---

---

---

---

---

Indicate by check mark whether the registrant by furnishing the
information contained in this Form is also thereby furnishing the
information to the Commission pursuant to Rule 12g3-2(b) under
the Securities Exchange Act of 1934.

Yes ______ No ___X___

If "Yes" is marked, indicated below the file number assigned to the
registrant in connection with Rule 12g3-2(b):

---

		Investor Relations
		(55 61) 3415-1140
		ri@brasiltelecom.com.br
		Media Relations
		(55 61) 3415-1378
		cesarb@brasiltelecom.com.br

BRASIL TELECOM S.A.		BRASIL TELECOM PARTICIPAÇÕES S.A.
Publicly Held Company		Publicly Held Company
Corporate Taxpayer Registration CNPJ/MF:		Corporate Taxpayer Registration CNPJ/MF:
76.535.764/0001-43		02.570.688/0001-70
Board of Trade 53 3 0000622-9		Board of Trade 53 3 0000581- 8

MATERIAL FACT

Brasil Telecom Participações S.A. and Brasil Telecom S.A. (the “Companies”), in compliance with Brazilian Securities and Exchange Commission’s (CVM – Comissão de Valores Mobiliários) Instruction 358, dated January 3, 2002, inform that Invitel S.A.’s Shareholders’ Agreement, celebrated on April 25, 2008, was filed today at the Companies’ headquarter, in compliance with Brazilian law 6404/76.

Additionally the Companies were informed that the following Shareholders’ Agreements of the companies which make up the Companies’ controlling group were terminated on April 25, 2008:

1. Zain Participações S.A.’s Shareholders’ Agreement, celebrated on March 09, 2005 and its amendment, dated June 29, 2005;

2. Invitel S.A.’s Shareholders’ Agreement, celebrated on October 30, 1998 and its amendment, dated May 04, 1999, and

3. Solpart Participações S.A.’s Shareholders’ Agreement, celebrated on July 19, 1998 and its amendments, dated August 27, 2002 and April 28, 2005;

Brasil Telecom Participações S.A.’s Voting Agreement, celebrated on September 16, 2008, was suspended and its termination will take place if the controlling sale operation, which is the object of the Material Fact released by the Controlling Shareholders of the Companies on April 25, 2008, is put into effect.

Brasília, May 15, 2008.

Paulo Narcélio Simões Amaral
Investor Relations Officer
Brasil Telecom Participações S.A.
Brasil Telecom S.A.

Page 1 of 1

---

 

This press release may contain forward-looking statements. These statements are statements that are not historical facts, and are based on management's current view and estimates offuture economic circumstances, industry conditions, company performance and financial results. The words "anticipates", "believes", "estimates", "expects", "plans" and similar expressions, as they relate to the company, are intended to identify forward-looking statements. Statements regarding the declaration or payment of dividends, the implementation of principal operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends affecting financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect the current views of management and are subject to a number of risks and uncertainties. There is no guarantee that the expected events, trends or results will actually occur. The statements are based on many assumptions and factors, including general economic and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors could cause actual results to differ materially from current expectations.

---