the name of the related person and the book amount of the creditor's rights toward such related person currently being disposed of must also be announced):Not applicable

8.Anticipated profit or loss from the disposal (not applicable in cases of acquisition of securities) (where originally deferred, the status or recognition shall be stated and explained):Not applicable

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

Other key terms upon mutual consent:

(1)The terms of this Convertible Bonds is about 3 years and will expire on 31st August, 2019;

(2)Conversion Price of this Convertible Bonds is SEK 17.82 per Starbreeze B-share;

(3)Annual fixed interest of 1%; the loan will be repaid from 30th September 2018 with agreed quarterly payments.

10.The manner in which the current transaction was decided, the reference basis for the decision on price, and the decision-making department:

The Company Board of Directors, and the Chairman has been authorized by the BOD in more detail.

11.Net worth per share of company underlying securities acquired or disposed of: Not applicable

12.The discrepancy between the reference price of private placement and the transaction amount per share is 20 percent or more of the transaction amount: Not applicable

13.Current cumulative volume, amount, and shareholding percentage of holdings of the security being traded (including the current trade) and status of any restriction of rights (e.g. pledges): Total amount is equivalent to US$ 9 million

14.Current ratio of private placement of securities (including the current trade) to the total assets and shareholder's equity as shown in the most recent financial statement and the operating capital as shown in the most recent financial statement:

The ratio of this investment to the total assets is 0.24%, the ratio of this investment to the shareholder's equity is 0.50%, and the operating capital as shown in the most recent financial statement is NTD(10,071,521)K.

15.Broker and broker's fee:None

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

17.Do the directors have any objection to the present transaction?:None

18.The trading counterparty is a related party:No

19.Approval date by board of directors:2016/06/24

20.Recognition date by supervisors or submission date by audti committee:Not applicable

21.Has the CPA issued an opinion on the unreasonableness of the price of the current transaction?:None

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