Canada Carbon, Inc.TSXV: CCB

Bolero Announces A 5,500 Metre Drill Program For Confirmatory Infill And Step Out Drilling At Bald Butte

· Issued by Canada Carbon, Inc.

VANCOUVER, April 10 /CNW Telbec/ - United Bolero Development Corp. (the "Company" or "United Bolero"), (TSX-V: UNB) is pleased to announce it has engaged Ruen Drilling, Inc. of Clark Fork, Idaho to conduct a 5,500 metre (approximately 18,000 feet) drill program on United Bolero's Bald Butte deposit. The deposit currently shows a NI 43-101 inferred resource of 105 million tons at a grade of 0.071% Molybdenum (0.12% MoS2) which was calculated using the polygonal method, containing 150 million pounds of Molybdenum, (250 million pounds of MoS2) as stated in the press release dated December 14th, 2006:

http://www.unitedbolero.com/index.php?page(equal sign)newsdetail&newsfile (equal sign)unb_20061214.htm.

This NI 43-101 resource was prepared by Broad Oak Associates (an independent) and the Company is now undertaking the program recommended in this Technical Report to increase the geological knowledge of the deposit. This program will start on or about the middle of May 2007. The Bald Butte Project is located 28 miles northwest of Helena, Montana in Lewis and Clark County.

Key Objectives of 2007 Drill Program:
-------------------------------------

- To conduct confirmatory infill and step out drilling to expand the
  overall resource and upgrade portions of it to the measured and
  indicated categories and;
- To conduct additional exploratory drilling in the area of the Bald
  Butte pit where high grade mineralization has been reported previously.
  (see press release on May 3rd, 2006:      
http://www.unitedbolero.com/index.php?page(equal sign)newsdetail&newsfile(equa
l sign)unb_20060503.htm).

John Childs, Ph.D., Registered Geo (SME) is the "qualified person" (as such term is defined by NI 43-101) responsible for the preparation of the technical information in this release.

United Bolero is listed on the TSX-Venture Exchange under the symbol UNB, as well as the Frankfurt Exchange under U7N. For more information, please visit www.unitedbolero.com or call toll-free 888-945-4770.

On behalf of the Board of Directors

"R. Bruce Duncan"

President & CEO

The TSX Venture Exchange does not accept responsibility for the adequacy

or accuracy of this release.