Report of Foreign Issuer (6-k)

FORM 6-K

Securities and Exchange Commission

Washington, D.C. 20549

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16 under

the Securities Exchange Act of 1934



For the month of	December	2017
BlackBerry Limited
(Translation of registrant’s name into English)
2200 University Avenue, Waterloo, Ontario, Canada N2K 0A7
(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40F.



Form 20-F	Form 40-F	X

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

DOCUMENT INDEX



Document		Page No.
1.	BlackBerry to Announce Third Quarter Fiscal 2018 Results on December 20, 2017	1.

Document 1

NEWS RELEASE

FOR IMMEDIATE RELEASE

BlackBerry to Announce Third Quarter Fiscal 2018 Results on December 20, 2017

Waterloo, Ontario - ( December 6, 2017) - BlackBerry Limited (NYSE: BB; TSX: BB) will report results for the third quarter of fiscal 2018 at 8 a.m. ET on Wednesday, December 20, 2017. The conference can be accessed by dialing 1-844-309-0607 or live streamed on the company’s website at http://ca.blackberry.com/company/investors/events.html .

A replay of the conference call will also be available at approximately 11 a.m. ET on December 20 by dialing 1-855-859-2056 or 1-404-537-3406 and entering Conference ID #3192119. It will also be available at the link above.

# # #

About BlackBerry

BlackBerry is a cybersecurity software and services company dedicated to securing the enterprise of things. Based in Waterloo, Ontario, the company was founded in 1984 and operates in North America, Europe, Asia, Australia, Middle East, Latin America and Africa. The Company trades under the ticker symbols “BB” on the Toronto Stock Exchange and “BB” on the New York Stock Exchange. For more information, visit www.BlackBerry.com .

Investor Contact:

BlackBerry Investor Relations

519-888-7465

investor_relations@BlackBerry.com

Media Contact:

BlackBerry Media Relations

519-597-7273

mediarelations@BlackBerry.com

SIGNATURES

Pursuant to the requirement of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.