Filed by Falconbridge Limited
Pursuant to Rule 425 under the Securities Act of 1933
Subject Company: Falconbridge Limited
Commission File No. 333-129218

FALCONBRIDGE LIMITED

news release

CLEARANCE BY EUROPEAN COMMISSION REMOVES
FINAL REGULATORY CONDITION
TO INCO'S ACQUISITION OF FALCONBRIDGE

Toronto, July 4, 2006 — Falconbridge Limited (TSX, NYSE:FAL) today announced that the proposed acquisition by Inco Limited (TSX, NYSE:N) of Falconbridge has been cleared by the European Commission ("Commission"). In a news release, Inco indicated that it has therefore satisfied the final outstanding regulatory condition to the acquisition, and Falconbridge shareholders may tender their shares to Inco's enhanced offer announced on June 26, 2006, and which expires on July 13, 2006. The Inco offer has been recommended to Falconbridge shareholders by the Board of Directors of Falconbridge.

The regulatory clearance, set forth in a decision issued by the Commission, is structured on the same remedy agreed upon with the U.S. Department of Justice. This remedy is outlined in a Falconbridge news release distributed June 7, 2006, and available at www.falconbrige.com/news room/press releases.

For more information, visit www.inco.com/newscentre/newsreleases/ to view Inco's press release.

Falconbridge Limited is a leading copper and nickel company with investments in fully-integrated zinc and aluminum assets. Its primary focus is the identification and development of world-class copper and nickel orebodies. It employs 14,500 people at its operations and offices in 18 countries. Falconbridge's common shares are listed on the New York Stock Exchange (FAL) and the Toronto Stock Exchange (FAL). Falconbridge's website can be found at www.falconbridge.com.

Forward-Looking Information

Certain statements contained in this News Release are forward-looking statements (as defined in applicable securities legislation). Examples of such statements include, but are not limited to, statements concerning Inco's offer to acquire all of the common shares of Falconbridge and the anticipated timing for completion of such offer and ancillary transactions upon the requisite regulatory approvals having been obtained. Inherent in forward-looking statements are risks and uncertainties well beyond our ability to predict or control. Actual results and developments are likely to differ, and may differ materially, from those expressed or implied by the forward-looking statements contained in this News Release.

Important Legal Information

This communication is being made in respect of Inco Limited's proposed combination with Falconbridge Limited. Inco has filed with the U.S. Securities and Exchange Commission ("SEC") a registration statement on Form F-8 (containing an offer to purchase and a share exchange take-over bid circular) and amendments thereto, and, if required, will file other documents with the SEC in connection with the proposed combination. Falconbridge has filed a Schedule 14D-9F and an amendment thereto with the SEC in connection with Inco's offer and has filed and, if required, will file other documents regarding the proposed combination with the SEC.

INVESTORS AND SECURITYHOLDERS ARE URGED TO READ THE REGISTRATION STATEMENT AND ANY OTHER RELEVANT DOCUMENTS FILED OR TO BE FILED WITH THE SEC WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION.

Investors and security holders may obtain copies of the registration statement and Inco's and Falconbridge's SEC filings free of charge at the SEC's website (www.sec.gov). In addition, documents filed with the SEC by Inco may be obtained free of charge by contacting Inco's media or investor relations departments. Documents filed with the SEC by Falconbridge may be obtained free of charge by contacting Falconbridge's investor relations department.

Filings made by Inco and Falconbridge with Canadian securities regulatory authorities, including filings made in connection with the offer, are available at www.sedar.com.

FOR FURTHER INFORMATION PLEASE CONTACT:

Falconbridge Limited
Denis Couture,
Senior Vice-President, Investor Relations,
Communications and Public Affairs
(416) 982-7020
(416) 982-7242 (FAX)
denis.couture@falconbridge.com
www.faconbridge.com