1. Mitel 8528 / 8568 Telephones Overview Maureen Young Global Desktop Product Manager February 2010

2. slide 2Mitel | Confidential Mitels Digital Desktop Portfolio Demonstrates Mitels commitment to innovation and ease of use –Longstanding focus on usability Reaffirms Mitels commitment to digital phone customers –Provides a more seamless desktop migration path to next generation IP Phones Addresses the diverse needs of Small and Medium Business customers Leadership in acoustic quality Modules / Peripherals strategy increases desktop and deployment flexibility Innovation and excellence in industrial design Build on desktop features with Unified Communications applications

3. slide 3Mitel | Confidential Mitel 8528 Telephone Mid-range, digital display phone, ideal for office workers, sales and customer service departments 2 line x 16 character display 16 multi-function programmable keys with LED indicators Dual color LEDs on all Programmable Keys but not Softkeys Half duplex speakerphone Supports PKM 12 and PKM 48 units for key expansion Mitel Unified Communicator® (UC) Express and Mitel Unified Communicator® (UC) Advanced desktop applications support Refreshed plastics design: Sophisticated, sleek design same as Mitels award winning IP Desktop Same phone features as the Mitel 8520 Telephone Supported on the Mitel 5000 Communications Platform (CP) (Rel. 3.2) General Availability – December 2009 8528 Telephone

4. slide 4Mitel | Confidential 8528 Telephone Overview 16 Programmable Keys with LEDs Half Duplex Speakerphone 160 x 320 Display – Non-Backlit Narrowband Handset One Touch Telephony Function Keys Large Messaging Waiting Lamp Audio Control Keys

5. slide 5Mitel | Confidential Mitel 8568 Telephone High-end executive digital display phone 6 Line x 16 character display 8 menu-driven, context-sensitive softkeys 16 multi-function programmable keys with LED indicators Dual color LEDs on all Programmable Keys but not Softkeys Half duplex speakerphone Supports PKM 12 and PKM 48 units for key expansion UC Express and UC Advanced desktop applications support Refreshed plastics design: Sophisticated, sleek design same as Mitels award winning IP Desktop Same phone features as the Mitel 8560 Telephone Supported on 5000 CP (Rel. 3.2) General Availability – December 2009 8568 Telephone

6. slide 6Mitel | Confidential 8568 Telephone Overview 16 Programmable Keys with LEDs 8 Menu-driven Soft Keys Half Duplex Speakerphone 160 x 160 Display – Non-Backlit Narrowband Handset Audio Control Keys One Touch Telephony Function Keys Large Messaging Waiting Lamp

7. slide 7Mitel | Confidential Programmable Key Modules Support 8568 Telephone with PKM 48 8528 Telephone with PKM 12 PKM 12 and PKM 48 units are supported on both 8528 / 8568 Telephones Same PKMs are supported on the Mitel 5324 IP Phones 2 x 48 PKMs can be added for 96 additional programmable keys Ideal for small business attendants, departmental administrators, DSS / BLF functionality with LED indicators Supported on 5000 CP (Rel. 3.2)

8. slide 8Mitel | Confidential 8528 / 8568 Telephone Features / Benefits FeaturesAdvantagesBenefits New plastics, refreshed design Provides modern phone style consistent with award winning IP phone family Leverages 5000 CPs strength in digital and hybrid deployments. Dispels FUD in the channel about the future of the 5000 CP. Demonstrates Mitels commitment to the digital telephones along with the 5000 CP itself. PKM 12 and PKM 48 Support Expands button capacity for phones in both digital and IP environments Same PKMs that are also used on Mitel IP Phones. Increases the programmable button capacity of the phones. Multi-function Programmable keys Customers can easily customize their phone with access to line appearances, speed dials or features Enhanced productivity. More commonly used telephony functions at users fingertips. UC Express and UC Advanced support Users can manage and control their desktop communications simply and efficiently. Users will benefit from the productivity features like click-to-dial, caller ID pop-up, and presence indication.

9. Thank you The information conveyed in this presentation, including oral comments and written materials, is confidential and proprietary to Mitel® and is intended solely for Mitel employees and members of Mitels reseller channel. If you are not a Mitel employee or a Mitel authorizedPARTNER, you are not the intended recipient of this information and are not invited to the conference, and cannot participate in or listen to and/or view the presentation. Please delete or return any related material. Mitel will enforce its rights to protect its confidential and proprietary information, and failure to comply with the foregoing may result in legal action against you or your company. Maureen Young Product Manager, Desktop maureen_young@mitel.com