Fairfax Financial Holdings Limited (FRFHF) SC 13D/A BLACKBERRY Ltd

EXHIBIT 8

CUSIP No.  09228F103

AGREEMENT CONCERNING JOINT FILING

OF SCHEDULE 13D

The undersigned agree as follows:

(i) each of them is individually eligible to use the Schedule 13D/A to which this Exhibit is attached, and such Schedule 13D/A is filed on behalf of each of them; and

(ii) each of them is responsible for the timely filing of such Schedule 13D/A and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other person making the filing, unless such person knows or has reason to believe that such information is inaccurate.

This Agreement may be executed in any number of counterparts, each of which shall be deemed to be an original, but all of which, taken together, shall constitute one and the same instrument.

Dated:  September 9, 2016

1

V. PREM WATSA
/s/ V. Prem Watsa
1109519 ONTARIO LIMITED
By:		/s/ V. Prem Watsa
	Name:	V. Prem Watsa
	Title:	President
THE SIXTY TWO INVESTMENT COMPANY LIMITED
By:		/s/ V. Prem Watsa
	Name:	V. Prem Watsa
	Title:	President
810679 ONTARIO LIMITED
By:		/s/ V. Prem Watsa
	Name:	V. Prem Watsa
	Title:	President

FAIRFAX FINANCIAL HOLDINGS LIMITED
By:		/s/ Paul Rivett
	Name:	Paul Rivett
	Title:	President
FFHL GROUP LTD.
By:		/s/ Paul Rivett
	Name:	Paul Rivett
	Title:	Director

ADVENT CAPITAL (HOLDINGS) LTD.
By:		/s/ Neil Murdoch Ewing
	Name:	Neil Murdoch Ewing
	Title:	Company Secretary
ADVENT CAPITAL (NO. 3) LIMITED
By:		/s/ Neil Murdoch Ewing
	Name:	Neil Murdoch Ewing
	Title:	Company Secretary

CRC REINSURANCE LIMITED
By:		/s/ Ronald Schokking
	Name:	Ronald Schokking
	Title:	Chairman

FAIRFAX (US) INC.
By:		/s/ Dorothy D. Whitaker
	Name:	Dorothy D. Whitaker
	Title:	Vice President, Treasurer, Secretary and Director
TIG HOLDINGS, INC.
By:		/s/ Dorothy D. Whitaker
	Name:	Dorothy D. Whitaker
	Title:	Chairman, President, Secretary and Director

ZENITH NATIONAL INSURANCE CORP.
By:		/s/ Michael Jansen
	Name:	Michael Jansen
	Title:	Executive Vice President, General Counsel and Director
ZENITH INSURANCE COMPANY
By:		/s/ Michael Jansen
	Name:	Michael Jansen
	Title:	Executive Vice President, General Counsel and Director

TIG INSURANCE COMPANY
By:		/s/ Nicholas C. Bentley
	Name:	Nicholas C. Bentley
	Title:	Chairman, President, Chief Executive Officer and Director
RIVERSTONE HOLDINGS LIMITED
By:		/s/ Nicholas C. Bentley
	Name:	Nicholas C. Bentley
	Title:	Managing Director
CLEARWATER INSURANCE COMPANY
By:		/s/ Nicholas C. Bentley
	Name:	Nicholas C. Bentley
	Title:	Chairman, President, Chief Executive Officer and Director
RIVERSTONE INSURANCE LIMITED
By:		/s/ Nicholas C. Bentley
	Name:	Nicholas C. Bentley
	Title:	Director

ODYSSEY US HOLDINGS INC.
By:		/s/ Jan Christiansen
	Name:	Jan Christiansen
	Title:	Executive Vice President
ODYSSEY RE HOLDINGS CORP.
By:		/s/ Jan Christiansen
	Name:	Jan Christiansen
	Title:	Executive Vice President

ODYSSEY REINSURANCE COMPANY
By:		/s/ Kirk M. Reische
	Name:	Kirk M. Reische
	Title:	Vice President
HUDSON INSURANCE COMPANY
By:		/s/ Kirk M. Reische
	Name:	Kirk M. Reische
	Title:	Vice President
CLEARWATER SELECT INSURANCE COMPANY
By:		/s/ Kirk M. Reische
	Name:	Kirk M. Reische
	Title:	Vice President

NEWLINE HOLDINGS UK LIMITED
By:		/s/ Robert B. Kastner
	Name:	Robert B. Kastner
	Title:	Director
NEWLINE INSURANCE COMPANY LIMITED
By:		/s/ Robert B. Kastner
	Name:	Robert B. Kastner
	Title:	Director
NEWLINE CORPORATE NAME LIMITED
By:		/s/ Robert B. Kastner
	Name:	Robert B. Kastner
	Title:	Director

CRUM & FORSTER HOLDINGS CORP.
By:		/s/ Paul W. Bassaline
	Name:	Paul W. Bassaline
	Title:	Senior Vice President, Chief Financial Officer, Treasurer and Director
UNITED STATES FIRE INSURANCE COMPANY
By:		/s/ Paul W. Bassaline
	Name:	Paul W. Bassaline
	Title:	Senior Vice President, Chief Financial Officer and Director
THE NORTH RIVER INSURANCE COMPANY
By:		/s/ Paul W. Bassaline
	Name:	Paul W. Bassaline
	Title:	Senior Vice President, Chief Financial Officer and Director

NORTHBRIDGE FINANCIAL CORPORATION
By:		/s/ Craig Pinnock
	Name:	Craig Pinnock
	Title:	Chief Financial Officer
FEDERATED INSURANCE COMPANY OF CANADA
By:		/s/ Craig Pinnock
	Name:	Craig Pinnock
	Title:	Chief Financial Officer and Director

NORTHBRIDGE COMMERCIAL INSURANCE CORPORATION
By:		/s/ Craig Pinnock
	Name:	Craig Pinnock
	Title:	Chief Financial Officer and Director
NORTHBRIDGE GENERAL INSURANCE CORPORATION
By:		/s/ Craig Pinnock
	Name:	Craig Pinnock
	Title:	Chief Financial Officer and Director
NORTHBRIDGE PERSONAL INSURANCE CORPORATION
By:		/s/ Craig Pinnock
	Name:	Craig Pinnock
	Title:	Chief Financial Officer and Director

ZENITH INSURANCE COMPANY, A CANADIAN ENTITY
By:		/s/ Craig Pinnock
	Name:	Craig Pinnock
	Title:	Chief Financial Officer and Director

BRIT LIMITED
By:		/s/ Mark Allan
	Name:	Mark Allan
	Title:	Chief Financial Officer and Director
BRIT INSURANCE HOLDINGS LIMITED
By:		/s/ Mark Allan
	Name:	Mark Allan
	Title:	Chief Financial Officer and Director
BRIT UW LIMITED
By:		/s/ Mark Allan
	Name:	Mark Allan
	Title:	Chief Financial Officer and Director

BRIT INSURANCE (GIBRALTAR) PCC LIMITED, IN RESPECT OF ITS PROTECTED CELL, CELL RE
By:		/s/ Mark Allan
	Name:	Mark Allan
	Title:	Director
BRIT SYNDICATES LIMITED
By:		/s/ Mark Allan
	Name:	Mark Allan
	Title:	Chief Financial Officer and Director