To announce acquired 4G mobile broadband 2 x 20MHz

Subject:To announce acquired 4G mobile broadband 2 x 20MHz bandwidth business on behalf of the Company's subsidiary, Ambit Microsystems Corp.

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):

A3 Band: Uplink 723~733MHz；Downlink 778~788MHZ

B3 Band: Uplink 905~915MHz；Downlink 950~960MHZ

2.Date of occurrence of the event:2013/10/30~2013/10/30

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

A3 Band: NT$6.81 billion; B3 Band: NT$2.37 billion; Total NT$9.18 billion

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):

National Communications Commission;No

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

The base price of NT$6.7 billion should be paid within one month since the bid taking date, and the remaining amount can be installment payments, or paid in full.

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

Bid taking via the "Procedure of Mobile Broadband Business Bidding Process" proposed by National Communications Commission.

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

Entering to 4G Mobile Broadband Business