BJ Services Company Successfully Completes Offer for Innicor Common Shares

CALGARY, ALBERTA--(Marketwire - May 21, 2008) - BJ Services Company ("BJ Services") (NYSE: BJS) and Innicor Subsurface Technologies Inc. ("Innicor") (TSX: IST.TO) announce that as of 4:30 p.m. (Calgary time) on May 20, 2008, 18,207,386 common shares of Innicor, representing approximately 97.6% of the issued and outstanding Innicor common shares (calculated on a fully diluted basis), had been validly deposited pursuant to the April 11, 2008 offer (the "Offer") by BJ Acquireco Canada, Inc. ("Acquireco"), a wholly owned subsidiary of BJ Services, to acquire all of the Innicor common shares, on the basis of Cdn$2.50 in cash per share.

The Offer had been subject to certain conditions, including a condition that a minimum of 66 2/3 per cent of the Innicor common shares (calculated on a fully diluted basis) be tendered. All of the conditions to the Offer have now been satisfied, and Acquireco has taken up all of the Innicor common shares validly tendered at the initial expiry time and will pay for them promptly. Following payment, Acquireco will own approximately 97.6% of the issued and outstanding common shares of Innicor.

In connection with the acquisition of the Innicor common shares by Acquireco, all of Innicor's officers and directors have tendered their resignations and will be replaced by appointees of BJ Services.

Acquireco now intends to acquire all of the Innicor shares not deposited under the Offer by means of a compulsory acquisition under the Business Corporations Act (Alberta). Once it has acquired all of the Innicor shares, Acquireco will seek to have the Innicor shares delisted from the Toronto Stock Exchange and will apply to have Innicor cease to be a reporting issuer under applicable Canadian securities laws.

BJ Services and Acquireco have retained Georgeson Shareholder Communications Canada, Inc. to act as information agent for the Offer. Questions regarding the Offer may be directed to the Information Agent at 1-866-344-4276.

Copies of the Offer, the accompanying take-over bid circular and related documents (in both English and French) have been filed with various securities regulatory authorities in Canada and are available on the SEDAR website ( www.SEDAR.com) under Innicor's profile.

An early warning report concerning the acquisition by Acquireco of the Innicor shares under the Offer will be filed by Acquireco with various securities regulatory authorities in Canada and will be available on the SEDAR website under Innicor's profile. A copy of the early warning report may also be obtained by contacting the representative of BJ Services listed below.

BJ Services Company is a leading provider of pressure pumping, well completion, production enhancement and pipeline services to the petroleum industry worldwide.

Innicor designs and manufactures a range of downhole tools and equipment used primarily in completions operations of the upstream oil and gas sector. Innicor's product line includes "Completion Tools" such as packers and other zonal isolation devices, liner hangers, explosive shaped charges, perforating equipment including carriers and tubing conveyed perforating devices, and other related wireline equipment. In addition to product sales of its equipment, Innicor provides a wide range of services to exploration and production companies, primarily in conjunction with the completion tools and liner hanger product lines. Innicor's products and services are sold both in Canada and internationally.

The Toronto Stock Exchange has not reviewed and does not accept responsibility for the adequacy or accuracy of this release.

Contacts

Jeffrey Smith
BJ Services Company
Senior Vice President, Finance and Chief Financial Officer
(713) 462-4239