Barry Mainz - 31 Aug 2025 Form 4 Insider Report for BLACKBERRY Ltd (BB)

Role: Director
Signature: /s/ Fraser Deziel, Attorney-in-fact for Barry Mainz
Issuer symbol: BB
Transactions as of: 31 Aug 2025
Net transactions value: $0
Form type: 4
Filing time: 03 Sep 2025, 17:21:17 UTC
Previous filing: 02 Sep 2025
Next filing: 01 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Mainz Barry	Director	C/O BLACKBERRY LTD, 2200 UNIVERSITY AVENUE EAST, WATERLOO, ONTARIO, CANADA	/s/ Fraser Deziel, Attorney-in-fact for Barry Mainz	03 Sep 2025	0001388839

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	BB	Deferred Share Unit	Award		+34,340			34,340	31 Aug 2025	Common Shares	34,340		Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each Deferred Share Unit ("DSU") is the economic equivalent of one common share. The DSUs become payable, in cash or common shares or a combination of the two, at the discretion of BlackBerry Limited ("BlackBerry") following cessation of the reporting person's service as a director of BlackBerry.