Pt Indosat Tbk Class BIDX: ISAT

Pefindo Reaffirm Indosat Rating idAA+ and idAA+(sy) Stable Outlook

· Issued by Pt Indosat Tbk Class B
Press ReleasePefindo Reaffirm Indosat Rating idAA+ and idAA+(sy) Stable Outlook

Jakarta, October 12, 2011 – PT Indosat Tbk (“Indosat”) announced today that Pefindo Credit Rating Indonesia (Pefindo) reaffirmed Indosat Ratings idAA+ (Double A Plus : Stable Outlook) for Indosat and its local currency Bonds and idAA+(sy) (Double A Plus Syariah) for Indosat Sukuks. The ratings reflect the strong support from the majority shareholder, the company’s very strong market position, and improved operating performance.However, it is offset by Indosat’s aggressive capital structure and intense competition within telecommunication industry.

About Indosat

Indosat Tbk is a leading telecommunication and information service provider in Indonesia that provides cellular services (Mentari, Matrix and IM3), fixed telecommunication services or fixed voice (IDD 001, IDD

008 and FlatCall 01016, fixed wireless service, StarOne, and fixed line service, Indosat Phone). The company also provides Multimedia, Internet & Data Communication Services (MIDI) through its subsidiary company, Indosat Mega Media (IM2) and Lintasarta. Indosat is also the pioneer in providing postpaid and prepaid 3.5G cellular services using HSPA+ technology. And the Company’s shares are listed in the

Indonesia Stock Exchange (IDX:ISAT) and its American Depository Shares are listed in the New York Stock

Exchange (NYSE:IIT).

For further information please contact:

Investor Relations

Tel: 62-21-3869615

Fax: 62-21-30003757

Corporate Secretary

Tel: 62-21-3869614

Fax: 62-21-30003754

Email: investor@indosat.com

Website: www.indosat.com

Disclaimer :

This document contains certain financial information and results of operation, and may also contain certain projections, plans, strategies, and objectives of Indosat, that are not statements of historical fact which would be treated as forward looking statements within the meaning of applicable law. Forward looking statements are subject to risks and uncertainties that may cause actual events and Indosat's future results to be materially different than expected or indicated by such statements. No assurance can be given that the results anticipated by Indosat, or indicated by any such forward looking statements, will be achieved.
This document is not an offer of securities for sale in the United States. Securities may not be offered or sold in the United States absent registration or an exemption from registration. Any public offering of securities to be made in the United States will be made by means of an offering circular that may be obtained from the Company and will contain detailed information about the Company and management, as well as financial statements. The Company does not intend to register any part of the offering in the United States.