Weatherford Shares Begin Trading on SIX Swiss Exchange

GENEVA, Nov. 17, 2010 /PRNewswire/ -- Weatherford announced that its shares will begin trading today on the SIX Swiss Exchange ("SIX") under the stock ticker WFT. Weatherford shares continue to be listed on the New York Stock Exchange and the NYSE Euronext.

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The inclusion of Weatherford's 758,446,637 registered shares into the Swiss Performance Index ("SPI") will occur in a staggered manner over five trading days, starting today.  Twenty percent of the free float market capitalization will be factored into the SPI after the close of trading today, and an additional 20 percent on each of the subsequent four trading days.

Based on the company's size as measured by free float market capitalization and volume traded on the SIX, Weatherford understands that the SIX is considering its addition to the Swiss Market Index ("SMI").  The decision regarding Weatherford's inclusion in the SMI is expected in the first quarter of 2011. If Weatherford meets the SIX criteria, the earliest date Weatherford would enter the SMI would be after close of trading on the Eurex monthly expiration date of 18 March 2011, for effect as of 21 March 2011.

Weatherford's related listing prospectus, as filed with the SIX, and Weatherford's corporate calendar required by the SIX, are now posted on the company website at www.weatherford.com under the heading "Investor Relations". The prospectus was prepared solely to comply with SIX listing rules; no shares are being offered or sold thereby. From time to time, Weatherford expects to post in a similar fashion other materials required by the SIX to be published or made available by Weatherford on the company website.

About Weatherford

Weatherford is a Swiss-based, multi-national oilfield service company. It is one of the largest global providers of innovative mechanical solutions, technology and services for the drilling and production sectors of the oil and gas industry. Weatherford operates in over 100 countries and employs over 53,000 people worldwide.

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 concerning, among other things, Weatherford's prospects for its operations which are subject to certain risks, uncertainties and assumptions. These risks and uncertainties, which are more fully described in Weatherford International Ltd.'s reports and registration statements filed with the U.S. Securities and Exchange Commission, include but are not limited to actions by the SIX and third parties, the impact of oil and natural gas prices and worldwide economic conditions on drilling activity, the outcome of pending government investigations, the demand for and pricing of Weatherford's products and services, domestic and international economic and regulatory conditions, changes in tax and other laws affecting our business, and other factors detailed in Weatherford's listing prospectus. Should one or more of these risks or uncertainties materialize, or should the assumptions prove incorrect, actual results may vary materially from those currently anticipated.

SOURCE Weatherford

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