Exhibit 15.4

ENFORCEMENT DECREE OF THE TELECOMMUNICATIONS BUSINESS ACT

As amended by Enforcement
Decree No. 22616 of Jan. 4, 2011, effective Jan. 4, 2011

Chapter 1. General Provisions

Article 1 (Purpose)

The
purpose of this Decree is to provide for matters delegated under the Telecommunications Business Act and matters necessary for its enforcement.

Article 2 (Contents of Universal Service)

(1) Pursuant to Article 4(3) of the Telecommunications Business Act (the Act), the contents of universal services shall be as follows. <Amended by Enforcement Decree No. 22616
Oct. 1, 2010>

1. Wire telephone services;

2. Telephone services for emergency communications; and

3. Telephone services of
which fees are reduced or exempted for the disabled and the low income class.

(2) The detailed contents of universal services
under paragraph (1) shall be as follows. <Amended by Enforcement Decree No. 21060 Oct. 1, 2008; No. 22616 Oct. 1, 2010>



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1. Wire telephone services are telephone services within an area publicly notified by the
Korea Communications Commission based on methods and conditions of use (the Calling Area), falling under any one of the following:



| | (a) | a local telephone service which is a telephone service (excluding, throughout this Enforcement Decree, the island communication service referred to in (c) below)
enabling communication through subscription telephones;
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (b) | a local public telephone service which is a telephone service enabling communication through public telephones; or
| | --- | ------------------------------------------------------------------------------------------------------------------



| | (c) | an island communication service which is a telephone service enabling radio communication between shore and an island or between islands.
| | --- | -----------------------------------------------------------------------------------------------------------------------------------------

2. Telephone services for emergency communications are telephone services necessary for maintaining social order and securing human life,
falling under any of the following:



| | (a) | a special telephone number service, among the key communications services, publicly notified by the Korea Communications Commission; or
| | --- | ---------------------------------------------------------------------------------------------------------------------------------------



| | (b) | a wireless telephone service for vessels which is a telephone service, among the key communications services, enabling communication between shore and a vessel or
between vessels.
| | --- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

3. Telephone services of which fees are reduced or exempted for the disabled and the low
income class are telephone services offered to the disabled and the low income class for the purpose of improving social welfare, falling under any of the following:



| | (a) | a local telephone service and a telephone service between the Calling Areas (the Long Distance Telephone Service);
| | --- | --------------------------------------------------------------------------------------------------------------------



| | (b) | a directory assistant service which is a service incidental to a local telephone service and the Long Distance Telephone Service;
| | --- | ---------------------------------------------------------------------------------------------------------------------------------



| | (c) | a mobile telephone service, a personal communication service, IMT-2000 service or a wireless call service among the key communications services; or
| | --- | ---------------------------------------------------------------------------------------------------------------------------------------------------



| | (d) | an Internet subscriber connection service.
| | --- | ------------------------------------------



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(3) Any of the following shall be entitled to the telephone services of which fees are
reduced or exempted pursuant to subparagraph 3 of paragraph (2); provided, however, that the telephone services for which fees are reduced or exempt pursuant to subparagraph 8 below shall be limited to the mobile telephone service, the personal
communication service and the IMT-2000 service < Amended by Enforcement Decree No. 21060, Oct. 1, 2008; No. 22075, Mar. 15, 2010; No. 22616 Oct. 1, 2010>:

1. the disabled or welfare institutions or groups for the disabled under the Welfare of Disabled Persons Act;

2. special schools under the Elementary and Secondary Education Act;

3. child
welfare institutions under the Child Welfare Act;

4. among the recipients of assistance under the National Basic Livelihood
Security Act (the Recipients of Assistance), persons falling under any of the following (or households composed of such persons in the event of a local telephone service, the Long Distance Telephone Service or an Internet
subscriber connection service):



| | (a) | the Recipients of Assistance who are either under 18 or 65 or older; except that for the mobile telephone service and the IMT-2000 service, the Recipients of Assistance
including those who are 18 or older and below 65.
| | --- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (b) | persons with severe disabilities under Article 2.2 of the Employment Promotion and Vocational Rehabilitation of Disabled Persons Act;
| | --- | -------------------------------------------------------------------------------------------------------------------------------------



| | (c) | persons in need of a treatment or recuperation due to a disease, an injury or an aftereffect of a disease or an injury as so determined by the head of relevant local
municipalities through the use of labor aptitude evaluation under Article 7(1) 2 of the Enforcement Decree of the National Basic Livelihood Security Act; or
| | --- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (d) | persons deemed unable to work by the Minister for Health and Welfare under Article 7 (1) 5 of the Enforcement Decree of the National Basic Livelihood Security Act.
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------



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5. the Korean Association of Wounded Soldiers and Police Officials or the Association
Commemorating the April 19 Democratic Revolution under the Act on Establishment of Organizations for Persons, etc. of Distinguished Services to the State;

6. soldiers or policemen wounded in action, soldiers or policemen wounded on duty, wounded activists of the April 19 Revolution, public officials wounded on duty, wounded special contributor to
national and social development or wounded anticommunist captive under the Act on Honorable Treatment and Support of Persons, etc. of Distinguished Services to the State; or

7. wounded activists of the May 18 Democratization Movement among the persons of distinguished services to the May 18 democratization movement under the Act on Honorable Treatment of Persons of
Distinguished Services to the May 18 Democratization Movement.

8. members of a family having at least one of its members
fitting any of the descriptions below qualifying as a member of the next needy class under Article 2(11) of the National Basic Livelihood Security Act; and the number of family members eligible for fee reduction or exemption for such family shall be
determined by the Korea Communications Commission:



| | (a) | a person taking part in the project required for self-support pursuant to Article 9(5) of the National Basic Livelihood Security Act;
| | --- | -------------------------------------------------------------------------------------------------------------------------------------



| | (b) | a person having a rare and serious disease as described item (d) of section 3 in Table 2 and is eligible for reduction in his or her share of fees;
| | --- | ---------------------------------------------------------------------------------------------------------------------------------------------------



| | (c) | a person receiving medical allowances pursuant to Article 2 of the Medical Allowance Act;
| | --- | -----------------------------------------------------------------------------------------



| | (d) | a person receiving necessary expenses for infant care pursuant to Article 34(1) of the Infant Care Act;
| | --- | -------------------------------------------------------------------------------------------------------



| | (e) | a person receiving necessary expenses for early childhood education pursuant to Article 26(1) of the Early Childhood Education Act;
| | --- | -----------------------------------------------------------------------------------------------------------------------------------



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| | (f) | a person receiving disability allowances pursuant to Article 49 of the Welfare of the Disabled Persons Act and a person receiving allowances for raising and protecting
disabled children pursuant to Article 50(1) of the same Act; and
| | --- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (g) | a person requiring protection under Article 5 of the Single-Parent Family Assistance Act, including a person who has ratio of recognized income to minimum living
expense of 130 or below to 100.
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Article 3 (Designation of Telecommunications Business Operator who Provides Universal Services)

(1) If the Korea Communications Commission intends to designate a telecommunications business operator who provides universal
services (the Business Operator Providing Universal Services) under Article 4 (4) of the Act, it can do so after taking into consideration such operators opinion. <Amended by Enforcement Decree No. 22616 Oct. 1,
2010>

(2) A telecommunications business operator who is designated as a Business Operator Providing Universal Services
under paragraph (1) shall submit to the Korea Communications Commission, every year by no later than the last day of the year preceding the provision of the relevant services, a written plan for provision of universal services which includes
the method of, and the expenditures for, providing the relevant services.

Article 4 (Compensation for Losses Incurred through Provision of
Universal Services)

(1) The Korea Communications Commission may have the telecommunications business operators who are not
Business Operators Providing Universal Services bear part of the expenses for compensating whole or part of the losses incurred through a provision of universal services by Business Operators Providing Universal Services (the Compensation
For Losses Incurred Through Universal Services) in proportion to their respective sales.



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(2) A Business Operator Providing Universal Services who intends to receive the Compensation
For Losses Incurred Through Universal Services shall submit a report on the actual results of a provision of universal services, including expenditures for, and incomes and losses from, the provision thereof, to the Korea Communications Commission
within three months after the expiration of the relevant fiscal year.

(3) The Korea Communications Commission may, if deemed
necessary for the verification of the report on the actual results of a provision of universal services submitted pursuant to paragraph (2), consult a professional institution to examine it.

Article 5 (Universal Services Entitled To Compensation For Losses Incurred Through Universal Services)

(1) The scope of universal services entitled to the Compensation For Losses Incurred Through Universal Services shall be any of the following:

1. among local telephone services pursuant to Article 2(2)1(a) hereof, a local telephone service offered in areas where, as a result of
provision of such service, the expenditures (meaning, here as well as in subparagraph 2 and Article 6(1) hereof, the expenses calculated in accordance with the method publicly notified by the Korea Communications Commission considering such factors
as the population density, number of lines and efficiency of managing communication lines) exceed the incomes (including, here as well as in subparagraph 2 and Article 6(1) hereof, any indirect advantages such as improved brand value and user
preference as a result of provision of universal services);

2. among local public telephone services pursuant to Article
2(2)1(b) hereof, a local public telephone service offered in areas where, as a result of provision of such service, the expenditures exceed the incomes;

3. an island communication service pursuant to Article 2(2)1(c) hereof; or

4. a
wireless telephone service for vessels pursuant to Article 2(2)2(b) hereof.



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(2) In Article 4 (2) 1 of the Act, the telecommunications business operators
prescribed under the Enforcement Decree of the Act means value-added communications business operators or regional wireless call operators. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(3) In Article 4 (2) 2 of the Act, the amount prescribed under the Enforcement Decree of the Act means 30 billion won.
<Newly Inserted by Act No. 22616 Oct. 1, 2010>

Article 6 (Methods for Computing the Compensation For Losses Incurred Through
Universal Services)

(1) Losses incurred through provision of the universal services prescribed under each of the paragraphs
in Article 5(1) hereof shall be the amount of expenses of providing the relevant service less the relevant income.

(2) The
provisional Compensation For Losses Incurred Through Universal Services shall be computed by multiplying the amount obtained under paragraph (1) and the rate of compensation for losses determined and publicly notified by the Korea
Communications Commission; provided that, with respect to a wireless telephone service for vessels under Article 5(1)4 hereof, the target amount for efficient management determined and publicly notified by the Korea Communications Commission
shall be the provisional Compensation For Losses Incurred Through Universal Services.

(3) The Compensation For Losses
Incurred Through Universal Services shall be the amount of the provisional Compensation For Losses Incurred Through Universal Services computed pursuant to paragraph (2) subtracted by each of the amounts described below:

1. the amount paid by telecommunications business operators providing any of the universal services prescribed under each of the
subparagraphs of Article 5(1) hereof based on their sales from telecommunications services other than the relevant universal service provided (excluding value-added communications services); and



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2. the amount computed by the Korea Communications Commission considering the payment
capacity of telecommunications business operators paying for the Compensation For Losses Incurred Through Universal Services (the Business Operators Paying For Losses).

(4) The Business Operators Paying For Losses shall pay for the Compensation For Losses Incurred Through Universal Services computed
pursuant to paragraph (3) in proportion to their respective sales relating to telecommunications services (excluding value-added communications services).

(5) The Korea Communications Commission shall determine and announce all other necessary details with respect to the rates by which telephone services fees are reduced or exempted for the disabled and the
low income class and the methods for computing the Compensation For Losses Incurred Through Universal Services.

Chapter 2.
Telecommunications Business

Article 7

< Deleted by Enforcement Decree No. 22616 Oct. 1, 2010>

Article 8 (Scope of Premises)

The premises determined under the Enforcement Decree of the Act in Article 5(3)2 of the Act means any of the
following: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. a building;

2. a site (limited to that owned by one person or owned through common ownership) and any building located on such site;

3. two or more buildings possessed by one person and the site on which such buildings are located, limited to those buildings the
distance between which is not more than 500 meters; or



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4. any buildings or sites adjacent to the buildings or sites prescribed under paragraphs 1-3
and publicly notified by the Korea Communications Commission.

Article 9 (Permit Application, etc.)

(1) A person who wishes to obtain a permit under Article 6(1) of the Act may make an application in the name of the representative of a
corporation or the representative, such as a shareholder, etc., of a corporation to be established. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(2) The premises determined under the Enforcement Decree of the Act in Article 6(2)4 of the Act means the following <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. matters concerning the suitability of investment plan in advancing telecommunication facilities;

2. matters concerning the stability and expertise of supply plan for key communication services; and

3. matters similar to paragraph 1 or 2 as determined and announced by the Korea Communications Commission.

Article 10 (Documents to be Attached to Permit Application)

(1) A person who wishes to obtain a permit for a key communications business under Article 6(1) of the Act shall submit to the Korea Communications Commission a key communications business permit
application with each of the following documentation attached thereto:

1. articles of incorporation of the corporation
(including, throughout this Article 10, the corporation to be incorporated);



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2. shareholder register, or documentation relating to ownership of shares, etc. by
shareholders, etc., of the corporation; and

3. a business proposal.

(2) The Korea Communications Commission receiving a permit application pursuant to paragraph (1) shall verify the commercial
registry extracts by using the public administrative information made available under Article 36(1) of the E-Government Act <Amended by Enforcement Decree No. 22151 of May. 4, 2010; No. 22616 Oct. 1, 2010>

Article 11

<Deleted by
Enforcement Decree No. 22616 Oct. 1, 2010>

Article 12 (Issuance of License)

(1) When permitting a key communications business under Article 6(1) of the Act or

LOGO under Article 16(1) of the Act, the Korea Communications Commission shall issue a key communications business operators license upon making recordation of each of the following in a license registry of key
communications business operators: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. number and date of license;

2. title or trade name of the business and name of the representative;

3. the
areas where the telecommunications service is offered;

4. location of the principal office;

5. capital or asset valuation amount;



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6. details of major business facilities and equipment and the locations where such
facilities and equipment are installed;

7. details concerning technical personnel; and

8. any conditions upon which the license is issued.

(2) A key communications business operator whose license, issued pursuant to paragraph (1), is either lost or worn out to the extent it can no longer be used may apply for reissuance of the license to the
Korea Communications Commission by writing the reason for such loss or damage in its application thereto.

Article 13 (Criteria for
Examination of Public Interest Aspect)

(1) The term public interests as prescribed under the Enforcement Decree of the
Act in parts other than each subparagraph of Article 10 (1) of the Act means the maintenance of national security, public peace and social order. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(2) The term important management matters, including the key communication providers appointment of officer, transfer or
business, etc., prescribed under the Enforcement Decree of the Act in Article 10(1)3 of the Act means the matters falling under each of the following subparagraphs:

1. appointment and dismissal of the representative director of a key communications business operator, or appointment and dismissal of one third or more of the officers;

2. transfer and takeover of a key communications business; and

3. entrance by a key communications business operator into a new key communications business.

(3) The term case prescribed under the Enforcement Decree of the Act in Article 10(1)4 of the Act means any of the following. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>



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1. the case where a de facto change is made in the management right of a key communications
business operator by an agreement of shareholders who are not the largest shareholder of such key communications business operator to jointly exercise voting rights; or

2. the control of the holding company (as that term is defined under Article 2(1)2 of the Monopoly Regulation and Fair Trade Act) of the key communication provider has actually changed hands.

Article 14 (Scope of Key Communications Business Operators subject to Examination of Public Interest Aspect)

The scope of key communications business operators who must file a report or who may
request a screening pursuant to Article 10 of the Act shall be any of the following: <Amended by Enforcement Decree No. 22605 Oct. 1, 2010>

LOGO 2011. 1. 24]]

1. a key communications business operator managing or supervising a significant communication under Article
64(1) hereof;

2. a key communications business operator who owns an artificial satellite with a space
station under Article 29 Subparagraph 30 of the Enforcement Decree of the Radio Waves Act; or

3. a key communications
business operator determined and publicly notified by the Korea Communications Commission under Article 39(3) hereof.

Article 15 (Procedures
for Examination of Public Interest Aspect)

(1) A person who wishes to file a report or request a screening pursuant to
Article 10(2) or 10(3) of the Act shall submit to the Korea Communications Commission documentation indicating each of the following:



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1. name and address of the person filing a report or requesting a screening (in the case of
a corporation, the name and address of (i) such corporation and (ii) the representative of such corporation);

2.
purpose of, and reason for, the report or screening request; and

3. details of any of the facts falling under each of the
subparagraphs of Article 10(1) of the Act.

(2) The Korea Communications Commission may, where it deems necessary, request for
the documentation already submitted to it to be supplemented within a period reasonably fixed.

(3) Except under special
circumstances, with respect to any matter the Korea Communications Commission referred to the public interest aspect examination committee, the public interest aspect examination committee shall notify the Korea Communications Commission of the
result of its screening within 3 months of the date of such referral. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(4) The Korea Communications Commission shall notify the person filing a report or requesting a screening of the result of examination of public interest aspect under paragraph (3).

Article 16 (Composition etc. of Public Interest Aspect Examination Committee)

(1) The term related central administrative agencies prescribed under the Enforcement Decree of the Act in parts other than each subparagraph of Article 11(2) of the Act means the agencies
falling under each of the following: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. the Ministry of
Strategy and Finance;

2. the Ministry of Foreign Affairs and Trade;

3. the Ministry of Justice;



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4. the Ministry of National Defense;

5. the Ministry of Public Administration and Security; and

6. the Ministry of Knowledge Economy.

(2) The term of office of the members
shall be two years and consecutive appointment may be permitted; provided that, the term of office of the members who are public officials shall be the period of service in their positions as public officials.

Article 17 (Operation etc. of Public Interest Aspect Examination Committee)

(1) The chairman of the Public Interest Aspect Examination Committee shall represent the Public Interest Aspect Examination Committee and exercise an overall control of its affairs.

(2) If the chairman is inevitably unable to perform his duties, a member previously appointed by the chairman shall act on her or his
behalf.

(3) The chairman shall convene and preside over a meeting of the Public Interest Aspect Examination Committee.

(4) Deliberation of a meeting of the Public Interest Aspect Examination Committee shall start by the attendance of a majority
of all incumbent members, and its resolution shall require the consent of a majority of those present.

(5) The Public
Interest Aspect Examination Committee shall have one secretary general in order to deal with its affairs, but the secretary general shall be appointed by the chairman among the public officials belonging to the Korea Communications Commission.

(6) Any matters necessary for the operation of the Public Interest Aspect Examination Committee shall be determined by the
chairman through a resolution of the Public Interest Aspect Examination Committee.



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Article 18 (Imposition and Payment etc. of Charges for Compelling Execution)

(1) When determining the amount of charges for compelling execution pursuant to Article 13 of the Act, the Korea Communications
Commission shall take into account such factors as the reasons for failure to comply with corrective orders and the scale of benefits to be gained by such failure. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(2) The date of compliance with corrective orders pursuant to Article 13(2) of the Act shall be determined by the classifications falling
under each of the following: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. delivery date of shares in
the case of disposal of shares;

2. date of executing a contract in the case of amending details of a contract;

3. date of suspending the relevant acts in the case of suspending the acts impeding public benefits; and

4. date of satisfying relevant conditions in the case of conditional performance.

(3) Where the Korea Communications Commission wishes to impose charges for compelling execution pursuant to Article 13 of the Act, it
shall furnish a notification thereof in writing, indicating such matters as the amount of charges for compelling execution per day, reasons for imposition, payment term and receiving agency, methods of raising objections, and agencies to where such
objections must be directed. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(4) Any person who has been
notified under paragraph (3) shall pay the charges for compelling execution within 30 days of the date of receiving such notice; provided that, in the event such person is unable to pay the charges for compelling execution within said
period due to a natural disaster or other unavoidable circumstances, such person shall pay the charges for compelling execution within 30 days of the day on which said causes have disappeared.



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(5) In collecting charges for compelling execution and in the event a corrective order has
not been complied with after 90 days elapsed from the date of expiration of the period set by the corrective order, the Korea Communications Commission may collect charges for compelling execution based on the dates on which each 90 day period
elapses from said expiration date.

(6) Article 49 hereof shall apply mutatis mutandis to any reminder of charges for
compelling execution.

Article 19 (Permit to Change)

(1) A person who wishes to obtain a permit to change to a key communications business pursuant to Articles 16 (1) of the Act shall submit to the Korea Communications Commission an application for a
permit to change to a key communications business with supporting documents confirming proposed changes attached thereto: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. <Deleted by Enforcement Decree No. 22616 Oct. 1, 2010>

2. <Deleted by Enforcement Decree No. 22616 Oct. 1, 2010>

(2) The Korea Communications Commission shall issue public notice with respect to details about application guidelines, submission
procedures, submission method, etc. for a permit to change to a key communications business under Article 16(1) of the Act.

(3) <Deleted by Enforcement Decree No. 22616 Oct. 1, 2010>.

(4) The material aspects prescribed under the Enforcement Decree of the Act in Article 16(1) of the Act means each of the
following; <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. matters concerning changes to key
communication business pursuant to Article 6(1) of the Act (including the case where services cancelled under Article 20(1) of the Act are to be resumed); and



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2. matters concerning the permission criteria under Article 6(4) of the Act.

Article 20 (Approval Application for Transfer, Merger, etc.)

(1) A person who wishes to obtain approval of the transfer of the whole or part of a key communications business pursuant to Article 18(1)1 of the Act shall submit to the Korea Communications Commission
an approval application for the transfer of a key communications business with each of the following documentation attached thereto: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. a copy of the transfer agreement;

2. articles of incorporation of the transferor and the transferee, and documentation supporting the transfer;

3. shareholder register, or documentation related to ownership of shares, etc. by shareholders, etc., of the transferee;

4. present status of the transferor and the transferee; and

5. post-transfer
business proposal.

(2) A person who wishes to obtain approval of the merger with a corporation that is a key
communications business pursuant to Article 18(1)2 of the Act shall submit to the Korea Communications Commission an approval application for the merger with a key communications business with each of the following documentation attached thereto:
<Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. a copy of the merger agreement;

2. articles of incorporation of the parties to the merger agreement, and documentation supporting the merger;

3. shareholder register, or documentation related to ownership of shares, etc. by shareholders, etc., of the corporation that shall
continue to exist after the merger or be incorporated through the merger;



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4. present status of the parties to the merger agreement; and

5. post-merger business proposal.

(3) A key communications business operator who wishes to obtain approval of the sale of telecommunications line facilities and equipment pursuant to Article 18(1)3 of the Act shall submit to the Korea
Communications Commission an approval application for the sale of line facilities and equipment with each of the following documentation attached thereto: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. a copy of the sale and purchase agreement concerning telecommunications line facilities and equipment, and other documentation
supporting such agreement;

2. articles of incorporation of the seller and the purchaser, and documentation supporting the
sale and purchase;

3. shareholder register, or documentation related to ownership by shareholders, etc., of the purchaser;

4. present status of the seller and the purchaser; and

5. post-sale business proposal.

(4) A person who wishes to own 15% or more of the total outstanding shares of a key communications business operator or become the largest shareholder of a key communications business operator pursuant to
Article 18(1)4 of the Act shall submit to the Korea Communications Commission an approval application for the ownership of shares, or for becoming the largest shareholder, of a key communications business with each of the following documentation
attached thereto: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. documentation supporting the share
purchase, such as a copy of the share purchase agreement;



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2. articles of incorporation of the share purchaser, or the person seeking to be the largest
shareholder, and the counterparty to the share purchase agreement;

3. present status of the shareholders of the share
purchaser, or the person seeking to be the largest shareholder, and the counterparty to the share purchase agreement;

4.
present status of the share purchaser, or the person seeking to be the largest shareholder, and the counterparty to the share purchase agreement;

5. purpose of, reasons for and an analysis of the effect of acquisition of the shares;

6. proposal for dual appointment of officers (only when considering dual appointment of an officer of the counterparty); and

7. post-share acquisition business proposal (only when seeking to become the largest shareholder).

(5) A person who wishes to obtain approval for purchase of shares or execution of an agreement under Article 18(1)5 shall attach the following to an approval application submit them to the Korea
Communications Commission. <Newly Inserted by Act No. 22616 Oct. 1, 2010>

1. documents confirming the acquisition
of managerial control such as copies of share purchase agreement or other agreement, etc.

2. articles of incorporation of the
purchaser or the party to the agreement and the counterparty;

3. shareholders registers of the purchaser or the party to the
agreement and the counterparty

4. descriptions of businesses of the purchaser or the party to the agreement and the
counterparty



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5. purposes of and impact analysis of the share purchase or execution of the agreement;

6. a plan for overlapping officers and directors (applicable when such officers or directors also act as officers or
directors the counterparty); and

7. a business plan for the period following the-share acquisition or execution of the
agreement.

(6) The premises determined under the Enforcement Decree of the Act in Article 18(1)5 of the Act means
any of the following. <Newly Inserted by Act No. 22616 Oct. 1, 2010>

1. where one person alone or together with
his specially related persons seek to acquire shares issued by the largest shareholder of a key communications business operator and effectively exercises the voting rights of such largest shareholder;

2. where persons (including specially related persons) with the common aim of controlling a key communications business operator seek to
acquire more shares than the voting rights held by the largest shareholder of such key communications business operator;

3.
where the control of a key communications business operator is sought by way of business lease, delegation of managerial control or other agreements with the key communications business operator or its largest shareholder; and

4. where a shareholder of a key communications business operator seeks enter into an agreement with other shareholders, except the
largest shareholder to exercise jointly more voting rights than the largest shareholder.



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(7) A key communications business operator that seeks to receive an approval to establish a
corporation to provide part of the key communications services it has provided with the approval under Article 18(1)6 shall attach the following documents to an incorporation approval application and submit them to the Korea Communications
Commission. <Newly Inserted by Act No. 22616 Oct. 1, 2010>

1. articles of incorporation of the corporation to be
incorporated

2. shareholder register, or documentation relating to ownership of shares, etc. by shareholders, etc., of the
corporation to be incorporated;

3. business status of the services to be provided (applicable only to the key communications
business that already provides the services to be provided by the corporation to be incorporated; and

4. a business plan of
the corporation to be incorporated.

(8) The approval application and attachments under paragraphs (1) through
(5) and (7) may be submitted electronically. <Newly Inserted by Act No. 22616 Oct. 1, 2010>

(9) The
Korea Communications Commission receiving an approval application for transfer, merger, sale, share acquisition or changing the largest shareholder pursuant to paragraphs (1)-(7) shall verify the commercial registry extracts of the party
seeking to transfer, merge, sell, become the largest shareholder, acquire shares, execute an agreement or incorporate a corporation by using the public administrative information made available under Article 21(1) of the E-Government Act.
<Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(10) The Korea Communications Commission shall issue a key
communications business operators license upon approving the approval application for transfer, merger or incorporation pursuant to paragraph (1) , (2) or (7). <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>



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Article 21 (Criteria for Major Telecommunications Line Facilities and Equipment)

The major telecommunications line facilities and equipment prescribed under the Enforcement Decree of the Act in provisos
other than each subparagraph of Article 18(1) of the Act means facilities and equipment for exchange, transmission and wire pursuant to Article 3(1)8-10 of the Regulations on Telecommunications Facilities and Equipment of which the sum of the sales
prices is not less than 5 billion won. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010; No. 22616 Jan. 4, 2011>

Article
22 (Report on Sale of Telecommunications Line Facilities and Equipment)

A person who wishes to file a report on sale of
telecommunications line facilities and equipment pursuant to provisos other than each subparagraph of Article 18(1) of the Act shall submit to the Korea Communications Commission a report on sale of telecommunications line facilities and equipment
(including electronic application) with each of the following documentation (including electronic application) attached thereto: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. documentation supporting the sale, such as a copy of the sales agreement concerning telecommunications line facilities and equipment;

2. types, details and prices of the facilities and equipment being sold; and

3. plans for service provision and user protection subsequent to the sale.

Article 23

<Deleted by Enforcement Decree No. 22616 Oct. 1, 2010>

Article 24 (Application for a Permit to Suspend Business, etc.)

A person who wishes to obtain authorization to suspend or discontinue business pursuant to Article 19(1) of the Act shall submit to the Korea Communications Commission each of the following documentation
at least 60 days prior to the expected suspension or discontinuation date. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>



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1. details of the business to be suspended or discontinued, and drawings of such
businesss territories;

2. documentation indicating details of major telecommunications facilities and equipment
relating to the business to be suspended or discontinued;

3. written permission (only where the whole business is
discontinued); and

4. statement of reasons for such suspension or discontinuation.

5. notice about the proposed suspension or discontinuation; and

6. documentation stating a plan for customer protection in connection with the proposed suspension or disconsolation.

[Title of this Article amended on 2010.10.1]

Article 25 (Criteria, Procedures, etc. for
Revocation of Permits)

(1) The criteria for revocation of permits, cancellation of registration and suspension or
discontinuation of business pursuant to Articles 20(2) and 27(3) of the Act are as provided in Table 1 attached hereto. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(2) <Deleted by Enforcement Decree No. 22616 Oct. 1, 2010>:

(3) Upon revocation of permits, cancellation of registration or suspension or discontinuation of business under paragraph (1), the Korea
Communications Commission shall issue public notification thereof without delay, and notify the relevant telecommunications business operator in writing.



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Article 26 (Application for Registration)

(1) A person who wishes to register as a specific communications business operator pursuant to Article 21(1) of the Act shall submit to
the Korea Communications Commission an application (including an electronic application) to register as a specific communications business operator with each of the following documentation (including electronic documentation) attached thereto:
<Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. a business proposal relating to a specific
communications business;

2. articles of incorporation of the corporation (including, throughout this Article, the corporation
to be established);

3. details, installment locations and a network map of major business facilities and equipment;

4. terms of use containing provisions relating to user protection (including a provision for the aggregated issue amount of
prepaid calling cards), and details of, and a management proposal for, an office for user protection; and

5. <Deleted by
Enforcement Decree No. 22616 Oct. 1, 2010>

(2) The Korea Communications Commission receiving who receives a
registration application pursuant to paragraph (1) shall verify the commercial registry extracts and national technical qualification certificates of the technical personnel by using the public administrative information available pursuant to
Article 36(1) of the E-Government Act; provided that, in the event the applicant does not consent to such verification method, such applicant shall be required to attach the relevant documentation copies thereof to its license application.
..<Amended by Enforcement Decree No. 22151 of May. 4, 2010; No. 22616 Oct. 1, 2010>



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Article 27 (Issuance of Certificates of Registration)

(1) Upon receipt of a registration application under Article 26(1) hereof, the Korea Communications Commission shall verify whether such
registration application meets the registration requirements under Article 28 hereof, make recordation of each of the following in a registration registry of specific communications business operators and issue to the applicant a certificate of
registration as a specific communications business operator within 30 days of the date of application: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. number and date of registration;

2. title or trade name of the business and
name of the representative;

3. location of the principal office;

4. capital;

5. types of services provided;

6. details of major business facilities and equipment and the locations where such facilities and equipment are installed;

7. details concerning technical personnel;

8. any conditions upon which the
registration is authorized; and

9. <Deleted by Enforcement Decree No. 22616 Oct. 1, 2010>.

(2) The Korea Communications Commission may, where it deems necessary, request for a registration application already submitted to it
under Article 26 hereof to be supplemented or revised by no later than 7 days thereafter; provided that, such period may be extended upon request of the applicant and may not count towards the processing time referred to in paragraph (1).

(3) A specific communications business operator whose certificate of registration, issued pursuant to paragraph (1), is
either lost or worn out to the extent it can no longer be used may apply for reissuance of the certificate of registration to the Korea Communications Commission.



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Article 28 (Registration Requirements for Specific Communications Business)

The registration requirements for a specific communications business pursuant to Article 21(5) of the Act are as provided in Table 2
attached hereto. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

Article 29 (Reporting Procedures, etc. of Value-Added
Communications Business)

(1) A person who wishes to file a report of a value-added communications business under the former
part of Article 22(1) of the Act shall submit to the Korea Communications Commission a value-added communications business report (including an electronic report) and each of the following documentation (including an electronic report):

1. a network map diagram (including an electronic diagram, but applicable only where new types of value-added communications services are
reported and the Korea Communications Commission deems such diagram to be necessary and requests for it); and

2. a report
about the privacy protection system (applicable only when personal data are handled).

(2) The Korea Communications Commission
receiving a report pursuant to paragraph (1) shall verify the commercial registry extracts by using the public administrative information available pursuant to Article 36(1) of the E-Government Act. . <Amended by Enforcement Decree
No. 22151 of May. 4, 2010, Amended by Enforcement Decree No. 22616 of Oct. 1, 2010>

(3) When there is an error
in a value-added communications business report or the documentation attached to such report is insufficient, the Korea Communications Commission may request for such report to be supplemented by no later than 10 days thereafter; provided
that, such period may be extended upon request by the person filing the report. <Amended by Enforcement Decree No. 22616 of Oct. 1, 2010>



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(4) Upon receipt of a value-added communications business report under paragraph (1), the
Korea Communications Commission shall issue a report certificate to the person filing such report.

(5) A value-added
communications business operator whose report certificate, issued pursuant to paragraph (4), is either lost or worn out to the extent it can no longer be used may apply for reissuance of the certificate of report to the Korea Communications
Commission.

Article 30 (Exemption from Value-added Communications Business Operator Report)

(1) The small-scale value-added communications business meeting the criteria prescribed under the Enforcement Decree of the
Act in the latter part of Article 22 of the Act means value-added communications business operators who provide value-added communications services using the Internet and where the capital is 100 million won or less who satisfy each of
the following criteria. < Amended by Enforcement Decree No. 22616 of Oct. 1, 2010>

(2) In the event a value-added
communications business operator who is exempted from filing a report pursuant to paragraph (1) comes to have more than 100 million won as its capital, such value-added communications business operator shall file a report, within 1 month
of the date on which it ceased to satisfy such criteria, in accordance with the former part of Article 22 (1) of the Act. <Amended by Enforcement Decree No. 22616 of Oct. 1, 2010>

Article 31 (Amendment of Registration or Report)

(1) As prescribed under the Enforcement Decree of the Act in Article 23 of the Act means each of the following:

1. title or trade name, and address;

2. representative;



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3. types of services provided;

4. capital (for specific communications business operators only);

5. expert personnel (for specific communications business operators only); and

6. changes to specific communications business or added-value communications business under Article 21(1) and the main body of Article
(includes cases where businesses which have been subject to partial cancellation of the registration or partial suspension under main bodies of Article 27(1) and (2) are sought to be resumed).

(2) In order to amend any of the information set forth in paragraph (1), an application to register amendment to the specific
communications business, or a report of amendment to the value-added communications business (including an electronic application or report), and documentation (including electronic documentation) supporting the relevant amendment shall be submitted
to the Korea Communications Commission.

(3) Upon receipt and registration, or receipt and processing, of an application to
register amendment or a report of amendment, the Korea Communications Commission shall issue either a registration certificate on which the relevant amendment is recorded or a report certificate.

(4) The Korea Communications Commission receiving an application to register amendment or a report of amendment pursuant to paragraph
(2) shall verify the commercial registry extracts or business registration certificate by using the public administrative information available pursuant to Article 36(1) of the E-Government Act; provided that, in the event the applicant
or person filing the report does not consent to such verification method, such applicant or person shall be required to attach the corporate registry or business registration certificate to its report. <Amended by Enforcement Decree
No. 22616 of Oct. 1, 2010>



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Article 32 (Report on Transfer of Business)

(1) A person who wishes to file a report on transfer of a specific communications business or a value-added communications business
pursuant to Article 24 of the Act shall within 30 days from the date on which a business transfer agreement is executed submit to the Korea Communications Commission a business transfer application (including an electronic application) with each of
the following documentation (including electronic documentation) attached thereto: <Amended by Enforcement Decree No. 22616 of Oct. 1, 2010>

1. a copy of the business transfer agreement;

2. documentation prescribed under
each of the subparagraphs of Article 26(1) hereof or Article 29(1) hereof; and

3. a registration certificate or a report
certificate.

(2) A person who wishes to file a report on merger of a corporation that is either a specific communications
business operator or a value-added communications business operator pursuant to Article 24 of the Act shall within 30 days from the date on which a merger agreement is executed submit to the Korea Communications Commission a merger application
(including an electronic application) with each of the following documentation (including electronic documentation) attached thereto: <Amended by Enforcement Decree No. 22616 of Oct. 1, 2010>

1. a copy of the merger agreement;

2. documentation prescribed under each of the subparagraphs of Article 26(1) or 29(1) hereof; and

3. a registration certificate or a report certificate.

(3) A person who wishes
to file a report on inheritance of a value-added communications business operator pursuant to Article 24 of the Act shall within 30 days from the date on which the cause for the inheritance has occurred submit to the Korea Communications Commission
an inheritance report (including an electronic application) with documentation (including electronic documentation) demonstrating that she or he is the heir attached thereto. <Amended by Enforcement Decree No. 22616 of Oct. 1, 2010>



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(4) The Korea Communications Commission receiving a report under paragraphs
(1)-(3) shall verify, through the information sharing channel under Article 36(1) of the Electronic Government Act, the commercial registry extracts of the transferor or party to a merger agreement (meaning the existing or newly established
corporation), national technical qualification certificates of the technical personnel or a certificate of the heirs family register; provided that, in the event the person filing the report does not consent to such verification method,
such person shall be required to attach the relevant documentation (copies of national technical qualification certificates or a certificate of the heirs family register) to its report. .<Amended by Enforcement Decree No. 22151 of May.
4, 2010, Amended by Enforcement Decree No. 22616 of Oct. 1, 2010>

(5) Upon receipt of a report to register on
transfer or merger of a specific communications business or a value-added communications business under paragraph (1) or (2), the Korea Communications Commission shall issue either a specific communications business registration certificate or
a value-added communications business report certificate.

Article 33 (Report on Suspension or Discontinuation of Business)

A person who wishes to file a report on either (i) suspension or discontinuation of a specific communications business or a
value-added communications business or (ii) dissolution of a corporation that is a specific communications business operator or a value-added communications business operator shall at least 15 days prior to the expected suspension or
discontinuation date submit to the Korea Communications Commission a report on suspension, discontinuation or dissolution of a specific communications business or a value-added communications business (including an electronic application) with
documentation (including electronic documentation) demonstrating that users have been notified of such suspension or discontinuation attached thereto; provided that, in the event the information contained in any of such documentation can be
verified through the public administrative information available pursuant to Article 36(1) of the E-Government Act, such verification may substitute for the relevant documentation. <Amended by Enforcement Decree No. 22151 of May. 4, 2010,
Amended by Enforcement Decree No. 22616 of Oct. 1, 2010>



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Chapter 3. Telecommunications Operation

Article 34 (Approval of Terms of Use)

(1) The services for which key communications business operators must obtain approval of terms of use pursuant to the text of Article 28(2) of the Act shall be any of the following <Amended by
Enforcement Decree No. 21060, Oct. 1, 2008; No. 22616 Oct. 1, 2010 >:

1. among the services provided by the key
communications business operator with the highest market share with respect to the aggregate national sales based on sales from each service in the preceding year, the service from which sales in the preceding year reach or exceed the amount
determined and publicly notified by the Korea Communications Commission with respect to each service; or

2. if a key
communications business operator providing the service prescribed under subparagraph 1 completes business consolidation with another key communications business operator pursuant to Article 12(1)1 or 12(1)4 of the Monopoly Regulation and Fair Trade
Act, the service prescribed under subparagraph 1 provided by such other key communications business operator.

(2) By
31. December each year, the Korea Communications Commission shall designate and issue public notification of the key communications business operators and services prescribed under paragraph (1); provided that, the Korea Communications
Commission shall designate and issue public notification of the key communications business operators and services falling under subparagraph 2 of paragraph (1) immediately after the date of report on business consolidation thereunder.
<Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(3) Notwithstanding the provisions under paragraph (1), a
key communications business operator who wishes to amend minor aspects of terms of use as prescribed by the Korea Communications Commission may file a report with the Korea Communications Commission.



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Article 35 (Application for Approval of Terms of Use)

A person who wishes to file a report (including a report on amendment) or obtain an approval (including an approval of amendment) on
terms of use with respect to telecommunications services pursuant to Article 28(1) or (2) of the Act shall submit to the Korea Communications Commission terms of use containing each of the following with documentation demonstrating the bases
for price computation pursuant to Article 28 (4) of the Act attached thereto: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. types and details of telecommunications services;

2. areas in which
telecommunications services are provided;

3. prices of telecommunications services, including fees and actual expenses;

4. details concerning the responsibilities of telecommunications business operators and users of telecommunications services;
and

5. any other information necessary the provision or use of the relevant telecommunications services.

Article 36 (Services Entitled to Reduction or Exemption of Fees)

Telecommunications services entitled to the reduction or exemption of fees pursuant to Article 29 of the Act shall be as follows. .<Amended by Enforcement Decree No. 22003 of Jan. 27, 2010;
No. 22616 Oct. 1, 2010 >

1. Telecommunications services for the communications concerning the rescue of human lives
and properties in danger, and the rescue from disasters or for the communications by the victims of disasters;



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2. Telecommunications services for the whole or part of exclusive line communications used
by such agencies, in case where the exclusive line communications of agencies which are fully responsible for military, public order and national security, and a part of self-communications network of the State, local governments or
government-invested institutions are integrated into the telecommunications net-work of a key communications business;

3.
Telecommunications services for the communications required for military operations in wartime;

4. Telecommunications
services for the newspapers under the Act on the Promotion of Newspapers, etc., and for communication for news reports by the broadcasting stations under the Broadcasting Act;

5. Telecommunications services for a communication which is required for facilitating the use, and for diffusing the distribution, of information communications;

6. Telecommunications services for a communication by those who are in need of the protection for the improvement of social welfare;

7. Telecommunications services for a communication which is required for the promotion of interchange and cooperation between
North and South Korea; and

8. Telecommunications services for a communication which is specially required for the operation
of postal services.

Article 37 (Provision of Transmission or Line Facilities and Equipment, etc.)

Pursuant to Article 31(1) of the Act, a CATV broadcasting business operator, signal transmission network business operator or CATV relay
broadcasting business operator under the Broadcasting Act may provide transmission or line facilities and equipment or the CATV broadcasting facilities and equipment (the Transmission or Line Facilities and Equipment, etc.) to key
communications business operators in a manner falling under one of the following: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>



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1. sale or lease of transmission or line facilities, etc.;

2. commissioned performance of the communications or exchange operations, etc. by making use of transmission or line facilities, etc.; or

3. manners corresponding to subparagraphs 1 and 2, which are determined by a consultation between a CATV broadcasting
business operator, a signal transmission network business operator, or a CATV relay broadcasting business operator.

Article 37-2 (Prepaid
phone services and subscription of guarantee insurance)

(1) A key communications services operator that seeks to provide
telecommunications services on a prepaid basis (prepaid phone services) pursuant to the main body of Article 32(3) shall submit each of the following items to the Korea Communications Commission, provided that a specific communications
business operator shall submit it to the head of the Central Radio Management Office.

1. a copy of guarantee insurance;

2. data about the aggregate service charges for the prepaid phone services for the pertinent year (prepaid phone
service charges);

3. guide for the use of the prepaid phone services;

4. other materials specified and announced by the Korea Communications Commission for prepaid phone services business standards and
customer protection, etc.



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(2) A telecommunications business operator seeking to provide the prepaid phone services
under paragraph (1) shall abide by each of the following:

1. the prepaid phone services shall be provided within the
coverage period of the guarantee insurance;

2. if additional prepaid phone services are to be provided within the coverage
period of the guarantee insurance, such additional prepaid phone services shall be provided within the actually used portion of the prepaid phone service charges;

3. if the prepaid phone service charges are to be changed, the guarantee insurance shall be renewed at least 30 days prior to such change. In this case, a copy of the renewed guarantee insurance policy
shall be provided to the Korea Communications Commission or the head of the Central Radio Management Office within 7 days of such renewal;

4. if the services are to be provided after the expiration of the guarantee insurance, the guarantee insurance shall be renewed at least 30 days prior t the expiration date. In this case, financial
statements and other materials specified by the Korea Communications Commission shall be provided to the Korea Communications Commission or the head of the Central Radio Management Office within seven; and

5. measures to make paragraph (1)3 and 4 easily comprehensible to users shall be taken.

(3) The amount calculated according to standards specified under the Enforcement Decree of the Act in the main body of
Article 32(3) is an amount not less than 50% of the prepaid phone service charges and determined in accordance with the standards announced by the Korea Communications Commission, taking into consideration the prepaid phone service providers
pain-in capital and the prepaid phone service charges.

(4) The case specified under the Enforcement Decree of the
Act in the proviso of Article 32(3) means each of the following case:

1. average annual revenue from telecommunication
services provided by a telecommunications business operator for the recent 3-year period is 30 billion won or more;



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2. aggregate prepaid phone service charges is less than 10% of the annual revenue from
telecommunication services provided by a telecommunications business in the past year; and

3. provision of prepaid phone
services in the past 3-year period without suspension or discontinuation.

(5) When the beneficiary receives insurance
proceeds, such shall be distributed to users within 60 days from the date of receipt under Article 32(4) of the Act, provided that if the distributions payable amount exceeds the insurance proceeds, the insurance proceeds will be distributed in
proportion to loss amounts.

(6) business standards and methods concerning the guarantee insurance and insurance proceeds not
other wise specified in paragraph (2 )and (5) shall be determined and announced by the Korea Communications Commission.

[This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]

Chapter 4. Promoting Competition In Telecommunications Business

Article 38 (Criteria and
Procedures for, and Methods of, Evaluating Competition Status)

(1) When making determination concerning unit markets for the
purpose of evaluating competition status pursuant to Article 34(2) of the Act, all of the following factors shall be considered: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. demand substitutability and supply substitutability of the services;

2. geographical scope of the services provided;

3. transaction stages of the services provided such as retail (meaning transactions between telecommunications business operators and ultimate users of the services provided by such telecommunications
business operators) and wholesale (meaning transactions through which telecommunications facilities and equipment, etc., installed to provide wholesale services, are offered to other telecommunications business operators); and



36



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4. special characteristics of users such as differences in purchasing power and negotiating
edge or uniqueness of demand.

(2) Evaluation of competition status with respect to the unit markets determined under
paragraph (1) shall be implemented by comprehensively considering each of the following factors:

1. market structure
such as market share and entrance barrier;

2. response capacity of users such as accessibility of information related to
service use and ease of switching service providers;

3. activities of telecommunications business operators such as those
relating to price and quality competition and technology innovation; and

4. market performances such as the level of price
and quality and the size of excess profits made by telecommunications business operators.

(3) Where it deems necessary for
evaluating competition status, the Korea Communications Commission may invite opinions from relevant professionals and related parties.

Article 39 (Criteria applicable to Key Communications Business Operators, etc.)

(1) The key communications business operators satisfying the criteria prescribed under the Enforcement Decree of the Act in Articles 35(2)3, 39(3)2, 41(3)2 and 42(3)2 of the Act means, where
sales of certain key communications business operators in each service from the preceding year exceed the amount determined and publicly notified by the Korea Communications Commission with respect to each service, those business operators whose
market share in relation to the national aggregate sales from the relevant service is 50% or higher. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>



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(2) A facility management institution under Article 35(2)3 is a facility management
institution whose the aggregate size of facilities, etc. under Article 35(1) (facilities, etc.) owned last year or revenue from providing facilities, etc. exceeds certain thresholds announced by the Korea Communications Commission.
<Newly Inserted by Act No. 22616 Oct. 1, 2010>

(3) By 31. December, each year, the Korea Communications
Commission shall designate and issue public notification of the key communications business operators prescribed under Articles 35(2)1 and 3, 39(3), 41(3) and 42(3) of the Act and facilities management institution prescribed under Article 35(2)3 of
the Act. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

Article 39-2 (Submission of Data on Facilities, etc. and
Procedures, etc.)

(1) Each telecommunications business operator and facilities management institution shall provide each of
the following to the Korea Communications Commission by March 31 of each year.

1. status of facilities, etc., as
announced by the Korea Communications Commission, about the facilities, etc. owned by the telecommunications business operator and facilities management institution; and

2. status of facilities, etc. provided to a telecommunications business operator by a key communications business operator or a facilities management institution.

(2) The Korea Communications Commission may provide financial support within its budget to expert institutions for their operation under
Article 35(6).

[This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]



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Article 39-3 (Standards for Providing Obligatory Wholesale Services)

(1) The telecommunications services of a key communications business operator specified under Article 38(2) of the Act means
services of the key communications business operator with the highest market share of the aggregate domestic revenue on the basis of revenue per service last year that exceed thresholds specified for individual services announced by the Korea
Communications Commission.

(2) The Korea Communications Commission shall designate and announce key communications business
operators under paragraph (1) by December 31 of each year. [This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]

Article
40 (Report on Accord, etc. concerning Interconnections, etc.)

(1) A person who wishes, under Article 38(5) or 44(1) or
(2) of the Act, to file a report on, or obtain an approval of wholesale provision, provision, common use or interconnection of facilities, etc. and equipment or the execution or termination of, or an amendment to, an accord on provision of
information shall submit to the Korea Communications Commission each of the following documentation to the Korea Communications Commission, provided that in case of termination, only paragraphs 1 and 6 need to be submitted and in case of nominal
matters such as no change in service charges, etc. announced by the Korea Communications commission, only paragraph 5 needs to be submitted.: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. copy of the accord;

2. documentation demonstrating the amounts due from, or payable to, the parties to the accord, the computation methods with respect to such amounts and how the accord shall be implemented;

3. documentation demonstrating wholesale provision, provision, common use or interconnection of, or conditions upon which information
shall be provided on, facilities, etc. and equipment, and any other costs related to the accord;

4. drawings indicating
wholesale provision, provision, facilities, etc. provision, common use or interconnection of, or a summary of the information (including outlay of connection grid and connection points) to be provided on, facilities, etc. and equipment; and

5. documentation comparing the new accord against the old (applicable only to filing of a report of amendment or applying for
an approval of amendment).



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6. documentation confirming discontinuation (including electronic documentation)

(2) Upon receipt of documentation under paragraph (1), the Korea Communications Commission shall examine whether such documentation
comply with the criteria for provision, common use, wholesale provision or interconnection of, or provision of information on, facilities, etc. and equipment pursuant to Article 35(3), 37(3), 38(4), 39(2), 41(2) or 42(2) of the Act. <Amended by
Enforcement Decree No. 22616 Oct. 1, 2010>

(3) A key communications business operator that has received approval for
execution, amendment or termination of an agreement under Article 44(2) of the Act shall publish details of such on its website. <Newly Inserted by Act No. 22616 Oct. 1, 2010>

(4) Pursuant to Article 65(3) of the Framework Act on Telecommunications, upon receipt of documentation under paragraph (1), the Korea
Communications Commission shall examine whether such documentation complies with the criteria for provision, common use or interconnection of, or provision of information on, telecommunications facilities and equipment pursuant to Article 35(3) of
the Act, and whether the private telecommunications facilities and equipment provided were installed by an individual to be used for her or his own telecommunications. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

Article 40-2 (Request for Arbitration)

 A person wishing to make a request for arbitration under Article 45(1) of the Act shall attach each of the following documentation to its arbitration
application and submit them to the Korea Communications Commission, provided that the item under paragraph 3 shall be submitted only in the case of the request under Article 45(1)3.

1. documents about overview of the arbitration request;



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2. documents about negotiation between the parties; and

3. each of the documentation under Article 40(1).

 After reviewing the application documents under paragraph (1), the Korea Communications Commission may demand the applicant to submit additional
information within a certain period of time for any of the following reasons:

1. in the case where any required document is
missing

2. in the case where any entry in the application and attachments is vague.

 If the applicant fails to provide additional information within the time period
specified under paragraph (2), the Korea Communications Commission shall return the application along with a reason for such return.

[This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]

Article 40-3 (Arbitration
Decision)

 An arbitration decision by the Korea Communications Commission
shall be made in writing.

 The arbitration decision under paragraph
(1) shall state the ruling, reason and date of decision, be signed by the Commissioner of the Korea Communications Commission and commission members who attended the arbitration deliberation and be sent to the parties to the dispute.

[This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]



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Article 41 (Reporting Offenses)

(1) Any person recognizing any of the offenses prescribed under Article 50(1) of the Act may report to the Korea Communications Commission of such act and request any measures prescribed under each of the
subparagraphs of Article 52(1) of the Act to be taken. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(2)
A person who wishes to make a report under paragraph (1) shall submit to the Korea Communications Commission documentation indicating each of the following:

1. name (if a corporation, the name of the corporation and its representative) and address of the person making the report;

2. trade name, or name (if a corporation, the name of its representative), and address of the person being reported;

3. details of the offense; and

4. measures necessary for addressing the offense.

(3) The Korea Communications Commission may, where it deems necessary, request that the documentation submitted to it under
paragraph (2) be supplemented within a period reasonably fixed.

(4) The details of handling procedures and methods
concerning application, supplementation, prohibition and violation under paragraphs (1) through (3) shall be demined and announced by the Korea Communications Commission.

<Newly Inserted by Act No. 22616 Oct. 1, 2010>

Article 42 (Types of and Criteria for Offenses)

(1) The types of, and criteria
for, the offenses pursuant to Article 50(3) of the Act shall be as provided in Table 3 attached hereto. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(2) The Korea Communications Commission may, where it deems necessary for the purpose of applying to specific telecommunications fields or specific offenses, determine and issue public notification of the
details concerning the types of, and criteria for, the offenses under paragraph (1).



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Article 43

<Deleted by Enforcement Decree No. 22616 Oct. 1, 2010>

Article 44 (Measures Taken,
etc. on Offenses)

The term other matters prescribed under the Enforcement Decree of the Act in Article 52(1)11 of
the Act refers to each of the following: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. submission of a
plan for implementing the provisions under Article 52(1)1-10 of the Act; and

2. report on the results of the implementation
of the provisions under Article 52(1)1-10 of the Act.

Article 44-2 (Announcement of Corrective Order)

The details of contents and method of announcement about corrective order made under Article 52(1)8 shall be determined by the Korea
Communications Commission.

[This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]

Article 45 (Implementation Period of Corrective Orders)

The period by the end of which telecommunications business operators shall implement the corrective order issued by the Korea Communications Commission pursuant to Article 52(2) of the Act shall be as
provided in Table 4 attached hereto. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>



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Article 46 (Offenses Subject to Imposition of Penalties and Amount of Such Penalties, etc.)

(1) The classifications of offenses subject to imposition of penalties, the upper limit of such penalties and the criteria for imposition
of such penalties pursuant to Article 53(1) of the Act shall be as provided in Table 5 attached hereto. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(2) The types of violation subject to fine under Article 53(2) of the Act, maximum fine amount and fine calculation method are set forth in Table 5-2.. <Newly Inserted by Act No. 22616 Oct. 1,
2010>

Article 47 (Computation Methods of Penalties)

(1) The term sales as prescribed under the Enforcement Decree of the Act in the text of Article 53(1) of the Act means the average annual sales for the 3 preceding fiscal years of the
telecommunications services related to the offense committed by the relevant telecommunications business operator and the sales as prescribed under the Enforcement Decree of the Act in Article 53(2) of the Act means the average annual
sales for the 3 preceding fiscal years of the telecommunications services related to the offense committed by the relevant telecommunications business operator; provided that, if, as of the first day of the applicable fiscal year, less than 3
years have elapsed since the commencement of the relevant business as of the first day of the relevant fiscal year, such term shall mean the sales of the period from the commencement of the relevant business until the last day of the preceding
fiscal year, converted into annual average sales, or if the relevant business has been commenced in the applicable fiscal year, such term shall mean sales of the period from the commencement date of the relevant business until the date of commission
of the offense, converted into annual sales. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(2) The term
the time prescribed under the Enforcement Decree of the Act in the proviso of Article 53(1) of the Act means any of the following: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. where there has been no sales result due to such reasons as non-commencement or suspension of business; or



44



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2. where it is difficult to make an objective computation of sales.

Article 48 (Imposition and Payment of Penalties)

(1) The Korea Communications Commission shall, where it intends to impose penalties pursuant to Article 53 of the Act and subsequent to its investigation and verification of the relevant offense, notify,
in writing, the person subject to such penalties of the fact of offense, the amount thereof and the method of, and the period for, raising objection thereto. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(2) A person who receives a notification under paragraph (1) shall pay the relevant penalties to a financial institution designated
by the Korea Communications Commission within 20 days from the date of receiving such a notification; provided that, if the person is unable to pay the penalties within such period due to a natural disaster or other unavoidable circumstances,
the person shall pay the penalties within 7 days from the date on which said reason ceases to exist.

(3) A financial
institution in receipt of a payment of penalties under paragraph (2) shall deliver a receipt thereof to the person who paid the penalties.

Article 49 (Demand for Penalties)

(1) A demand for penalties pursuant to Article 53(6) of the Act shall be made in writing within 7 days from the date on which the payment deadline expires. <Amended by Enforcement Decree No. 22616
Oct. 1, 2010>

(2) Where a demand note is issued under paragraph (1), a deadline for payment of any penalties in arrear
shall be within 10 days from the date on which such demand note is issued.



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Article 50 (Services Subject To Prior Selection)

The telecommunications services prescribed under the Enforcement Decree of the Act in the latter part of Article 57(1) of the
Act means the Long Distance Telephone Service. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

<The
title of this Article amended on 2010.10.1>

Article 51 (Provision of Directory Assistant Service)

(1) Telecommunications business operators providing a directory assistant service pursuant to Article 60(1) of the Act may furnish any of
the following information: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. name or trade name of the
user;

2. telephone number of the user; or

3. address of the user up to Eup/Myeon/Dong.

(2) Telecommunications business
operators shall obtain users consent to a directory assistant service through a method that can be used to verify as to whether such consent has been indeed given by the user, such as the users handwritten or electronic signature, and to
prove at a later date that such consent has been given.

(3) Users may withdraw their consent given under paragraph
(2) at any time, and telecommunications business operators shall, without any delay, take the necessary measures so that a directory assistance service shall not be provided with respect to such users who withdrew their consent; provided
that, where the pertinent directory assistance service is provided through a written material, a user shall have to withdraw her consent at least 30 days prior to the print date of such written material for the withdrawal to take effect.

Chapter 5. Telecommunications Facilities and Equipment

<Amended by Enforcement Decree No. 22616 Oct. 1, 2010>



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Article 51-2 (Report and Approval of Telecommunication Facilities Installation)

(1) A key communications business operator seeking to install or change material telecommunication facilities under the main body of
Article 62(1) of the Act shall submit an installation or change application (including electronic application) and each of the following documentation (including electronic documentation) as attachment to the Korea Communications Commission.

1. details of installation or change of telecommunication facilities (diagram of connection grid included); and

2. security plan for telecommunication facilities.

(2) A key communications business operator seeking to receive approval for telecommunication facilities installed under the proviso of Article 62(1) of the Act shall submit an installation approval
application (including electronic application) and each of the following documentation (including electronic documentation) as attachment to the Korea Communications Commission.

1. business plan

2. security plan for telecommunication facilities

3. domestic and international
specifications and technological profile of the pertinent telecommunications facilities;

4. research status of the pertinent
telecommunications facilities; and 5. agreement (if installed or used jointly with other domestic or international business operator).

(3) After receiving an application under paragraph (2), the Korea Communications Commission shall notify the applicant of its decision within 15 days of the submission date after reviewing the
technological aspect of the telecommunication facilities to be installed, etc.

[This Article Newly Inserted by Act
No. 22616 Oct. 1, 2010]



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Article 51-3 (Investigation of Join Installation of Telecommunication Facilities)

The Korea Communications Commission may investigate the following items required for a joint installation agreement between key
communications business operators under Article 63(2) of the Act:

1. Each of the following items of the key communications
business operators installation plan

A. type and specifications of the telecommunication facilities to be installed;

B. installation area and installation interval

C. installation period;

D. technological prerequisites ,etc.

2. telecommunication area and interval available for joint installation;

3. plan for efficient joint installation of telecommunication facilities; and

4. economic impacts from the join installation of telecommunication facilities,

[This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]

Article 51-4 (Appointment of Expert Reviewing Institution

(1) When the Korea Communications Commission desires to delegate the investigation of the data required for a joint installation agreement between key communications business operators to an expert
institution in the telecommunication industry, it shall appoint an expert institution that is deemed to have expertise, fairness and objectivity and make it carry out the investigation.



48



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(2) When the Korea Communications Commission appoints an expert institution for data
investigation under paragraph (1), it will notify the relevant key communications business operators.

[This Article Newly
Inserted by Act No. 22616 Oct. 1, 2010]

Article 51-5 (Recommendation of Joint Installation of Telecommunication Facilities)

(1) In the event the Korea communications Commission recommends joint installation of telecommunication facilities to key communications
business operator under Article 63(3) of the Act, such recommendation shall include specific telecommunication facilities to be installed, installation area, installation interval, installation period.

(2) A key communications business operator requesting a joint installation of telecommunication under Article 64(4)1 shall submit each of
the following documentation to the Korea Communications Commission:

1. plan for the joint installation of telecommunication
facilities;

2. economic impact of the joint installation of telecommunication facilities

3. matters not yet agreed with the key communications business operator participating in the joint installation of telecommunication
facilities and proposed solutions

(3) A key communications business operator that has received a recommendation for joint
installation of telecommunication facilities shall notify the Korea Communications Commission on whether it is accepting the recommendation and, if it is being rejected, reason for such rejection within 21 days from the receipt of such
recommendation. [This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]



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Article 51-6 (Report of proprietary telecommunication facilities)

(1) A person desiring to install proprietary telecommunication facilities under Article 64 of the Act shall submit to the Korea
Communications Commission at least 21 days prior to the start of such installation a proprietary telecommunication installation application (including electronic application) including all of the following with blueprints of the installation
attached.

1. applicant

2. type of business

3. purpose of installation

4. electronic communication method

5. installation site

6. overview of telecommunication facilities

7. (expected) operation date of facilities

(2) The material items specified in the Enforcement Decree of the Act in the bottom text of the Article 64(1) of the Act means items under paragraphs (1)2 to (6).

(3) If a person who reported the installation of proprietary telecommunication facilities seeks to amend items in paragraph
(2) shall submit to the Korea Communications Commission an modification application (including electronic application) with blue prints (including a comparison of pre- and post-modification) of installation proprietary telecommunication
facilities at least 21 days prior to the effective date of such modification (in case of modification to any of paragraph (1)4 through (6), the start date of construction regarding such modification).



50



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(4) Upon receiving an installation or installation modification application under paragraph
(1) or (3), the Korea Communications Commission review the following:

1. whether it satisfies technological standards
under Article 28(2) of the Base Act on Broadcasting Communication Advancement

2. whether the purpose and reason for
installing telecommunication facilities is for the use of proprietary telecommunication

(5) The Korea Communications
Commission shall issue an installation/modification certificate if it concludes, after conducting a review, that all criteria under paragraph (4) are satisfied.

[This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]

Article 51-7 (Confirmation of
Installation)

(1) A person who filed an installation or modification application in regard to proprietary telecommunication
facilities under Article 64(3) shall receive confirmation from the Korea Communications Commission within seven days from the completion of installation or modification construction.

(2) A person desiring to receive confirmation of proprietary telecommunication facilities under paragraph (1) shall submit to the
Korea Communications Commission a proprietary telecommunication facilities confirmation application (including electronic application) with each of the following documentation (including electronic documentation) as attachment.

1. documentation showing that the construction was completed in satisfaction of the technological standards under Article 28(1) of the
Base Act on Broadcasting Communication Advancement

2. documentation showing that the construction was completed in accordance
with blue prints under Article 28(3) of the Base Act on Broadcasting Communication Advancement

3. copy of construction
firms license



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(3) After reviewing the application documents under paragraph (2), the Korea Communications
Commission may demand the applicant to submit additional information within a certain period of time for any of the following reasons:

1. in the case where any required document is missing

2. in the case where any
entry in the application and attachments is vague.

[This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]

 After reviewing the application documents under paragraph (1), the Korea
Communications Commission may demand the applicant to submit additional information within a certain period of time for any of the following reasons:

Article 51-8 (Exemption from Proprietary Telecommunication Facilities Installation Application)

Under Article 64(4) of the Act, proprietary telecommunication facilities may be installed without filing an application in any of the following cases:.

1. proprietary telecommunication facilities consisting of main equipment and terminals within one building and its lot;

2. proprietary telecommunication facilities consisting of main equipment and terminals within two or more buildings and their lots owned
by 1 person and whose shortest distance between them is shorter than 100 meters (excluding those buildings or lots separated by road or water stream); and

3. proprietary telecommunication facilities installed for police action and is used for less than 1 month.

[This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]



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Article 51-9 (Supply of Proprietary Telecommunication Facilities)

(1) A person who installed proprietary telecommunication facilities may provide excess capacity provided by the proprietary
telecommunication facilities installed in the interval requested by a key communications business operator under Article 65(2) of the Act over his need to the key communications business operator.

(2) If the proprietary telecommunication facilities are provided to a key communications business operator under paragraph (1), the
compensation for such supply shall not exceed the sum of the installation costs, maintenance expenses and investment return and shall be determined in accordance with the criteria announced by the Korea Communications Commission.

[This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]

Article 51-10 (Standards for Cessation Order)

The standards for cessation order
under Article 67(2) of the Act are set forth in Table 5-3. [This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]

Article 51-11
(Facilities subject to Public Space Needs)

The facilities and areas specified under the Enforcement Decree of the
Act under Article 68(1)8 of the Act means each of the following:

1. passenger car terminal under the Passenger
Transport Service Act

2. logistics terminal and logistics complex under the Act on the Development and Management of
Logistics Facilities

3. small and medium enterprise joint complex under the Small and Medium Enterprises Promotion Act

4. tourist site or complex under the Tourism Promotion Act



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5. sewage path under the Sewerage Act

[This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]

Article 51-12 (Adjustment for Public Space Needs)

(1) When the Korea
Communications Commission drafts a corrective plan upon the request under Article 68(5) of the Act, it shall solicit opinions from the head of relevant administrative bodies and the parties involved.

(2) When the Korea Communication Commission has drafted a corrective plan under paragraph (1), it shall notify the parties of such
plan and recommend their adoption of the plan within a period it specifies which shall not be shorter than 30 days.

(3) When
the parties adopt the corrective plan under paragraph (2), the Korea Communications Commission shall draft a corrective agreement including the following items and have it executed by the parties.

1. case number

2. names and addresses of the parties, their representatives or agents

3. reason for corrective adjustment

4. provisions amended

5. date of the agreement

[This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]



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Article 51-13 (Integrated Management of Telecommunication Facilities)

The case necessary for efficient management and operation of telecommunication facilities under Article 70(!) of the Act shall mean the
case where efficiently managing and operating telecommunication facilities eliminates redundant investment in such telecommunication facilities.

[This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]

Article 51-14 (Designation of
Integrated Telecommunication Operator)

When the Korea Communications Commission is to designate a key telecommunication
business operator who may integrate and manage telecommunication facilities under Article 70(1) of the Act, it shall make such designation out of key telecommunication business operators providing telecommunication services in the region where such
telecommunication facilities are located or its nearby regions after evaluating the following:

1. human resources and
organization of key communications business operator

2. facilities and equipments owned by key communications business
operator

3. technological capacity of key communications business operator

4. capital structure of technological capacity of key telecommunication business operator

[This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]

Article 51-15 (Items to be Covered in Integrated Management Plan)

The
items specified under the Enforcement Decree of the Act in Article 70(3)3 of the Act mean the following:

1.
pricing of integrated telecommunication facilities



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2. managerial personnel of integrated telecommunication facilities

[This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]

Article 51-16 (Purchase of Telecommunication Facilities) .

(1) The sales price
of telecommunication facilities under Article 71(2) of the Act shall be determined on the basis of a fair appraisal value provided by an appraiser under the Public Notice of Values and Appraisal of Real Estate Act, provided that such price may be
determined by agreement between the parties if appraisal by an appraisal is not possible.

(2) The sales procedures of
telecommunication facilities and payment mechanism under Article 71(2) of the Act shall be determined by the parties. [This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]

Article 52 (Designation of Alert Areas for Submarine Cable)

(1) A key
communications business operator who wishes to apply for designation of alert areas for submarine cable under Article 79(3) of the Act shall submit to the Korea Communications Commission documentation demonstrating each of the following: <Amended
by Enforcement Decree No. 22616 Oct. 1, 2010>

1. need to designate alert areas; and

2. legs and width of the alert areas indicated by using coordinates of latitude and longitude.

(2) The Korea Communications Commission may, where necessary for designation of alert areas for submarine cable, request additional
information further to the documentation prescribed under paragraph (1) from any key communications business operator who applies for such designation.



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(3) Upon receipt of the documentation submitted to it under paragraphs (1) and (2), the
Korea Communications Commission shall send such documentation to the heads of the relevant state administrative organs prescribed under Article 79(4) of the Act for consultation. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(4) Except under ordinary circumstances, the Korea Communications Commission shall, within 60 days of the date of application
for designation of an alert area for submarine cable, notify the key communications business operator making such application, and if such designation is approved, issue, without any delay, public notification of the newly designated alert area.

(5) Once the Korea Communications Commission designates and issues public notification of a new alert area under paragraph
(4), the key communications business operator who applied for such designation shall disclose the location of the new alert area on its website, etc., and may place buoys, etc. in the new alert area for marking purposes.

Article 52-2 (Inspection and Report of Telecommunication Facilities)

 The cases necessary for the implementation of telecommunication policies specified under the Enforcement Decree of the Act in Article 82(1) of
the Act shall mean each of the following

1. in case where necessary for the implementation of telecommunication policies

2. in case where necessary for verifying the suitability of installation and management of telecommunication facilities

3. in case where necessary for securing communication channels in case of national emergency and disasters

 When an inspection is made pursuant to Article 82(1) of the Act, an inspection plan
specifying inspection period, purpose and items shall be sent to the person who installed the telecommunication facilities being inspected at least 7 days prior to such inspection, provided that, the foregoing requirement is waived if necessary for
emergency or for the purpose of preventing destruction of evidence which would thwart the purpose of inspection.



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 ̈ A public servant carrying out the
inspection under paragraph (2) shall carry evidence of his authority and show it to relevant parties and provide at the time of entrance a document stating the time and purpose of the entrance to relevant parties. [This Article Newly Inserted
by Act No. 22616 Oct. 1, 2010]

Chapter 6. Supplementary Provisions

Article 53 (Protection of Communication Secrets)

(1) Telecommunications business operators shall preserve the ledger of communications data supplied, prescribed under Article 83(5) of the Act, for a period of 1 year. <Amended by Enforcement Decree
No. 22616 Oct. 1, 2010>

(2) Reports on, and notification of, the status of communications data supplied pursuant to
Articles 83(6) and 83(7) of the Act respectively, must be provided within 30 days after the expiration of each half-year. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(3) An office dedicated to protection of communication secrets pursuant to Article 83(8) of the Act (the Dedicated
Office) shall undertake to perform each of the following: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. oversee tasks related to communication secrets of users;

2. regulate illegal
or undue infringement of communication secrets of users by employees of telecommunications business operators or third parties;

3. report on the present status of communications information supplied under Article 83(6) of the Act;

4. furnish notification of the recordation in the ledger of communications data supplied under Article 83(7) of the Act;



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5. address complaints or opinions from users with respect to communication secrets;

6. train the employees in charge of tasks connected with communication secrets; and

7. any other matters necessary for protection of communication secrets of users.

(4) The Dedicated Office shall be based at the headquarters of each telecommunications business operator with the officers thereof in
charge.

(5) An authorized signatory for documentation under Article 83(9) of the Act shall be either (i) a judge, a
prosecutor or an investigatory entity (including, throughout this Enforcement Decree, a military investigatory body, the National Tax Service and regional tax services) (ii) a public official of Grade 4 or higher who belongs to an intelligence
agency (including a public official of Grade 5 who is the head of an investigatory body or intelligence agency) or (iii) a public official who belongs to senior executive service; provided that, (x) with respect to the police or
marine police, such authorized signatory shall be a public officer whose position is senior superintendent or higher (including a superintendent who is the head of a district policy agency) and (y) with respect to a military investigatory body,
it shall be a military prosecutor or a person whose rank is lieutenant colonel or higher (including a major with respect to a military investigatory body at which a major is the commanding officer). <Amended by Enforcement Decree No. 22616
Oct. 1, 2010>

(6) The documentation prescribed under Article 83(9) of the Act shall clearly indicate the authorized
signatorys name and rank; provided that, with respect to intelligence agencies prescribed under Article 2(6) of the Regulation on Planning and Coordination of Information Security, only the title of the authorized signatory shall be
indicated, and with respect to courts, the title and name of the authorized signatory shall be indicated. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>



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Article 54 (Caller Identification, etc.)

(1) Telecommunications business operators may not impose charges on users who choose, pursuant to the proviso of Article 84(1) of the
Act, not to allow their telephone numbers to be identified when making telephone calls. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(2) A person who wishes to be informed of the telephone number of the caller pursuant to Article 84(2)1 of the Act shall make a written request therefor to the pertinent telecommunications business
operator with any of the following documentation demonstrating in detail that the person has been subjected to abusive language, threats or harassment over the telephone attached thereto: <Amended by Enforcement Decree No. 22616 Oct. 1,
2010>

1. written records of the date, time and contents of threats, etc. over the telephone;

2. voice records of threats, etc. over the telephone;

3. documentation supporting that a crime report has been filed with the police in connection with threats, etc. over the telephone;

4. documentation supporting that advice has been sought from a clinic with respect to the damages incurred from threats, etc. over the
telephone;

5. any other documentation equivalent or similar to those set forth in subparagraphs 1-4.

(3) As prescribed under the Enforcement Decree of the Act in Article 84(2)2 of the Act means where each of the following
telephone services is used: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. to report international
terror-related crime (111);

2. to report crime (112);

3. to report spies (113);

4. to report cyber terror and seek advice in relation thereto (118);



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5. to report fire or seek emergency rescue (119);

6. to report marine accidents or crime (122);

7. to report smuggling (125); or

8. to report drug offenders (127).

Article 55 (Restriction on and Suspension of Service)

(1) Where the Korea Communications Commission issues, under Article 85 of the Act, an order to restrict or suspend the whole or part of the telecommunications business of telecommunications business
operators, it may allow communications for undertaking the matter falling under each of the following in the order of their priority, in proportion to the scope and severity of the relevant restriction or suspension: <Amended by Enforcement
Decree No. 22616 Oct. 1, 2010>

1. top priority



| | (a) | national security;
| | --- | ------------------



| | (b) | military affairs and public security;
| | --- | -------------------------------------



| | (c) | transmission of the civil defense alarm; and
| | --- | --------------------------------------------



| | (d) | electronic wave control;
| | --- | ------------------------

2.
second priority



| | (a) | disaster relief;
| | --- | ----------------



| | (b) | telecommunications, navigation safety, weather, fire fighting, electricity, gas, water service, transportation and the press;
| | --- | -----------------------------------------------------------------------------------------------------------------------------



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| | (c) | affairs of the State and local government, except for those mentioned in items (a) and (b); and
| | --- | -----------------------------------------------------------------------------------------------



| | (d) | affairs of the foreign diplomatic missions and the organizations of the United Nations in Korea;
| | --- | ------------------------------------------------------------------------------------------------

3. third priority



| | (a) | affairs of the enterprises subject to resources control and the firms of defense industry; and
| | --- | ----------------------------------------------------------------------------------------------



| | (b) | affairs of government-invested institutions, and medical institutions; and
| | --- | --------------------------------------------------------------------------

4. forth priority: matters other than those listed in subparagraphs 1 through 3.

(2) The restriction or suspension on the telecommunication services under paragraph (1) shall be the least of those required for
securing the important communications.

(3) A telecommunications business operator shall, in case where he restricts or
suspends the whole or part of telecommunications services under paragraph (1), report the content thereof without delay to the Korea Communications Commission.

Article 56 (Approval, etc. for International Telecommunications Services) <Amended by Enforcement Decree No. 21060, Oct. 1, 2008>

(1) The term international telecommunications business as prescribed under the Enforcement Decree of the Act in the earlier
part of Article 86(2) of the Act means the services falling under any of the following: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. installation and lease of a satellite for providing international telecommunications services; or

2. transboundary provision of key communications services under Article 87 of the Act.



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(2) A person who intends to obtain approval under Article 86(2) of the Act shall submit the
following documents to the Korea Communications Commission: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. duplicate copy of written agreement or contract;

2. comparative table between new and old agreements or contracts (limited to the cases where an application for modified approval is filed); and

3. document certifying the fact that the agreements or contracts have been abrogated (limited to the cases where an application for
approval of abrogation is filed).

(3) The criteria specified by the Enforcement Decree of the Act in the proviso
of Article 86(3) means telecommunication business operators whose capital is less than 300 million won and who do not have an international calling identification number issued by the Korea Communication Commission..

<Newly Inserted by Act No. 22616 Oct. 1, 2010>

Article 57 (Revocation of Approval for Agreement to Provide Transboundary Key Communications Services)

(1) The criteria for revocation of approval for agreements to provide transboundary key communications services and for suspension of provision of transboundary key communications services pursuant to
Article 87(4) of the Act shall be as follows. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. first
violation shall result in suspension of 6 months or less, or suspension of invitation of new users; and

2. second violation
shall result in revocation of approval.

(2) Upon revoking approval or ordering suspension, the Korea Communications
Commission shall issue public notification and notify the relevant telecommunications business operator in writing thereof.



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Article 58 (Report on Statistics)

(1) The types of statistics telecommunications business operators must report to the Korea Communications Commission pursuant to Article 88(1) of the Act are as follows. <Amended by Enforcement Decree
No. 22616 Oct. 1, 2010>

1. present status of telecommunications facilities, including those for exchange,
transmission, wire and power per service;

2. use records of telecommunications, including sales and times of use per service,
period, distance stage, time zone, country (including the use records per foreign telecommunications business operator) and Calling Area and between Calling Areas;

3. present status of telecommunications users, including the number of subscribers per service, city and province and Calling Area;

4. information related to call volume, including (i) call volume between Calling Areas and per service, period, distance stage, time
zone, city and province, country (including the call volume per foreign telecommunications business operator) and Calling Area and (ii) information on provision of facilities and equipment and on interconnection;

5. information related to accounting, including a sales report prepared for each service and business provided; and

6. aggregated issue amount of prepaid calling cards and use records of the Calling Areas (applicable only to specific communications
business operators).

(2) The Korea Communications Commission shall determine the format, submission method and reporting
deadline of the relevant statistics under paragraph (1) and any other matters related thereto.



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Article 59 (Submission of Documentation)

(1) Pursuant to Article 88(2) of the Act, key communications business operators and their shareholders shall submit to the Korea
Communications Commission each of the following: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. present
status of the corporations outstanding shares (including, throughout this Article, equities);

2. present shareholding
(including, throughout this Article, equity investment ratios) status of shareholders owning the corporations outstanding shares (including, throughout this Article, equity investors) and their related parties;

3. purpose of shareholding and reasons for the change (applicable only to shareholders of key communications business operators);

4. date of acquiring the shares and details of capital used for such acquisition (applicable only to shareholders of key
communications business operators);

5. form of shareholding (applicable only to shareholders of key communications business
operators); and

6. documentation supporting any of the information set forth in subparagraphs 1-5.

(2) Business operators obliged to submit documentation under paragraph (1) shall submit such documentation to the Korea
Communications Commission by the following date <Amended July 29, 2008>:

1. if the business operator is a key
communications business operator whose share certificates are listed on a stock exchange under Article 9(15)3 of the Financial Investment Services and Capital Markets Act, within 30 days from the date its shareholder registry is closed; or

2. if the key communications business operator does not fall under subparagraph 1, by January 30 of each year.



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Article 60 (Methods for Computing Penalties)

(1) The term sales calculated under the conditions prescribed under the Enforcement Decree of the Act in the main sentence of
Article 90(1) of the Act means the annual average sales for 3 fiscal years immediately preceding of the telecommunications services by the relevant telecommunications business operator; provided that, where 3 years have not elapsed since the
start of business as of the first day of the relevant fiscal year, it shall mean sales from the period from the start of the relevant business until the end of the immediately preceding fiscal year, converted into annual average sales; and where a
business was started in the relevant fiscal year, it shall mean sales from the period from the date of starting the business until the date of an offense, converted into annual sales. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(2) The term  where it is prescribed under the Enforcement Decree of the Act in the proviso of Article 90
(1) of the Act means the case falling under any of the following: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. where there exists no business record due to a failure of starting a business or a suspension of business, etc.;

2. where a telecommunications business operator has refused to submit the data for computing sales or has submitted false data; or

3. other cases where it is difficult to compute the amount of objective sales.

Article 61
(Offenses Subject to Imposition of Penalties and Amount of Penalties, etc.)

(1) Classifications of offenses subject to the
imposition of a penalty and the amount of a penalty under Article 90(1) of the Act shall be as provided in Table 6 attached hereto. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>



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(2) The types of violation subject to fine under Article 90(2) of the Act and fine amounts
are set forth in Table 7. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(3) In determining the amount of
penalties under paragraph (1) or (2), the Korea Communications Commission may increase or decrease such amount by up to 50% after taking the following items into consideration, provided that even in case of increase, the total penalty amount
cannot exceed the maximum penalty amount specified under Article 90(1) or (2) of the Act.

<Newly Inserted by Act
No. 22616 Oct. 1, 2010>

1. the peculiarities of providing telecommunications services

2. the severity and frequency of each offense.

3. willfulness of violation

4. reason and contents of violation

5. prior penalties received for violation of law

(4) The provisions under Articles 48 and 49 hereof shall apply mutatis mutandis to the imposition, payment and demand of penalties under Article 90 of the Act. <Amended by Enforcement Decree
No. 22616 Oct. 1, 2010>

Article 62 (Extension of Payment Due Date, and Installment Payment, of Penalties)

(1) A person who intends to extend the payment due date of a penalty or pay it in installments under Article 91 of the Act shall make an
application to the Korea Communications Commission along with the document certifying grounds of the extension of payment due date or the payment in installments not later than 10 days prior to the relevant due date of payment. <Amended by
Enforcement Decree No. 22616 Oct. 1, 2010>



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(2) The term amount as prescribed under the Enforcement Decree of the
Act in Article 91(1) of the Act means either the amount equal to the sales under Article 47 multiplied by 1%, or 300 million won. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(3) The extension of the payment due date of a penalty under Article 91 of the Act shall not exceed 1 year from the day immediately
following said payment due date. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

(4) When making
installment payments under Article 91 of the Act, the intervals between the respective installment payment due dates shall not exceed 4 months, and the frequency of installments shall not exceed three times. <Amended by Enforcement Decree
No. 22616 Oct. 1, 2010>

(5) The Korea Communications Commission may, if a person liable for a payment of a penalty
for whom the payment due date has been extended or installment payments have been permitted under Article 91 of the Act comes to fall under any of the following, revoke such extension of payment due date, or the decision to allow such installment
payments, and collect it in a lump sum: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1. where the person
fails to pay a penalty for which the payment in installments has been decided, within the payment due date thereof;

2. where
the person fails to implement an order necessary for a change of security or other security integrity, which is given by the Korea Communications Commission; or

3. where it is deemed that the whole or remainder of a penalty is uncollectible, such as the compulsory execution, commencement of auction, adjudication of bankruptcy, dissolution of a juristic person or
dispositions on national or local taxes in arrears, etc.



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Article 63 (Classification and Appraisal, etc. of Securities)

The provisions of Articles 29 through 34 of the Framework Act on National Taxes, and of Articles 13 through 17 of its Enforcement Decree
shall apply mutatis mutandis to the provision of security under Article 91 of the Act. <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

Article 64 (Important Communications)

(1) The term important
communications in Article 92(2)3 of the Act means: <Amended by Enforcement Decree No. 22616 Oct. 1, 2010>

1.
business telecommunications related to the national security, military affairs, public peace and order, civil defense alarm transmission and radio wave control; or

2. other communications publicly notified by the Korea Communications Commission in order to efficiently perform the State affairs.

(2) The government may grant a subsidy for the expenses required for the construction and management of the important communications in
order to secure the important communications under paragraph (1).

Article 65 (Delegation of Authority)

The Korea Communications Commission shall delegate the authority falling under any of the following to the Director General of the
Central Radio Management Office pursuant to Article 93 of the Act <Amended July 3, 2008; No. 21060, Oct. 1, 2008; No. 22616 Oct. 1, 2010>:

1. registration and imposition of registration criteria of specific communications business under Article 21 of the Act;

2. acceptance of a report on the value-added communications business under the text of Article 22(1) of the Act;



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3. acceptance of a modified registration for the specific communications business, and of a
modified report for value-added communications business, under Article 23 of the Act;

4. acceptance of a report on the
transfer or takeover of a specific communications business or a value-added communications business, and on the merger or succession of a juristic person, under Article 24 of the Act;

5. acceptance of a report on the suspension or discontinuation of a specific communications business or a value-added communications
business, and on the dissolution of a juristic person under Article 26 of the Act;

6. order to cancel registration of or
suspend a specific communications business under Article 27(1) of the Act;

7. order to closedown or suspend a value added
communications business under Article 27(2) of the Act;

8. acceptance of installation and modification
applications concerning proprietary telecommunication facilities under Article 64(1) of the Act

9.
confirmation of installation and amendment constructions concerning proprietary telecommunication facilities under Article 64(3)

10. order to handle telecommunications business or connect with other telecommunication facilities given to the persons who installed proprietary telecommunication facilities under Article 66(1) of the
Act

11. order to correct given to the persons who installed proprietary telecommunication facilities under Article 67(1) of
the Act

12. order to cease usage of, modify/repair or take other measures in regard to proprietary telecommunication
facilities under Article 67(2) and (3)

13. permission for a felling or transplanting of the plants under the former part of
Article 75 (3) of the Act;



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14. inspection of and demand for reports from persons who have installed telecommunication
facilities under Article 82(1) of the Act

15. telecommunication facilities removal or other corrective order under Article
82(2) of the Act

16. acceptance of applications by specific communication business operators for agreements on settlement of
charges for international telecommunication services under Article 86(3) of the Act

17. hearing on the order to cancel
registration of a specific communications business or to closedown a value-added communications business under Article 89(2) and (3) of the Act;

18. imposition and collection of surcharge under Article 90 of the Act and permission for extension of time limit for payment of and payment in installment of such surcharge under Article 91 of the Act,
except against a key communications business operator;

19. correction order under Article 92(1) of the Act, except against a
key communications business operator;

20. order to suspend the provision of telecommunications service or to remove
telecommunications facilities under Article 92(3) of the Act, except against a key communications business operator;

21.
imposition and collection of surcharge under Article 104 of the Act, except against a key communications business operator.

Chapter 7. PENAL
PROVISIONS <Newly Inserted by Act No. 22616 Oct. 1, 2010>

Article 66 (Imposition Criteria for Fine)

The imposition criteria for fine imposed under Article 104(1) through (4) of the Act are set forth in Table 8.

[This Article Newly Inserted by Act No. 22616 Oct. 1, 2010]



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ADDENDA <Enforcement Decree No. 22616, Jan. 4, 2011>

Article 1 (Enforcement Date) This Decree shall take effect on the date of announcement.

Article 2 and Article 6 Omitted.

Article 8 (Amendments to Other Laws)

The Enforcement Decree of the Telecommunication Business Act shall be amended as follows. In Article 21, Article 3(8) to
(10) of the Regulation on Technological Standard for Telecommunication Facilities shall be replaced with Article 3(1)8 to 10 of the Regulation on Technological Standard for Broadcasting Telecommunication Facilities.



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