CONSENT of AUTHOR
Michelle Stone, P.Geo., Ph.D.
34 King St. East, 9 th Floor
Canada, M5C 2X8
The British Columbia Securities Commission
The Alberta Securities Commission
The TSX Venture Exchange
RE: Quaterra Resources Inc. and Blackberry Ventures 1, LLC Technical Report September 17 th , 2010
I, Michelle Stone, P.Geo., Ph.D., do hereby consent to the public filing of the technical report, Independent
Technical Report Nieves Property, Sonora, Mexico (the “Technical Report”), prepared for Quaterra
Resources Inc. and Blackberry Ventures 1, LLC., dated the 17 th of September, 2010, and any extracts from or
summary of the Technical Report in the press release by Quaterra Resources Inc. and Blackberry Ventures 1,
LLC. on August 5 th , 2010.
I also certify that I have read the written disclosure being filed and I do not have any reason to believe that there
are any misrepresentations in the information derived from the Technical Report or that the written disclosure of
Quaterra Resources Inc. and Blackberry Ventures 1, LLC. on August 5 t h , 2010, contains any
misrepresentation of the information contained in the Technical Report.
Dated this 17 th day of
”Michelle Stone” Signed and sealed