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BlackBerry's executive shakeup is continuing on Monday, with news from the firm that two additional executives are leaving the company while another is being replaced.

BlackBerry said Monday that chief operating officer Kristian Tear and chief marketing officer Frank Boulben are leaving the firm. Meanwhile, the current chief financial officer, Brian Bidulka, will be replaced by James Yersh, a senior vice president and controller in the compliance department. Bidulka will stick around and advise John Chen, the new CEO of BlackBerry.

"I thank Kristian and Frank for their efforts on behalf of BlackBerry," Chen said. "I look forward to working more directly with the talented teams of engineers, and the sales and marketing teams around the world to facilitate the BlackBerry turn-around and to drive innovation."

BlackBerry's shakeup has been years in the making and it's likely to continue. At first, the company put itself up for sale and it looked as though an acquisition was in the works. Suddenly, however, an announcement was made that the company would take a $1 billion investment from Fairfax Financial and continue to run independently, though under the stewardship of new CEO John Chen, who replaced Thorsten Heins. Additional layoffs are still expected as BlackBerry transitions.