2. Discloses Lync Online and planned updates to Lync for Mac 2011 client Dates and capabilities are subject to change Packaging and licensing have not yet been disclosed Screen captures are for illustration purposes and subject to change

3. Browser Tablet Smartphone Mac PC

4. Lync is committed to supporting the Mac Goals: Coverage of key scenarios Great Mac experience Consistency with Lync on other platforms We strive for functional equivalence between Mac and Windows over time We have enhanced the Lync Web App for Mac and will update the Lync for Mac 2011 client with several releases in CY2013 We will determine development plans for a new Lync for Mac client after GA of the new Office

5. Lync Meetings Join Lync Meetings with a single click Voice PSTN calling with voice mail and other commonly used features Presence, Instant Messaging and Peer to Peer VoIP and Video Including federation with Skype (when available)

6. Photos IMAudio CallVideo Call Email Meeting Contacts Tab Personal Note View Options Lync for Mac 2011 Rich Presence ● Publish and view status ● OOF message ● Do Not Disturb ● Personal Note ● *Default Access Levels in Lync for Mac set to “Colleagues” level

7. Lync for Mac 2011 Peer-to-Peer IM ● Peer-to-Peer A/V ● File transfer ● Rich text ● Emoticons ● Spell Check ● Lync Federation ● *When available in Q1 CY13 Emoticons Font File Transfer Show/Hide Participant List Escalate to Audio Escalate to Video Share

8. Lync for Mac 2011 Corporate Address Book Lookup ● Add, remove and modify contact & lists ● Contact Card ● Upload HD Photo Via web page IM Audio Call Video Call Email Meeting Open Outlook Contact Add to Contact List Presence State

9. Lync for Mac 2011 Presence in Office apps ●* OneNote Integration n/a Conversation History ● (stored in Lync:mac) *Office Integration Presence and contact cards in Outlook Schedule Lync Meeting in Outlook Co-authoring in Word and PowerPoint Outlook for Mac Word for Mac

10. Lync for Mac 2011 Audio, video, web conferencing● Multi-party IM● Detailed meeting roster● Multi-party HD videoLync Web App PowerPoint uploadLync Web App WhiteboardLync Web App PollingLync Web App Recording Notice● Option to prefer Lync Web App for scheduled meetings ● Shared Content Roster Details

11. * Lync Web App released with Lync Server 2013 includes multi party HD video, PowerPoint upload, Whiteboard, and Polls

12. Lync for Mac 2011 VoIP and PSTN calling● Click to call a contact● Call Hold and Resume● Voice Mail Notification● Toast call deflection● Delegation (Boss functionality only) ● End Call Hold Transfer Call Mute Dial Pad *When available

13. GOAL (2H 13) Boss Functionality only Depends Full Server Update

14. Lync is committed to support the Mac Goals: Coverage of key scenarios Great Mac experience Consistency with Lync on other platforms We strive for functional equivalence between Mac and Windows over time We have enhanced the Lync Web App for Mac and will update the Lync for Mac 2011 client in Q3 of CY2013 We will determine development plans for a new Lync for Mac client after GA of the new Office

16. Presence and IM Lync and Lync online connectivity New UI, photo, status, presence Corporate directory search Lync Meetings Join Lync Meetings with a single touch Voice and Video over IP (3g/4g & Wifi) Shared Desktop view during meetings Enterprise Voice Voice and Video over IP (3g/4g & Wifi) Single-number reach Call-via-Work (PSTN callback)

17. Presence and IM Lync and Lync online connectivity New UI, photo, status, presence Corporate directory search Lync Meetings Join Lync Meetings with a single touch Voice and Video over IP (3g/4g & Wifi) View shared Lync Meeting content Enterprise Voice Voice and Video over IP (3g/4g & Wifi) Single-number reach Call-via-Work (PSTN callback) via paired number